./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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/Problem11_label07.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 d275ae72fa22fefb6f99ff85ffd06b7323c3e625d2728e4b56df52786497f790 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 09:35:04,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 09:35:04,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 09:35:04,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 09:35:04,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 09:35:04,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 09:35:04,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 09:35:04,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 09:35:04,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 09:35:04,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 09:35:04,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 09:35:04,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 09:35:04,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 09:35:04,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 09:35:04,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 09:35:04,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 09:35:04,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 09:35:04,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 09:35:04,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 09:35:04,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 09:35:04,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 09:35:04,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 09:35:04,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 09:35:04,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 09:35:04,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 09:35:04,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 09:35:04,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 09:35:04,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 09:35:04,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 09:35:04,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 09:35:04,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 09:35:04,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 09:35:04,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 09:35:04,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 09:35:04,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 09:35:04,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 09:35:04,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 09:35:04,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 09:35:04,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 09:35:04,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 09:35:04,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 09:35:04,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 09:35:04,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 09:35:04,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 09:35:04,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 09:35:04,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 09:35:04,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 09:35:04,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 09:35:04,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 09:35:04,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 09:35:04,376 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 09:35:04,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 09:35:04,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 09:35:04,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 09:35:04,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 09:35:04,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 09:35:04,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 09:35:04,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 09:35:04,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 09:35:04,378 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 09:35:04,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 09:35:04,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 09:35:04,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 09:35:04,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 09:35:04,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 09:35:04,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 09:35:04,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:35:04,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 09:35:04,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 09:35:04,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 09:35:04,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 09:35:04,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 09:35:04,381 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 09:35:04,381 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 09:35:04,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 09:35:04,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 09:35:04,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d275ae72fa22fefb6f99ff85ffd06b7323c3e625d2728e4b56df52786497f790 [2021-12-15 09:35:04,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 09:35:04,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 09:35:04,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 09:35:04,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 09:35:04,607 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 09:35:04,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2021-12-15 09:35:04,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcad82a45/03cf0ad4960945d0a861054e359a177b/FLAG881b8cd77 [2021-12-15 09:35:05,122 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 09:35:05,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2021-12-15 09:35:05,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcad82a45/03cf0ad4960945d0a861054e359a177b/FLAG881b8cd77 [2021-12-15 09:35:05,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcad82a45/03cf0ad4960945d0a861054e359a177b [2021-12-15 09:35:05,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 09:35:05,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 09:35:05,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 09:35:05,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 09:35:05,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 09:35:05,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:05,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e545b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05, skipping insertion in model container [2021-12-15 09:35:05,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:05,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 09:35:05,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 09:35:05,387 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/Problem11_label07.c[3406,3419] [2021-12-15 09:35:05,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:35:05,662 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 09:35:05,689 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/Problem11_label07.c[3406,3419] [2021-12-15 09:35:05,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:35:05,846 INFO L208 MainTranslator]: Completed translation [2021-12-15 09:35:05,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05 WrapperNode [2021-12-15 09:35:05,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 09:35:05,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 09:35:05,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 09:35:05,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 09:35:05,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:05,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:05,966 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-15 09:35:05,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 09:35:05,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 09:35:05,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 09:35:05,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 09:35:05,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:05,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:05,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:05,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:06,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:06,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:06,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:06,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 09:35:06,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 09:35:06,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 09:35:06,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 09:35:06,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05" (1/1) ... [2021-12-15 09:35:06,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:35:06,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:35:06,104 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) [2021-12-15 09:35:06,123 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 [2021-12-15 09:35:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 09:35:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 09:35:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 09:35:06,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 09:35:06,218 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 09:35:06,219 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 09:35:07,338 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 09:35:07,352 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 09:35:07,352 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 09:35:07,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:35:07 BoogieIcfgContainer [2021-12-15 09:35:07,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 09:35:07,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 09:35:07,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 09:35:07,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 09:35:07,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:35:05" (1/3) ... [2021-12-15 09:35:07,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6682f8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:35:07, skipping insertion in model container [2021-12-15 