./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem16_label21.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 65d8d3945381d661ce5474c3cff9730baeab9a2acda6eca872378ca6ce467896 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 12:34:55,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 12:34:55,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 12:34:55,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 12:34:55,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 12:34:55,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 12:34:55,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 12:34:55,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 12:34:55,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 12:34:55,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 12:34:55,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 12:34:55,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 12:34:55,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 12:34:55,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 12:34:55,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 12:34:55,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 12:34:55,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 12:34:55,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 12:34:55,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 12:34:55,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 12:34:55,128 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 12:34:55,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 12:34:55,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 12:34:55,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 12:34:55,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 12:34:55,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 12:34:55,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 12:34:55,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 12:34:55,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 12:34:55,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 12:34:55,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 12:34:55,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 12:34:55,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 12:34:55,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 12:34:55,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 12:34:55,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 12:34:55,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 12:34:55,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 12:34:55,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 12:34:55,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 12:34:55,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 12:34:55,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 12:34:55,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 12:34:55,173 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 12:34:55,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 12:34:55,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 12:34:55,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 12:34:55,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 12:34:55,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 12:34:55,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 12:34:55,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 12:34:55,176 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 12:34:55,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 12:34:55,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 12:34:55,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 12:34:55,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 12:34:55,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 12:34:55,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 12:34:55,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 12:34:55,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 12:34:55,178 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 12:34:55,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 12:34:55,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 12:34:55,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 12:34:55,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 12:34:55,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 12:34:55,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 12:34:55,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:34:55,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 12:34:55,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 12:34:55,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 12:34:55,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 12:34:55,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 12:34:55,180 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 12:34:55,180 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 12:34:55,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 12:34:55,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d8d3945381d661ce5474c3cff9730baeab9a2acda6eca872378ca6ce467896 [2022-07-19 12:34:55,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 12:34:55,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 12:34:55,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 12:34:55,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 12:34:55,436 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 12:34:55,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2022-07-19 12:34:55,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/760b2d683/60a3338d0f48466686a2e2da2b36f47f/FLAGf1102890c [2022-07-19 12:34:56,028 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 12:34:56,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2022-07-19 12:34:56,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/760b2d683/60a3338d0f48466686a2e2da2b36f47f/FLAGf1102890c [2022-07-19 12:34:56,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/760b2d683/60a3338d0f48466686a2e2da2b36f47f [2022-07-19 12:34:56,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 12:34:56,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 12:34:56,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 12:34:56,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 12:34:56,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 12:34:56,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:34:56" (1/1) ... [2022-07-19 12:34:56,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba785a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:56, skipping insertion in model container [2022-07-19 12:34:56,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:34:56" (1/1) ... [2022-07-19 12:34:56,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 12:34:56,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 12:34:56,777 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/Problem16_label21.c[4121,4134] [2022-07-19 12:34:57,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:34:57,097 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 12:34:57,115 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/Problem16_label21.c[4121,4134] [2022-07-19 12:34:57,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:34:57,324 INFO L208 MainTranslator]: Completed translation [2022-07-19 12:34:57,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57 WrapperNode [2022-07-19 12:34:57,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 12:34:57,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 12:34:57,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 12:34:57,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 12:34:57,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57" (1/1) ... [2022-07-19 12:34:57,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57" (1/1) ... [2022-07-19 12:34:57,448 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2022-07-19 12:34:57,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 12:34:57,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 12:34:57,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 12:34:57,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 12:34:57,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57" (1/1) ... [2022-07-19 12:34:57,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57" (1/1) ... [2022-07-19 12:34:57,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57" (1/1) ... [2022-07-19 12:34:57,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57" (1/1) ... [2022-07-19 12:34:57,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57" (1/1) ... [2022-07-19 12:34:57,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57" (1/1) ... [2022-07-19 12:34:57,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57" (1/1) ... [2022-07-19 12:34:57,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 12:34:57,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 12:34:57,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 12:34:57,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 12:34:57,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57" (1/1) ... [2022-07-19 12:34:57,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:34:57,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:34:57,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 12:34:57,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 12:34:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 12:34:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 12:34:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 12:34:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 12:34:57,767 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 12:34:57,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 12:34:59,465 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 12:34:59,482 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 12:34:59,482 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 12:34:59,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:34:59 BoogieIcfgContainer [2022-07-19 12:34:59,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 12:34:59,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 12:34:59,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 12:34:59,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 12:34:59,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 12:34:56" (1/3) ... [2022-07-19 12:34:59,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff99e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:34:59, skipping insertion in model container [2022-07-19 12:34:59,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:34:57" (2/3) ... [2022-07-19 12:34:59,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff99e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:34:59, skipping insertion in model container [2022-07-19 12:34:59,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:34:59" (3/3) ... [2022-07-19 12:34:59,495 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label21.c [2022-07-19 12:34:59,508 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 12:34:59,508 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 12:34:59,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 12:34:59,578 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2bd3a0cf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@23622115 [2022-07-19 12:34:59,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 12:34:59,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:34:59,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-19 12:34:59,602 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:34:59,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:34:59,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:34:59,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:34:59,608 INFO L85 PathProgramCache]: Analyzing trace with hash 323974986, now seen corresponding path program 1 times [2022-07-19 12:34:59,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:34:59,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882477512] [2022-07-19 12:34:59,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:34:59,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:34:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:34:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:34:59,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:34:59,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882477512] [2022-07-19 12:34:59,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882477512] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:34:59,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:34:59,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:34:59,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063596047] [2022-07-19 12:34:59,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:34:59,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:34:59,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:34:59,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:34:59,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:34:59,961 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:02,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:02,671 INFO L93 Difference]: Finished difference Result 1456 states and 2764 transitions. [2022-07-19 12:35:02,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:35:02,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-07-19 12:35:02,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:02,692 INFO L225 Difference]: With dead ends: 1456 [2022-07-19 12:35:02,692 INFO L226 Difference]: Without dead ends: 991 [2022-07-19 12:35:02,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:35:02,699 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 1073 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1599 mSolverCounterSat, 798 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 2397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 1599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:02,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 96 Invalid, 2397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [798 Valid, 1599 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-19 12:35:02,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-07-19 12:35:02,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2022-07-19 12:35:02,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.497979797979798) internal successors, (1483), 990 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1483 transitions. [2022-07-19 12:35:02,779 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1483 transitions. Word has length 38 [2022-07-19 12:35:02,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:02,780 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1483 transitions. [2022-07-19 12:35:02,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:02,780 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1483 transitions. [2022-07-19 12:35:02,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-19 12:35:02,790 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:02,790 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:02,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 12:35:02,791 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:02,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:02,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1339527614, now seen corresponding path program 1 times [2022-07-19 12:35:02,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:02,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767642207] [2022-07-19 12:35:02,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:02,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:03,078 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:35:03,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:03,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767642207] [2022-07-19 12:35:03,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767642207] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:03,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:03,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:35:03,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559682548] [2022-07-19 12:35:03,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:03,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:03,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:03,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:03,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:03,092 INFO L87 Difference]: Start difference. First operand 991 states and 1483 transitions. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:04,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:04,298 INFO L93 Difference]: Finished difference Result 1980 states and 3168 transitions. [2022-07-19 12:35:04,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:04,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 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 228 [2022-07-19 12:35:04,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:04,305 INFO L225 Difference]: With dead ends: 1980 [2022-07-19 12:35:04,305 INFO L226 Difference]: Without dead ends: 1320 [2022-07-19 12:35:04,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:04,309 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 279 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:04,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 539 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:35:04,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-07-19 12:35:04,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2022-07-19 12:35:04,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.423805913570887) internal successors, (1878), 1319 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:04,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1878 transitions. [2022-07-19 12:35:04,342 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1878 transitions. Word has length 228 [2022-07-19 12:35:04,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:04,342 INFO L495 AbstractCegarLoop]: Abstraction has 1320 states and 1878 transitions. [2022-07-19 12:35:04,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:04,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1878 transitions. [2022-07-19 12:35:04,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-07-19 12:35:04,349 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:04,349 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-19 12:35:04,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 12:35:04,350 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:04,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:04,351 INFO L85 PathProgramCache]: Analyzing trace with hash -324745580, now seen corresponding path program 1 times [2022-07-19 12:35:04,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:04,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858132020] [2022-07-19 12:35:04,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:04,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:04,473 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-19 12:35:04,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:04,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858132020] [2022-07-19 12:35:04,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858132020] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:04,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:04,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:35:04,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143519746] [2022-07-19 12:35:04,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:04,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:04,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:04,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:04,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:04,476 INFO L87 Difference]: Start difference. First operand 1320 states and 1878 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:05,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:05,679 INFO L93 Difference]: Finished difference Result 3296 states and 4947 transitions. [2022-07-19 12:35:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:05,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 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 231 [2022-07-19 12:35:05,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:05,687 INFO L225 Difference]: With dead ends: 3296 [2022-07-19 12:35:05,687 INFO L226 Difference]: Without dead ends: 1978 [2022-07-19 12:35:05,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:05,694 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 339 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:05,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 156 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:35:05,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2022-07-19 12:35:05,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2022-07-19 12:35:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.1335356600910471) internal successors, (2241), 1977 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2241 transitions. [2022-07-19 12:35:05,723 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2241 transitions. Word has length 231 [2022-07-19 12:35:05,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:05,724 INFO L495 AbstractCegarLoop]: Abstraction has 1978 states and 2241 transitions. [2022-07-19 12:35:05,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2241 transitions. [2022-07-19 12:35:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-19 12:35:05,728 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:05,729 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:05,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 12:35:05,729 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:05,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:05,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1462404787, now seen corresponding path program 1 times [2022-07-19 12:35:05,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:05,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101399854] [2022-07-19 12:35:05,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:05,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-07-19 12:35:05,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:05,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101399854] [2022-07-19 12:35:05,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101399854] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:05,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:05,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:35:05,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135118463] [2022-07-19 12:35:05,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:05,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:05,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:05,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:05,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:05,849 INFO L87 Difference]: Start difference. First operand 1978 states and 2241 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:06,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:06,649 INFO L93 Difference]: Finished difference Result 3954 states and 4508 transitions. [2022-07-19 12:35:06,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:06,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 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 357 [2022-07-19 12:35:06,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:06,659 INFO L225 Difference]: With dead ends: 3954 [2022-07-19 12:35:06,659 INFO L226 Difference]: Without dead ends: 2307 [2022-07-19 12:35:06,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:06,670 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 262 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:06,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 31 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:35:06,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2022-07-19 12:35:06,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2022-07-19 12:35:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.092801387684302) internal successors, (2520), 2306 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2520 transitions. [2022-07-19 12:35:06,707 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2520 transitions. Word has length 357 [2022-07-19 12:35:06,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:06,708 INFO L495 AbstractCegarLoop]: Abstraction has 2307 states and 2520 transitions. [2022-07-19 12:35:06,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2520 transitions. [2022-07-19 12:35:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2022-07-19 12:35:06,719 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:06,720 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:06,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 12:35:06,720 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:06,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:06,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1707840837, now seen corresponding path program 1 times [2022-07-19 12:35:06,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:06,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692407949] [2022-07-19 12:35:06,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:06,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 645 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-07-19 12:35:06,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:06,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692407949] [2022-07-19 12:35:06,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692407949] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:06,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:06,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:35:06,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413367354] [2022-07-19 12:35:06,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:06,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:06,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:06,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:06,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:06,998 INFO L87 Difference]: Start difference. First operand 2307 states and 2520 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:08,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:08,024 INFO L93 Difference]: Finished difference Result 5928 states and 6509 transitions. [2022-07-19 12:35:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:08,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 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 615 [2022-07-19 12:35:08,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:08,037 INFO L225 Difference]: With dead ends: 5928 [2022-07-19 12:35:08,037 INFO L226 Difference]: Without dead ends: 3952 [2022-07-19 12:35:08,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:08,042 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 219 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:08,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 428 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 12:35:08,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-07-19 12:35:08,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3623. [2022-07-19 12:35:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3623 states, 3622 states have (on average 1.0668139149641083) internal successors, (3864), 3622 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3623 states and 3864 transitions. [2022-07-19 12:35:08,101 INFO L78 Accepts]: Start accepts. Automaton has 3623 states and 3864 transitions. Word has length 615 [2022-07-19 12:35:08,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:08,102 INFO L495 AbstractCegarLoop]: Abstraction has 3623 states and 3864 transitions. [2022-07-19 12:35:08,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:08,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3623 states and 3864 transitions. [2022-07-19 12:35:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2022-07-19 12:35:08,121 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:08,122 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-19 12:35:08,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 12:35:08,124 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:08,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:08,124 INFO L85 PathProgramCache]: Analyzing trace with hash -276815383, now seen corresponding path program 1 times [2022-07-19 12:35:08,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:08,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070031328] [2022-07-19 12:35:08,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:08,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 719 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-07-19 12:35:08,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:08,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070031328] [2022-07-19 12:35:08,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070031328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:08,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:08,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:35:08,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077578277] [2022-07-19 12:35:08,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:08,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:08,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:08,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:08,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:08,430 INFO L87 Difference]: Start difference. First operand 3623 states and 3864 transitions. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:09,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:09,329 INFO L93 Difference]: Finished difference Result 8560 states and 9237 transitions. [2022-07-19 12:35:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:09,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 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 678 [2022-07-19 12:35:09,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:09,349 INFO L225 Difference]: With dead ends: 8560 [2022-07-19 12:35:09,350 INFO L226 Difference]: Without dead ends: 5268 [2022-07-19 12:35:09,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:09,356 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 171 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:09,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 432 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:35:09,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2022-07-19 12:35:09,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 5268. [2022-07-19 12:35:09,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5268 states, 5267 states have (on average 1.0569584203531421) internal successors, (5567), 5267 states have internal predecessors, (5567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5268 states to 5268 states and 5567 transitions. [2022-07-19 12:35:09,435 INFO L78 Accepts]: Start accepts. Automaton has 5268 states and 5567 transitions. Word has length 678 [2022-07-19 12:35:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:09,436 INFO L495 AbstractCegarLoop]: Abstraction has 5268 states and 5567 transitions. [2022-07-19 12:35:09,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5268 states and 5567 transitions. [2022-07-19 12:35:09,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2022-07-19 12:35:09,443 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:09,444 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:09,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 12:35:09,444 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:09,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:09,445 INFO L85 PathProgramCache]: Analyzing trace with hash 340514409, now seen corresponding path program 1 times [2022-07-19 12:35:09,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:09,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668828499] [2022-07-19 12:35:09,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:09,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 284 proven. 