./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_label27.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 dc961fc62f24960fbef105f97d1eee66be6194c126d8d078cb5da412dc4c48ac --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 13:04:19,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 13:04:19,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 13:04:19,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 13:04:19,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 13:04:19,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 13:04:19,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 13:04:19,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 13:04:19,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 13:04:19,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 13:04:19,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 13:04:19,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 13:04:19,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 13:04:19,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 13:04:19,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 13:04:19,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 13:04:19,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 13:04:19,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 13:04:19,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 13:04:19,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 13:04:19,341 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 13:04:19,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 13:04:19,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 13:04:19,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 13:04:19,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 13:04:19,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 13:04:19,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 13:04:19,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 13:04:19,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 13:04:19,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 13:04:19,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 13:04:19,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 13:04:19,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 13:04:19,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 13:04:19,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 13:04:19,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 13:04:19,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 13:04:19,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 13:04:19,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 13:04:19,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 13:04:19,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 13:04:19,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 13:04:19,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 13:04:19,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 13:04:19,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 13:04:19,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 13:04:19,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 13:04:19,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 13:04:19,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 13:04:19,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 13:04:19,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 13:04:19,372 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 13:04:19,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 13:04:19,372 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 13:04:19,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 13:04:19,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 13:04:19,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 13:04:19,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 13:04:19,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 13:04:19,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 13:04:19,373 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 13:04:19,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 13:04:19,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 13:04:19,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 13:04:19,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 13:04:19,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 13:04:19,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 13:04:19,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 13:04:19,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 13:04:19,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 13:04:19,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 13:04:19,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 13:04:19,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 13:04:19,375 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 13:04:19,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 13:04:19,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 13:04:19,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc961fc62f24960fbef105f97d1eee66be6194c126d8d078cb5da412dc4c48ac [2022-07-13 13:04:19,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 13:04:19,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 13:04:19,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 13:04:19,593 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 13:04:19,593 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 13:04:19,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label27.c [2022-07-13 13:04:19,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36970808/e9e85da81830443daf48adb7b44bbd90/FLAG9f0ac92df [2022-07-13 13:04:20,178 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 13:04:20,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label27.c [2022-07-13 13:04:20,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36970808/e9e85da81830443daf48adb7b44bbd90/FLAG9f0ac92df [2022-07-13 13:04:20,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36970808/e9e85da81830443daf48adb7b44bbd90 [2022-07-13 13:04:20,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 13:04:20,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 13:04:20,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 13:04:20,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 13:04:20,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 13:04:20,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 01:04:20" (1/1) ... [2022-07-13 13:04:20,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e351983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:20, skipping insertion in model container [2022-07-13 13:04:20,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 01:04:20" (1/1) ... [2022-07-13 13:04:20,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 13:04:20,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 13:04:20,962 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_label27.c[4605,4618] [2022-07-13 13:04:21,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 13:04:21,238 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 13:04:21,262 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_label27.c[4605,4618] [2022-07-13 13:04:21,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 13:04:21,406 INFO L208 MainTranslator]: Completed translation [2022-07-13 13:04:21,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21 WrapperNode [2022-07-13 13:04:21,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 13:04:21,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 13:04:21,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 13:04:21,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 13:04:21,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21" (1/1) ... [2022-07-13 13:04:21,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21" (1/1) ... [2022-07-13 13:04:21,588 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-13 13:04:21,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 13:04:21,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 13:04:21,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 13:04:21,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 13:04:21,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21" (1/1) ... [2022-07-13 13:04:21,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21" (1/1) ... [2022-07-13 13:04:21,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21" (1/1) ... [2022-07-13 13:04:21,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21" (1/1) ... [2022-07-13 13:04:21,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21" (1/1) ... [2022-07-13 13:04:21,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21" (1/1) ... [2022-07-13 13:04:21,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21" (1/1) ... [2022-07-13 13:04:21,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 13:04:21,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 13:04:21,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 13:04:21,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 13:04:21,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21" (1/1) ... [2022-07-13 13:04:21,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 13:04:21,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:04:21,743 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) [2022-07-13 13:04:21,749 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 [2022-07-13 13:04:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 13:04:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 13:04:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 13:04:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 13:04:21,823 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 13:04:21,824 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 13:04:23,734 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 13:04:23,749 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 13:04:23,749 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 13:04:23,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 01:04:23 BoogieIcfgContainer [2022-07-13 13:04:23,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 13:04:23,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 13:04:23,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 13:04:23,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 13:04:23,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 01:04:20" (1/3) ... [2022-07-13 13:04:23,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d954a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 01:04:23, skipping insertion in model container [2022-07-13 13:04:23,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:21" (2/3) ... [2022-07-13 13:04:23,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d954a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 01:04:23, skipping insertion in model container [2022-07-13 13:04:23,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 01:04:23" (3/3) ... [2022-07-13 13:04:23,761 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label27.c [2022-07-13 13:04:23,774 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 13:04:23,774 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 13:04:23,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 13:04:23,839 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@64fb3e86, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5f175b4d [2022-07-13 13:04:23,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 13:04:23,853 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) [2022-07-13 13:04:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-13 13:04:23,859 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:23,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:23,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:23,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:23,866 INFO L85 PathProgramCache]: Analyzing trace with hash 2088660649, now seen corresponding path program 1 times [2022-07-13 13:04:23,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:23,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017323947] [2022-07-13 13:04:23,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:23,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:24,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:24,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017323947] [2022-07-13 13:04:24,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017323947] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:24,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:24,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:04:24,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633364905] [2022-07-13 13:04:24,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:24,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:24,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:24,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:24,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:24,088 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 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:25,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:25,752 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2022-07-13 13:04:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:25,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-07-13 13:04:25,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:25,764 INFO L225 Difference]: With dead ends: 1154 [2022-07-13 13:04:25,765 INFO L226 Difference]: Without dead ends: 665 [2022-07-13 13:04:25,768 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 [2022-07-13 13:04:25,770 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 284 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 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, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:25,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 13:04:25,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-07-13 13:04:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-07-13 13:04:25,816 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) [2022-07-13 13:04:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2022-07-13 13:04:25,819 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 37 [2022-07-13 13:04:25,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:25,819 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2022-07-13 13:04:25,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:25,820 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2022-07-13 13:04:25,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-13 13:04:25,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:25,822 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:25,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 13:04:25,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:25,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:25,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1560092623, now seen corresponding path program 1 times [2022-07-13 13:04:25,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:25,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397501832] [2022-07-13 13:04:25,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:25,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:25,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:25,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397501832] [2022-07-13 13:04:25,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397501832] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:25,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:25,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:04:25,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236213435] [2022-07-13 13:04:25,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:25,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:25,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:25,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:25,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:25,914 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:27,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:27,267 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2022-07-13 13:04:27,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:27,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-07-13 13:04:27,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:27,279 INFO L225 Difference]: With dead ends: 1624 [2022-07-13 13:04:27,279 INFO L226 Difference]: Without dead ends: 963 [2022-07-13 13:04:27,295 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 [2022-07-13 13:04:27,296 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:27,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 13:04:27,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-07-13 13:04:27,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2022-07-13 13:04:27,316 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) [2022-07-13 13:04:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2022-07-13 13:04:27,318 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 102 [2022-07-13 13:04:27,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:27,319 INFO L495 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2022-07-13 13:04:27,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:27,319 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2022-07-13 13:04:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-13 13:04:27,330 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:27,330 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:27,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 13:04:27,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:27,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:27,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1622553922, now seen corresponding path program 1 times [2022-07-13 13:04:27,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:27,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807004149] [2022-07-13 13:04:27,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:27,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:27,472 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:27,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:27,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807004149] [2022-07-13 13:04:27,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807004149] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:27,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:27,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 13:04:27,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138611472] [2022-07-13 13:04:27,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:27,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 13:04:27,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:27,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 13:04:27,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 13:04:27,476 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:29,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:29,230 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2022-07-13 13:04:29,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 13:04:29,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-07-13 13:04:29,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:29,235 INFO L225 Difference]: With dead ends: 2244 [2022-07-13 13:04:29,235 INFO L226 Difference]: Without dead ends: 1582 [2022-07-13 13:04:29,236 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 [2022-07-13 13:04:29,237 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 361 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:29,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 366 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-13 