./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem15_label19.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 2d6129311caad436efd8aeb5ae8e8416588f34a9e58c3ca845c70b3697b0a672 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 01:19:14,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 01:19:14,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 01:19:14,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 01:19:14,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 01:19:14,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 01:19:14,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 01:19:14,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 01:19:14,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 01:19:14,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 01:19:14,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 01:19:14,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 01:19:14,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 01:19:14,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 01:19:14,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 01:19:14,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 01:19:14,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 01:19:14,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 01:19:14,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 01:19:14,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 01:19:14,187 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 01:19:14,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 01:19:14,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 01:19:14,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 01:19:14,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 01:19:14,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 01:19:14,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 01:19:14,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 01:19:14,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 01:19:14,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 01:19:14,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 01:19:14,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 01:19:14,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 01:19:14,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 01:19:14,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 01:19:14,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 01:19:14,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 01:19:14,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 01:19:14,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 01:19:14,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 01:19:14,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 01:19:14,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 01:19:14,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 01:19:14,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 01:19:14,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 01:19:14,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 01:19:14,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 01:19:14,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 01:19:14,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 01:19:14,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 01:19:14,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 01:19:14,228 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 01:19:14,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 01:19:14,228 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 01:19:14,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 01:19:14,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 01:19:14,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 01:19:14,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 01:19:14,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 01:19:14,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 01:19:14,229 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 01:19:14,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 01:19:14,230 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 01:19:14,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 01:19:14,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 01:19:14,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 01:19:14,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 01:19:14,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 01:19:14,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 01:19:14,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 01:19:14,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 01:19:14,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 01:19:14,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 01:19:14,232 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 01:19:14,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 01:19:14,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 01:19:14,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d6129311caad436efd8aeb5ae8e8416588f34a9e58c3ca845c70b3697b0a672 [2022-07-12 01:19:14,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 01:19:14,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 01:19:14,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 01:19:14,445 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 01:19:14,446 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 01:19:14,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label19.c [2022-07-12 01:19:14,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb7704241/b9b7f916d71e497cbfe6a52c791fc30b/FLAG189d0d7b8 [2022-07-12 01:19:14,954 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 01:19:14,963 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label19.c [2022-07-12 01:19:14,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb7704241/b9b7f916d71e497cbfe6a52c791fc30b/FLAG189d0d7b8 [2022-07-12 01:19:15,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb7704241/b9b7f916d71e497cbfe6a52c791fc30b [2022-07-12 01:19:15,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 01:19:15,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 01:19:15,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 01:19:15,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 01:19:15,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 01:19:15,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:19:15" (1/1) ... [2022-07-12 01:19:15,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29459ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:15, skipping insertion in model container [2022-07-12 01:19:15,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:19:15" (1/1) ... [2022-07-12 01:19:15,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 01:19:15,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 01:19:15,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label19.c[5585,5598] [2022-07-12 01:19:16,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 01:19:16,029 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 01:19:16,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label19.c[5585,5598] [2022-07-12 01:19:16,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 01:19:16,177 INFO L208 MainTranslator]: Completed translation [2022-07-12 01:19:16,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16 WrapperNode [2022-07-12 01:19:16,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 01:19:16,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 01:19:16,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 01:19:16,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 01:19:16,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16" (1/1) ... [2022-07-12 01:19:16,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16" (1/1) ... [2022-07-12 01:19:16,331 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-12 01:19:16,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 01:19:16,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 01:19:16,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 01:19:16,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 01:19:16,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16" (1/1) ... [2022-07-12 01:19:16,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16" (1/1) ... [2022-07-12 01:19:16,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16" (1/1) ... [2022-07-12 01:19:16,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16" (1/1) ... [2022-07-12 01:19:16,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16" (1/1) ... [2022-07-12 01:19:16,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16" (1/1) ... [2022-07-12 01:19:16,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16" (1/1) ... [2022-07-12 01:19:16,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 01:19:16,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 01:19:16,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 01:19:16,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 01:19:16,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16" (1/1) ... [2022-07-12 01:19:16,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 01:19:16,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:19:16,552 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) [2022-07-12 01:19:16,562 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 [2022-07-12 01:19:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 01:19:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 01:19:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 01:19:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 01:19:16,619 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 01:19:16,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 01:19:18,385 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 01:19:18,407 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 01:19:18,407 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 01:19:18,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:19:18 BoogieIcfgContainer [2022-07-12 01:19:18,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 01:19:18,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 01:19:18,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 01:19:18,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 01:19:18,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:19:15" (1/3) ... [2022-07-12 01:19:18,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0ce07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:19:18, skipping insertion in model container [2022-07-12 01:19:18,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:19:16" (2/3) ... [2022-07-12 01:19:18,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0ce07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:19:18, skipping insertion in model container [2022-07-12 01:19:18,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:19:18" (3/3) ... [2022-07-12 01:19:18,416 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label19.c [2022-07-12 01:19:18,426 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 01:19:18,426 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 01:19:18,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 01:19:18,484 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@c77ee5e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@16a963b3 [2022-07-12 01:19:18,484 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 01:19:18,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-12 01:19:18,499 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:18,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:18,500 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:18,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:18,504 INFO L85 PathProgramCache]: Analyzing trace with hash -2068820151, now seen corresponding path program 1 times [2022-07-12 01:19:18,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:18,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221440480] [2022-07-12 01:19:18,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:18,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 01:19:18,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:18,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221440480] [2022-07-12 01:19:18,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221440480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:18,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:18,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 01:19:18,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586568529] [2022-07-12 01:19:18,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:18,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:18,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:18,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:18,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:18,773 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:20,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:20,472 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2022-07-12 01:19:20,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:20,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-07-12 01:19:20,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:20,484 INFO L225 Difference]: With dead ends: 1154 [2022-07-12 01:19:20,484 INFO L226 Difference]: Without dead