09:35:07,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:05" (2/3) ... [2021-12-15 09:35:07,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6682f8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:35:07, skipping insertion in model container [2021-12-15 09:35:07,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:35:07" (3/3) ... [2021-12-15 09:35:07,361 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label07.c [2021-12-15 09:35:07,365 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 09:35:07,365 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 09:35:07,403 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 09:35:07,410 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 09:35:07,410 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 09:35:07,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:07,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-15 09:35:07,448 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:07,448 INFO L514 BasicCegarLoop]: 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] [2021-12-15 09:35:07,449 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:07,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:07,456 INFO L85 PathProgramCache]: Analyzing trace with hash -573341295, now seen corresponding path program 1 times [2021-12-15 09:35:07,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:07,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113397592] [2021-12-15 09:35:07,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:07,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:35:07,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:07,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113397592] [2021-12-15 09:35:07,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113397592] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:07,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:07,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:35:07,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850948837] [2021-12-15 09:35:07,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:07,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:07,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:07,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:07,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:07,718 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:08,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:08,746 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-12-15 09:35:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:08,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-12-15 09:35:08,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:08,762 INFO L225 Difference]: With dead ends: 776 [2021-12-15 09:35:08,762 INFO L226 Difference]: Without dead ends: 413 [2021-12-15 09:35:08,765 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:08,768 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 204 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:08,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 09:35:08,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-15 09:35:08,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-12-15 09:35:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:08,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-12-15 09:35:08,834 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 23 [2021-12-15 09:35:08,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:08,835 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-12-15 09:35:08,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:08,835 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-12-15 09:35:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-15 09:35:08,838 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:08,838 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-15 09:35:08,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 09:35:08,838 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:08,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:08,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1631989384, now seen corresponding path program 1 times [2021-12-15 09:35:08,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:08,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101118934] [2021-12-15 09:35:08,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:08,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:35:08,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:08,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101118934] [2021-12-15 09:35:08,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101118934] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:08,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:08,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:35:08,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26864486] [2021-12-15 09:35:08,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:08,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:08,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:08,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:08,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:08,949 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:09,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:09,690 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-12-15 09:35:09,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:09,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2021-12-15 09:35:09,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:09,694 INFO L225 Difference]: With dead ends: 1209 [2021-12-15 09:35:09,694 INFO L226 Difference]: Without dead ends: 800 [2021-12-15 09:35:09,696 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:09,697 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:09,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 122 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:35:09,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-15 09:35:09,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-12-15 09:35:09,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2021-12-15 09:35:09,724 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 91 [2021-12-15 09:35:09,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:09,725 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2021-12-15 09:35:09,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:09,725 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2021-12-15 09:35:09,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-15 09:35:09,728 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:09,728 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-15 09:35:09,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 09:35:09,728 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:09,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:09,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1083200579, now seen corresponding path program 1 times [2021-12-15 09:35:09,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:09,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36570704] [2021-12-15 09:35:09,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:09,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:35:09,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:09,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36570704] [2021-12-15 09:35:09,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36570704] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:09,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:09,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:09,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088707210] [2021-12-15 09:35:09,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:09,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:35:09,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:09,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:35:09,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:35:09,870 INFO L87 Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:10,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:10,988 INFO L93 Difference]: Finished difference Result 2316 states and 3092 transitions. [2021-12-15 09:35:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:35:10,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-12-15 09:35:10,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:10,995 INFO L225 Difference]: With dead ends: 2316 [2021-12-15 09:35:10,995 INFO L226 Difference]: Without dead ends: 1531 [2021-12-15 09:35:10,997 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:10,998 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 483 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:10,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 218 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-15 09:35:11,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2021-12-15 09:35:11,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1528. [2021-12-15 09:35:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.2501637197118534) internal successors, (1909), 1527 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1909 transitions. [2021-12-15 09:35:11,031 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1909 transitions. Word has length 93 [2021-12-15 09:35:11,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:11,032 INFO L470 AbstractCegarLoop]: Abstraction has 1528 states and 1909 transitions. [2021-12-15 09:35:11,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1909 transitions. [2021-12-15 09:35:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-15 09:35:11,035 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:11,036 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-15 09:35:11,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 09:35:11,036 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:11,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:11,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1947284404, now seen corresponding path program 1 times [2021-12-15 09:35:11,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:11,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491286688] [2021-12-15 