13:04:29,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-07-13 13:04:29,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2022-07-13 13:04:29,255 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) [2022-07-13 13:04:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2022-07-13 13:04:29,258 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 107 [2022-07-13 13:04:29,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:29,259 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2022-07-13 13:04:29,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2022-07-13 13:04:29,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-13 13:04:29,262 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:29,262 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:29,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 13:04:29,262 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:29,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:29,263 INFO L85 PathProgramCache]: Analyzing trace with hash 416877114, now seen corresponding path program 1 times [2022-07-13 13:04:29,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:29,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250207020] [2022-07-13 13:04:29,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:29,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:29,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:29,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250207020] [2022-07-13 13:04:29,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250207020] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:29,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:29,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:29,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703982575] [2022-07-13 13:04:29,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:29,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 13:04:29,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:29,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 13:04:29,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:04:29,416 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:31,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:31,854 INFO L93 Difference]: Finished difference Result 4670 states and 6170 transitions. [2022-07-13 13:04:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 13:04:31,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 [2022-07-13 13:04:31,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:31,863 INFO L225 Difference]: With dead ends: 4670 [2022-07-13 13:04:31,863 INFO L226 Difference]: Without dead ends: 3406 [2022-07-13 13:04:31,865 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 [2022-07-13 13:04:31,873 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 491 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 2240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:31,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 347 Invalid, 2240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-13 13:04:31,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2022-07-13 13:04:31,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381. [2022-07-13 13:04:31,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.23698224852071) internal successors, (4181), 3380 states have internal predecessors, (4181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:31,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4181 transitions. [2022-07-13 13:04:31,918 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4181 transitions. Word has length 203 [2022-07-13 13:04:31,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:31,919 INFO L495 AbstractCegarLoop]: Abstraction has 3381 states and 4181 transitions. [2022-07-13 13:04:31,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:31,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4181 transitions. [2022-07-13 13:04:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-13 13:04:31,924 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:31,924 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, 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] [2022-07-13 13:04:31,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 13:04:31,925 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:31,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:31,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1982643012, now seen corresponding path program 1 times [2022-07-13 13:04:31,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:31,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558691838] [2022-07-13 13:04:31,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:31,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:32,049 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-13 13:04:32,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:32,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558691838] [2022-07-13 13:04:32,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558691838] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:32,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:32,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:04:32,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250069990] [2022-07-13 13:04:32,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:32,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:32,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:32,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:32,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:32,052 INFO L87 Difference]: Start difference. First operand 3381 states and 4181 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:33,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:33,182 INFO L93 Difference]: Finished difference Result 8563 states and 10756 transitions. [2022-07-13 13:04:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:33,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 207 [2022-07-13 13:04:33,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:33,195 INFO L225 Difference]: With dead ends: 8563 [2022-07-13 13:04:33,196 INFO L226 Difference]: Without dead ends: 5483 [2022-07-13 13:04:33,199 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 [2022-07-13 13:04:33,200 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:33,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-13 13:04:33,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2022-07-13 13:04:33,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2022-07-13 13:04:33,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.168888077414643) internal successors, (6402), 5477 states have internal predecessors, (6402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6402 transitions. [2022-07-13 13:04:33,268 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6402 transitions. Word has length 207 [2022-07-13 13:04:33,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:33,269 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6402 transitions. [2022-07-13 13:04:33,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6402 transitions. [2022-07-13 13:04:33,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-13 13:04:33,272 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:33,272 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:33,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 13:04:33,273 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:33,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:33,273 INFO L85 PathProgramCache]: Analyzing trace with hash -611803236, now seen corresponding path program 1 times [2022-07-13 13:04:33,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:33,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603640665] [2022-07-13 13:04:33,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:33,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-07-13 13:04:33,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:33,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603640665] [2022-07-13 13:04:33,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603640665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:33,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:33,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:04:33,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288785820] [2022-07-13 13:04:33,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:33,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:33,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:33,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:33,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:33,399 INFO L87 Difference]: Start difference. First operand 5478 states and 6402 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) [2022-07-13 13:04:34,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:34,509 INFO L93 Difference]: Finished difference Result 10655 states and 12491 transitions. [2022-07-13 13:04:34,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:34,510 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 309 [2022-07-13 13:04:34,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:34,523 INFO L225 Difference]: With dead ends: 10655 [2022-07-13 13:04:34,524 INFO L226 Difference]: Without dead ends: 5478 [2022-07-13 13:04:34,529 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 [2022-07-13 13:04:34,530 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:34,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-13 13:04:34,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2022-07-13 13:04:34,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2022-07-13 13:04:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1677925871827644) internal successors, (6396), 5477 states have internal predecessors, (6396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:34,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6396 transitions. [2022-07-13 13:04:34,598 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6396 transitions. Word has length 309 [2022-07-13 13:04:34,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:34,598 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6396 transitions. [2022-07-13 13:04:34,598 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) [2022-07-13 13:04:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6396 transitions. [2022-07-13 13:04:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-07-13 13:04:34,601 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:34,602 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:34,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 13:04:34,602 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:34,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:34,603 INFO L85 PathProgramCache]: Analyzing trace with hash 17846925, now seen corresponding path program 1 times [2022-07-13 13:04:34,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:34,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649941158] [2022-07-13 13:04:34,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:34,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:34,699 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-13 13:04:34,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:34,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649941158] [2022-07-13 13:04:34,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649941158] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:34,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:34,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:34,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209906330] [2022-07-13 13:04:34,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:34,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:34,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:34,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:34,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:34,702 INFO L87 Difference]: Start difference. First operand 5478 states and 6396 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) [2022-07-13 13:04:36,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:36,382 INFO L93 Difference]: Finished difference Result 11851 states and 14153 transitions. [2022-07-13 13:04:36,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:36,383 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 324 [2022-07-13 13:04:36,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:36,400 INFO L225 Difference]: With dead ends: 11851 [2022-07-13 13:04:36,400 INFO L226 Difference]: Without dead ends: 6674 [2022-07-13 13:04:36,405 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 [2022-07-13 13:04:36,406 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 278 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 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, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:36,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 13:04:36,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-07-13 13:04:36,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 5175. [2022-07-13 13:04:36,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5175 states, 5174 states have (on average 1.1749130266718206) internal successors, (6079), 5174 states have internal predecessors, (6079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 6079 transitions. [2022-07-13 13:04:36,482 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 6079 transitions. Word has length 324 [2022-07-13 13:04:36,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:36,482 INFO L495 AbstractCegarLoop]: Abstraction has 5175 states and 6079 transitions. [2022-07-13 13:04:36,482 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) [2022-07-13 13:04:36,483 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 6079 transitions. [2022-07-13 13:04:36,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-07-13 13:04:36,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:36,487 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:36,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 13:04:36,487 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:36,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:36,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1976630, now seen corresponding path program 1 times [2022-07-13 13:04:36,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:36,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742708665] [2022-07-13 13:04:36,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:36,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-13 13:04:36,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:36,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742708665] [2022-07-13 13:04:36,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742708665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:36,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:36,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:36,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352161143] [2022-07-13 13:04:36,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:36,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:36,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:36,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:36,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:36,616 INFO L87 Difference]: Start difference. First operand 5175 states and 6079 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:37,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:37,895 INFO L93 Difference]: Finished difference Result 12151 states and 14569 transitions. [2022-07-13 13:04:37,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:37,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 383 [2022-07-13 13:04:37,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:37,915 INFO L225 Difference]: With dead ends: 12151 [2022-07-13 13:04:37,915 INFO L226 Difference]: Without dead ends: 7277 [2022-07-13 13:04:37,921 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 [2022-07-13 13:04:37,921 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 291 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:37,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 13:04:37,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7277 states. [2022-07-13 13:04:37,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7277 to 6380. [2022-07-13 13:04:37,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6380 states, 6379 states have (on average 1.1559805612164915) internal successors, (7374), 6379 states have internal predecessors, (7374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6380 states to 6380 states and 7374 transitions. [2022-07-13 13:04:38,007 INFO L78 Accepts]: Start accepts. Automaton has 6380 states and 7374 transitions. Word has length 383 [2022-07-13 13:04:38,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:38,007 INFO L495 AbstractCegarLoop]: Abstraction has 6380 states and 7374 transitions. [2022-07-13 13:04:38,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand 6380 states and 7374 transitions. [2022-07-13 13:04:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-07-13 13:04:38,012 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:38,012 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:38,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 13:04:38,013 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:38,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:38,013 INFO L85 PathProgramCache]: Analyzing trace with hash -83367434, now seen corresponding path program 1 times [2022-07-13 13:04:38,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:38,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090752807] [2022-07-13 13:04:38,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:38,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:38,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:38,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090752807] [2022-07-13 13:04:38,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090752807] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:38,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:38,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:38,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885788397] [2022-07-13 13:04:38,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:38,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:38,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:38,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:38,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:38,166 INFO L87 Difference]: Start difference. First operand 6380 states and 7374 transitions. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:39,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:39,289 INFO L93 Difference]: Finished difference Result 12455 states and 14437 transitions. [2022-07-13 13:04:39,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:39,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 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 389 [2022-07-13 13:04:39,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:39,307 INFO L225 Difference]: With dead ends: 12455 [2022-07-13 13:04:39,307 INFO L226 Difference]: Without dead ends: 6376 [2022-07-13 13:04:39,313 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 [2022-07-13 13:04:39,315 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 314 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:39,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 144 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-13 13:04:39,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6376 states. [2022-07-13 13:04:39,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6376 to 6374. [2022-07-13 13:04:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6374 states, 6373 states have (on average 1.1402793033108427) internal successors, (7267), 6373 states have internal predecessors, (7267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6374 states to 6374 states and 7267 transitions. [2022-07-13 13:04:39,393 INFO L78 Accepts]: Start accepts. Automaton has 6374 states and 7267 transitions. Word has length 389 [2022-07-13 13:04:39,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:39,395 INFO L495 AbstractCegarLoop]: Abstraction has 6374 states and 7267 transitions. [2022-07-13 13:04:39,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:39,396 INFO L276 IsEmpty]: Start isEmpty. Operand 6374 states and 7267 transitions. [2022-07-13 13:04:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-07-13 13:04:39,400 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:39,400 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:39,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 13:04:39,400 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:39,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:39,400 INFO L85 PathProgramCache]: Analyzing trace with hash -21318461, now seen corresponding path program 1 times [2022-07-13 13:04:39,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:39,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062192472] [2022-07-13 13:04:39,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:39,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:39,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:39,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062192472] [2022-07-13 13:04:39,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062192472] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:39,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:39,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:39,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461429013] [2022-07-13 13:04:39,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:39,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:39,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:39,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:39,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:39,612 INFO L87 Difference]: Start difference. First operand 6374 states and 7267 transitions. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:41,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:41,052 INFO L93 Difference]: Finished difference Result 14552 states and 16858 transitions. [2022-07-13 13:04:41,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:41,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 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 400 [2022-07-13 13:04:41,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:41,074 INFO L225 Difference]: With dead ends: 14552 [2022-07-13 13:04:41,075 INFO L226 Difference]: Without dead ends: 8479 [2022-07-13 13:04:41,080 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 [2022-07-13 13:04:41,081 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 247 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:41,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 599 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 13:04:41,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8479 states. [2022-07-13 13:04:41,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8479 to 7579. [2022-07-13 13:04:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7579 states, 7578 states have (on average 1.1311691739245184) internal successors, (8572), 7578 states have internal predecessors, (8572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 8572 transitions. [2022-07-13 13:04:41,165 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 8572 transitions. Word has length 400 [2022-07-13 13:04:41,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:41,166 INFO L495 AbstractCegarLoop]: Abstraction has 7579 states and 8572 transitions. [2022-07-13 13:04:41,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:41,166 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 8572 transitions. [2022-07-13 13:04:41,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-13 13:04:41,169 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:41,169 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:41,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 13:04:41,170 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:41,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:41,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1517405968, now seen corresponding path program 1 times [2022-07-13 13:04:41,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:41,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129388017] [2022-07-13 13:04:41,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:41,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 35 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:41,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:41,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129388017] [2022-07-13 13:04:41,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129388017] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:04:41,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499027280] [2022-07-13 13:04:41,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:41,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:04:41,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:04:41,382 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) [2022-07-13 13:04:41,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 13:04:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:41,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 13:04:41,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:04:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-13 13:04:41,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:04:41,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499027280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:41,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:04:41,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-13 13:04:41,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868631751] [2022-07-13 13:04:41,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:41,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:41,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:41,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:41,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:41,744 INFO L87 Difference]: Start difference. First operand 7579 states and 8572 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:43,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:43,768 INFO L93 Difference]: Finished difference Result 17315 states and 19934 transitions. [2022-07-13 13:04:43,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:43,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 414 [2022-07-13 13:04:43,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:43,785 INFO L225 Difference]: With dead ends: 17315 [2022-07-13 13:04:43,785 INFO L226 Difference]: Without dead ends: 10037 [2022-07-13 13:04:43,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:43,792 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 379 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:43,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 540 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-13 13:04:43,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10037 states. [2022-07-13 13:04:43,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10037 to 10032. [2022-07-13 13:04:43,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10031 states have (on average 1.1473432359684976) internal successors, (11509), 10031 states have internal predecessors, (11509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 11509 transitions. [2022-07-13 13:04:43,897 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 11509 transitions. Word has length 414 [2022-07-13 13:04:43,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:43,897 INFO L495 AbstractCegarLoop]: Abstraction has 10032 states and 11509 transitions. [2022-07-13 13:04:43,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:43,898 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 11509 transitions. [2022-07-13 13:04:43,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-07-13 13:04:43,935 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:43,935 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:43,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 13:04:44,136 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,SelfDestructingSolverStorable10 [2022-07-13 13:04:44,136 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:44,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:44,137 INFO L85 PathProgramCache]: Analyzing trace with hash 586526144, now seen corresponding path program 1 times [2022-07-13 13:04:44,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:44,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634853436] [2022-07-13 13:04:44,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:44,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-13 13:04:44,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:44,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634853436] [2022-07-13 13:04:44,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634853436] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:44,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:44,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:44,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379308270] [2022-07-13 13:04:44,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:44,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:44,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:44,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:44,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:44,249 INFO L87 Difference]: Start difference. First operand 10032 states and 11509 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:45,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:45,519 INFO L93 Difference]: Finished difference Result 22158 states and 25858 transitions. [2022-07-13 13:04:45,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:45,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 416 [2022-07-13 13:04:45,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:45,537 INFO L225 Difference]: With dead ends: 22158 [2022-07-13 13:04:45,538 INFO L226 Difference]: Without dead ends: 12427 [2022-07-13 13:04:45,546 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 [2022-07-13 13:04:45,547 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 236 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:45,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 616 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 13:04:45,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12427 states. [2022-07-13 13:04:45,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12427 to 12423. [2022-07-13 13:04:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12423 states, 12422 states have (on average 1.1356464337465786) internal successors, (14107), 12422 states have internal predecessors, (14107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12423 states to 12423 states and 14107 transitions. [2022-07-13 13:04:45,725 INFO L78 Accepts]: Start accepts. Automaton has 12423 states and 14107 transitions. Word has length 416 [2022-07-13 13:04:45,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:45,726 INFO L495 AbstractCegarLoop]: Abstraction has 12423 states and 14107 transitions. [2022-07-13 13:04:45,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:45,726 INFO L276 IsEmpty]: Start isEmpty. Operand 12423 states and 14107 transitions. [2022-07-13 13:04:45,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2022-07-13 13:04:45,730 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:45,730 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:45,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-13 13:04:45,731 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:45,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:45,732 INFO L85 PathProgramCache]: Analyzing trace with hash 335548522, now seen corresponding path program 1 times [2022-07-13 13:04:45,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:45,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884821313] [2022-07-13 13:04:45,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:45,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-13 13:04:45,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:45,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884821313] [2022-07-13 13:04:45,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884821313] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:45,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:45,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:45,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185932367] [2022-07-13 13:04:45,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:45,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:45,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:45,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:45,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:45,875 INFO L87 Difference]: Start difference. First operand 12423 states and 14107 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:47,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:47,272 INFO L93 Difference]: Finished difference Result 32317 states and 36796 transitions. [2022-07-13 13:04:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:47,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 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 486 [2022-07-13 13:04:47,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:47,296 INFO L225 Difference]: With dead ends: 32317 [2022-07-13 13:04:47,296 INFO L226 Difference]: Without dead ends: 20195 [2022-07-13 13:04:47,310 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 [2022-07-13 13:04:47,311 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 303 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:47,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 191 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 13:04:47,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20195 states. [2022-07-13 13:04:47,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20195 to 17205. [2022-07-13 13:04:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17205 states, 17204 states have (on average 1.1342129737270403) internal successors, (19513), 17204 states have internal predecessors, (19513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17205 states to 17205 states and 19513 transitions. [2022-07-13 13:04:47,554 INFO L78 Accepts]: Start accepts. Automaton has 17205 states and 19513 transitions. Word has length 486 [2022-07-13 13:04:47,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:47,555 INFO L495 AbstractCegarLoop]: Abstraction has 17205 states and 19513 transitions. [2022-07-13 13:04:47,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 17205 states and 19513 transitions. [2022-07-13 13:04:47,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-07-13 13:04:47,560 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:47,560 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-13 13:04:47,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-13 13:04:47,560 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:47,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:47,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1009214626, now seen corresponding path program 1 times [2022-07-13 13:04:47,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:47,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513051965] [2022-07-13 13:04:47,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:47,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:47,725 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 479 proven. 39 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-07-13 13:04:47,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:47,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513051965] [2022-07-13 13:04:47,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513051965] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:04:47,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184118061] [2022-07-13 13:04:47,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:47,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:04:47,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:04:47,728 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) [2022-07-13 13:04:47,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 13:04:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:47,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 13:04:47,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:04:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-13 13:04:48,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:04:48,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184118061] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:48,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:04:48,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-13 13:04:48,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704121809] [2022-07-13 13:04:48,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:48,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:48,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:48,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:48,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:48,034 INFO L87 Difference]: Start difference. First operand 17205 states and 19513 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:49,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:49,420 INFO L93 Difference]: Finished difference Result 36500 states and 41636 transitions. [2022-07-13 13:04:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:49,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 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 [2022-07-13 13:04:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:49,442 INFO L225 Difference]: With dead ends: 36500 [2022-07-13 13:04:49,442 INFO L226 Difference]: Without dead ends: 19596 [2022-07-13 13:04:49,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:49,454 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 380 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:49,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 445 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 13:04:49,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19596 states. [2022-07-13 13:04:49,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19596 to 14452. [2022-07-13 13:04:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14452 states, 14451 states have (on average 1.121029686526884) internal successors, (16200), 14451 states have internal predecessors, (16200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:49,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14452 states to 14452 states and 16200 transitions. [2022-07-13 13:04:49,617 INFO L78 Accepts]: Start accepts. Automaton has 14452 states and 16200 transitions. Word has length 521 [2022-07-13 13:04:49,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:49,617 INFO L495 AbstractCegarLoop]: Abstraction has 14452 states and 16200 transitions. [2022-07-13 13:04:49,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 14452 states and 16200 transitions. [2022-07-13 13:04:49,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2022-07-13 13:04:49,622 