ends: 665 [2022-07-12 01:19:20,487 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 [2022-07-12 01:19:20,489 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 276 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:20,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 01:19:20,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-07-12 01:19:20,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-07-12 01:19:20,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:20,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2022-07-12 01:19:20,538 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 45 [2022-07-12 01:19:20,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:20,539 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2022-07-12 01:19:20,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2022-07-12 01:19:20,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-12 01:19:20,541 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:20,541 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:20,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 01:19:20,542 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:20,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:20,542 INFO L85 PathProgramCache]: Analyzing trace with hash 416619247, now seen corresponding path program 1 times [2022-07-12 01:19:20,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:20,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835833396] [2022-07-12 01:19:20,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:20,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 01:19:20,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:20,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835833396] [2022-07-12 01:19:20,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835833396] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:20,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:20,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 01:19:20,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338300245] [2022-07-12 01:19:20,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:20,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:20,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:20,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:20,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:20,697 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:21,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:21,857 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2022-07-12 01:19:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:21,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-07-12 01:19:21,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:21,860 INFO L225 Difference]: With dead ends: 1624 [2022-07-12 01:19:21,861 INFO L226 Difference]: Without dead ends: 963 [2022-07-12 01:19:21,862 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 [2022-07-12 01:19:21,862 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:21,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 01:19:21,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-07-12 01:19:21,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2022-07-12 01:19:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2022-07-12 01:19:21,885 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 110 [2022-07-12 01:19:21,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:21,886 INFO L495 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2022-07-12 01:19:21,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:21,886 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2022-07-12 01:19:21,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-12 01:19:21,888 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:21,888 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:21,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 01:19:21,889 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:21,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:21,889 INFO L85 PathProgramCache]: Analyzing trace with hash 399406558, now seen corresponding path program 1 times [2022-07-12 01:19:21,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:21,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364141013] [2022-07-12 01:19:21,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:21,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 01:19:22,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:22,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364141013] [2022-07-12 01:19:22,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364141013] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:22,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:22,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 01:19:22,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275880934] [2022-07-12 01:19:22,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:22,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 01:19:22,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:22,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 01:19:22,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 01:19:22,018 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:23,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:23,617 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2022-07-12 01:19:23,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 01:19:23,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-07-12 01:19:23,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:23,622 INFO L225 Difference]: With dead ends: 2244 [2022-07-12 01:19:23,622 INFO L226 Difference]: Without dead ends: 1582 [2022-07-12 01:19:23,623 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 [2022-07-12 01:19:23,624 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 363 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:23,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 362 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 01:19:23,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-07-12 01:19:23,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2022-07-12 01:19:23,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3051383399209486) internal successors, (1651), 1265 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:23,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1651 transitions. [2022-07-12 01:19:23,646 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1651 transitions. Word has length 115 [2022-07-12 01:19:23,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:23,648 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 1651 transitions. [2022-07-12 01:19:23,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:23,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1651 transitions. [2022-07-12 01:19:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-12 01:19:23,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:23,653 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:23,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 01:19:23,653 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:23,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:23,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1837727490, now seen corresponding path program 1 times [2022-07-12 01:19:23,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:23,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639010257] [2022-07-12 01:19:23,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:23,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 01:19:23,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:23,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639010257] [2022-07-12 01:19:23,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639010257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:23,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:23,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:23,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205678843] [2022-07-12 01:19:23,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:23,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:23,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:23,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:23,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:23,762 INFO L87 Difference]: Start difference. First operand 1266 states and 1651 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:24,887 INFO L93 Difference]: Finished difference Result 3133 states and 4193 transitions. [2022-07-12 01:19:24,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:24,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-07-12 01:19:24,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:24,897 INFO L225 Difference]: With dead ends: 3133 [2022-07-12 01:19:24,897 INFO L226 Difference]: Without dead ends: 1869 [2022-07-12 01:19:24,898 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 [2022-07-12 01:19:24,899 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 299 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:24,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 614 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 01:19:24,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2022-07-12 01:19:24,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1869. [2022-07-12 01:19:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1869 states, 1868 states have (on average 1.2441113490364026) internal successors, (2324), 1868 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:24,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1869 states and 2324 transitions. [2022-07-12 01:19:24,933 INFO L78 Accepts]: Start accepts. Automaton has 1869 states and 2324 transitions. Word has length 136 [2022-07-12 01:19:24,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:24,934 INFO L495 AbstractCegarLoop]: Abstraction has 1869 states and 2324 transitions. [2022-07-12 01:19:24,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:24,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2324 transitions. [2022-07-12 01:19:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-12 01:19:24,936 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:24,936 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:24,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 01:19:24,937 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:24,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:24,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1409965138, now seen corresponding path program 1 times [2022-07-12 01:19:24,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:24,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004923863] [2022-07-12 01:19:24,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:24,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:25,036 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-07-12 01:19:25,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:25,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004923863] [2022-07-12 01:19:25,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004923863] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:25,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:25,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 01:19:25,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716253093] [2022-07-12 01:19:25,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:25,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:25,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:25,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:25,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:25,039 INFO L87 Difference]: Start difference. First operand 1869 states and 2324 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:26,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:26,136 INFO L93 Difference]: Finished difference Result 5240 states and 6569 transitions. [2022-07-12 01:19:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:26,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2022-07-12 01:19:26,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:26,149 INFO L225 Difference]: With dead ends: 5240 [2022-07-12 01:19:26,150 INFO L226 Difference]: Without dead ends: 2775 [2022-07-12 01:19:26,153 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 [2022-07-12 01:19:26,153 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 257 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:26,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 333 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 01:19:26,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2775 states. [2022-07-12 01:19:26,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2775 to 2771. [2022-07-12 01:19:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2770 states have (on average 1.151985559566787) internal successors, (3191), 2770 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3191 transitions. [2022-07-12 01:19:26,189 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3191 transitions. Word has length 204 [2022-07-12 01:19:26,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:26,190 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3191 transitions. [2022-07-12 01:19:26,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:26,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3191 