09:35:11,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:11,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-15 09:35:11,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:11,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491286688] [2021-12-15 09:35:11,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491286688] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:11,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:11,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:35:11,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569560747] [2021-12-15 09:35:11,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:11,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:11,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:11,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:11,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:11,175 INFO L87 Difference]: Start difference. First operand 1528 states and 1909 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:11,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:11,866 INFO L93 Difference]: Finished difference Result 3431 states and 4425 transitions. [2021-12-15 09:35:11,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:11,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 135 [2021-12-15 09:35:11,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:11,873 INFO L225 Difference]: With dead ends: 3431 [2021-12-15 09:35:11,873 INFO L226 Difference]: Without dead ends: 2089 [2021-12-15 09:35:11,875 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:11,876 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:11,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 157 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:35:11,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2021-12-15 09:35:11,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2021-12-15 09:35:11,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.2270114942528736) internal successors, (2562), 2088 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:11,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2562 transitions. [2021-12-15 09:35:11,937 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2562 transitions. Word has length 135 [2021-12-15 09:35:11,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:11,938 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 2562 transitions. [2021-12-15 09:35:11,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:11,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2562 transitions. [2021-12-15 09:35:11,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-15 09:35:11,940 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:11,940 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-15 09:35:11,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 09:35:11,941 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:11,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:11,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1119260003, now seen corresponding path program 1 times [2021-12-15 09:35:11,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:11,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547975370] [2021-12-15 09:35:11,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:11,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:35:12,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:12,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547975370] [2021-12-15 09:35:12,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547975370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:12,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:12,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:12,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667499855] [2021-12-15 09:35:12,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:12,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:12,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:12,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:12,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:12,018 INFO L87 Difference]: Start difference. First operand 2089 states and 2562 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:12,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:12,674 INFO L93 Difference]: Finished difference Result 5130 states and 6431 transitions. [2021-12-15 09:35:12,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:12,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2021-12-15 09:35:12,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:12,685 INFO L225 Difference]: With dead ends: 5130 [2021-12-15 09:35:12,685 INFO L226 Difference]: Without dead ends: 3227 [2021-12-15 09:35:12,688 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:12,688 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 212 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:12,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 321 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:35:12,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3227 states. [2021-12-15 09:35:12,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3227 to 3224. [2021-12-15 09:35:12,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3224 states, 3223 states have (on average 1.2249457027614024) internal successors, (3948), 3223 states have internal predecessors, (3948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:12,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 3224 states and 3948 transitions. [2021-12-15 09:35:12,747 INFO L78 Accepts]: Start accepts. Automaton has 3224 states and 3948 transitions. Word has length 150 [2021-12-15 09:35:12,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:12,748 INFO L470 AbstractCegarLoop]: Abstraction has 3224 states and 3948 transitions. [2021-12-15 09:35:12,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 3948 transitions. [2021-12-15 09:35:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-12-15 09:35:12,757 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:12,757 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:12,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 09:35:12,760 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:12,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:12,762 INFO L85 PathProgramCache]: Analyzing trace with hash -41328736, now seen corresponding path program 1 times [2021-12-15 09:35:12,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:12,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512556231] [2021-12-15 09:35:12,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:12,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:12,869 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-15 09:35:12,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:12,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512556231] [2021-12-15 09:35:12,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512556231] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:12,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:12,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:12,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624470918] [2021-12-15 09:35:12,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:12,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:12,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:12,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:12,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:12,872 INFO L87 Difference]: Start difference. First operand 3224 states and 3948 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:13,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:13,578 INFO L93 Difference]: Finished difference Result 7750 states and 9607 transitions. [2021-12-15 09:35:13,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:13,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 205 [2021-12-15 09:35:13,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:13,593 INFO L225 Difference]: With dead ends: 7750 [2021-12-15 09:35:13,593 INFO L226 Difference]: Without dead ends: 4712 [2021-12-15 09:35:13,598 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:13,599 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 174 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:13,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 392 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:35:13,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4712 states. [2021-12-15 09:35:13,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4712 to 4697. [2021-12-15 09:35:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4697 states, 4696 states have (on average 1.1914395229982964) internal successors, (5595), 4696 states have internal predecessors, (5595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:13,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4697 states and 5595 transitions. [2021-12-15 09:35:13,677 INFO L78 Accepts]: Start accepts. Automaton has 4697 states and 5595 transitions. Word has length 205 [2021-12-15 09:35:13,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:13,677 INFO L470 AbstractCegarLoop]: Abstraction has 4697 states and 5595 transitions. [2021-12-15 09:35:13,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 5595 transitions. [2021-12-15 09:35:13,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-15 09:35:13,680 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:13,680 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:13,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 09:35:13,681 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:13,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:13,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1687662639, now seen corresponding path program 1 times [2021-12-15 09:35:13,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:13,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878891259] [2021-12-15 09:35:13,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:13,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-15 09:35:13,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:13,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878891259] [2021-12-15 09:35:13,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878891259] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:35:13,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268543183] [2021-12-15 