454 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-07-19 12:35:09,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:09,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668828499] [2022-07-19 12:35:09,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668828499] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:35:09,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10379556] [2022-07-19 12:35:09,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:09,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:35:09,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:35:09,844 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:35:09,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 12:35:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:10,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 12:35:10,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:35:10,398 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2022-07-19 12:35:10,398 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:35:10,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10379556] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:10,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:35:10,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-19 12:35:10,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405707467] [2022-07-19 12:35:10,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:10,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:10,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:10,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:10,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:35:10,401 INFO L87 Difference]: Start difference. First operand 5268 states and 5567 transitions. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:11,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:11,271 INFO L93 Difference]: Finished difference Result 10205 states and 10801 transitions. [2022-07-19 12:35:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:11,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 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 703 [2022-07-19 12:35:11,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:11,288 INFO L225 Difference]: With dead ends: 10205 [2022-07-19 12:35:11,289 INFO L226 Difference]: Without dead ends: 5268 [2022-07-19 12:35:11,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 707 GetRequests, 703 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:35:11,296 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 258 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:11,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 377 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:35:11,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2022-07-19 12:35:11,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 5268. [2022-07-19 12:35:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5268 states, 5267 states have (on average 1.0487943801025252) internal successors, (5524), 5267 states have internal predecessors, (5524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:11,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5268 states to 5268 states and 5524 transitions. [2022-07-19 12:35:11,379 INFO L78 Accepts]: Start accepts. Automaton has 5268 states and 5524 transitions. Word has length 703 [2022-07-19 12:35:11,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:11,380 INFO L495 AbstractCegarLoop]: Abstraction has 5268 states and 5524 transitions. [2022-07-19 12:35:11,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:11,380 INFO L276 IsEmpty]: Start isEmpty. Operand 5268 states and 5524 transitions. [2022-07-19 12:35:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2022-07-19 12:35:11,390 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:11,390 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:11,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-19 12:35:11,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:35:11,616 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:11,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:11,616 INFO L85 PathProgramCache]: Analyzing trace with hash 324362465, now seen corresponding path program 1 times [2022-07-19 12:35:11,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:11,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414870290] [2022-07-19 12:35:11,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:11,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:11,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-19 12:35:11,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:11,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414870290] [2022-07-19 12:35:11,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414870290] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:11,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:11,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:35:11,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50981341] [2022-07-19 12:35:11,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:11,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:11,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:11,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:11,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:11,940 INFO L87 Difference]: Start difference. First operand 5268 states and 5524 transitions. Second operand has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:12,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:12,730 INFO L93 Difference]: Finished difference Result 11850 states and 12502 transitions. [2022-07-19 12:35:12,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:12,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 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 823 [2022-07-19 12:35:12,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:12,752 INFO L225 Difference]: With dead ends: 11850 [2022-07-19 12:35:12,753 INFO L226 Difference]: Without dead ends: 6913 [2022-07-19 12:35:12,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:12,760 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 220 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:12,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 80 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:35:12,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2022-07-19 12:35:12,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6913. [2022-07-19 12:35:12,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6913 states, 6912 states have (on average 1.0419560185185186) internal successors, (7202), 6912 states have internal predecessors, (7202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:12,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 7202 transitions. [2022-07-19 12:35:12,900 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 7202 transitions. Word has length 823 [2022-07-19 12:35:12,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:12,901 INFO L495 AbstractCegarLoop]: Abstraction has 6913 states and 7202 transitions. [2022-07-19 12:35:12,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 7202 transitions. [2022-07-19 12:35:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1147 [2022-07-19 12:35:12,920 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:12,920 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:12,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 12:35:12,921 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:12,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:12,922 INFO L85 PathProgramCache]: Analyzing trace with hash -328135248, now seen corresponding path program 1 times [2022-07-19 12:35:12,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:12,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292970187] [2022-07-19 12:35:12,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:12,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2722 backedges. 1493 proven. 0 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2022-07-19 12:35:13,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:13,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292970187] [2022-07-19 12:35:13,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292970187] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:13,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:13,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:35:13,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249816437] [2022-07-19 12:35:13,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:13,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:13,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:13,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:13,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:13,466 INFO L87 Difference]: Start difference. First operand 6913 states and 7202 transitions. Second operand has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:14,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:14,385 INFO L93 Difference]: Finished difference Result 14811 states and 15467 transitions. [2022-07-19 12:35:14,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:14,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 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 1146 [2022-07-19 12:35:14,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:14,405 INFO L225 Difference]: With dead ends: 14811 [2022-07-19 12:35:14,405 INFO L226 Difference]: Without dead ends: 8229 [2022-07-19 12:35:14,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:14,415 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:14,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 439 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:35:14,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-07-19 12:35:14,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 7900. [2022-07-19 12:35:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.0375996961640714) internal successors, (8196), 7899 states have internal predecessors, (8196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:14,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8196 transitions. [2022-07-19 12:35:14,524 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8196 transitions. Word has length 1146 [2022-07-19 12:35:14,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:14,525 INFO L495 AbstractCegarLoop]: Abstraction has 7900 states and 8196 transitions. [2022-07-19 12:35:14,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:14,525 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8196 transitions. [2022-07-19 12:35:14,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1165 [2022-07-19 12:35:14,545 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:14,546 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:14,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 12:35:14,547 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:14,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:14,547 INFO L85 PathProgramCache]: Analyzing trace with hash -2097967269, now seen corresponding path program 1 times [2022-07-19 12:35:14,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:14,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621300580] [2022-07-19 12:35:14,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:14,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 1046 proven. 0 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2022-07-19 12:35:15,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:15,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621300580] [2022-07-19 12:35:15,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621300580] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:15,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:15,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:35:15,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421923781] [2022-07-19 12:35:15,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:15,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:15,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:15,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:15,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:15,030 INFO L87 Difference]: Start difference. First operand 7900 states and 8196 transitions. Second operand has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:15,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:15,938 INFO L93 Difference]: Finished difference Result 16127 states and 16722 transitions. [2022-07-19 12:35:15,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:15,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 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 1164 [2022-07-19 12:35:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:15,954 INFO L225 Difference]: With dead ends: 16127 [2022-07-19 12:35:15,954 INFO L226 Difference]: Without dead ends: 7900 [2022-07-19 12:35:15,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:15,963 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 172 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:15,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 410 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:35:15,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2022-07-19 12:35:16,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7571. [2022-07-19 12:35:16,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7571 states, 7570 states have (on average 1.0276089828269486) internal successors, (7779), 7570 states have internal predecessors, (7779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 7779 transitions. [2022-07-19 12:35:16,053 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 7779 transitions. Word has length 1164 [2022-07-19 12:35:16,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:16,054 INFO L495 AbstractCegarLoop]: Abstraction has 7571 states and 7779 transitions. [2022-07-19 12:35:16,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 7779 transitions. [2022-07-19 12:35:16,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1320 [2022-07-19 12:35:16,074 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:16,075 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:16,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 12:35:16,075 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:16,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:16,076 INFO L85 PathProgramCache]: Analyzing trace with hash 230213051, now seen corresponding path program 1 times [2022-07-19 12:35:16,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:16,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473481655] [2022-07-19 12:35:16,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:16,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 2132 proven. 