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:49,622 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-13 13:04:49,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-13 13:04:49,840 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,SelfDestructingSolverStorable13 [2022-07-13 13:04:49,840 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:49,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:49,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1014473132, now seen corresponding path program 1 times [2022-07-13 13:04:49,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:49,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355246905] [2022-07-13 13:04:49,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:49,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-07-13 13:04:50,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:50,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355246905] [2022-07-13 13:04:50,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355246905] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:50,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:50,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:50,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651197177] [2022-07-13 13:04:50,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:50,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:50,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:50,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:50,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:50,002 INFO L87 Difference]: Start difference. First operand 14452 states and 16200 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:51,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:51,452 INFO L93 Difference]: Finished difference Result 34597 states and 39098 transitions. [2022-07-13 13:04:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:51,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 525 [2022-07-13 13:04:51,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:51,474 INFO L225 Difference]: With dead ends: 34597 [2022-07-13 13:04:51,474 INFO L226 Difference]: Without dead ends: 20446 [2022-07-13 13:04:51,485 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 [2022-07-13 13:04:51,486 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:51,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 596 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1019 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 13:04:51,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20446 states. [2022-07-13 13:04:51,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20446 to 19538. [2022-07-13 13:04:51,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19538 states, 19537 states have (on average 1.1134769923734453) internal successors, (21754), 19537 states have internal predecessors, (21754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:51,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19538 states to 19538 states and 21754 transitions. [2022-07-13 13:04:51,738 INFO L78 Accepts]: Start accepts. Automaton has 19538 states and 21754 transitions. Word has length 525 [2022-07-13 13:04:51,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:51,739 INFO L495 AbstractCegarLoop]: Abstraction has 19538 states and 21754 transitions. [2022-07-13 13:04:51,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:51,739 INFO L276 IsEmpty]: Start isEmpty. Operand 19538 states and 21754 transitions. [2022-07-13 13:04:51,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-07-13 13:04:51,746 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:51,746 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:51,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-13 13:04:51,746 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:51,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:51,748 INFO L85 PathProgramCache]: Analyzing trace with hash 183879736, now seen corresponding path program 1 times [2022-07-13 13:04:51,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:51,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121206292] [2022-07-13 13:04:51,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:51,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:51,999 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 556 proven. 39 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-13 13:04:51,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:52,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121206292] [2022-07-13 13:04:52,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121206292] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:04:52,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093424769] [2022-07-13 13:04:52,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:52,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:04:52,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:04:52,001 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) [2022-07-13 13:04:52,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 13:04:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:52,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 13:04:52,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:04:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 556 proven. 39 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-13 13:04:52,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 13:04:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 556 proven. 39 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-13 13:04:53,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093424769] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 13:04:53,208 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 13:04:53,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-07-13 13:04:53,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753630168] [2022-07-13 13:04:53,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 13:04:53,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 13:04:53,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:53,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 13:04:53,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-13 13:04:53,210 INFO L87 Difference]: Start difference. First operand 19538 states and 21754 transitions. Second operand has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:58,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:58,283 INFO L93 Difference]: Finished difference Result 47106 states and 52196 transitions. [2022-07-13 13:04:58,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 13:04:58,283 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 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 580 [2022-07-13 13:04:58,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:58,303 INFO L225 Difference]: With dead ends: 47106 [2022-07-13 13:04:58,303 INFO L226 Difference]: Without dead ends: 21629 [2022-07-13 13:04:58,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1169 GetRequests, 1154 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-07-13 13:04:58,316 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 3101 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 5484 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3101 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 6097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 5484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:58,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3101 Valid, 269 Invalid, 6097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 5484 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-13 13:04:58,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21629 states. [2022-07-13 13:04:58,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21629 to 17441. [2022-07-13 13:04:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.060894495412844) internal successors, (18502), 17440 states have internal predecessors, (18502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 18502 transitions. [2022-07-13 13:04:58,545 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 18502 transitions. Word has length 580 [2022-07-13 13:04:58,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:58,546 INFO L495 AbstractCegarLoop]: Abstraction has 17441 states and 18502 transitions. [2022-07-13 13:04:58,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 18502 transitions. [2022-07-13 13:04:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-07-13 13:04:58,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:58,551 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:58,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 13:04:58,765 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 [2022-07-13 13:04:58,766 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:58,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:58,766 INFO L85 PathProgramCache]: Analyzing trace with hash 820194565, now seen corresponding path program 1 times [2022-07-13 13:04:58,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:58,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117595407] [2022-07-13 13:04:58,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:58,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-07-13 13:04:58,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:58,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117595407] [2022-07-13 13:04:58,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117595407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:58,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:58,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:58,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286982193] [2022-07-13 13:04:58,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:58,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:58,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:58,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:58,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:58,937 INFO L87 Difference]: Start difference. First operand 17441 states and 18502 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:59,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:59,988 INFO L93 Difference]: Finished difference Result 38773 states and 41240 transitions. [2022-07-13 13:04:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:59,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 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 599 [2022-07-13 13:04:59,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:00,009 INFO L225 Difference]: With dead ends: 38773 [2022-07-13 13:05:00,009 INFO L226 Difference]: Without dead ends: 21334 [2022-07-13 13:05:00,022 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 [2022-07-13 13:05:00,022 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 300 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:00,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 496 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 13:05:00,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21334 states. [2022-07-13 13:05:00,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21334 to 20129. [2022-07-13 13:05:00,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20129 states, 20128 states have (on average 1.0578795707472177) internal successors, (21293), 20128 states have internal predecessors, (21293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20129 states to 20129 states and 21293 transitions. [2022-07-13 13:05:00,265 INFO L78 Accepts]: Start accepts. Automaton has 20129 states and 21293 transitions. Word has length 599 [2022-07-13 13:05:00,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:00,265 INFO L495 AbstractCegarLoop]: Abstraction has 20129 states and 21293 transitions. [2022-07-13 13:05:00,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 20129 states and 21293 transitions. [2022-07-13 13:05:00,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2022-07-13 13:05:00,270 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:00,270 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-07-13 13:05:00,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-13 13:05:00,270 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:00,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:00,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1406076379, now seen corresponding path program 1 times [2022-07-13 13:05:00,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:00,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95138633] [2022-07-13 13:05:00,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:00,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-07-13 13:05:00,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:00,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95138633] [2022-07-13 13:05:00,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95138633] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:00,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:00,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:00,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575516643] [2022-07-13 13:05:00,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:00,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:00,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:00,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:00,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:00,408 INFO L87 Difference]: Start difference. First operand 20129 states and 21293 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:01,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:01,327 INFO L93 Difference]: Finished difference Result 40254 states and 42595 transitions. [2022-07-13 13:05:01,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:01,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 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 617 [2022-07-13 13:05:01,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:01,353 INFO L225 Difference]: With dead ends: 40254 [2022-07-13 13:05:01,354 INFO L226 Difference]: Without dead ends: 20426 [2022-07-13 13:05:01,365 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 [2022-07-13 13:05:01,365 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 435 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:01,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 67 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 13:05:01,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20426 states. [2022-07-13 13:05:01,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20426 to 20127. [2022-07-13 13:05:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20127 states, 20126 states have (on average 1.0577859485242969) internal successors, (21289), 20126 states have internal predecessors, (21289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20127 states to 20127 states and 21289 transitions. [2022-07-13 13:05:01,560 INFO L78 Accepts]: Start accepts. Automaton has 20127 states and 21289 transitions. Word has length 617 [2022-07-13 13:05:01,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:01,561 INFO L495 AbstractCegarLoop]: Abstraction has 20127 states and 21289 transitions. [2022-07-13 13:05:01,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 20127 states and 21289 transitions. [2022-07-13 13:05:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2022-07-13 13:05:01,567 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:01,567 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-13 13:05:01,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-13 13:05:01,567 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:01,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:01,568 INFO L85 PathProgramCache]: Analyzing trace with hash -2029982484, now seen corresponding path program 1 times [2022-07-13 13:05:01,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:01,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400031113] [2022-07-13 13:05:01,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:01,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-07-13 13:05:01,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:01,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400031113] [2022-07-13 13:05:01,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400031113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:01,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:01,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:01,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927977277] [2022-07-13 13:05:01,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:01,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:01,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:01,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:01,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:01,816 INFO L87 Difference]: Start difference. First operand 20127 states and 21289 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) [2022-07-13 13:05:02,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:02,688 INFO L93 Difference]: Finished difference Result 40255 states and 42579 transitions. [2022-07-13 13:05:02,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:02,688 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 662 [2022-07-13 13:05:02,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:02,708 INFO L225 Difference]: With dead ends: 40255 [2022-07-13 13:05:02,708 INFO L226 Difference]: Without dead ends: 20130 [2022-07-13 13:05:02,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:02,721 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 340 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:02,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 114 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 13:05:02,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20130 states. [2022-07-13 13:05:02,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20130 to 19828. [2022-07-13 13:05:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19828 states, 19827 states have (on average 1.0499823473041812) internal successors, (20818), 19827 states have internal predecessors, (20818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19828 states to 19828 states and 20818 transitions. [2022-07-13 13:05:02,879 INFO L78 Accepts]: Start accepts. Automaton has 19828 states and 20818 transitions. Word has length 662 [2022-07-13 13:05:02,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:02,880 INFO L495 AbstractCegarLoop]: Abstraction has 19828 states and 20818 transitions. [2022-07-13 13:05:02,880 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) [2022-07-13 13:05:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 19828 states and 20818 transitions. [2022-07-13 13:05:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2022-07-13 13:05:02,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:02,886 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:02,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-13 13:05:02,886 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:02,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:02,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1434364617, now seen corresponding path program 1 times [2022-07-13 13:05:02,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:02,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596790096] [2022-07-13 13:05:02,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:02,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:03,091 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-07-13 13:05:03,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:03,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596790096] [2022-07-13 13:05:03,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596790096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:03,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:03,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 13:05:03,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455111096] [2022-07-13 13:05:03,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:03,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 13:05:03,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:03,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 13:05:03,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:05:03,095 INFO L87 Difference]: Start difference. First operand 19828 states and 20818 transitions. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:04,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:04,412 INFO L93 Difference]: Finished difference Result 42645 states and 44789 transitions. [2022-07-13 13:05:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 13:05:04,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 0 states have call successors, (0), 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 664 [2022-07-13 13:05:04,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:04,433 INFO L225 Difference]: With dead ends: 42645 [2022-07-13 13:05:04,433 INFO L226 Difference]: Without dead ends: 23118 [2022-07-13 13:05:04,446 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 [2022-07-13 13:05:04,446 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 620 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:04,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 421 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1408 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 13:05:04,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23118 states. [2022-07-13 13:05:04,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23118 to 21919. [2022-07-13 13:05:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21919 states, 21918 states have (on average 1.039967150287435) internal successors, (22794), 21918 states have internal predecessors, (22794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21919 states to 21919 states and 22794 transitions. [2022-07-13 13:05:04,640 INFO L78 Accepts]: Start accepts. Automaton has 21919 states and 22794 transitions. Word has length 664 [2022-07-13 13:05:04,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:04,640 INFO L495 AbstractCegarLoop]: Abstraction has 21919 states and 22794 transitions. [2022-07-13 13:05:04,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 21919 states and 22794 transitions. [2022-07-13 13:05:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2022-07-13 13:05:04,646 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:04,647 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:05:04,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-13 13:05:04,647 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:04,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:04,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1179229687, now seen corresponding path program 1 times [2022-07-13 13:05:04,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:04,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252638905] [2022-07-13 13:05:04,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:04,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:04,865 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-13 13:05:04,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:04,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252638905] [2022-07-13 13:05:04,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252638905] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:04,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:04,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:04,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317907696] [2022-07-13 13:05:04,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:04,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:04,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:04,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:04,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:04,868 INFO L87 Difference]: Start difference. First operand 21919 states and 22794 transitions. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:05,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:05,714 INFO L93 Difference]: Finished difference Result 46226 states and 48097 transitions. [2022-07-13 13:05:05,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:05,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 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 674 [2022-07-13 13:05:05,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:05,737 INFO L225 Difference]: With dead ends: 46226 [2022-07-13 13:05:05,737 INFO L226 Difference]: Without dead ends: 24309 [2022-07-13 13:05:05,751 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 [2022-07-13 13:05:05,751 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 212 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:05,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 526 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 13:05:05,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24309 states. [2022-07-13 13:05:05,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24309 to 23113. [2022-07-13 13:05:05,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23113 states, 23112 states have (on average 1.0358688127379716) internal successors, (23941), 23112 states have internal predecessors, (23941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23113 states to 23113 states and 23941 transitions. [2022-07-13 13:05:05,962 INFO L78 Accepts]: Start accepts. Automaton has 23113 states and 23941 transitions. Word has length 674 [2022-07-13 13:05:05,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:05,963 INFO L495 AbstractCegarLoop]: Abstraction has 23113 states and 23941 transitions. [2022-07-13 13:05:05,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:05,963 INFO L276 IsEmpty]: Start isEmpty. Operand 23113 states and 23941 transitions. [2022-07-13 13:05:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2022-07-13 13:05:05,969 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:05,969 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:05:05,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-13 13:05:05,969 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:05,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:05,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1782041418, now seen corresponding path program 1 times [2022-07-13 13:05:05,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:05,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099848086] [2022-07-13 13:05:05,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:05,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-07-13 13:05:06,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:06,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099848086] [2022-07-13 13:05:06,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099848086] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:06,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:06,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:06,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958473484] [2022-07-13 13:05:06,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:06,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:06,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:06,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:06,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:06,205 INFO L87 Difference]: Start difference. First operand 23113 states and 23941 transitions. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:07,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:07,263 INFO L93 Difference]: Finished difference Result 50730 states and 52524 transitions. [2022-07-13 13:05:07,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:07,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 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 674 [2022-07-13 13:05:07,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:07,294 INFO L225 Difference]: With dead ends: 50730 [2022-07-13 13:05:07,295 INFO L226 Difference]: Without dead ends: 27918 [2022-07-13 13:05:07,310 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 [2022-07-13 13:05:07,310 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 255 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:07,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 130 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 13:05:07,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27918 states. [2022-07-13 13:05:07,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27918 to 24309. [2022-07-13 13:05:07,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24309 states, 24308 states have (on average 1.0348856343590587) internal successors, (25156), 24308 states have internal predecessors, (25156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24309 states to 24309 states and 25156 transitions. [2022-07-13 13:05:07,548 INFO L78 Accepts]: Start accepts. Automaton has 24309 states and 25156 transitions. Word has length 674 [2022-07-13 13:05:07,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:07,548 INFO L495 AbstractCegarLoop]: Abstraction has 24309 states and 25156 transitions. [2022-07-13 13:05:07,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 24309 states and 25156 transitions. [2022-07-13 13:05:07,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2022-07-13 13:05:07,554 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:07,555 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:07,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-13 13:05:07,555 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:07,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash 2050854719, now seen corresponding path program 1 times [2022-07-13 13:05:07,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:07,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423564075] [2022-07-13 13:05:07,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:07,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-13 13:05:07,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:07,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423564075] [2022-07-13 13:05:07,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423564075] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:07,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:07,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:07,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54458656] [2022-07-13 13:05:07,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:07,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:07,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:07,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:07,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:07,720 INFO L87 Difference]: Start difference. First operand 24309 states and 25156 transitions. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:08,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:08,632 INFO L93 Difference]: Finished difference Result 53113 states and 54955 transitions. [2022-07-13 13:05:08,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:08,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 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 680 [2022-07-13 13:05:08,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:08,661 INFO L225 Difference]: With dead ends: 53113 [2022-07-13 13:05:08,661 INFO L226 Difference]: Without dead ends: 29105 [2022-07-13 13:05:08,677 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 [2022-07-13 13:05:08,677 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 216 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:08,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 472 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 13:05:08,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29105 states. [2022-07-13 13:05:08,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29105 to 24608. [2022-07-13 13:05:08,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24608 states, 24607 states have (on average 1.0347868492705328) internal successors, (25463), 24607 states have internal predecessors, (25463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24608 states to 24608 states and 25463 transitions. [2022-07-13 13:05:08,937 INFO L78 Accepts]: Start accepts. Automaton has 24608 states and 25463 transitions. Word has length 680 [2022-07-13 13:05:08,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:08,937 INFO L495 AbstractCegarLoop]: Abstraction has 24608 states and 25463 transitions. [2022-07-13 13:05:08,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 24608 states and 25463 transitions. [2022-07-13 13:05:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2022-07-13 13:05:08,943 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:08,944 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:05:08,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-13 13:05:08,944 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:08,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:08,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1817298043, now seen corresponding path program 1 times [2022-07-13 13:05:08,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:08,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103130673] [2022-07-13 13:05:08,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:08,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-07-13 13:05:09,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:09,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103130673] [2022-07-13 13:05:09,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103130673] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:09,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:09,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:09,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360391777] [2022-07-13 13:05:09,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:09,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:09,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:09,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:09,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:09,111 INFO L87 Difference]: Start difference. First operand 24608 states and 25463 transitions. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:10,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:10,170 INFO L93 Difference]: Finished difference Result 51918 states and 53696 transitions. [2022-07-13 13:05:10,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:10,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 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 720 [2022-07-13 13:05:10,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:10,194 INFO L225 Difference]: With dead ends: 51918 [2022-07-13 13:05:10,194 INFO L226 Difference]: Without dead ends: 27611 [2022-07-13 13:05:10,204 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 [2022-07-13 13:05:10,205 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 348 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:10,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 122 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 13:05:10,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27611 states. [2022-07-13 13:05:10,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27611 to 23709. [2022-07-13 13:05:10,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23709 states, 23708 states have (on average 1.0346296608739667) internal successors, (24529), 23708 states have internal predecessors, (24529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23709 states to 23709 states and 24529 transitions. [2022-07-13 13:05:10,412 INFO L78 Accepts]: Start accepts. Automaton has 23709 states and 24529 transitions. Word has length 720 [2022-07-13 13:05:10,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:10,413 INFO L495 AbstractCegarLoop]: Abstraction has 23709 states and 24529 transitions. [2022-07-13 13:05:10,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 23709 states and 24529 transitions. [2022-07-13 13:05:10,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-07-13 13:05:10,419 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:10,419 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:05:10,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-13 13:05:10,419 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:10,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:10,420 INFO L85 PathProgramCache]: Analyzing trace with hash -828076575, now seen corresponding path program 1 times [2022-07-13 13:05:10,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:10,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642391549] [2022-07-13 13:05:10,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:10,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:10,596 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2022-07-13 13:05:10,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:10,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642391549] [2022-07-13 13:05:10,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642391549] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:10,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:10,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:10,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471953915] [2022-07-13 13:05:10,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:10,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:10,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:10,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:10,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:10,598 INFO L87 Difference]: Start difference. First operand 23709 states and 24529 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) [2022-07-13 13:05:11,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:11,430 INFO L93 Difference]: Finished difference Result 48607 states and 50289 transitions. [2022-07-13 13:05:11,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:11,430 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 722 [2022-07-13 13:05:11,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:11,456 INFO L225 Difference]: With dead ends: 48607 [2022-07-13 13:05:11,456 INFO L226 Difference]: Without dead ends: 24900 [2022-07-13 13:05:11,470 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 [2022-07-13 13:05:11,470 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 307 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:11,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 160 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 13:05:11,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24900 states. [2022-07-13 13:05:11,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24900 to 23704. [2022-07-13 13:05:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23704 states, 23703 states have (on average 1.0300805805172342) internal successors, (24416), 23703 states have internal predecessors, (24416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:11,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23704 states to 23704 states and 24416 transitions. [2022-07-13 13:05:11,741 INFO L78 Accepts]: Start accepts. Automaton has 23704 states and 24416 transitions. Word has length 722 [2022-07-13 13:05:11,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:11,742 INFO L495 AbstractCegarLoop]: Abstraction has 23704 states and 24416 