09:35:13,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:13,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:35:13,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:35:13,839 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) [2021-12-15 09:35:13,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 09:35:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:13,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:35:13,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:35:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-15 09:35:14,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:35:14,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268543183] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:14,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:35:14,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-15 09:35:14,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497892887] [2021-12-15 09:35:14,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:14,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:14,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:14,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:14,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:35:14,340 INFO L87 Difference]: Start difference. First operand 4697 states and 5595 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:15,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:15,146 INFO L93 Difference]: Finished difference Result 10324 states and 12467 transitions. [2021-12-15 09:35:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:15,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 211 [2021-12-15 09:35:15,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:15,164 INFO L225 Difference]: With dead ends: 10324 [2021-12-15 09:35:15,165 INFO L226 Difference]: Without dead ends: 5813 [2021-12-15 09:35:15,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:35:15,171 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 173 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:15,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 09:35:15,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5813 states. [2021-12-15 09:35:15,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5813 to 5618. [2021-12-15 09:35:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5618 states, 5617 states have (on average 1.1865764643047891) internal successors, (6665), 5617 states have internal predecessors, (6665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:15,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5618 states to 5618 states and 6665 transitions. [2021-12-15 09:35:15,280 INFO L78 Accepts]: Start accepts. Automaton has 5618 states and 6665 transitions. Word has length 211 [2021-12-15 09:35:15,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:15,280 INFO L470 AbstractCegarLoop]: Abstraction has 5618 states and 6665 transitions. [2021-12-15 09:35:15,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 5618 states and 6665 transitions. [2021-12-15 09:35:15,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-15 09:35:15,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:15,286 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:15,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 09:35:15,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:35:15,499 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:15,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:15,500 INFO L85 PathProgramCache]: Analyzing trace with hash 886593799, now seen corresponding path program 1 times [2021-12-15 09:35:15,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:15,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963835619] [2021-12-15 09:35:15,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:15,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-15 09:35:15,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:15,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963835619] [2021-12-15 09:35:15,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963835619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:15,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:15,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:15,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000851712] [2021-12-15 09:35:15,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:15,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:15,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:15,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:15,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:15,642 INFO L87 Difference]: Start difference. First operand 5618 states and 6665 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:16,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:16,357 INFO L93 Difference]: Finished difference Result 11070 states and 13173 transitions. [2021-12-15 09:35:16,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:16,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 282 [2021-12-15 09:35:16,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:16,374 INFO L225 Difference]: With dead ends: 11070 [2021-12-15 09:35:16,374 INFO L226 Difference]: Without dead ends: 5638 [2021-12-15 09:35:16,379 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:16,381 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 137 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:16,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 335 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:35:16,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5638 states. [2021-12-15 09:35:16,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5638 to 5434. [2021-12-15 09:35:16,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5434 states, 5433 states have (on average 1.1531382293392232) internal successors, (6265), 5433 states have internal predecessors, (6265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:16,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5434 states to 5434 states and 6265 transitions. [2021-12-15 09:35:16,466 INFO L78 Accepts]: Start accepts. Automaton has 5434 states and 6265 transitions. Word has length 282 [2021-12-15 09:35:16,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:16,467 INFO L470 AbstractCegarLoop]: Abstraction has 5434 states and 6265 transitions. [2021-12-15 09:35:16,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:16,467 INFO L276 IsEmpty]: Start isEmpty. Operand 5434 states and 6265 transitions. [2021-12-15 09:35:16,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-12-15 09:35:16,472 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:16,472 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:16,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 09:35:16,472 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:16,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:16,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1199418419, now seen corresponding path program 1 times [2021-12-15 09:35:16,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:16,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29510331] [2021-12-15 09:35:16,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:16,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-15 09:35:16,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:16,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29510331] [2021-12-15 09:35:16,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29510331] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:16,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:16,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:16,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774785894] [2021-12-15 09:35:16,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:16,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:16,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:16,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:16,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:16,590 INFO L87 Difference]: Start difference. First operand 5434 states and 6265 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:17,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:17,212 INFO L93 Difference]: Finished difference Result 10280 states and 11867 transitions. [2021-12-15 09:35:17,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:17,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2021-12-15 09:35:17,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:17,240 INFO L225 Difference]: With dead ends: 10280 [2021-12-15 09:35:17,240 INFO L226 Difference]: Without dead ends: 4848 [2021-12-15 09:35:17,279 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:17,280 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 161 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:17,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 151 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:35:17,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4848 states. [2021-12-15 09:35:17,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4848 to 4478. [2021-12-15 09:35:17,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4478 states, 4477 states have (on average 1.1177127540763905) internal successors, (5004), 4477 states have internal predecessors, (5004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4478 states to 4478 states and 5004 transitions. [2021-12-15 09:35:17,369 INFO L78 Accepts]: Start accepts. Automaton has 4478 states and 5004 transitions. Word has length 283 [2021-12-15 09:35:17,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:17,370 INFO L470 AbstractCegarLoop]: Abstraction has 4478 states and 5004 transitions. [2021-12-15 09:35:17,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 4478 states and 5004 transitions. [2021-12-15 09:35:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-12-15 09:35:17,376 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:17,376 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:17,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 09:35:17,376 