0 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2022-07-19 12:35:16,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:16,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473481655] [2022-07-19 12:35:16,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473481655] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:16,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:16,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 12:35:16,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176336673] [2022-07-19 12:35:16,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:16,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 12:35:16,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:16,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 12:35:16,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-19 12:35:16,769 INFO L87 Difference]: Start difference. First operand 7571 states and 7779 transitions. Second operand has 8 states, 8 states have (on average 99.75) internal successors, (798), 8 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:20,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:20,730 INFO L93 Difference]: Finished difference Result 21167 states and 21759 transitions. [2022-07-19 12:35:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 12:35:20,731 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 99.75) internal successors, (798), 8 states have internal predecessors, (798), 0 states have call successors, (0), 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 1319 [2022-07-19 12:35:20,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:20,763 INFO L225 Difference]: With dead ends: 21167 [2022-07-19 12:35:20,764 INFO L226 Difference]: Without dead ends: 13927 [2022-07-19 12:35:20,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-07-19 12:35:20,776 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 943 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 7420 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 7534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 7420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:20,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 1280 Invalid, 7534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 7420 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-19 12:35:20,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13927 states. [2022-07-19 12:35:20,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13927 to 7571. [2022-07-19 12:35:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7571 states, 7570 states have (on average 1.0269484808454425) internal successors, (7774), 7570 states have internal predecessors, (7774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:20,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 7774 transitions. [2022-07-19 12:35:20,927 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 7774 transitions. Word has length 1319 [2022-07-19 12:35:20,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:20,928 INFO L495 AbstractCegarLoop]: Abstraction has 7571 states and 7774 transitions. [2022-07-19 12:35:20,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 99.75) internal successors, (798), 8 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:20,929 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 7774 transitions. [2022-07-19 12:35:20,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1424 [2022-07-19 12:35:20,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:20,952 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:20,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 12:35:20,953 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:20,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:20,954 INFO L85 PathProgramCache]: Analyzing trace with hash 502523294, now seen corresponding path program 1 times [2022-07-19 12:35:20,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:20,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094020710] [2022-07-19 12:35:20,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:20,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:21,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3480 backedges. 2495 proven. 0 refuted. 0 times theorem prover too weak. 985 trivial. 0 not checked. [2022-07-19 12:35:21,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:21,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094020710] [2022-07-19 12:35:21,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094020710] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:21,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:21,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 12:35:21,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66251768] [2022-07-19 12:35:21,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:21,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 12:35:21,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:21,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 12:35:21,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:35:21,651 INFO L87 Difference]: Start difference. First operand 7571 states and 7774 transitions. Second operand has 5 states, 5 states have (on average 154.4) internal successors, (772), 5 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:22,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:22,984 INFO L93 Difference]: Finished difference Result 15478 states and 15903 transitions. [2022-07-19 12:35:22,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 12:35:22,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 154.4) internal successors, (772), 5 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1423 [2022-07-19 12:35:22,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:22,999 INFO L225 Difference]: With dead ends: 15478 [2022-07-19 12:35:23,000 INFO L226 Difference]: Without dead ends: 8238 [2022-07-19 12:35:23,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:35:23,010 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 601 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 2061 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 2118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 2061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:23,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 439 Invalid, 2118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 2061 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:35:23,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8238 states. [2022-07-19 12:35:23,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8238 to 7900. [2022-07-19 12:35:23,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.027471831877453) internal successors, (8116), 7899 states have internal predecessors, (8116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8116 transitions. [2022-07-19 12:35:23,113 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8116 transitions. Word has length 1423 [2022-07-19 12:35:23,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:23,113 INFO L495 AbstractCegarLoop]: Abstraction has 7900 states and 8116 transitions. [2022-07-19 12:35:23,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 154.4) internal successors, (772), 5 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8116 transitions. [2022-07-19 12:35:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1618 [2022-07-19 12:35:23,138 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:23,139 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-07-19 12:35:23,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-19 12:35:23,140 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:23,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:23,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1728915728, now seen corresponding path program 1 times [2022-07-19 12:35:23,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:23,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624243940] [2022-07-19 12:35:23,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:23,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:23,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4783 backedges. 1166 proven. 0 refuted. 0 times theorem prover too weak. 3617 trivial. 0 not checked. [2022-07-19 12:35:23,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:23,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624243940] [2022-07-19 12:35:23,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624243940] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:23,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:23,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:35:23,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94538666] [2022-07-19 12:35:23,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:23,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:23,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:23,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:23,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:23,776 INFO L87 Difference]: Start difference. First operand 7900 states and 8116 transitions. Second operand has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:24,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:24,540 INFO L93 Difference]: Finished difference Result 17114 states and 17636 transitions. [2022-07-19 12:35:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:24,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 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 1617 [2022-07-19 12:35:24,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:24,560 INFO L225 Difference]: With dead ends: 17114 [2022-07-19 12:35:24,561 INFO L226 Difference]: Without dead ends: 9216 [2022-07-19 12:35:24,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:24,571 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 211 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:24,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 432 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:35:24,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2022-07-19 12:35:24,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2022-07-19 12:35:24,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9215 states have (on average 1.02561041779707) internal successors, (9451), 9215 states have internal predecessors, (9451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:24,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9451 transitions. [2022-07-19 12:35:24,684 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9451 transitions. Word has length 1617 [2022-07-19 12:35:24,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:24,686 INFO L495 AbstractCegarLoop]: Abstraction has 9216 states and 9451 transitions. [2022-07-19 12:35:24,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:24,686 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9451 transitions. [2022-07-19 12:35:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1779 [2022-07-19 12:35:24,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:24,714 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:24,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-19 12:35:24,714 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:24,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:24,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1916689130, now seen corresponding path program 1 times [2022-07-19 12:35:24,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:24,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848731999] [2022-07-19 12:35:24,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:24,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 5987 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 5628 trivial. 0 not checked. [2022-07-19 12:35:25,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:25,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848731999] [2022-07-19 12:35:25,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848731999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:25,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:25,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:35:25,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447853424] [2022-07-19 12:35:25,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:25,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:25,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:25,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:25,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:25,472 INFO L87 Difference]: Start difference. First operand 9216 states and 9451 transitions. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:26,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:26,299 INFO L93 Difference]: Finished difference Result 24023 states and 24655 transitions. [2022-07-19 12:35:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:26,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 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 1778 [2022-07-19 12:35:26,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:26,351 INFO L225 Difference]: With dead ends: 24023 [2022-07-19 12:35:26,352 INFO L226 Difference]: Without dead ends: 14809 [2022-07-19 12:35:26,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:26,361 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 299 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:26,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 56 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:35:26,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2022-07-19 12:35:26,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 12506. [2022-07-19 12:35:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12506 states, 12505 states have (on average 1.02702918832467) internal successors, (12843), 12505 states have internal predecessors, (12843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:26,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 12843 transitions. [2022-07-19 12:35:26,504 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 12843 transitions. Word has length 1778 [2022-07-19 12:35:26,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:26,505 INFO L495 AbstractCegarLoop]: Abstraction has 12506 states and 12843 transitions. [2022-07-19 12:35:26,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:26,506 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 12843 transitions. [2022-07-19 12:35:26,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2003 [2022-07-19 12:35:26,540 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:26,540 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:26,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-19 12:35:26,541 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:26,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:26,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1123888272, now seen corresponding path program 1 times [2022-07-19 12:35:26,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:26,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516138703] [2022-07-19 12:35:26,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:26,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6938 backedges. 4409 proven. 0 refuted. 0 times theorem prover too weak. 2529 trivial. 