transitions. [2022-07-12 01:19:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-12 01:19:26,192 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:26,192 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:26,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 01:19:26,193 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:26,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:26,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1954499346, now seen corresponding path program 1 times [2022-07-12 01:19:26,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:26,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784077968] [2022-07-12 01:19:26,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:26,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 01:19:26,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:26,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784077968] [2022-07-12 01:19:26,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784077968] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:26,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:26,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:26,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799849931] [2022-07-12 01:19:26,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:26,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 01:19:26,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:26,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 01:19:26,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 01:19:26,328 INFO L87 Difference]: Start difference. First operand 2771 states and 3191 transitions. Second operand has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:28,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:28,290 INFO L93 Difference]: Finished difference Result 8252 states and 9471 transitions. [2022-07-12 01:19:28,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 01:19:28,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 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 278 [2022-07-12 01:19:28,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:28,305 INFO L225 Difference]: With dead ends: 8252 [2022-07-12 01:19:28,305 INFO L226 Difference]: Without dead ends: 5184 [2022-07-12 01:19:28,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 01:19:28,310 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 464 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1716 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 1716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:28,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 123 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 1716 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 01:19:28,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2022-07-12 01:19:28,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 4574. [2022-07-12 01:19:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4574 states, 4573 states have (on average 1.1550404548436475) internal successors, (5282), 4573 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4574 states to 4574 states and 5282 transitions. [2022-07-12 01:19:28,374 INFO L78 Accepts]: Start accepts. Automaton has 4574 states and 5282 transitions. Word has length 278 [2022-07-12 01:19:28,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:28,375 INFO L495 AbstractCegarLoop]: Abstraction has 4574 states and 5282 transitions. [2022-07-12 01:19:28,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 4574 states and 5282 transitions. [2022-07-12 01:19:28,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-07-12 01:19:28,378 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:28,379 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:28,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 01:19:28,379 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:28,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:28,380 INFO L85 PathProgramCache]: Analyzing trace with hash -499462257, now seen corresponding path program 1 times [2022-07-12 01:19:28,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:28,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963323503] [2022-07-12 01:19:28,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:28,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-12 01:19:28,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:28,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963323503] [2022-07-12 01:19:28,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963323503] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:28,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:28,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 01:19:28,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960880249] [2022-07-12 01:19:28,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:28,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:28,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:28,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:28,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:28,516 INFO L87 Difference]: Start difference. First operand 4574 states and 5282 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:29,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:29,506 INFO L93 Difference]: Finished difference Result 8847 states and 10259 transitions. [2022-07-12 01:19:29,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:29,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 0 states have call successors, (0), 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 322 [2022-07-12 01:19:29,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:29,517 INFO L225 Difference]: With dead ends: 8847 [2022-07-12 01:19:29,517 INFO L226 Difference]: Without dead ends: 4574 [2022-07-12 01:19:29,521 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 [2022-07-12 01:19:29,522 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:29,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 305 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 01:19:29,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-07-12 01:19:29,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 4574. [2022-07-12 01:19:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4574 states, 4573 states have (on average 1.1546031051825936) internal successors, (5280), 4573 states have internal predecessors, (5280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4574 states to 4574 states and 5280 transitions. [2022-07-12 01:19:29,580 INFO L78 Accepts]: Start accepts. Automaton has 4574 states and 5280 transitions. Word has length 322 [2022-07-12 01:19:29,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:29,581 INFO L495 AbstractCegarLoop]: Abstraction has 4574 states and 5280 transitions. [2022-07-12 01:19:29,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4574 states and 5280 transitions. [2022-07-12 01:19:29,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2022-07-12 01:19:29,584 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:29,584 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:29,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 01:19:29,585 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:29,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:29,585 INFO L85 PathProgramCache]: Analyzing trace with hash -511012063, now seen corresponding path program 1 times [2022-07-12 01:19:29,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:29,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834128208] [2022-07-12 01:19:29,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:29,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 85 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 01:19:29,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:29,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834128208] [2022-07-12 01:19:29,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834128208] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 01:19:29,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926842551] [2022-07-12 01:19:29,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:29,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:19:29,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:19:29,856 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) [2022-07-12 01:19:29,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 01:19:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:29,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 01:19:29,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 01:19:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-07-12 01:19:30,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 01:19:30,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926842551] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:30,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 01:19:30,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-12 01:19:30,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264453851] [2022-07-12 01:19:30,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:30,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:30,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:30,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:30,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 01:19:30,061 INFO L87 Difference]: Start difference. First operand 4574 states and 5280 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:31,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:31,109 INFO L93 Difference]: Finished difference Result 8848 states and 10260 transitions. [2022-07-12 01:19:31,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:31,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 396 [2022-07-12 01:19:31,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:31,121 INFO L225 Difference]: With dead ends: 8848 [2022-07-12 01:19:31,121 INFO L226 Difference]: Without dead ends: 4575 [2022-07-12 01:19:31,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 01:19:31,125 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 340 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:31,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 415 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 01:19:31,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2022-07-12 01:19:31,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 3971. [2022-07-12 01:19:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3971 states, 3970 states have (on average 1.1428211586901764) internal successors, (4537), 3970 states have internal predecessors, (4537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3971 states and 4537 transitions. [2022-07-12 01:19:31,192 INFO L78 Accepts]: Start accepts. Automaton has 3971 states and 4537 transitions. Word has length 396 [2022-07-12 01:19:31,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:31,193 INFO L495 AbstractCegarLoop]: Abstraction has 3971 states and 4537 transitions. [2022-07-12 01:19:31,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 4537 transitions. [2022-07-12 01:19:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-12 01:19:31,198 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:31,198 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:31,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 01:19:31,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:19:31,421 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:31,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:31,422 INFO L85 PathProgramCache]: Analyzing trace with hash -914486025, now seen corresponding path program 1 times [2022-07-12 01:19:31,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:31,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201762757] [2022-07-12 01:19:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:31,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 85 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 01:19:31,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:31,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201762757] [2022-07-12 01:19:31,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201762757] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 01:19:31,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455195837] [2022-07-12 01:19:31,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:31,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:19:31,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:19:31,630 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) [2022-07-12 01:19:31,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 01:19:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:31,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 01:19:31,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 01:19:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 01:19:31,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 01:19:31,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455195837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:31,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 01:19:31,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-12 01:19:31,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198488692] [2022-07-12 