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:17,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:17,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1173523924, now seen corresponding path program 1 times [2021-12-15 09:35:17,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:17,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450809246] [2021-12-15 09:35:17,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:17,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:17,488 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-12-15 09:35:17,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:17,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450809246] [2021-12-15 09:35:17,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450809246] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:17,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:17,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:17,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083442655] [2021-12-15 09:35:17,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:17,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:17,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:17,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:17,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:17,491 INFO L87 Difference]: Start difference. First operand 4478 states and 5004 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:18,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:18,091 INFO L93 Difference]: Finished difference Result 9873 states and 11034 transitions. [2021-12-15 09:35:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:18,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 288 [2021-12-15 09:35:18,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:18,104 INFO L225 Difference]: With dead ends: 9873 [2021-12-15 09:35:18,104 INFO L226 Difference]: Without dead ends: 5397 [2021-12-15 09:35:18,108 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:18,109 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 199 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:18,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 146 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:35:18,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5397 states. [2021-12-15 09:35:18,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5397 to 3552. [2021-12-15 09:35:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3552 states, 3551 states have (on average 1.1225007040270347) internal successors, (3986), 3551 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3552 states and 3986 transitions. [2021-12-15 09:35:18,175 INFO L78 Accepts]: Start accepts. Automaton has 3552 states and 3986 transitions. Word has length 288 [2021-12-15 09:35:18,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:18,176 INFO L470 AbstractCegarLoop]: Abstraction has 3552 states and 3986 transitions. [2021-12-15 09:35:18,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3552 states and 3986 transitions. [2021-12-15 09:35:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-12-15 09:35:18,181 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:18,182 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:18,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 09:35:18,183 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:18,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:18,183 INFO L85 PathProgramCache]: Analyzing trace with hash -625671799, now seen corresponding path program 1 times [2021-12-15 09:35:18,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:18,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673603990] [2021-12-15 09:35:18,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:18,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:35:18,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:18,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673603990] [2021-12-15 09:35:18,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673603990] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:18,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:18,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 09:35:18,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305074211] [2021-12-15 09:35:18,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:18,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:35:18,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:18,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:35:18,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:35:18,338 INFO L87 Difference]: Start difference. First operand 3552 states and 3986 transitions. Second operand has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:19,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:19,468 INFO L93 Difference]: Finished difference Result 9319 states and 10516 transitions. [2021-12-15 09:35:19,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:35:19,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 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 328 [2021-12-15 09:35:19,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:19,477 INFO L225 Difference]: With dead ends: 9319 [2021-12-15 09:35:19,478 INFO L226 Difference]: Without dead ends: 5769 [2021-12-15 09:35:19,481 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:19,481 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 276 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:19,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 67 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-15 09:35:19,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5769 states. [2021-12-15 09:35:19,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5769 to 4288. [2021-12-15 09:35:19,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4288 states, 4287 states have (on average 1.1238628411476557) internal successors, (4818), 4287 states have internal predecessors, (4818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4288 states to 4288 states and 4818 transitions. [2021-12-15 09:35:19,540 INFO L78 Accepts]: Start accepts. Automaton has 4288 states and 4818 transitions. Word has length 328 [2021-12-15 09:35:19,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:19,541 INFO L470 AbstractCegarLoop]: Abstraction has 4288 states and 4818 transitions. [2021-12-15 09:35:19,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:19,541 INFO L276 IsEmpty]: Start isEmpty. Operand 4288 states and 4818 transitions. [2021-12-15 09:35:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2021-12-15 09:35:19,550 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:19,550 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 09:35:19,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 09:35:19,551 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:19,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:19,552 INFO L85 PathProgramCache]: Analyzing trace with hash 489054109, now seen corresponding path program 1 times [2021-12-15 09:35:19,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:19,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228505058] [2021-12-15 09:35:19,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:19,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:19,718 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-15 09:35:19,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:19,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228505058] [2021-12-15 09:35:19,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228505058] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:19,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:19,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 09:35:19,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741778133] [2021-12-15 09:35:19,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:19,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:35:19,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:19,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:35:19,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:35:19,721 INFO L87 Difference]: Start difference. First operand 4288 states and 4818 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:20,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:20,748 INFO L93 Difference]: Finished difference Result 9864 states and 11070 transitions. [2021-12-15 09:35:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:35:20,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 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 402 [2021-12-15 09:35:20,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:20,756 INFO L225 Difference]: With dead ends: 9864 [2021-12-15 09:35:20,756 INFO L226 Difference]: Without dead ends: 5578 [2021-12-15 09:35:20,759 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:20,760 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 267 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:20,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 67 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 09:35:20,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5578 states. [2021-12-15 09:35:20,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5578 to 4288. [2021-12-15 09:35:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4288 states, 4287 states have (on average 1.1238628411476557) internal successors, (4818), 4287 states have internal predecessors, (4818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4288 states to 4288 states and 4818 transitions. [2021-12-15 09:35:20,808 INFO L78 Accepts]: Start accepts. Automaton has 4288 states and 4818 transitions. Word has length 402 [2021-12-15 09:35:20,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:20,809 INFO L470 AbstractCegarLoop]: Abstraction has 4288 states and 4818 transitions. [2021-12-15 09:35:20,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4288 states and 4818 transitions. [2021-12-15 09:35:20,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2021-12-15 09:35:20,824 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:20,825 INFO L514 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-15 09:35:20,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-15 09:35:20,825 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:20,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:20,826 INFO L85 PathProgramCache]: Analyzing trace with hash -2101810945, now seen corresponding path program 1 times [2021-12-15 09:35:20,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:20,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363998345] [2021-12-15 09:35:20,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:20,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1153 backedges. 