transitions. [2022-07-13 13:05:11,742 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) [2022-07-13 13:05:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 23704 states and 24416 transitions. [2022-07-13 13:05:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2022-07-13 13:05:11,748 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:11,748 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:05:11,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-13 13:05:11,748 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:11,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:11,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1158651664, now seen corresponding path program 1 times [2022-07-13 13:05:11,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:11,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835237310] [2022-07-13 13:05:11,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:11,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 518 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-13 13:05:11,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:11,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835237310] [2022-07-13 13:05:11,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835237310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:11,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:11,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 13:05:11,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728623636] [2022-07-13 13:05:11,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:11,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 13:05:11,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:11,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 13:05:11,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:05:11,930 INFO L87 Difference]: Start difference. First operand 23704 states and 24416 transitions. Second operand has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:13,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:13,241 INFO L93 Difference]: Finished difference Result 53703 states and 55310 transitions. [2022-07-13 13:05:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 13:05:13,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 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 724 [2022-07-13 13:05:13,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:13,271 INFO L225 Difference]: With dead ends: 53703 [2022-07-13 13:05:13,271 INFO L226 Difference]: Without dead ends: 30300 [2022-07-13 13:05:13,283 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 [2022-07-13 13:05:13,284 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 514 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:13,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 136 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-13 13:05:13,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30300 states. [2022-07-13 13:05:13,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30300 to 28503. [2022-07-13 13:05:13,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28503 states, 28502 states have (on average 1.0300329801417445) internal successors, (29358), 28502 states have internal predecessors, (29358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:13,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28503 states to 28503 states and 29358 transitions. [2022-07-13 13:05:13,671 INFO L78 Accepts]: Start accepts. Automaton has 28503 states and 29358 transitions. Word has length 724 [2022-07-13 13:05:13,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:13,672 INFO L495 AbstractCegarLoop]: Abstraction has 28503 states and 29358 transitions. [2022-07-13 13:05:13,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 28503 states and 29358 transitions. [2022-07-13 13:05:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2022-07-13 13:05:13,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:13,684 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:05:13,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-13 13:05:13,685 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:13,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:13,685 INFO L85 PathProgramCache]: Analyzing trace with hash -698909278, now seen corresponding path program 1 times [2022-07-13 13:05:13,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:13,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009404069] [2022-07-13 13:05:13,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:13,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 514 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-07-13 13:05:13,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:13,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009404069] [2022-07-13 13:05:13,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009404069] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:13,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:13,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:13,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855915703] [2022-07-13 13:05:13,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:13,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:13,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:13,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:13,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:13,917 INFO L87 Difference]: Start difference. First operand 28503 states and 29358 transitions. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:14,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:14,641 INFO L93 Difference]: Finished difference Result 44397 states and 45651 transitions. [2022-07-13 13:05:14,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:14,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 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 819 [2022-07-13 13:05:14,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:14,657 INFO L225 Difference]: With dead ends: 44397 [2022-07-13 13:05:14,657 INFO L226 Difference]: Without dead ends: 16195 [2022-07-13 13:05:14,670 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 [2022-07-13 13:05:14,671 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 312 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:14,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 403 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 13:05:14,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16195 states. [2022-07-13 13:05:14,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16195 to 13801. [2022-07-13 13:05:14,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13801 states, 13800 states have (on average 1.0230434782608695) internal successors, (14118), 13800 states have internal predecessors, (14118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13801 states to 13801 states and 14118 transitions. [2022-07-13 13:05:14,804 INFO L78 Accepts]: Start accepts. Automaton has 13801 states and 14118 transitions. Word has length 819 [2022-07-13 13:05:14,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:14,804 INFO L495 AbstractCegarLoop]: Abstraction has 13801 states and 14118 transitions. [2022-07-13 13:05:14,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 13801 states and 14118 transitions. [2022-07-13 13:05:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2022-07-13 13:05:14,815 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:14,815 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:14,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-13 13:05:14,815 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:14,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:14,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1776582564, now seen corresponding path program 1 times [2022-07-13 13:05:14,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:14,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574766026] [2022-07-13 13:05:14,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:14,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 947 proven. 0 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2022-07-13 13:05:15,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:15,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574766026] [2022-07-13 13:05:15,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574766026] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:15,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:15,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 13:05:15,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103151279] [2022-07-13 13:05:15,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:15,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 13:05:15,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:15,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 13:05:15,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:05:15,065 INFO L87 Difference]: Start difference. First operand 13801 states and 14118 transitions. Second operand has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:16,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:16,197 INFO L93 Difference]: Finished difference Result 17100 states and 17481 transitions. [2022-07-13 13:05:16,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 13:05:16,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 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 947 [2022-07-13 13:05:16,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:16,211 INFO L225 Difference]: With dead ends: 17100 [2022-07-13 13:05:16,212 INFO L226 Difference]: Without dead ends: 17098 [2022-07-13 13:05:16,214 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 [2022-07-13 13:05:16,215 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 474 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:16,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 63 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-13 13:05:16,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17098 states. [2022-07-13 13:05:16,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17098 to 11701. [2022-07-13 13:05:16,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11701 states, 11700 states have (on average 1.0231623931623932) internal successors, (11971), 11700 states have internal predecessors, (11971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11701 states to 11701 states and 11971 transitions. [2022-07-13 13:05:16,325 INFO L78 Accepts]: Start accepts. Automaton has 11701 states and 11971 transitions. Word has length 947 [2022-07-13 13:05:16,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:16,325 INFO L495 AbstractCegarLoop]: Abstraction has 11701 states and 11971 transitions. [2022-07-13 13:05:16,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:16,326 INFO L276 IsEmpty]: Start isEmpty. Operand 11701 states and 11971 transitions. [2022-07-13 13:05:16,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1034 [2022-07-13 13:05:16,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:16,337 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:16,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-13 13:05:16,337 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:16,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:16,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1310312419, now seen corresponding path program 1 times [2022-07-13 13:05:16,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:16,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586716906] [2022-07-13 13:05:16,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:16,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:16,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 35 proven. 746 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-07-13 13:05:16,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:16,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586716906] [2022-07-13 13:05:16,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586716906] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:05:16,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575952015] [2022-07-13 13:05:16,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:16,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:05:16,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:05:16,638 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) [2022-07-13 13:05:16,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 13:05:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:16,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 13:05:16,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:05:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 35 proven. 746 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-07-13 13:05:25,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 13:05:26,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 35 proven. 746 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-07-13 13:05:26,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575952015] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 13:05:26,804 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 13:05:26,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-07-13 13:05:26,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60770244] [2022-07-13 13:05:26,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 13:05:26,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 13:05:26,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:26,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 13:05:26,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-13 13:05:26,808 INFO L87 Difference]: Start difference. First operand 11701 states and 11971 transitions. Second operand has 10 states, 10 states have (on average 111.3) internal successors, (1113), 9 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:32,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:32,576 INFO L93 Difference]: Finished difference Result 18863 states and 19289 transitions. [2022-07-13 13:05:32,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-13 13:05:32,577 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 111.3) internal successors, (1113), 9 states have internal predecessors, (1113), 0 states have call successors, (0), 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 1033 [2022-07-13 13:05:32,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:32,595 INFO L225 Difference]: With dead ends: 18863 [2022-07-13 13:05:32,595 INFO L226 Difference]: Without dead ends: 18861 [2022-07-13 13:05:32,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2080 GetRequests, 2063 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-07-13 13:05:32,601 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 939 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 710 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:32,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 155 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1477 Invalid, 0 Unknown, 710 Unchecked, 1.5s Time] [2022-07-13 13:05:32,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18861 states. [2022-07-13 13:05:32,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18861 to 12337. [2022-07-13 13:05:32,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12337 states, 12336 states have (on average 1.0226977950713358) internal successors, (12616), 12336 states have internal predecessors, (12616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12337 states to 12337 states and 12616 transitions. [2022-07-13 13:05:32,757 INFO L78 Accepts]: Start accepts. Automaton has 12337 states and 12616 transitions. Word has length 1033 [2022-07-13 13:05:32,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:32,758 INFO L495 AbstractCegarLoop]: Abstraction has 12337 states and 12616 transitions. [2022-07-13 13:05:32,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 111.3) internal successors, (1113), 9 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:32,758 INFO L276 IsEmpty]: Start isEmpty. Operand 12337 states and 12616 transitions. [2022-07-13 13:05:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1258 [2022-07-13 13:05:32,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:32,773 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:32,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 13:05:32,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-13 13:05:32,974 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:32,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:32,975 INFO L85 PathProgramCache]: Analyzing trace with hash -893756140, now seen corresponding path program 1 times [2022-07-13 13:05:32,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:32,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748011827] [2022-07-13 13:05:32,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:32,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:33,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2507 backedges. 1361 proven. 770 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2022-07-13 13:05:33,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:33,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748011827] [2022-07-13 13:05:33,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748011827] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:05:33,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594682544] [2022-07-13 13:05:33,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:33,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:05:33,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:05:33,410 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) [2022-07-13 13:05:33,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 13:05:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:33,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 13:05:33,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:05:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2507 backedges. 1630 proven. 