01:19:31,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:31,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:31,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:31,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:31,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 01:19:31,870 INFO L87 Difference]: Start difference. First operand 3971 states and 4537 transitions. Second operand has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:32,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:32,880 INFO L93 Difference]: Finished difference Result 9445 states and 11013 transitions. [2022-07-12 01:19:32,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:32,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 402 [2022-07-12 01:19:32,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:32,894 INFO L225 Difference]: With dead ends: 9445 [2022-07-12 01:19:32,894 INFO L226 Difference]: Without dead ends: 5775 [2022-07-12 01:19:32,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 01:19:32,897 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 245 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:32,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 269 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 01:19:32,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5775 states. [2022-07-12 01:19:32,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5775 to 5769. [2022-07-12 01:19:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5769 states, 5768 states have (on average 1.1191054091539527) internal successors, (6455), 5768 states have internal predecessors, (6455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5769 states to 5769 states and 6455 transitions. [2022-07-12 01:19:32,955 INFO L78 Accepts]: Start accepts. Automaton has 5769 states and 6455 transitions. Word has length 402 [2022-07-12 01:19:32,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:32,955 INFO L495 AbstractCegarLoop]: Abstraction has 5769 states and 6455 transitions. [2022-07-12 01:19:32,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 5769 states and 6455 transitions. [2022-07-12 01:19:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-12 01:19:32,958 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:32,958 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:32,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 01:19:33,171 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,SelfDestructingSolverStorable8 [2022-07-12 01:19:33,172 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:33,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:33,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1007889848, now seen corresponding path program 1 times [2022-07-12 01:19:33,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:33,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577320698] [2022-07-12 01:19:33,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:33,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:33,371 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-12 01:19:33,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:33,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577320698] [2022-07-12 01:19:33,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577320698] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:33,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:33,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:33,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249531902] [2022-07-12 01:19:33,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:33,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 01:19:33,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:33,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 01:19:33,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 01:19:33,374 INFO L87 Difference]: Start difference. First operand 5769 states and 6455 transitions. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:35,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:35,440 INFO L93 Difference]: Finished difference Result 13347 states and 15010 transitions. [2022-07-12 01:19:35,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 01:19:35,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 458 [2022-07-12 01:19:35,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:35,454 INFO L225 Difference]: With dead ends: 13347 [2022-07-12 01:19:35,458 INFO L226 Difference]: Without dead ends: 7580 [2022-07-12 01:19:35,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 01:19:35,464 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 432 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1703 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 1703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:35,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 126 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 1703 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 01:19:35,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7580 states. [2022-07-12 01:19:35,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7580 to 5772. [2022-07-12 01:19:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5772 states, 5771 states have (on average 1.1178305319701958) internal successors, (6451), 5771 states have internal predecessors, (6451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:35,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5772 states to 5772 states and 6451 transitions. [2022-07-12 01:19:35,525 INFO L78 Accepts]: Start accepts. Automaton has 5772 states and 6451 transitions. Word has length 458 [2022-07-12 01:19:35,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:35,526 INFO L495 AbstractCegarLoop]: Abstraction has 5772 states and 6451 transitions. [2022-07-12 01:19:35,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 5772 states and 6451 transitions. [2022-07-12 01:19:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2022-07-12 01:19:35,529 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:35,529 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:35,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 01:19:35,530 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:35,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:35,531 INFO L85 PathProgramCache]: Analyzing trace with hash -113832913, now seen corresponding path program 1 times [2022-07-12 01:19:35,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:35,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475779699] [2022-07-12 01:19:35,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:35,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-12 01:19:35,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:35,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475779699] [2022-07-12 01:19:35,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475779699] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:35,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:35,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:35,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284943039] [2022-07-12 01:19:35,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:35,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:35,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:35,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:35,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:35,691 INFO L87 Difference]: Start difference. First operand 5772 states and 6451 transitions. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:36,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:36,721 INFO L93 Difference]: Finished difference Result 13043 states and 14831 transitions. [2022-07-12 01:19:36,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:36,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 496 [2022-07-12 01:19:36,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:36,739 INFO L225 Difference]: With dead ends: 13043 [2022-07-12 01:19:36,740 INFO L226 Difference]: Without dead ends: 7572 [2022-07-12 01:19:36,744 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 [2022-07-12 01:19:36,745 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 249 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:36,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 567 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 01:19:36,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7572 states. [2022-07-12 01:19:36,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7572 to 7566. [2022-07-12 01:19:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7566 states, 7565 states have (on average 1.1068076668869795) internal successors, (8373), 7565 states have internal predecessors, (8373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7566 states to 7566 states and 8373 transitions. [2022-07-12 01:19:36,817 INFO L78 Accepts]: Start accepts. Automaton has 7566 states and 8373 transitions. Word has length 496 [2022-07-12 01:19:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:36,818 INFO L495 AbstractCegarLoop]: Abstraction has 7566 states and 8373 transitions. [2022-07-12 01:19:36,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 7566 states and 8373 transitions. [2022-07-12 01:19:36,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2022-07-12 01:19:36,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:36,823 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:36,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 01:19:36,823 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:36,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:36,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1770248904, now seen corresponding path program 1 times [2022-07-12 01:19:36,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:36,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223715579] [2022-07-12 01:19:36,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:36,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:36,967 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-07-12 01:19:36,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:36,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223715579] [2022-07-12 01:19:36,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223715579] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:36,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:36,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:36,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869769647] [2022-07-12 01:19:36,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:36,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:36,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:36,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:36,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:36,970 INFO L87 Difference]: Start difference. First operand 7566 states and 8373 transitions. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:38,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:38,005 INFO L93 Difference]: Finished difference Result 17821 states and 19987 transitions. [2022-07-12 01:19:38,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:38,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 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 555 [2022-07-12 01:19:38,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:38,020 INFO L225 Difference]: With dead ends: 17821 [2022-07-12 01:19:38,020 INFO L226 Difference]: Without dead ends: 9958 [2022-07-12 01:19:38,026 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 [2022-07-12 01:19:38,027 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 249 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:38,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 304 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 01:19:38,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9958 states. [2022-07-12 01:19:38,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9958 to 6364. [2022-07-12 01:19:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6364 states, 6363 states have (on average 1.0936665095080937) internal successors, (6959), 6363 states have internal predecessors, (6959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6364 states to 6364 states and 6959 transitions. [2022-07-12 01:19:38,104 INFO L78 Accepts]: Start accepts. Automaton has 6364 states and 6959 transitions. Word has length 555 [2022-07-12 01:19:38,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:38,105 INFO L495 AbstractCegarLoop]: Abstraction has 6364 states and 6959 transitions. [2022-07-12 01:19:38,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:38,105 INFO L276 IsEmpty]: Start isEmpty. Operand 6364 states and 6959 transitions. [2022-07-12 01:19:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-07-12 01:19:38,110 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:38,110 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:38,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 01:19:38,110 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:38,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:38,111 INFO L85 PathProgramCache]: Analyzing trace with hash -910889367, now seen corresponding path program 1 times [2022-07-12 01:19:38,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:38,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663627118] [2022-07-12 