0 not checked. [2022-07-19 12:35:27,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:27,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516138703] [2022-07-19 12:35:27,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516138703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:27,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:27,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 12:35:27,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953855959] [2022-07-19 12:35:27,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:27,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 12:35:27,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:27,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 12:35:27,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:35:27,524 INFO L87 Difference]: Start difference. First operand 12506 states and 12843 transitions. Second operand has 6 states, 6 states have (on average 145.16666666666666) internal successors, (871), 6 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:29,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:29,243 INFO L93 Difference]: Finished difference Result 24708 states and 25380 transitions. [2022-07-19 12:35:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 12:35:29,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 145.16666666666666) internal successors, (871), 6 states have internal predecessors, (871), 0 states have call successors, (0), 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 2002 [2022-07-19 12:35:29,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:29,256 INFO L225 Difference]: With dead ends: 24708 [2022-07-19 12:35:29,256 INFO L226 Difference]: Without dead ends: 12506 [2022-07-19 12:35:29,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:35:29,263 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 152 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 3234 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 3259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 3234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:29,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 446 Invalid, 3259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 3234 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-19 12:35:29,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2022-07-19 12:35:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 12506. [2022-07-19 12:35:29,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12506 states, 12505 states have (on average 1.025749700119952) internal successors, (12827), 12505 states have internal predecessors, (12827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:29,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 12827 transitions. [2022-07-19 12:35:29,467 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 12827 transitions. Word has length 2002 [2022-07-19 12:35:29,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:29,468 INFO L495 AbstractCegarLoop]: Abstraction has 12506 states and 12827 transitions. [2022-07-19 12:35:29,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.16666666666666) internal successors, (871), 6 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 12827 transitions. [2022-07-19 12:35:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2047 [2022-07-19 12:35:29,498 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:29,499 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:29,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-19 12:35:29,500 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:29,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:29,501 INFO L85 PathProgramCache]: Analyzing trace with hash 914306066, now seen corresponding path program 1 times [2022-07-19 12:35:29,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:29,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568820318] [2022-07-19 12:35:29,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:29,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6949 backedges. 5738 proven. 10 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2022-07-19 12:35:30,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:30,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568820318] [2022-07-19 12:35:30,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568820318] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:35:30,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116722824] [2022-07-19 12:35:30,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:30,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:35:30,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:35:30,700 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:35:30,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 12:35:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:31,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 12:35:31,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:35:33,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6949 backedges. 2825 proven. 201 refuted. 0 times theorem prover too weak. 3923 trivial. 0 not checked. [2022-07-19 12:35:33,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:35:38,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6949 backedges. 2825 proven. 201 refuted. 0 times theorem prover too weak. 3923 trivial. 0 not checked. [2022-07-19 12:35:38,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116722824] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:35:38,177 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:35:38,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3, 3] total 12 [2022-07-19 12:35:38,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029362310] [2022-07-19 12:35:38,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:35:38,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 12:35:38,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:38,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 12:35:38,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-19 12:35:38,186 INFO L87 Difference]: Start difference. First operand 12506 states and 12827 transitions. Second operand has 12 states, 12 states have (on average 196.16666666666666) internal successors, (2354), 12 states have internal predecessors, (2354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:46,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:46,171 INFO L93 Difference]: Finished difference Result 35644 states and 36568 transitions. [2022-07-19 12:35:46,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-19 12:35:46,172 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 196.16666666666666) internal successors, (2354), 12 states have internal predecessors, (2354), 0 states have call successors, (0), 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 2046 [2022-07-19 12:35:46,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:46,193 INFO L225 Difference]: With dead ends: 35644 [2022-07-19 12:35:46,194 INFO L226 Difference]: Without dead ends: 23469 [2022-07-19 12:35:46,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4139 GetRequests, 4107 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=282, Invalid=840, Unknown=0, NotChecked=0, Total=1122 [2022-07-19 12:35:46,202 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 1488 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 17402 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 17884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 17402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:46,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 569 Invalid, 17884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 17402 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-19 12:35:46,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23469 states. [2022-07-19 12:35:46,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23469 to 12506. [2022-07-19 12:35:46,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12506 states, 12505 states have (on average 1.0241503398640543) internal successors, (12807), 12505 states have internal predecessors, (12807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 12807 transitions. [2022-07-19 12:35:46,409 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 12807 transitions. Word has length 2046 [2022-07-19 12:35:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:46,410 INFO L495 AbstractCegarLoop]: Abstraction has 12506 states and 12807 transitions. [2022-07-19 12:35:46,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 196.16666666666666) internal successors, (2354), 12 states have internal predecessors, (2354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:46,411 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 12807 transitions. [2022-07-19 12:35:46,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2231 [2022-07-19 12:35:46,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:46,446 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:46,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 12:35:46,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-19 12:35:46,668 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:46,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:46,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1806187156, now seen corresponding path program 1 times [2022-07-19 12:35:46,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:46,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495138289] [2022-07-19 12:35:46,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:46,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:47,648 INFO L134 CoverageAnalysis]: Checked inductivity of 9117 backedges. 2999 proven. 156 refuted. 0 times theorem prover too weak. 5962 trivial. 0 not checked. [2022-07-19 12:35:47,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:47,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495138289] [2022-07-19 12:35:47,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495138289] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:35:47,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186804154] [2022-07-19 12:35:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:47,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:35:47,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:35:47,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:35:47,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 12:35:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:48,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 2590 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 12:35:48,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:35:48,746 INFO L134 CoverageAnalysis]: Checked inductivity of 9117 backedges. 3155 proven. 0 refuted. 0 times theorem prover too weak. 5962 trivial. 0 not checked. [2022-07-19 12:35:48,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:35:48,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186804154] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:48,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:35:48,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-19 12:35:48,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092069114] [2022-07-19 12:35:48,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:48,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:48,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:48,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:48,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:35:48,750 INFO L87 Difference]: Start difference. First operand 12506 states and 12807 transitions. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:49,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:49,459 INFO L93 Difference]: Finished difference Result 26326 states and 26963 transitions. [2022-07-19 12:35:49,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:49,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 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 2230 [2022-07-19 12:35:49,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:49,472 INFO L225 Difference]: With dead ends: 26326 [2022-07-19 12:35:49,473 INFO L226 Difference]: Without dead ends: 14151 [2022-07-19 12:35:49,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2234 GetRequests, 2229 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:35:49,482 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 173 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:49,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 97 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:35:49,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2022-07-19 12:35:49,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 13822. [2022-07-19 12:35:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0227190507199189) internal successors, (14135), 13821 states have internal predecessors, (14135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14135 transitions. [2022-07-19 12:35:49,639 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14135 transitions. Word has length 2230 [2022-07-19 12:35:49,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:49,640 INFO L495 AbstractCegarLoop]: Abstraction has 13822 states and 14135 transitions. [2022-07-19 12:35:49,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:49,641 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14135 transitions. [2022-07-19 12:35:49,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2294 [2022-07-19 12:35:49,676 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:49,677 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:49,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 12:35:49,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:35:49,879 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:49,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:49,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1188851207, now seen corresponding path program 1 times [2022-07-19 12:35:49,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:49,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502013890] [2022-07-19 12:35:49,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:49,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 9435 backedges. 5457 proven. 1581 refuted. 0 times theorem prover too weak. 2397 trivial. 0 not checked. [2022-07-19 12:35:50,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:50,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502013890] [2022-07-19 12:35:50,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502013890] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:35:50,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714233134] [2022-07-19 12:35:50,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:50,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:35:50,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:35:50,870 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:35:50,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 12:35:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:51,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 2655 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 12:35:51,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:35:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 9435 backedges. 5433 proven. 0 refuted. 0 times theorem prover too weak. 4002 trivial. 0 not checked. [2022-07-19 12:35:51,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:35:51,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714233134] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:51,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:35:51,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-19 12:35:51,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13149763] [2022-07-19 12:35:51,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:51,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:51,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:51,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:51,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:35:51,612 INFO L87 Difference]: Start difference. First operand 13822 states and 14135 transitions. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:52,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:52,327 INFO L93 Difference]: Finished difference Result 27971 states and 28606 transitions. [2022-07-19 12:35:52,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:52,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 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 2293 [2022-07-19 12:35:52,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:52,340 INFO L225 Difference]: With dead ends: 27971 [2022-07-19 12:35:52,340 INFO L226 Difference]: Without dead ends: 14480 [2022-07-19 12:35:52,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2298 GetRequests, 2294 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:35:52,350 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 263 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:52,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 431 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:35:52,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2022-07-19 12:35:52,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480. [2022-07-19 12:35:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.021962842737758) internal successors, (14797), 14479 states have internal predecessors, (14797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14797 transitions. [2022-07-19 12:35:52,488 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14797 transitions. Word has length 2293 [2022-07-19 12:35:52,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:52,489 INFO L495 AbstractCegarLoop]: Abstraction has 14480 states and 14797 transitions. [2022-07-19 12:35:52,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14797 transitions. [2022-07-19 12:35:52,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2448 [2022-07-19 12:35:52,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:52,570 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 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] [2022-07-19 12:35:52,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-19 12:35:52,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-19 12:35:52,774 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:52,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:52,775 INFO L85 PathProgramCache]: Analyzing trace with hash 614931833, now seen corresponding path program 1 times [2022-07-19 12:35:52,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:52,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078593576] [2022-07-19 12:35:52,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:52,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 11597 backedges. 6714 proven. 0 refuted. 0 times theorem prover too weak. 4883 trivial. 0 not checked. [2022-07-19 12:35:53,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:53,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078593576] [2022-07-19 12:35:53,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078593576] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:53,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:35:53,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:35:53,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197932328] [2022-07-19 12:35:53,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:53,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:53,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:53,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:53,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:53,657 INFO L87 Difference]: Start difference. First operand 14480 states and 14797 transitions. Second operand has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:54,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:54,376 INFO L93 Difference]: Finished difference Result 28629 states and 29261 transitions. [2022-07-19 12:35:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:54,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 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 2447 [2022-07-19 12:35:54,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:54,390 INFO L225 Difference]: With dead ends: 28629 [2022-07-19 12:35:54,390 INFO L226 Difference]: Without dead ends: 14480 [2022-07-19 12:35:54,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:35:54,399 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 262 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:54,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 416 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:35:54,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2022-07-19 12:35:54,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480. [2022-07-19 12:35:54,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.01526348504731) internal successors, (14700), 14479 states have internal predecessors, (14700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:54,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14700 transitions. [2022-07-19 12:35:54,523 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14700 transitions. Word has length 2447 [2022-07-19 12:35:54,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:54,524 INFO L495 AbstractCegarLoop]: Abstraction has 14480 states and 14700 transitions. [2022-07-19 12:35:54,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14700 transitions. [2022-07-19 12:35:54,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2507 [2022-07-19 12:35:54,565 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:54,566 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:54,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-19 12:35:54,566 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:54,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:54,567 INFO L85 PathProgramCache]: Analyzing trace with hash 245761786, now seen corresponding path program 1 times [2022-07-19 12:35:54,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:54,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457029726] [2022-07-19 12:35:54,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:54,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10828 backedges. 5224 proven. 1035 refuted. 0 times theorem prover too weak. 4569 trivial. 0 not checked. [2022-07-19 12:35:55,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:55,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457029726] [2022-07-19 12:35:55,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457029726] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:35:55,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719447294] [2022-07-19 12:35:55,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:55,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:35:55,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:35:55,732 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:35:55,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 12:35:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:56,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 2868 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 12:35:56,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:35:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 10828 backedges. 5594 proven. 0 refuted. 0 times theorem prover too weak. 5234 trivial. 0 not checked. [2022-07-19 12:35:56,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:35:56,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719447294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:56,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:35:56,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-07-19 12:35:56,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506849994] [2022-07-19 12:35:56,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:56,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:56,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:56,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:56,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-19 12:35:56,513 INFO L87 Difference]: Start difference. First operand 14480 states and 14700 transitions. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:57,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:35:57,400 INFO L93 Difference]: Finished difference Result 31590 states and 32083 transitions. [2022-07-19 12:35:57,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:35:57,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 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 2506 [2022-07-19 12:35:57,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:35:57,416 INFO L225 Difference]: With dead ends: 31590 [2022-07-19 12:35:57,417 INFO L226 Difference]: Without dead ends: 17112 [2022-07-19 12:35:57,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2514 GetRequests, 2507 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-19 12:35:57,426 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 221 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:35:57,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 422 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:35:57,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2022-07-19 12:35:57,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16783. [2022-07-19 12:35:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0142414491717315) internal successors, (17021), 16782 states have internal predecessors, (17021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17021 transitions. [2022-07-19 12:35:57,599 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17021 transitions. Word has length 2506 [2022-07-19 12:35:57,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:35:57,600 INFO L495 AbstractCegarLoop]: Abstraction has 16783 states and 17021 transitions. [2022-07-19 12:35:57,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:35:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17021 transitions. [2022-07-19 12:35:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2600 [2022-07-19 12:35:57,646 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:35:57,647 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:35:57,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 12:35:57,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:35:57,876 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:35:57,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:35:57,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1749443240, now seen corresponding path program 1 times [2022-07-19 12:35:57,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:35:57,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496237023] [2022-07-19 12:35:57,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:57,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:35:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:59,036 INFO L134 CoverageAnalysis]: Checked inductivity of 11638 backedges. 5437 proven. 1128 refuted. 0 times theorem prover too weak. 5073 trivial. 0 not checked. [2022-07-19 12:35:59,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:35:59,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496237023] [2022-07-19 12:35:59,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496237023] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:35:59,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513404292] [2022-07-19 12:35:59,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:35:59,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:35:59,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:35:59,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:35:59,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 12:35:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:35:59,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 2961 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 12:35:59,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:35:59,781 INFO L134 CoverageAnalysis]: Checked inductivity of 11638 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 11206 trivial. 0 not checked. [2022-07-19 12:35:59,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:35:59,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513404292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:35:59,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:35:59,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-07-19 12:35:59,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966264464] [2022-07-19 12:35:59,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:35:59,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:35:59,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:35:59,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:35:59,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-19 12:35:59,785 INFO L87 Difference]: Start difference. First operand 16783 states and 17021 transitions. Second operand has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:36:00,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:36:00,651 INFO L93 Difference]: Finished difference Result 34549 states and 35049 transitions. [2022-07-19 12:36:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:36:00,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 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 2599 [2022-07-19 12:36:00,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:36:00,653 INFO L225 Difference]: With dead ends: 34549 [2022-07-19 12:36:00,653 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 12:36:00,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2607 GetRequests, 2600 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-19 12:36:00,662 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 295 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:36:00,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 416 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:36:00,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 12:36:00,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 12:36:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:36:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 12:36:00,664 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2599 [2022-07-19 12:36:00,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:36:00,664 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 12:36:00,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:36:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 12:36:00,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 12:36:00,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 12:36:00,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-19 12:36:00,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:36:00,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 12:36:09,678 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,679 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,679 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,679 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,679 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,679 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,679 INFO L899 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,680 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,681 INFO L899 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,682 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,682 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,682 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,682 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,682 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,682 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,682 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,682 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-19 12:36:09,683 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-19 12:36:09,683 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-19 12:36:09,683 INFO L899 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,683 INFO L899 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,683 INFO L899 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,683 INFO L899 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,683 INFO L899 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,683 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,684 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,684 INFO L899 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,684 INFO L899 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,684 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,684 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,684 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,684 INFO L899 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,684 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,685 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,685 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,685 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,685 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,685 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,685 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-19 12:36:09,685 INFO L899 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,685 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-19 12:36:09,686 