0 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2022-07-13 13:05:33,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:05:33,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594682544] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:33,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:05:33,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-13 13:05:33,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259258300] [2022-07-13 13:05:33,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:33,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:33,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:33,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:33,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-13 13:05:33,963 INFO L87 Difference]: Start difference. First operand 12337 states and 12616 transitions. Second operand has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:34,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:34,700 INFO L93 Difference]: Finished difference Result 22871 states and 23388 transitions. [2022-07-13 13:05:34,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:34,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 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 1257 [2022-07-13 13:05:34,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:34,710 INFO L225 Difference]: With dead ends: 22871 [2022-07-13 13:05:34,710 INFO L226 Difference]: Without dead ends: 10835 [2022-07-13 13:05:34,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1262 GetRequests, 1257 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-13 13:05:34,716 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 23 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:34,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 399 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 13:05:34,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10835 states. [2022-07-13 13:05:34,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10835 to 10237. [2022-07-13 13:05:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10237 states, 10236 states have (on average 1.0155334114888628) internal successors, (10395), 10236 states have internal predecessors, (10395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10237 states to 10237 states and 10395 transitions. [2022-07-13 13:05:34,812 INFO L78 Accepts]: Start accepts. Automaton has 10237 states and 10395 transitions. Word has length 1257 [2022-07-13 13:05:34,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:34,812 INFO L495 AbstractCegarLoop]: Abstraction has 10237 states and 10395 transitions. [2022-07-13 13:05:34,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:34,813 INFO L276 IsEmpty]: Start isEmpty. Operand 10237 states and 10395 transitions. [2022-07-13 13:05:34,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1333 [2022-07-13 13:05:34,828 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:34,828 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:34,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-13 13:05:35,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:05:35,035 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:35,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:35,035 INFO L85 PathProgramCache]: Analyzing trace with hash -824676844, now seen corresponding path program 1 times [2022-07-13 13:05:35,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:35,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004520092] [2022-07-13 13:05:35,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:35,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 1169 proven. 35 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-13 13:05:35,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:35,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004520092] [2022-07-13 13:05:35,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004520092] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:05:35,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346332306] [2022-07-13 13:05:35,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:35,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:05:35,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:05:35,459 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) [2022-07-13 13:05:35,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-13 13:05:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:35,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 13:05:35,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:05:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 1169 proven. 35 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-13 13:05:37,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 13:05:40,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 1169 proven. 35 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-13 13:05:40,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346332306] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 13:05:40,727 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 13:05:40,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-07-13 13:05:40,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354965054] [2022-07-13 13:05:40,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 13:05:40,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 13:05:40,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:40,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 13:05:40,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:05:40,730 INFO L87 Difference]: Start difference. First operand 10237 states and 10395 transitions. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:41,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:41,608 INFO L93 Difference]: Finished difference Result 10608 states and 10768 transitions. [2022-07-13 13:05:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 13:05:41,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 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 1332 [2022-07-13 13:05:41,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:41,609 INFO L225 Difference]: With dead ends: 10608 [2022-07-13 13:05:41,609 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 13:05:41,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2668 GetRequests, 2663 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 13:05:41,613 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 303 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:41,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 44 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 13:05:41,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 13:05:41,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 13:05:41,613 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) [2022-07-13 13:05:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 13:05:41,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1332 [2022-07-13 13:05:41,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:41,614 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 13:05:41,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 13:05:41,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 13:05:41,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 13:05:41,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-07-13 13:05:41,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:05:41,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 13:05:58,326 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,326 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,326 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,326 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,326 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,326 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,326 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-13 13:05:58,326 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-13 13:05:58,326 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,326 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,327 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,327 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-13 13:05:58,327 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,327 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,327 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,327 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,327 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,327 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-13 13:05:58,327 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,328 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,328 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-13 13:05:58,328 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-13 13:05:58,328 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,328 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,328 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,328 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,328 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-13 13:05:58,328 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,328 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-13 13:05:58,329 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-13 13:05:58,329 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,329 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,329 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-13 13:05:58,329 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-13 13:05:58,329 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,329 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,329 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,329 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,329 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,330 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-13 13:05:58,330 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,330 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,330 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,330 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,330 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,330 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,330 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-13 13:05:58,330 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,330 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,331 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,331 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,331 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,331 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,331 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-13 13:05:58,331 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,331 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,331 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,331 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,332 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,332 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,332 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-13 13:05:58,332 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,332 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,332 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,332 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,332 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-13 13:05:58,332 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-13 13:05:58,332 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,333 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,333 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,333 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,333 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-13 13:05:58,333 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,333 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,333 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,333 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,333 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,333 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,334 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-13 13:05:58,334 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,334 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-13 13:05:58,334 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-13 13:05:58,334 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-13 13:05:58,334 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-13 13:05:58,334 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,334 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,334 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,334 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,335 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,335 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,335 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,335 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,335 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-13 13:05:58,335 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 13:05:58,335 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 128) no Hoare annotation was computed. [2022-07-13 13:05:58,335 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,335 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,336 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,336 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,336 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,336 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-13 13:05:58,336 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,336 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-13 13:05:58,336 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-13 13:05:58,336 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-13 13:05:58,336 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-13 13:05:58,336 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-13 13:05:58,337 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-13 13:05:58,337 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,337 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,337 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,337 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,337 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-13 13:05:58,337 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-13 13:05:58,337 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,337 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-13 13:05:58,337 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,338 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,338 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,338 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,338 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,338 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,338 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-13 13:05:58,338 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,338 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,338 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,338 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,339 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,339 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-13 13:05:58,339 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-13 13:05:58,339 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,339 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-13 13:05:58,339 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-13 13:05:58,339 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-13 13:05:58,339 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,339 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-13 13:05:58,340 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-13 13:05:58,340 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,340 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,340 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,340 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,340 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-13 13:05:58,340 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,340 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,340 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,340 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,341 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-13 13:05:58,341 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-13 13:05:58,341 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,341 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-13 13:05:58,341 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,341 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,341 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,341 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,341 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,341 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,342 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-13 13:05:58,342 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,342 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,342 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,342 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,342 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,342 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,342 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,342 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-13 13:05:58,342 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,343 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,343 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,343 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,343 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,343 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-13 13:05:58,343 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,343 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,343 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,343 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,343 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,344 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,344 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,344 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 13:05:58,344 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,344 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-13 13:05:58,344 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-13 13:05:58,344 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,344 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,344 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-13 13:05:58,344 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,345 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,345 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,345 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,345 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,345 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-13 13:05:58,345 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,345 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,345 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,345 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,345 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,346 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-13 13:05:58,346 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,346 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,346 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,346 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,346 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-13 13:05:58,346 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-13 13:05:58,346 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,346 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,347 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,347 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,347 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,347 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-13 13:05:58,347 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-13 13:05:58,347 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,347 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-13 13:05:58,347 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-13 13:05:58,347 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,347 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,348 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,348 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,348 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,348 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-13 13:05:58,348 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-13 13:05:58,348 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-13 13:05:58,348 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-13 13:05:58,348 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,348 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,348 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,349 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-13 13:05:58,349 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-13 13:05:58,349 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,349 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,349 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,349 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,349 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,349 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,349 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-13 13:05:58,349 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-13 13:05:58,350 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-13 13:05:58,351 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-13 13:05:58,351 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-13 13:05:58,351 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,351 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,351 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,351 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,351 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse25 (+ ~a4~0 86)) (.cse9 (<= ~a29~0 43)) (.cse8 (= ~a2~0 4)) (.cse26 (+ ~a29~0 127))) (let ((.cse19 (<= (+ ~a29~0 144) 0)) (.cse20 (<= .cse26 0)) (.cse13 (= ~a2~0 1)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse28 (<= 0 (+ ~a0~0 60))) (.cse17 (<= (+ 98 ~a0~0) 0)) (.cse16 (< 43 ~a29~0)) (.cse5 (= 2 ~a2~0)) (.cse22 (<= 0 (+ ~a29~0 15))) (.cse24 (<= 0 (+ 600001 ~a0~0))) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse7 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600165))) (.cse23 (<= (+ 104 ~a0~0) 0)) (.cse0 (<= ~a29~0 41)) (.cse12 (<= 0 (+ 146 ~a0~0))) (.cse18 (not .cse8)) (.cse2 (<= 0 (+ 599998 ~a0~0))) (.cse4 (<= 5 ~a2~0)) (.cse10 (not .cse9)) (.cse15 (< 0 .cse25)) (.cse21 (< 0 (+ 600165 ~a0~0))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= (+ ~a0~0 147) 0)) (.cse11 (= 3 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse6 .cse8 .cse9 .cse7) (and .