01:19:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:38,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2022-07-12 01:19:38,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:38,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663627118] [2022-07-12 01:19:38,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663627118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:38,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:38,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:38,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446540680] [2022-07-12 01:19:38,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:38,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:38,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:38,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:38,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:38,286 INFO L87 Difference]: Start difference. First operand 6364 states and 6959 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:39,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:39,376 INFO L93 Difference]: Finished difference Result 16924 states and 18582 transitions. [2022-07-12 01:19:39,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:39,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 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 612 [2022-07-12 01:19:39,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:39,391 INFO L225 Difference]: With dead ends: 16924 [2022-07-12 01:19:39,391 INFO L226 Difference]: Without dead ends: 10861 [2022-07-12 01:19:39,397 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 [2022-07-12 01:19:39,398 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 253 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:39,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 571 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 01:19:39,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states. [2022-07-12 01:19:39,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 10852. [2022-07-12 01:19:39,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10852 states, 10851 states have (on average 1.081467145885172) internal successors, (11735), 10851 states have internal predecessors, (11735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:39,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10852 states to 10852 states and 11735 transitions. [2022-07-12 01:19:39,507 INFO L78 Accepts]: Start accepts. Automaton has 10852 states and 11735 transitions. Word has length 612 [2022-07-12 01:19:39,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:39,508 INFO L495 AbstractCegarLoop]: Abstraction has 10852 states and 11735 transitions. [2022-07-12 01:19:39,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 10852 states and 11735 transitions. [2022-07-12 01:19:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2022-07-12 01:19:39,514 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:39,516 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:39,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 01:19:39,516 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:39,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:39,517 INFO L85 PathProgramCache]: Analyzing trace with hash -319513019, now seen corresponding path program 1 times [2022-07-12 01:19:39,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:39,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528675773] [2022-07-12 01:19:39,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:39,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2022-07-12 01:19:39,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:39,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528675773] [2022-07-12 01:19:39,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528675773] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:39,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:39,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:39,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696585706] [2022-07-12 01:19:39,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:39,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:39,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:39,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:39,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:39,683 INFO L87 Difference]: Start difference. First operand 10852 states and 11735 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:40,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:40,775 INFO L93 Difference]: Finished difference Result 23794 states and 25820 transitions. [2022-07-12 01:19:40,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:40,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 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 619 [2022-07-12 01:19:40,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:40,793 INFO L225 Difference]: With dead ends: 23794 [2022-07-12 01:19:40,794 INFO L226 Difference]: Without dead ends: 13243 [2022-07-12 01:19:40,802 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 [2022-07-12 01:19:40,803 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 301 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:40,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 421 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 01:19:40,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13243 states. [2022-07-12 01:19:40,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13243 to 11150. [2022-07-12 01:19:40,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11150 states, 11149 states have (on average 1.0841331061081712) internal successors, (12087), 11149 states have internal predecessors, (12087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:40,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11150 states to 11150 states and 12087 transitions. [2022-07-12 01:19:40,914 INFO L78 Accepts]: Start accepts. Automaton has 11150 states and 12087 transitions. Word has length 619 [2022-07-12 01:19:40,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:40,914 INFO L495 AbstractCegarLoop]: Abstraction has 11150 states and 12087 transitions. [2022-07-12 01:19:40,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:40,915 INFO L276 IsEmpty]: Start isEmpty. Operand 11150 states and 12087 transitions. [2022-07-12 01:19:40,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2022-07-12 01:19:40,921 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:40,921 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:40,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 01:19:40,922 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:40,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:40,922 INFO L85 PathProgramCache]: Analyzing trace with hash -618040794, now seen corresponding path program 1 times [2022-07-12 01:19:40,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:40,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184900502] [2022-07-12 01:19:40,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:40,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-12 01:19:41,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:41,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184900502] [2022-07-12 01:19:41,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184900502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:41,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:41,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:41,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773209169] [2022-07-12 01:19:41,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:41,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:41,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:41,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:41,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:41,069 INFO L87 Difference]: Start difference. First operand 11150 states and 12087 transitions. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:42,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:42,005 INFO L93 Difference]: Finished difference Result 22296 states and 24174 transitions. [2022-07-12 01:19:42,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:42,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 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 620 [2022-07-12 01:19:42,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:42,018 INFO L225 Difference]: With dead ends: 22296 [2022-07-12 01:19:42,019 INFO L226 Difference]: Without dead ends: 11447 [2022-07-12 01:19:42,028 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 [2022-07-12 01:19:42,029 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 440 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:42,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 70 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 01:19:42,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11447 states. [2022-07-12 01:19:42,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11447 to 11148. [2022-07-12 01:19:42,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11148 states, 11147 states have (on average 1.0839687808378935) internal successors, (12083), 11147 states have internal predecessors, (12083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:42,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11148 states to 11148 states and 12083 transitions. [2022-07-12 01:19:42,131 INFO L78 Accepts]: Start accepts. Automaton has 11148 states and 12083 transitions. Word has length 620 [2022-07-12 01:19:42,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:42,132 INFO L495 AbstractCegarLoop]: Abstraction has 11148 states and 12083 transitions. [2022-07-12 01:19:42,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 11148 states and 12083 transitions. [2022-07-12 01:19:42,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2022-07-12 01:19:42,139 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:42,140 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:42,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 01:19:42,140 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:42,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:42,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1433195426, now seen corresponding path program 1 times [2022-07-12 01:19:42,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:42,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144302501] [2022-07-12 01:19:42,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:42,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:42,310 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2022-07-12 01:19:42,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:42,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144302501] [2022-07-12 01:19:42,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144302501] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:42,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:42,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:42,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885125636] [2022-07-12 01:19:42,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:42,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:42,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:42,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:42,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:42,312 INFO L87 Difference]: Start difference. First operand 11148 states and 12083 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:43,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:43,317 INFO L93 Difference]: Finished difference Result 26777 states and 29123 transitions. [2022-07-12 01:19:43,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:43,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 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 642 [2022-07-12 01:19:43,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:43,335 INFO L225 Difference]: With dead ends: 26777 [2022-07-12 01:19:43,335 INFO L226 Difference]: Without dead ends: 15930 [2022-07-12 01:19:43,342 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 [2022-07-12 01:19:43,342 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 296 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:43,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 204 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 01:19:43,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15930 states. [2022-07-12 01:19:43,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15930 to 13239. [2022-07-12 01:19:43,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13239 states, 13238 states have (on average 1.0769753739235535) internal successors, (14257), 13238 states have internal predecessors, (14257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13239 states to 13239 states and 14257 transitions. [2022-07-12 01:19:43,466 INFO L78 Accepts]: Start accepts. Automaton has 13239 states and 14257 transitions. Word has length 642 [2022-07-12 01:19:43,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:43,467 INFO L495 AbstractCegarLoop]: Abstraction has 13239 states and 14257 transitions. [2022-07-12 01:19:43,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 13239 states and 14257 transitions. [2022-07-12 