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-19 12:36:09,686 INFO L895 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse3 (= ~a15~0 4)) (.cse4 (= 5 ~a12~0)) (.cse1 (= ~a16~0 9))) (let ((.cse11 (= ~a12~0 6)) (.cse10 (+ ~a18~0 156)) (.cse12 (= 7 ~a12~0)) (.cse6 (<= ~a16~0 11)) (.cse2 (<= ~a15~0 3)) (.cse5 (not .cse1)) (.cse14 (= ~a16~0 8)) (.cse9 (= ~a12~0 8)) (.cse15 (or (and .cse3 .cse4) (<= ~a18~0 134))) (.cse0 (<= (+ ~a18~0 79) 0)) (.cse7 (not (= |ULTIMATE.start_calculate_output_~input#1| 1))) (.cse13 (<= ~a16~0 8)) (.cse8 (= ~a12~0 9)) (.cse16 (<= (+ (div ~a18~0 (- 2)) 79) 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5 .cse6) (and (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse1 .cse2) (and .cse7 .cse8 .cse1 .cse3 (<= (+ ~a18~0 80) 0)) (and .cse2 .cse9 .cse5) (and .cse0 .cse7 .cse1 .cse3 .cse4 (< 0 .cse10)) (and .cse2 .cse11 .cse5) (and .cse3 .cse11 .cse6) (and .cse2 .cse12) (and .cse13 .cse8 .cse14 .cse3 .cse15) (and .cse1 .cse3 .cse9) (and .cse8 (<= 0 (+ 44 ~a18~0)) (= ~a15~0 3)) (and .cse1 .cse2 .cse9) (and .cse1 .cse3 .cse12) (and .cse14 .cse3 .cse4) (and .cse2 (or (not (<= .cse10 0)) (not (= ~a16~0 12))) .cse4 .cse5) (and .cse13 .cse2) (and .cse14 .cse3 .cse15 .cse12) (and .cse3 .cse16 .cse4 .cse5 .cse6) (and .cse8 .cse2 .cse5) (and .cse13 .cse14 .cse3 .cse9 .cse15) (and .cse0 .cse7 .cse1 .cse3 (<= (+ 391209 ~a18~0) 0) .cse4) (and .cse13 .cse8 .cse3 .cse16)))) [2022-07-19 12:36:09,686 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,686 INFO L899 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,686 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,687 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,687 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,687 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,687 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,687 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,687 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,687 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,687 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-19 12:36:09,688 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-19 12:36:09,688 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,688 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-19 12:36:09,688 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,688 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,688 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,688 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,689 INFO L899 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,689 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,689 INFO L899 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,689 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,689 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,689 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,689 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,689 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,690 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,690 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,690 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,690 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,690 INFO L899 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,690 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-19 12:36:09,690 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,690 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-19 12:36:09,690 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-19 12:36:09,691 INFO L899 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,691 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,691 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,691 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,691 INFO L899 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,691 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,691 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,691 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,691 INFO L899 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,691 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,691 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L895 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse1 (= ~a16~0 9)) (.cse4 (= ~a15~0 4)) (.cse5 (= 5 ~a12~0)) (.cse18 (<= ~a18~0 134))) (let ((.cse0 (<= (+ ~a18~0 79) 0)) (.cse13 (= ~a12~0 6)) (.cse9 (= ~a12~0 8)) (.cse6 (+ ~a18~0 156)) (.cse14 (= 7 ~a12~0)) (.cse12 (<= ~a16~0 11)) (.cse10 (or (and .cse4 .cse5) .cse18)) (.cse2 (<= ~a15~0 3)) (.cse11 (not .cse1)) (.cse3 (not (= |ULTIMATE.start_calculate_output_~input#1| 1))) (.cse7 (not (= |ULTIMATE.start_calculate_output2_~input#1| 1))) (.cse8 (= ~a16~0 8)) (.cse15 (<= ~a16~0 8)) (.cse17 (= ~a12~0 9)) (.cse16 (<= (+ (div ~a18~0 (- 2)) 79) 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse4 .cse5 (< 0 .cse6) .cse7) (and .cse8 .cse4 .cse9 .cse10) (and .cse0 .cse4 .cse5 .cse11 .cse12) (and (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse1 .cse2) (and .cse2 .cse13 .cse11) (and .cse4 .cse13 .cse12) (and .cse3 .cse1 .cse4 (<= (+ 391209 ~a18~0) 0) .cse5 .cse7) (and .cse2 .cse14) (and .cse1 .cse4 .cse9) (and .cse2 .cse9) (and .cse1 .cse4 .cse14) (and .cse2 (or (not (<= .cse6 0)) (not (= ~a16~0 12))) .cse5 .cse11) (and .cse15 .cse2) (and .cse8 .cse4 .cse10 .cse14) (and .cse4 .cse16 .cse5 .cse11 .cse12) (and .cse17 .cse8 .cse4 .cse10) (and .cse17 .cse2 .cse11) (and .cse3 .cse17 .cse1 .cse4 (<= (+ ~a18~0 80) 0) .cse7) (and .cse8 .cse4 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) .cse18) .cse5) (and .cse15 .cse17 .cse4 .cse16)))) [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 12:36:09,692 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,693 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,693 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,693 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,693 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,693 INFO L899 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,693 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-19 12:36:09,693 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,693 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-19 12:36:09,693 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-19 12:36:09,693 INFO L899 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L902 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-19 12:36:09,694 INFO L899 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,695 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-19 12:36:09,695 INFO L899 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,695 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-19 12:36:09,695 INFO L899 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,695 INFO L899 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,695 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,695 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,695 INFO L899 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,696 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,696 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,696 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,696 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,696 INFO L899 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,696 INFO L899 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,696 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,696 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,697 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,697 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,697 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,697 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-19 12:36:09,697 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-19 12:36:09,697 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-19 12:36:09,697 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 12:36:09,698 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 131) no Hoare annotation was computed. [2022-07-19 12:36:09,698 INFO L895 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse3 (= ~a15~0 4)) (.cse4 (= 5 ~a12~0)) (.cse1 (= ~a16~0 9))) (let ((.cse11 (= ~a12~0 6)) (.cse10 (+ ~a18~0 156)) (.cse12 (= 7 ~a12~0)) (.cse6 (<= ~a16~0 11)) (.cse2 (<= ~a15~0 3)) (.cse5 (not .cse1)) (.cse14 (= ~a16~0 8)) (.cse9 (= ~a12~0 8)) (.cse15 (or (and .cse3 .cse4) (<= ~a18~0 134))) (.cse0 (<= (+ ~a18~0 79) 0)) (.cse7 (not (= |ULTIMATE.start_calculate_output_~input#1| 1))) (.cse13 (<= ~a16~0 8)) (.cse8 (= ~a12~0 9)) (.cse16 (<= (+ (div ~a18~0 (- 2)) 79) 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5 .cse6) (and (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse1 .cse2) (and .cse7 .cse8 .cse1 .cse3 (<= (+ ~a18~0 80) 0)) (and .cse2 .cse9 .cse5) (and .cse0 .cse7 .cse1 .cse3 .cse4 (< 0 .cse10)) (and .cse2 .cse11 .cse5) (and .cse3 .cse11 .cse6) (and .cse2 .cse12) (and .cse13 .cse8 .cse14 .cse3 .cse15) (and .cse1 .cse3 .cse9) (and .cse8 (<= 0 (+ 44 ~a18~0)) (= ~a15~0 3)) (and .cse1 .cse2 .cse9) (and .cse1 .cse3 .cse12) (and .cse14 .cse3 .cse4) (and .cse2 (or (not (<= .cse10 0)) (not (= ~a16~0 12))) .cse4 .cse5) (and .cse13 .cse2) (and .cse14 .cse3 .cse15 .cse12) (and .cse3 .cse16 .cse4 .cse5 .cse6) (and .cse8 .cse2 .cse5) (and .cse13 .cse14 .cse3 .cse9 .cse15) (and .cse0 .cse7 .cse1 .cse3 (<= (+ 391209 ~a18~0) 0) .cse4) (and .cse13 .cse8 .cse3 .cse16)))) [2022-07-19 12:36:09,698 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,698 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,698 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,698 INFO L899 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,698 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,699 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,699 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,699 INFO L899 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,699 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,699 INFO L899 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,699 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,699 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,699 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,700 INFO L899 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,700 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-19 12:36:09,700 INFO L899 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,700 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-19 12:36:09,700 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-19 12:36:09,700 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,700 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,701 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,701 INFO L899 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,701 INFO L899 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,701 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,701 INFO L899 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,701 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,701 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,701 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,702 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,702 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,702 INFO L899 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2022-07-19 12:36:09,702 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,702 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,702 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,702 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,702 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,703 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-19 12:36:09,703 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-19 12:36:09,703 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-19 12:36:09,703 INFO L899 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,703 INFO L899 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,703 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,703 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,703 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,704 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,704 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,704 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,704 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,704 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,704 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,704 INFO L899 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,705 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,705 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-19 12:36:09,705 INFO L899 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,705 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-19 12:36:09,705 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-19 12:36:09,705 INFO L899 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,705 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,705 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,706 INFO L899 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,706 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,706 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,706 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,706 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,706 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,706 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,706 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,707 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,707 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,707 INFO L899 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,707 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-19 12:36:09,707 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-19 12:36:09,707 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-19 12:36:09,707 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,708 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,708 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,708 INFO L899 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,708 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,708 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,708 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,708 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,708 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,709 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,709 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,709 INFO L899 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,709 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,709 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,709 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-19 12:36:09,709 INFO L899 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,709 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-19 12:36:09,710 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-19 12:36:09,710 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,710 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,710 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,710 INFO L899 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,710 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,710 INFO L899 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,710 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,711 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,711 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,711 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,711 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,711 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,711 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,711 INFO L899 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,711 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-19 