814 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-12-15 09:35:21,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:21,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363998345] [2021-12-15 09:35:21,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363998345] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:21,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:21,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:21,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463904872] [2021-12-15 09:35:21,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:21,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:35:21,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:21,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:35:21,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:35:21,041 INFO L87 Difference]: Start difference. First operand 4288 states and 4818 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:22,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:22,119 INFO L93 Difference]: Finished difference Result 13379 states and 15052 transitions. [2021-12-15 09:35:22,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:35:22,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 653 [2021-12-15 09:35:22,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:22,133 INFO L225 Difference]: With dead ends: 13379 [2021-12-15 09:35:22,134 INFO L226 Difference]: Without dead ends: 9093 [2021-12-15 09:35:22,137 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:22,138 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 252 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:22,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 76 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 09:35:22,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9093 states. [2021-12-15 09:35:22,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 8171. [2021-12-15 09:35:22,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 8170 states have (on average 1.1140758873929009) internal successors, (9102), 8170 states have internal predecessors, (9102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:22,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 9102 transitions. [2021-12-15 09:35:22,244 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 9102 transitions. Word has length 653 [2021-12-15 09:35:22,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:22,244 INFO L470 AbstractCegarLoop]: Abstraction has 8171 states and 9102 transitions. [2021-12-15 09:35:22,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 9102 transitions. [2021-12-15 09:35:22,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2021-12-15 09:35:22,276 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:22,277 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:22,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-15 09:35:22,277 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:22,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:22,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1563649715, now seen corresponding path program 1 times [2021-12-15 09:35:22,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:22,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589837864] [2021-12-15 09:35:22,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:22,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1529 backedges. 916 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2021-12-15 09:35:22,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:22,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589837864] [2021-12-15 09:35:22,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589837864] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:22,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:22,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:22,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132515235] [2021-12-15 09:35:22,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:22,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:22,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:22,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:22,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:22,499 INFO L87 Difference]: Start difference. First operand 8171 states and 9102 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:23,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:23,206 INFO L93 Difference]: Finished difference Result 18548 states and 20698 transitions. [2021-12-15 09:35:23,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:23,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 721 [2021-12-15 09:35:23,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:23,220 INFO L225 Difference]: With dead ends: 18548 [2021-12-15 09:35:23,220 INFO L226 Difference]: Without dead ends: 9457 [2021-12-15 09:35:23,228 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:23,228 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 196 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:23,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 362 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:35:23,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9457 states. [2021-12-15 09:35:23,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9457 to 9273. [2021-12-15 09:35:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9273 states, 9272 states have (on average 1.0960957722174287) internal successors, (10163), 9272 states have internal predecessors, (10163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:23,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9273 states to 9273 states and 10163 transitions. [2021-12-15 09:35:23,331 INFO L78 Accepts]: Start accepts. Automaton has 9273 states and 10163 transitions. Word has length 721 [2021-12-15 09:35:23,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:23,332 INFO L470 AbstractCegarLoop]: Abstraction has 9273 states and 10163 transitions. [2021-12-15 09:35:23,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand 9273 states and 10163 transitions. [2021-12-15 09:35:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2021-12-15 09:35:23,348 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:23,349 INFO L514 BasicCegarLoop]: trace histogram [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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:23,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-15 09:35:23,349 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:23,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:23,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1014852108, now seen corresponding path program 1 times [2021-12-15 09:35:23,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:23,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094204381] [2021-12-15 09:35:23,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:23,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 1385 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2021-12-15 09:35:23,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:23,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094204381] [2021-12-15 09:35:23,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094204381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:23,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:23,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:23,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410363601] [2021-12-15 09:35:23,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:23,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:23,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:23,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:23,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:23,673 INFO L87 Difference]: Start difference. First operand 9273 states and 10163 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:24,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:24,282 INFO L93 Difference]: Finished difference Result 19277 states and 21090 transitions. [2021-12-15 09:35:24,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:24,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 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 821 [2021-12-15 09:35:24,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:24,283 INFO L225 Difference]: With dead ends: 19277 [2021-12-15 09:35:24,283 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 09:35:24,292 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:35:24,292 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 64 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:24,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 325 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:35:24,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 09:35:24,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 09:35:24,294 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) [2021-12-15 09:35:24,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 09:35:24,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 821 [2021-12-15 09:35:24,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:24,294 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 09:35:24,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 09:35:24,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 09:35:24,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 09:35:24,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-15 09:35:24,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 09:35:26,266 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-15 09:35:26,266 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,266 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-15 09:35:26,267 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,267 