01:19:43,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2022-07-12 01:19:43,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:43,478 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:43,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 01:19:43,478 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:43,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:43,479 INFO L85 PathProgramCache]: Analyzing trace with hash 954069855, now seen corresponding path program 1 times [2022-07-12 01:19:43,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:43,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220099924] [2022-07-12 01:19:43,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:43,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-07-12 01:19:43,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:43,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220099924] [2022-07-12 01:19:43,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220099924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:43,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:43,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:43,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869309615] [2022-07-12 01:19:43,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:43,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:43,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:43,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:43,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:43,728 INFO L87 Difference]: Start difference. First operand 13239 states and 14257 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) [2022-07-12 01:19:44,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:44,620 INFO L93 Difference]: Finished difference Result 26180 states and 28215 transitions. [2022-07-12 01:19:44,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:44,621 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 659 [2022-07-12 01:19:44,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:44,633 INFO L225 Difference]: With dead ends: 26180 [2022-07-12 01:19:44,634 INFO L226 Difference]: Without dead ends: 13242 [2022-07-12 01:19:44,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:44,642 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 295 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:44,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 122 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 01:19:44,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13242 states. [2022-07-12 01:19:44,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13242 to 13239. [2022-07-12 01:19:44,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13239 states, 13238 states have (on average 1.0683638011784258) internal successors, (14143), 13238 states have internal predecessors, (14143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13239 states to 13239 states and 14143 transitions. [2022-07-12 01:19:44,759 INFO L78 Accepts]: Start accepts. Automaton has 13239 states and 14143 transitions. Word has length 659 [2022-07-12 01:19:44,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:44,759 INFO L495 AbstractCegarLoop]: Abstraction has 13239 states and 14143 transitions. [2022-07-12 01:19:44,759 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) [2022-07-12 01:19:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 13239 states and 14143 transitions. [2022-07-12 01:19:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2022-07-12 01:19:44,767 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:44,767 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:44,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 01:19:44,768 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:44,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:44,768 INFO L85 PathProgramCache]: Analyzing trace with hash 335196122, now seen corresponding path program 1 times [2022-07-12 01:19:44,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:44,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583883541] [2022-07-12 01:19:44,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:44,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-07-12 01:19:44,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:44,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583883541] [2022-07-12 01:19:44,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583883541] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:44,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:44,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:44,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039258923] [2022-07-12 01:19:44,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:44,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:44,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:44,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:44,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:44,995 INFO L87 Difference]: Start difference. First operand 13239 states and 14143 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) [2022-07-12 01:19:46,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:46,118 INFO L93 Difference]: Finished difference Result 30385 states and 32488 transitions. [2022-07-12 01:19:46,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:46,119 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 661 [2022-07-12 01:19:46,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:46,137 INFO L225 Difference]: With dead ends: 30385 [2022-07-12 01:19:46,137 INFO L226 Difference]: Without dead ends: 17447 [2022-07-12 01:19:46,147 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 [2022-07-12 01:19:46,148 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:46,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 566 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 01:19:46,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17447 states. [2022-07-12 01:19:46,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17447 to 16838. [2022-07-12 01:19:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16838 states, 16837 states have (on average 1.0626002256934133) internal successors, (17891), 16837 states have internal predecessors, (17891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16838 states to 16838 states and 17891 transitions. [2022-07-12 01:19:46,298 INFO L78 Accepts]: Start accepts. Automaton has 16838 states and 17891 transitions. Word has length 661 [2022-07-12 01:19:46,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:46,298 INFO L495 AbstractCegarLoop]: Abstraction has 16838 states and 17891 transitions. [2022-07-12 01:19:46,299 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) [2022-07-12 01:19:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 16838 states and 17891 transitions. [2022-07-12 01:19:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2022-07-12 01:19:46,306 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:46,307 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:46,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 01:19:46,307 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:46,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:46,308 INFO L85 PathProgramCache]: Analyzing trace with hash 308478291, now seen corresponding path program 1 times [2022-07-12 01:19:46,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:46,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503762292] [2022-07-12 01:19:46,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:46,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 485 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-07-12 01:19:46,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:46,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503762292] [2022-07-12 01:19:46,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503762292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:46,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:46,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:46,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872326233] [2022-07-12 01:19:46,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:46,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:46,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:46,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:46,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:46,560 INFO L87 Difference]: Start difference. First operand 16838 states and 17891 transitions. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:47,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:47,554 INFO L93 Difference]: Finished difference Result 35767 states and 38196 transitions. [2022-07-12 01:19:47,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:47,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 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 677 [2022-07-12 01:19:47,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:47,574 INFO L225 Difference]: With dead ends: 35767 [2022-07-12 01:19:47,574 INFO L226 Difference]: Without dead ends: 19230 [2022-07-12 01:19:47,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:47,586 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 260 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:47,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 140 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 01:19:47,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19230 states. [2022-07-12 01:19:47,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19230 to 19230. [2022-07-12 01:19:47,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19230 states, 19229 states have (on average 1.062613760465963) internal successors, (20433), 19229 states have internal predecessors, (20433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19230 states to 19230 states and 20433 transitions. [2022-07-12 01:19:47,762 INFO L78 Accepts]: Start accepts. Automaton has 19230 states and 20433 transitions. Word has length 677 [2022-07-12 01:19:47,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:47,762 INFO L495 AbstractCegarLoop]: Abstraction has 19230 states and 20433 transitions. [2022-07-12 01:19:47,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 19230 states and 20433 transitions. [2022-07-12 01:19:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2022-07-12 01:19:47,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:47,772 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:47,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 01:19:47,772 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:47,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:47,773 INFO L85 PathProgramCache]: Analyzing trace with hash 151347988, now seen corresponding path program 1 times [2022-07-12 01:19:47,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:47,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791886706] [2022-07-12 01:19:47,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:47,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2022-07-12 01:19:48,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:48,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791886706] [2022-07-12 01:19:48,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791886706] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:48,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:48,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 01:19:48,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269166392] [2022-07-12 01:19:48,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:48,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 01:19:48,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:48,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 01:19:48,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 01:19:48,005 INFO L87 Difference]: Start difference. First operand 19230 states and 20433 transitions. Second operand has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:49,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:49,945 INFO L93 Difference]: Finished difference Result 47450 states and 50242 transitions. [2022-07-12 01:19:49,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 01:19:49,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 0 states have call successors, (0), 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 697 [2022-07-12 01:19:49,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:49,972 INFO L225 Difference]: With dead ends: 47450 [2022-07-12 01:19:49,972 INFO L226 Difference]: Without dead ends: 27923 [2022-07-12 01:19:49,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 01:19:49,986 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 554 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1652 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:49,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 121 Invalid, 1860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1652 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 01:19:50,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27923 states. [2022-07-12 01:19:50,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27923 to 19230. [2022-07-12 01:19:50,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19230 states, 19229 states have (on average 