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse1 .cse12 .cse13 .cse14) (and .cse15 .cse16 .cse1 .cse17 .cse12 .cse4 .cse18) (and (or (not .cse17) (not .cse19)) .cse6 .cse11 .cse20 .cse7) (and .cse21 .cse1 .cse22 .cse3 .cse11 .cse9) (and .cse15 .cse23 .cse1 .cse22 .cse8 (<= 0 (+ 384413 ~a0~0))) (and .cse16 .cse1 .cse3 .cse13 .cse24) (and .cse22 .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse22 .cse17 .cse12) (and .cse13 (<= .cse25 0) .cse14 .cse19) (and .cse1 .cse2 .cse3 .cse13) (and (not .cse11) .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse2 .cse3) (and .cse15 .cse0 .cse1 .cse22 .cse2 .cse13 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse18 .cse14) (let ((.cse27 (+ 44 ~a0~0))) (and (<= 0 .cse26) .cse6 .cse13 (<= 0 .cse27) (<= .cse27 0) .cse20)) (and .cse6 .cse3 .cse18 .cse14) (and .cse0 .cse22 .cse6 .cse28 .cse4 .cse7) (and .cse15 .cse1 .cse17 .cse12 .cse13) (and .cse6 .cse8 .cse14) (and .cse15 .cse1 .cse2 .cse3 .cse8) (and .cse0 .cse22 .cse6 .cse28 .cse11 .cse7) (and .cse15 .cse0 .cse1 .cse22 .cse17 .cse12 .cse4 .cse18) (and (or (and .cse16 .cse5 .cse3) (and .cse15 .cse1 .cse5 .cse22 .cse3)) .cse24) (and .cse6 .cse4 .cse18 .cse10 .cse7) (and .cse15 .cse1 .cse2 .cse3 .cse4) (and .cse15 .cse1 (<= (+ ~a0~0 99) 0) .cse12 .cse11) (and .cse15 .cse23 .cse0 .cse1 .cse12 .cse4 .cse18) (and .cse1 .cse2 .cse3 .cse4 .cse10) (and .cse15 .cse21 .cse1 .cse3 .cse11)))) [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,352 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,353 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse28 (+ ~a4~0 86)) (.cse9 (<= ~a29~0 43)) (.cse8 (= ~a2~0 4)) (.cse25 (+ ~a29~0 127))) (let ((.cse20 (<= .cse25 0)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse13 (= ~a2~0 1)) (.cse19 (<= (+ ~a29~0 144) 0)) (.cse27 (<= 0 (+ ~a0~0 60))) (.cse17 (<= (+ 98 ~a0~0) 0)) (.cse16 (< 43 ~a29~0)) (.cse5 (= 2 ~a2~0)) (.cse22 (<= 0 (+ ~a29~0 15))) (.cse24 (<= 0 (+ 600001 ~a0~0))) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse7 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600165))) (.cse23 (<= (+ 104 ~a0~0) 0)) (.cse0 (<= ~a29~0 41)) (.cse12 (<= 0 (+ 146 ~a0~0))) (.cse18 (not .cse8)) (.cse2 (<= 0 (+ 599998 ~a0~0))) (.cse4 (<= 5 ~a2~0)) (.cse10 (not .cse9)) (.cse15 (< 0 .cse28)) (.cse21 (< 0 (+ 600165 ~a0~0))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= (+ ~a0~0 147) 0)) (.cse11 (= 3 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse6 .cse8 .cse9 .cse7) (and .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse1 .cse12 .cse13 .cse14) (and .cse15 .cse16 .cse1 .cse17 .cse12 .cse4 .cse18) (and (or (not .cse17) (not .cse19)) .cse6 .cse11 .cse20 .cse7) (and .cse21 .cse1 .cse22 .cse3 .cse11 .cse9) (and .cse15 .cse23 .cse1 .cse22 .cse8 (<= 0 (+ 384413 ~a0~0))) (and .cse16 .cse1 .cse3 .cse13 .cse24) (and .cse22 .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse22 .cse17 .cse12) (and .cse1 .cse2 .cse3 .cse13) (and (not .cse11) .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse2 .cse3) (and .cse15 .cse0 .cse1 .cse22 .cse2 .cse13 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse18 .cse14) (let ((.cse26 (+ 44 ~a0~0))) (and (<= 0 .cse25) .cse6 .cse13 (<= 0 .cse26) (<= .cse26 0) .cse20)) (and .cse6 .cse3 .cse18 .cse14) (and .cse0 .cse22 .cse6 .cse27 .cse4 .cse7) (and .cse15 .cse1 .cse17 .cse12 .cse13) (and .cse6 .cse8 .cse14) (and .cse15 .cse1 .cse2 .cse3 .cse8) (and .cse13 (<= .cse28 0) .cse19) (and .cse0 .cse22 .cse6 .cse27 .cse11 .cse7) (and .cse15 .cse0 .cse1 .cse22 .cse17 .cse12 .cse4 .cse18) (and (or (and .cse16 .cse5 .cse3) (and .cse15 .cse1 .cse5 .cse22 .cse3)) .cse24) (and .cse6 .cse4 .cse18 .cse10 .cse7) (and .cse15 .cse1 .cse2 .cse3 .cse4) (and .cse15 .cse1 (<= (+ ~a0~0 99) 0) .cse12 .cse11) (and .cse15 .cse23 .cse0 .cse1 .cse12 .cse4 .cse18) (and .cse1 .cse2 .cse3 .cse4 .cse10) (and .cse15 .cse21 .cse1 .cse3 .cse11)))) [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-13 13:05:58,354 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,355 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,356 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,357 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse28 (+ ~a4~0 86)) (.cse9 (<= ~a29~0 43)) (.cse8 (= ~a2~0 4)) (.cse25 (+ ~a29~0 127))) (let ((.cse20 (<= .cse25 0)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse13 (= ~a2~0 1)) (.cse19 (<= (+ ~a29~0 144) 0)) (.cse27 (<= 0 (+ ~a0~0 60))) (.cse17 (<= (+ 98 ~a0~0) 0)) (.cse16 (< 43 ~a29~0)) (.cse5 (= 2 ~a2~0)) (.cse22 (<= 0 (+ ~a29~0 15))) (.cse24 (<= 0 (+ 600001 ~a0~0))) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse7 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600165))) (.cse23 (<= (+ 104 ~a0~0) 0)) (.cse0 (<= ~a29~0 41)) (.cse12 (<= 0 (+ 146 ~a0~0))) (.cse18 (not .cse8)) (.cse2 (<= 0 (+ 599998 ~a0~0))) (.cse4 (<= 5 ~a2~0)) (.cse10 (not .cse9)) (.cse15 (< 0 .cse28)) (.cse21 (< 0 (+ 600165 ~a0~0))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= (+ ~a0~0 147) 0)) (.cse11 (= 3 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse6 .cse8 .cse9 .cse7) (and .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse1 .cse12 .cse13 .cse14) (and .cse15 .cse16 .cse1 .cse17 .cse12 .cse4 .cse18) (and (or (not .cse17) (not .cse19)) .cse6 .cse11 .cse20 .cse7) (and .cse21 .cse1 .cse22 .cse3 .cse11 .cse9) (and .cse15 .cse23 .cse1 .cse22 .cse8 (<= 0 (+ 384413 ~a0~0))) (and .cse16 .cse1 .cse3 .cse13 .cse24) (and .cse22 .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse22 .cse17 .cse12) (and .cse1 .cse2 .cse3 .cse13) (and (not .cse11) .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse2 .cse3) (and .cse15 .cse0 .cse1 .cse22 .cse2 .cse13 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse18 .cse14) (let ((.cse26 (+ 44 ~a0~0))) (and (<= 0 .cse25) .cse6 .cse13 (<= 0 .cse26) (<= .cse26 0) .cse20)) (and .cse6 .cse3 .cse18 .cse14) (and .cse0 .cse22 .cse6 .cse27 .cse4 .cse7) (and .cse15 .cse1 .cse17 .cse12 .cse13) (and .cse6 .cse8 .cse14) (and .cse15 .cse1 .cse2 .cse3 .cse8) (and .cse13 (<= .cse28 0) .cse19) (and .cse0 .cse22 .cse6 .cse27 .cse11 .cse7) (and .cse15 .cse0 .cse1 .cse22 .cse17 .cse12 .cse4 .cse18) (and (or (and .cse16 .cse5 .cse3) (and .cse15 .cse1 .cse5 .cse22 .cse3)) .cse24) (and .cse6 .cse4 .cse18 .cse10 .cse7) (and .cse15 .cse1 .cse2 .cse3 .cse4) (and .cse15 .cse1 (<= (+ ~a0~0 99) 0) .cse12 .cse11) (and .cse15 .cse23 .cse0 .cse1 .cse12 .cse4 .cse18) (and .cse1 .cse2 .cse3 .cse4 .cse10) (and .cse15 .cse21 .cse1 .cse3 .cse11)))) [2022-07-13 13:05:58,357 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-13 13:05:58,357 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-13 13:05:58,357 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,357 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,357 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,357 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,357 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,357 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-13 13:05:58,358 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,359 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,360 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,366 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,366 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-13 13:05:58,366 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-13 13:05:58,366 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,366 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-13 13:05:58,366 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,366 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:58,366 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,366 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-13 13:05:58,366 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-13 13:05:58,369 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, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:58,370 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 13:05:58,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 01:05:58 BoogieIcfgContainer [2022-07-13 13:05:58,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 13:05:58,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 13:05:58,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 13:05:58,419 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 13:05:58,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 01:04:23" (3/4) ... [2022-07-13 13:05:58,424 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 13:05:58,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-13 13:05:58,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 13:05:58,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 13:05:58,458 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 13:05:58,566 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 13:05:58,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 13:05:58,567 INFO L158 Benchmark]: Toolchain (without parser) took 97894.12ms. Allocated memory was 113.2MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 72.1MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 234.0MB. Max. memory is 16.1GB. [2022-07-13 13:05:58,567 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory was 85.9MB in the beginning and 85.9MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 13:05:58,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 733.79ms. Allocated memory was 113.2MB in the beginning and 174.1MB in the end (delta: 60.8MB). Free memory was 71.8MB in the beginning and 109.8MB in the end (delta: -38.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-07-13 13:05:58,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.15ms. Allocated memory is still 174.1MB. Free memory was 109.8MB in the beginning and 109.8MB in the end (delta: -9.4kB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2022-07-13 13:05:58,569 INFO L158 Benchmark]: Boogie Preprocessor took 128.37ms. Allocated memory is still 174.1MB. Free memory was 109.8MB in the beginning and 91.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-13 13:05:58,573 INFO L158 Benchmark]: RCFGBuilder took 2032.99ms. Allocated memory was 174.1MB in the beginning and 283.1MB in the end (delta: 109.1MB). Free memory was 91.5MB in the beginning and 184.8MB in the end (delta: -93.3MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2022-07-13 13:05:58,574 INFO L158 Benchmark]: TraceAbstraction took 94663.09ms. Allocated memory was 283.1MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 183.7MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-07-13 13:05:58,574 INFO L158 Benchmark]: Witness Printer took 147.66ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-13 13:05:58,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory was 85.9MB in the beginning and 85.9MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 733.79ms. Allocated memory was 113.2MB in the beginning and 174.1MB in the end (delta: 60.8MB). Free memory was 71.8MB in the beginning and 109.8MB in the end (delta: -38.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.15ms. Allocated memory is still 174.1MB. Free memory was 109.8MB in the beginning and 109.8MB in the end (delta: -9.4kB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.37ms. Allocated memory is still 174.1MB. Free memory was 109.8MB in the beginning and 91.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2032.99ms. Allocated memory was 174.1MB in the beginning and 283.1MB in the end (delta: 109.1MB). Free memory was 91.5MB in the beginning and 184.8MB in the end (delta: -93.3MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * TraceAbstraction took 94663.09ms. Allocated memory was 283.1MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 183.7MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 147.66ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. 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: 128]: 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: 94.6s, OverallIterations: 31, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 47.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13108 SdHoareTripleChecker+Valid, 39.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13108 mSDsluCounter, 10198 SdHoareTripleChecker+Invalid, 33.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 710 IncrementalHoareTripleChecker+Unchecked, 1307 mSDsCounter, 5153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35504 IncrementalHoareTripleChecker+Invalid, 41367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5153 mSolverCounterUnsat, 8891 mSDtfsCounter, 35504 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8200 GetRequests, 8119 SyntacticMatches, 3 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28503occurred in iteration=26, InterpolantAutomatonStates: 121, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 31 MinimizatonAttempts, 51000 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 199 NumberOfFragments, 2610 HoareAnnotationTreeSize, 4 FomulaSimplifications, 62911 FormulaSimplificationTreeSizeReduction, 7.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 169746 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 22664 NumberOfCodeBlocks, 22664 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 25569 ConstructedInterpolants, 187 QuantifiedInterpolants, 103057 SizeOfPredicates, 11 NumberOfNonLiveVariables, 6095 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 40 InterpolantComputations, 28 PerfectInterpolantSequences, 32286/35695 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: (((((((((((((((((((((((((((((((((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) || ((2 == a2 && 89 + a4 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && !(a29 <= 43)) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((((!(98 + a0 <= 0) || !(a29 + 144 <= 0)) && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((0 < 600165 + a0 && 42 + a4 <= 0) && 0 <= a29 + 15) && a0 + 147 <= 0) && 3 == a2) && a29 <= 43)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && a2 == 4) && 0 <= 384413 + a0)) || ((((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) && 0 <= 600001 + a0)) || (((0 <= a29 + 15 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 1)) || (((!(3 == a2) && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 599998 + a0) && a0 + 147 <= 0)) || ((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 1) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && a0 + 147 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 5 <= a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 4)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((43 < a29 && 2 == a2) && a0 + 147 <= 0) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 147 <= 0)) && 0 <= 600001 + a0)) || ((((89 + a4 <= 0 && 5 <= a2) && !(a2 == 4)) && !(a29 <= 43)) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 146 + a0) && 3 == a2)) || ((((((0 < a4 + 86 && 104 + a0 <= 0) && a29 <= 41) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((((0 < a4 + 86 && 0 < 600165 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) || ((2 == a2 && 89 + a4 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && !(a29 <= 43)) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((((!(98 + a0 <= 0) || !(a29 + 144 <= 0)) && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((0 < 600165 + a0 && 42 + a4 <= 0) && 0 <= a29 + 15) && a0 + 147 <= 0) && 3 == a2) && a29 <= 43)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && a2 == 4) && 0 <= 384413 + a0)) || ((((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) && 0 <= 600001 + a0)) || (((0 <= a29 + 15 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 1)) || (((!(3 == a2) && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 599998 + a0) && a0 + 147 <= 0)) || ((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 1) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && a0 + 147 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 5 <= a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 4)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((43 < a29 && 2 == a2) && a0 + 147 <= 0) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 147 <= 0)) && 0 <= 600001 + a0)) || ((((89 + a4 <= 0 && 5 <= a2) && !(a2 == 4)) && !(a29 <= 43)) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 146 + a0) && 3 == a2)) || ((((((0 < a4 + 86 && 104 + a0 <= 0) && a29 <= 41) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((((0 < a4 + 86 && 0 < 600165 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) || ((2 == a2 && 89 + a4 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && !(a29 <= 43)) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((((!(98 + a0 <= 0) || !(a29 + 144 <= 0)) && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((0 < 600165 + a0 && 42 + a4 <= 0) && 0 <= a29 + 15) && a0 + 147 <= 0) && 3 == a2) && a29 <= 43)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && a2 == 4) && 0 <= 384413 + a0)) || ((((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) && 0 <= 600001 + a0)) || (((0 <= a29 + 15 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 1)) || (((!(3 == a2) && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 599998 + a0) && a0 + 147 <= 0)) || ((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 1) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && a0 + 147 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 5 <= a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 4)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((43 < a29 && 2 == a2) && a0 + 147 <= 0) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 147 <= 0)) && 0 <= 600001 + a0)) || ((((89 + a4 <= 0 && 5 <= a2) && !(a2 == 4)) && !(a29 <= 43)) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 146 + a0) && 3 == a2)) || ((((((0 < a4 + 86 && 104 + a0 <= 0) && a29 <= 41) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((((0 < a4 + 86 && 0 < 600165 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2) RESULT: Ultimate proved your program to be correct! [2022-07-13 13:05:58,602 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