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,267 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,267 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,267 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,267 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,267 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-15 09:35:26,268 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-15 09:35:26,268 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-15 09:35:26,268 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,268 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,268 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,268 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,268 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,269 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,269 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,269 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,269 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,269 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,269 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-15 09:35:26,269 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-15 09:35:26,270 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-15 09:35:26,270 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,270 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-15 09:35:26,270 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-15 09:35:26,270 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,270 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,270 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,270 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,271 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,271 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,271 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-15 09:35:26,271 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-15 09:35:26,271 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-15 09:35:26,271 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,271 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,271 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,271 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse6 (+ ~a23~0 43)) (.cse2 (<= ~a23~0 138)) (.cse3 (<= ~a29~0 599998)) (.cse5 (= 11 ~a25~0)) (.cse0 (= 0 ~a4~0)) (.cse1 (<= (+ ~a29~0 22) 0)) (.cse7 (<= ~a25~0 10)) (.cse4 (= ~a4~0 1)) (.cse8 (<= ~a29~0 599999))) (or (and .cse0 .cse1 .cse2) (and .cse3 (<= 307 ~a23~0) .cse4) (and .cse0 .cse5 (<= ~a23~0 312) .cse3) (and .cse0 .cse3 (<= .cse6 0)) (and .cse2 (< 0 .cse6) .cse7 .cse4) (and .cse0 .cse3 (= ~a25~0 12)) (and .cse0 .cse3 .cse2 .cse7) (and .cse3 (<= 13 ~a25~0) .cse4) (and .cse5 .cse4 .cse8) (and .cse0 .cse1 .cse7 (not (= ~a25~0 9))) (and (<= ~a29~0 130) .cse4) (and .cse7 .cse4 .cse8))) [2021-12-15 09:35:26,271 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,272 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-15 09:35:26,272 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-15 09:35:26,272 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,272 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,272 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,272 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,272 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,272 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,272 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-15 09:35:26,272 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-15 09:35:26,272 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-15 09:35:26,273 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-15 09:35:26,273 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,273 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,273 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,273 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,273 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,273 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,273 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,273 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-15 09:35:26,274 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-15 09:35:26,274 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-15 09:35:26,274 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,274 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,274 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,274 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,274 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,275 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,275 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,275 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,275 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,275 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-15 09:35:26,275 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-15 09:35:26,275 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-15 09:35:26,276 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,276 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse6 (+ ~a23~0 43)) (.cse2 (<= ~a23~0 138)) (.cse3 (<= ~a29~0 599998)) (.cse5 (= 11 ~a25~0)) (.cse0 (= 0 ~a4~0)) (.cse1 (<= (+ ~a29~0 22) 0)) (.cse7 (<= ~a25~0 10)) (.cse4 (= ~a4~0 1)) (.cse8 (<= ~a29~0 599999))) (or (and .cse0 .cse1 .cse2) (and .cse3 (<= 307 ~a23~0) .cse4) (and .cse0 .cse5 (<= ~a23~0 312) .cse3) (and .cse0 .cse3 (<= .cse6 0)) (and .cse2 (< 0 .cse6) .cse7 .cse4) (and .cse0 .cse3 (= ~a25~0 12)) (and .cse0 .cse3 .cse2 .cse7) (and .cse3 (<= 13 ~a25~0) .cse4) (and .cse5 .cse4 .cse8) (and .cse0 .cse1 .cse7 (not (= ~a25~0 9))) (and (<= ~a29~0 130) .cse4) (and .cse7 .cse4 .cse8))) [2021-12-15 09:35:26,276 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,276 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,276 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,276 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,276 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,276 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,277 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,277 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,277 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-15 09:35:26,277 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-15 09:35:26,278 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-15 09:35:26,278 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-15 09:35:26,278 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-15 09:35:26,278 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-15 09:35:26,278 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-15 09:35:26,278 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,279 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,280 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,280 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,281 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,281 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,282 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,282 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,282 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,282 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-15 09:35:26,284 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-15 09:35:26,285 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-15 09:35:26,286 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,286 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,286 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-15 09:35:26,286 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-15 09:35:26,286 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-15 09:35:26,286 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 09:35:26,286 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2021-12-15 09:35:26,286 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,286 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-15 09:35:26,287 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,288 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-15 09:35:26,289 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,290 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-15 09:35:26,295 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-15 09:35:26,295 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-15 09:35:26,295 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-15 09:35:26,295 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-15 09:35:26,296 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,296 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,296 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,296 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,296 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,296 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,296 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,297 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-15 09:35:26,297 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-15 09:35:26,297 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-15 09:35:26,297 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,297 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,297 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,297 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-15 09:35:26,297 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-15 09:35:26,298 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,298 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,298 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,298 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,298 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,298 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-15 09:35:26,298 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-15 09:35:26,298 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,299 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,299 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-15 09:35:26,299 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-15 09:35:26,299 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,299 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 