1.062613760465963) internal successors, (20433), 19229 states have internal predecessors, (20433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:50,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19230 states to 19230 states and 20433 transitions. [2022-07-12 01:19:50,208 INFO L78 Accepts]: Start accepts. Automaton has 19230 states and 20433 transitions. Word has length 697 [2022-07-12 01:19:50,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:50,209 INFO L495 AbstractCegarLoop]: Abstraction has 19230 states and 20433 transitions. [2022-07-12 01:19:50,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:50,209 INFO L276 IsEmpty]: Start isEmpty. Operand 19230 states and 20433 transitions. [2022-07-12 01:19:50,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2022-07-12 01:19:50,218 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:50,218 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:50,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 01:19:50,219 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:50,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:50,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1185725472, now seen corresponding path program 1 times [2022-07-12 01:19:50,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:50,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723136234] [2022-07-12 01:19:50,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:50,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-07-12 01:19:50,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:50,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723136234] [2022-07-12 01:19:50,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723136234] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:50,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:50,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:50,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329623859] [2022-07-12 01:19:50,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:50,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:50,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:50,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:50,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:50,401 INFO L87 Difference]: Start difference. First operand 19230 states and 20433 transitions. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:51,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:51,501 INFO L93 Difference]: Finished difference Result 40251 states and 42774 transitions. [2022-07-12 01:19:51,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:51,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 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 715 [2022-07-12 01:19:51,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:51,518 INFO L225 Difference]: With dead ends: 40251 [2022-07-12 01:19:51,518 INFO L226 Difference]: Without dead ends: 21322 [2022-07-12 01:19:51,527 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 [2022-07-12 01:19:51,528 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 219 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:51,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 152 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 01:19:51,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21322 states. [2022-07-12 01:19:51,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21322 to 20126. [2022-07-12 01:19:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20126 states, 20125 states have (on average 1.0575900621118013) internal successors, (21284), 20125 states have internal predecessors, (21284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20126 states to 20126 states and 21284 transitions. [2022-07-12 01:19:51,724 INFO L78 Accepts]: Start accepts. Automaton has 20126 states and 21284 transitions. Word has length 715 [2022-07-12 01:19:51,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:51,724 INFO L495 AbstractCegarLoop]: Abstraction has 20126 states and 21284 transitions. [2022-07-12 01:19:51,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:51,724 INFO L276 IsEmpty]: Start isEmpty. Operand 20126 states and 21284 transitions. [2022-07-12 01:19:51,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2022-07-12 01:19:51,738 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:51,738 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:51,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-12 01:19:51,738 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:51,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:51,739 INFO L85 PathProgramCache]: Analyzing trace with hash -413963863, now seen corresponding path program 1 times [2022-07-12 01:19:51,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:51,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678383614] [2022-07-12 01:19:51,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:51,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:51,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 1046 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-12 01:19:51,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:51,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678383614] [2022-07-12 01:19:51,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678383614] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:51,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:51,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 01:19:51,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196672801] [2022-07-12 01:19:51,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:51,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 01:19:51,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:51,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 01:19:51,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 01:19:51,942 INFO L87 Difference]: Start difference. First operand 20126 states and 21284 transitions. Second operand has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:53,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:53,485 INFO L93 Difference]: Finished difference Result 45929 states and 48524 transitions. [2022-07-12 01:19:53,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 01:19:53,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 0 states have call successors, (0), 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 827 [2022-07-12 01:19:53,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:53,504 INFO L225 Difference]: With dead ends: 45929 [2022-07-12 01:19:53,504 INFO L226 Difference]: Without dead ends: 20423 [2022-07-12 01:19:53,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 01:19:53,517 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 579 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 2056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:53,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 434 Invalid, 2056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 01:19:53,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20423 states. [2022-07-12 01:19:53,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20423 to 19523. [2022-07-12 01:19:53,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19523 states, 19522 states have (on average 1.038366970597275) internal successors, (20271), 19522 states have internal predecessors, (20271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19523 states to 19523 states and 20271 transitions. [2022-07-12 01:19:53,680 INFO L78 Accepts]: Start accepts. Automaton has 19523 states and 20271 transitions. Word has length 827 [2022-07-12 01:19:53,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:53,680 INFO L495 AbstractCegarLoop]: Abstraction has 19523 states and 20271 transitions. [2022-07-12 01:19:53,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:53,681 INFO L276 IsEmpty]: Start isEmpty. Operand 19523 states and 20271 transitions. [2022-07-12 01:19:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2022-07-12 01:19:53,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:53,692 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:53,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-12 01:19:53,693 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:53,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:53,693 INFO L85 PathProgramCache]: Analyzing trace with hash -2074746964, now seen corresponding path program 1 times [2022-07-12 01:19:53,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:53,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870514669] [2022-07-12 01:19:53,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:53,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 726 proven. 0 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2022-07-12 01:19:53,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:53,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870514669] [2022-07-12 01:19:53,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870514669] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:53,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:53,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:53,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334542893] [2022-07-12 01:19:53,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:53,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:53,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:53,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:53,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:53,894 INFO L87 Difference]: Start difference. First operand 19523 states and 20271 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:54,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:54,680 INFO L93 Difference]: Finished difference Result 40537 states and 42078 transitions. [2022-07-12 01:19:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:54,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 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 840 [2022-07-12 01:19:54,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:54,700 INFO L225 Difference]: With dead ends: 40537 [2022-07-12 01:19:54,700 INFO L226 Difference]: Without dead ends: 21315 [2022-07-12 01:19:54,712 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 [2022-07-12 01:19:54,713 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 337 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:54,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 457 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 01:19:54,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21315 states. [2022-07-12 01:19:54,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21315 to 16527. [2022-07-12 01:19:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16527 states, 16526 states have (on average 1.03679051192061) internal successors, (17134), 16526 states have internal predecessors, (17134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:54,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16527 states to 16527 states and 17134 transitions. [2022-07-12 01:19:54,876 INFO L78 Accepts]: Start accepts. Automaton has 16527 states and 17134 transitions. Word has length 840 [2022-07-12 01:19:54,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:54,876 INFO L495 AbstractCegarLoop]: Abstraction has 16527 states and 17134 transitions. [2022-07-12 01:19:54,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:54,877 INFO L276 IsEmpty]: Start isEmpty. Operand 16527 states and 17134 transitions. [2022-07-12 01:19:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2022-07-12 01:19:54,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:54,886 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:54,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-12 01:19:54,887 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:54,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:54,887 INFO L85 PathProgramCache]: Analyzing trace with hash -191244818, now seen corresponding path program 1 times [2022-07-12 01:19:54,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:54,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288704933] [2022-07-12 01:19:54,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:54,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:55,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1436 backedges. 718 proven. 0 refuted. 0 times theorem prover too weak. 718 trivial. 