12:36:09,712 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-19 12:36:09,712 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-19 12:36:09,712 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,712 INFO L899 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,712 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,712 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,712 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,712 INFO L899 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,713 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,713 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,713 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,713 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,713 INFO L899 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,713 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,713 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,713 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,714 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 12:36:09,714 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,714 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-19 12:36:09,714 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-19 12:36:09,714 INFO L899 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,714 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,714 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,714 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,715 INFO L899 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,715 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,715 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,715 INFO L899 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,715 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,715 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,715 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,715 INFO L899 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,716 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-19 12:36:09,716 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-19 12:36:09,716 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,716 INFO L899 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,716 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,716 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,716 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,716 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,717 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,717 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,717 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,717 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,717 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,717 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,717 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,717 INFO L899 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,718 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,718 INFO L899 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,718 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-19 12:36:09,718 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-19 12:36:09,718 INFO L899 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,718 INFO L899 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,718 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,718 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,719 INFO L899 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,719 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,719 INFO L899 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,719 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,719 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,719 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 12:36:09,719 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,719 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,720 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-19 12:36:09,720 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-19 12:36:09,720 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,720 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,720 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,720 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,720 INFO L899 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,720 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,721 INFO L899 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,721 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,721 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,721 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,721 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,721 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,721 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,721 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,722 INFO L899 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,722 INFO L899 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,722 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,722 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-19 12:36:09,722 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-19 12:36:09,722 INFO L899 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,722 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,722 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,723 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,723 INFO L899 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,723 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,723 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2022-07-19 12:36:09,723 INFO L899 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,723 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,723 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,723 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-19 12:36:09,724 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2022-07-19 12:36:09,724 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,724 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,724 INFO L899 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2022-07-19 12:36:09,724 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-19 12:36:09,724 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-19 12:36:09,724 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-19 12:36:09,727 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:36:09,729 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 12:36:09,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 12:36:09 BoogieIcfgContainer [2022-07-19 12:36:09,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 12:36:09,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 12:36:09,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 12:36:09,755 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 12:36:09,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:34:59" (3/4) ... [2022-07-19 12:36:09,758 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 12:36:09,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-19 12:36:09,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 12:36:09,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 12:36:09,792 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 12:36:09,912 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 12:36:09,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 12:36:09,912 INFO L158 Benchmark]: Toolchain (without parser) took 73395.07ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 78.0MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 478.8MB. Max. memory is 16.1GB. [2022-07-19 12:36:09,913 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 12:36:09,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 806.50ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 78.1MB in the end (delta: -372.3kB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-07-19 12:36:09,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.41ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 54.0MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-19 12:36:09,914 INFO L158 Benchmark]: Boogie Preprocessor took 180.59ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 54.0MB in the beginning and 92.6MB in the end (delta: -38.6MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-07-19 12:36:09,915 INFO L158 Benchmark]: RCFGBuilder took 1854.33ms. Allocated memory was 144.7MB in the beginning and 226.5MB in the end (delta: 81.8MB). Free memory was 92.6MB in the beginning and 160.1MB in the end (delta: -67.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-07-19 12:36:09,915 INFO L158 Benchmark]: TraceAbstraction took 70264.56ms. Allocated memory was 226.5MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 160.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-07-19 12:36:09,917 INFO L158 Benchmark]: Witness Printer took 157.64ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-19 12:36:09,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 806.50ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 78.1MB in the end (delta: -372.3kB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.41ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 54.0MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.59ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 54.0MB in the beginning and 92.6MB in the end (delta: -38.6MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1854.33ms. Allocated memory was 144.7MB in the beginning and 226.5MB in the end (delta: 81.8MB). Free memory was 92.6MB in the beginning and 160.1MB in the end (delta: -67.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 70264.56ms. Allocated memory was 226.5MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 160.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 157.64ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 23.5MB). 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: 131]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 70.2s, OverallIterations: 21, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 32.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8125 SdHoareTripleChecker+Valid, 29.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8125 mSDsluCounter, 7992 SdHoareTripleChecker+Invalid, 24.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 969 mSDsCounter, 2949 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43993 IncrementalHoareTripleChecker+Invalid, 46942 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2949 mSolverCounterUnsat, 7023 mSDtfsCounter, 43993 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14572 GetRequests, 14475 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16783occurred in iteration=20, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 21605 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 194 NumberOfFragments, 1043 HoareAnnotationTreeSize, 4 FomulaSimplifications, 19846 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 4 FomulaSimplificationsInter, 50745 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 40620 NumberOfCodeBlocks, 40620 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 42638 ConstructedInterpolants, 0 QuantifiedInterpolants, 125558 SizeOfPredicates, 3 NumberOfNonLiveVariables, 14294 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 144890/149656 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: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a18 + 79 <= 0 && a16 == 9) && a15 <= 3) || ((((((a18 + 79 <= 0 && !(input == 1)) && a16 == 9) && a15 == 4) && 5 == a12) && 0 < a18 + 156) && !(input == 1))) || (((a16 == 8 && a15 == 4) && a12 == 8) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || ((((a18 + 79 <= 0 && a15 == 4) && 5 == a12) && !(a16 == 9)) && a16 <= 11)) || ((0 < (a18 + -135) / 299932 + 1 && a16 == 9) && a15 <= 3)) || ((a15 <= 3 && a12 == 6) && !(a16 == 9))) || ((a15 == 4 && a12 == 6) && a16 <= 11)) || (((((!(input == 1) && a16 == 9) && a15 == 4) && 391209 + a18 <= 0) && 5 == a12) && !(input == 1))) || (a15 <= 3 && 7 == a12)) || ((a16 == 9 && a15 == 4) && a12 == 8)) || (a15 <= 3 && a12 == 8)) || ((a16 == 9 && a15 == 4) && 7 == a12)) || (((a15 <= 3 && (!(a18 + 156 <= 0) || !(a16 == 12))) && 5 == a12) && !(a16 == 9))) || (a16 <= 8 && a15 <= 3)) || (((a16 == 8 && a15 == 4) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 7 == a12)) || ((((a15 == 4 && a18 / -2 + 79 <= 0) && 5 == a12) && !(a16 == 9)) && a16 <= 11)) || (((a12 == 9 && a16 == 8) && a15 == 4) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || ((a12 == 9 && a15 <= 3) && !(a16 == 9))) || (((((!(input == 1) && a12 == 9) && a16 == 9) && a15 == 4) && a18 + 80 <= 0) && !(input == 1))) || (((a16 == 8 && a15 == 4) && (!(input == 3) || a18 <= 134)) && 5 == a12)) || (((a16 <= 8 && a12 == 9) && a15 == 4) && a18 / -2 + 79 <= 0) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((a18 + 79 <= 0 && a16 == 9) && a15 <= 3) || ((((a18 + 79 <= 0 && a15 == 4) && 5 == a12) && !(a16 == 9)) && a16 <= 11)) || ((0 < (a18 + -135) / 299932 + 1 && a16 == 9) && a15 <= 3)) || ((((!(input == 1) && a12 == 9) && a16 == 9) && a15 == 4) && a18 + 80 <= 0)) || ((a15 <= 3 && a12 == 8) && !(a16 == 9))) || (((((a18 + 79 <= 0 && !(input == 1)) && a16 == 9) && a15 == 4) && 5 == a12) && 0 < a18 + 156)) || ((a15 <= 3 && a12 == 6) && !(a16 == 9))) || ((a15 == 4 && a12 == 6) && a16 <= 11)) || (a15 <= 3 && 7 == a12)) || ((((a16 <= 8 && a12 == 9) && a16 == 8) && a15 == 4) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || ((a16 == 9 && a15 == 4) && a12 == 8)) || ((a12 == 9 && 0 <= 44 + a18) && a15 == 3)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((a16 == 9 && a15 == 4) && 7 == a12)) || ((a16 == 8 && a15 == 4) && 5 == a12)) || (((a15 <= 3 && (!(a18 + 156 <= 0) || !(a16 == 12))) && 5 == a12) && !(a16 == 9))) || (a16 <= 8 && a15 <= 3)) || (((a16 == 8 && a15 == 4) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 7 == a12)) || ((((a15 == 4 && a18 / -2 + 79 <= 0) && 5 == a12) && !(a16 == 9)) && a16 <= 11)) || ((a12 == 9 && a15 <= 3) && !(a16 == 9))) || ((((a16 <= 8 && a16 == 8) && a15 == 4) && a12 == 8) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || (((((a18 + 79 <= 0 && !(input == 1)) && a16 == 9) && a15 == 4) && 391209 + a18 <= 0) && 5 == a12)) || (((a16 <= 8 && a12 == 9) && a15 == 4) && a18 / -2 + 79 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((a18 + 79 <= 0 && a16 == 9) && a15 <= 3) || ((((a18 + 79 <= 0 && a15 == 4) && 5 == a12) && !(a16 == 9)) && a16 <= 11)) || ((0 < (a18 + -135) / 299932 + 1 && a16 == 9) && a15 <= 3)) || ((((!(input == 1) && a12 == 9) && a16 == 9) && a15 == 4) && a18 + 80 <= 0)) || ((a15 <= 3 && a12 == 8) && !(a16 == 9))) || (((((a18 + 79 <= 0 && !(input == 1)) && a16 == 9) && a15 == 4) && 5 == a12) && 0 < a18 + 156)) || ((a15 <= 3 && a12 == 6) && !(a16 == 9))) || ((a15 == 4 && a12 == 6) && a16 <= 11)) || (a15 <= 3 && 7 == a12)) || ((((a16 <= 8 && a12 == 9) && a16 == 8) && a15 == 4) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || ((a16 == 9 && a15 == 4) && a12 == 8)) || ((a12 == 9 && 0 <= 44 + a18) && a15 == 3)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((a16 == 9 && a15 == 4) && 7 == a12)) || ((a16 == 8 && a15 == 4) && 5 == a12)) || (((a15 <= 3 && (!(a18 + 156 <= 0) || !(a16 == 12))) && 5 == a12) && !(a16 == 9))) || (a16 <= 8 && a15 <= 3)) || (((a16 == 8 && a15 == 4) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 7 == a12)) || ((((a15 == 4 && a18 / -2 + 79 <= 0) && 5 == a12) && !(a16 == 9)) && a16 <= 11)) || ((a12 == 9 && a15 <= 3) && !(a16 == 9))) || ((((a16 <= 8 && a16 == 8) && a15 == 4) && a12 == 8) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || (((((a18 + 79 <= 0 && !(input == 1)) && a16 == 9) && a15 == 4) && 391209 + a18 <= 0) && 5 == a12)) || (((a16 <= 8 && a12 == 9) && a15 == 4) && a18 / -2 + 79 <= 0) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-19 12:36:09,962 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