09:35:26,299 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,299 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,300 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,300 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,300 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,300 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-15 09:35:26,300 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-15 09:35:26,300 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-15 09:35:26,300 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-15 09:35:26,300 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,301 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,301 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,301 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,301 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,301 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,301 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,301 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,302 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-15 09:35:26,302 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-15 09:35:26,302 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-15 09:35:26,302 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-15 09:35:26,302 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-15 09:35:26,302 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-15 09:35:26,302 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,302 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,303 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,303 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,303 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,303 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,303 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,303 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-15 09:35:26,303 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-15 09:35:26,304 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 09:35:26,304 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,304 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,304 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,304 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,304 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,304 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,305 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-15 09:35:26,305 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-15 09:35:26,305 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,305 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,305 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,305 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,305 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,305 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,306 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,306 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-15 09:35:26,306 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:26,306 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,306 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,306 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-15 09:35:26,306 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-15 09:35:26,306 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-15 09:35:26,306 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-15 09:35:26,309 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:26,310 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 09:35:26,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:35:26 BoogieIcfgContainer [2021-12-15 09:35:26,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 09:35:26,326 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 09:35:26,326 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 09:35:26,326 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 09:35:26,327 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:35:07" (3/4) ... [2021-12-15 09:35:26,329 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 09:35:26,348 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 09:35:26,350 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 09:35:26,351 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 09:35:26,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 09:35:26,465 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 09:35:26,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 09:35:26,466 INFO L158 Benchmark]: Toolchain (without parser) took 21303.58ms. Allocated memory was 94.4MB in the beginning and 400.6MB in the end (delta: 306.2MB). Free memory was 72.3MB in the beginning and 321.9MB in the end (delta: -249.5MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2021-12-15 09:35:26,466 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 09:35:26,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.41ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 72.1MB in the beginning and 83.0MB in the end (delta: -10.9MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2021-12-15 09:35:26,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.31ms. Allocated memory is still 113.2MB. Free memory was 82.6MB in the beginning and 65.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 09:35:26,467 INFO L158 Benchmark]: Boogie Preprocessor took 97.57ms. Allocated memory is still 113.2MB. Free memory was 65.3MB in the beginning and 56.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 09:35:26,467 INFO L158 Benchmark]: RCFGBuilder took 1288.55ms. Allocated memory was 113.2MB in the beginning and 172.0MB in the end (delta: 58.7MB). Free memory was 56.0MB in the beginning and 92.9MB in the end (delta: -37.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2021-12-15 09:35:26,468 INFO L158 Benchmark]: TraceAbstraction took 18969.58ms. Allocated memory was 172.0MB in the beginning and 400.6MB in the end (delta: 228.6MB). Free memory was 92.9MB in the beginning and 346.2MB in the end (delta: -253.3MB). Peak memory consumption was 224.2MB. Max. memory is 16.1GB. [2021-12-15 09:35:26,468 INFO L158 Benchmark]: Witness Printer took 139.51ms. Allocated memory is still 400.6MB. Free memory was 346.2MB in the beginning and 321.9MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 09:35:26,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.41ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 72.1MB in the beginning and 83.0MB in the end (delta: -10.9MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.31ms. Allocated memory is still 113.2MB. Free memory was 82.6MB in the beginning and 65.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.57ms. Allocated memory is still 113.2MB. Free memory was 65.3MB in the beginning and 56.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1288.55ms. Allocated memory was 113.2MB in the beginning and 172.0MB in the end (delta: 58.7MB). Free memory was 56.0MB in the beginning and 92.9MB in the end (delta: -37.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * TraceAbstraction took 18969.58ms. Allocated memory was 172.0MB in the beginning and 400.6MB in the end (delta: 228.6MB). Free memory was 92.9MB in the beginning and 346.2MB in the end (delta: -253.3MB). Peak memory consumption was 224.2MB. Max. memory is 16.1GB. * Witness Printer took 139.51ms. Allocated memory is still 400.6MB. Free memory was 346.2MB in the beginning and 321.9MB in the end (delta: 24.4MB). 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: 85]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.9s, OverallIterations: 15, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3048 SdHoareTripleChecker+Valid, 11.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3048 mSDsluCounter, 3326 SdHoareTripleChecker+Invalid, 9.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 411 mSDsCounter, 1726 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10312 IncrementalHoareTripleChecker+Invalid, 12038 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1726 mSolverCounterUnsat, 2915 mSDtfsCounter, 10312 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9273occurred in iteration=14, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 6527 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 123 NumberOfFragments, 279 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2204 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8364 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 4897 NumberOfCodeBlocks, 4897 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4881 ConstructedInterpolants, 0 QuantifiedInterpolants, 10857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 330 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 16 InterpolantComputations, 15 PerfectInterpolantSequences, 6395/6411 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((0 == a4 && a29 + 22 <= 0) && a23 <= 138) || ((a29 <= 599998 && 307 <= a23) && a4 == 1)) || (((0 == a4 && 11 == a25) && a23 <= 312) && a29 <= 599998)) || ((0 == a4 && a29 <= 599998) && a23 + 43 <= 0)) || (((a23 <= 138 && 0 < a23 + 43) && a25 <= 10) && a4 == 1)) || ((0 == a4 && a29 <= 599998) && a25 == 12)) || (((0 == a4 && a29 <= 599998) && a23 <= 138) && a25 <= 10)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((11 == a25 && a4 == 1) && a29 <= 599999)) || (((0 == a4 && a29 + 22 <= 0) && a25 <= 10) && !(a25 == 9))) || (a29 <= 130 && a4 == 1)) || ((a25 <= 10 && a4 == 1) && a29 <= 599999) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((0 == a4 && a29 + 22 <= 0) && a23 <= 138) || ((a29 <= 599998 && 307 <= a23) && a4 == 1)) || (((0 == a4 && 11 == a25) && a23 <= 312) && a29 <= 599998)) || ((0 == a4 && a29 <= 599998) && a23 + 43 <= 0)) || (((a23 <= 138 && 0 < a23 + 43) && a25 <= 10) && a4 == 1)) || ((0 == a4 && a29 <= 599998) && a25 == 12)) || (((0 == a4 && a29 <= 599998) && a23 <= 138) && a25 <= 10)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((11 == a25 && a4 == 1) && a29 <= 599999)) || (((0 == a4 && a29 + 22 <= 0) && a25 <= 10) && !(a25 == 9))) || (a29 <= 130 && a4 == 1)) || ((a25 <= 10 && a4 == 1) && a29 <= 599999) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 09:35:26,491 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