0 not checked. [2022-07-12 01:19:55,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:55,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288704933] [2022-07-12 01:19:55,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288704933] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:55,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:55,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 01:19:55,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887659115] [2022-07-12 01:19:55,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:55,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 01:19:55,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:55,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 01:19:55,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 01:19:55,124 INFO L87 Difference]: Start difference. First operand 16527 states and 17134 transitions. Second operand has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:56,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:56,468 INFO L93 Difference]: Finished difference Result 39945 states and 41365 transitions. [2022-07-12 01:19:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 01:19:56,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 875 [2022-07-12 01:19:56,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:56,491 INFO L225 Difference]: With dead ends: 39945 [2022-07-12 01:19:56,492 INFO L226 Difference]: Without dead ends: 23121 [2022-07-12 01:19:56,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 01:19:56,506 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 529 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:56,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 115 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 01:19:56,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23121 states. [2022-07-12 01:19:56,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23121 to 20719. [2022-07-12 01:19:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20719 states, 20718 states have (on average 1.035090259677575) internal successors, (21445), 20718 states have internal predecessors, (21445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20719 states to 20719 states and 21445 transitions. [2022-07-12 01:19:56,704 INFO L78 Accepts]: Start accepts. Automaton has 20719 states and 21445 transitions. Word has length 875 [2022-07-12 01:19:56,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:56,705 INFO L495 AbstractCegarLoop]: Abstraction has 20719 states and 21445 transitions. [2022-07-12 01:19:56,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:56,705 INFO L276 IsEmpty]: Start isEmpty. Operand 20719 states and 21445 transitions. [2022-07-12 01:19:56,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2022-07-12 01:19:56,715 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:56,715 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:56,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-12 01:19:56,716 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:56,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:56,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1057335585, now seen corresponding path program 1 times [2022-07-12 01:19:56,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:56,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729929009] [2022-07-12 01:19:56,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:56,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 1086 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-07-12 01:19:57,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:57,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729929009] [2022-07-12 01:19:57,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729929009] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:57,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:19:57,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:19:57,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774043711] [2022-07-12 01:19:57,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:57,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:19:57,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:57,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:19:57,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:57,011 INFO L87 Difference]: Start difference. First operand 20719 states and 21445 transitions. Second operand has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:57,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:19:57,770 INFO L93 Difference]: Finished difference Result 41144 states and 42596 transitions. [2022-07-12 01:19:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:19:57,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 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 891 [2022-07-12 01:19:57,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:19:57,789 INFO L225 Difference]: With dead ends: 41144 [2022-07-12 01:19:57,789 INFO L226 Difference]: Without dead ends: 20726 [2022-07-12 01:19:57,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:19:57,800 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 205 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 01:19:57,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 124 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 01:19:57,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20726 states. [2022-07-12 01:19:57,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20726 to 20719. [2022-07-12 01:19:57,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20719 states, 20718 states have (on average 1.0306979438169708) internal successors, (21354), 20718 states have internal predecessors, (21354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20719 states to 20719 states and 21354 transitions. [2022-07-12 01:19:57,975 INFO L78 Accepts]: Start accepts. Automaton has 20719 states and 21354 transitions. Word has length 891 [2022-07-12 01:19:57,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:19:57,976 INFO L495 AbstractCegarLoop]: Abstraction has 20719 states and 21354 transitions. [2022-07-12 01:19:57,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:19:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 20719 states and 21354 transitions. [2022-07-12 01:19:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 911 [2022-07-12 01:19:57,986 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:19:57,986 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:19:57,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-12 01:19:57,987 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:19:57,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:19:57,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1673407389, now seen corresponding path program 1 times [2022-07-12 01:19:57,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:19:57,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971199409] [2022-07-12 01:19:57,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:57,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:19:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1544 backedges. 1024 proven. 143 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-12 01:19:58,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:19:58,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971199409] [2022-07-12 01:19:58,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971199409] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 01:19:58,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628333096] [2022-07-12 01:19:58,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:19:58,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:19:58,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:19:58,315 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) [2022-07-12 01:19:58,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 01:19:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:19:58,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 01:19:58,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 01:19:58,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1544 backedges. 737 proven. 0 refuted. 0 times theorem prover too weak. 807 trivial. 0 not checked. [2022-07-12 01:19:58,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 01:19:58,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628333096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:19:58,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 01:19:58,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2022-07-12 01:19:58,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627079714] [2022-07-12 01:19:58,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:19:58,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 01:19:58,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:19:58,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 01:19:58,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-12 01:19:58,993 INFO L87 Difference]: Start difference. First operand 20719 states and 21354 transitions. Second operand has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:00,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:00,377 INFO L93 Difference]: Finished difference Result 47432 states and 48872 transitions. [2022-07-12 01:20:00,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 01:20:00,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 910 [2022-07-12 01:20:00,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:00,404 INFO L225 Difference]: With dead ends: 47432 [2022-07-12 01:20:00,404 INFO L226 Difference]: Without dead ends: 26416 [2022-07-12 01:20:00,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 914 GetRequests, 910 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-12 01:20:00,417 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 536 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:00,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 115 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 01:20:00,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26416 states. [2022-07-12 01:20:00,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26416 to 19523. [2022-07-12 01:20:00,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19523 states, 19522 states have (on average 1.0312467984837619) internal successors, (20132), 19522 states have internal predecessors, (20132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19523 states to 19523 states and 20132 transitions. [2022-07-12 01:20:00,694 INFO L78 Accepts]: Start accepts. Automaton has 19523 states and 20132 transitions. Word has length 910 [2022-07-12 01:20:00,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:00,695 INFO L495 AbstractCegarLoop]: Abstraction has 19523 states and 20132 transitions. [2022-07-12 01:20:00,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 19523 states and 20132 transitions. [2022-07-12 01:20:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 937 [2022-07-12 01:20:00,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:20:00,706 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:20:00,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-12 01:20:00,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:20:00,918 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:20:00,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:20:00,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2139314223, now seen corresponding path program 1 times [2022-07-12 01:20:00,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:20:00,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801233991] [2022-07-12 01:20:00,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:00,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:20:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:01,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1558 backedges. 974 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2022-07-12 01:20:01,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:20:01,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801233991] [2022-07-12 01:20:01,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801233991] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:20:01,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:20:01,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:20:01,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602345020] [2022-07-12 01:20:01,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:20:01,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:20:01,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:20:01,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:20:01,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:20:01,143 INFO L87 Difference]: Start difference. First operand 19523 states and 20132 transitions. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:01,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:01,890 INFO L93 Difference]: Finished difference Result 35422 states and 36461 transitions. [2022-07-12 01:20:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:20:01,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 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 936 [2022-07-12 01:20:01,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:01,906 INFO L225 Difference]: With dead ends: 35422 [2022-07-12 01:20:01,906 INFO L226 Difference]: Without dead ends: 16200 [2022-07-12 01:20:01,917 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 [2022-07-12 01:20:01,917 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 323 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:01,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 68 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 01:20:01,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16200 states. [2022-07-12 01:20:02,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16200 to 14397. [2022-07-12 01:20:02,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14397 states, 14396 states have (on average 1.0254237288135593) internal successors, (14762), 14396 states have internal predecessors, (14762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14397 states to 14397 states and 14762 transitions. [2022-07-12 01:20:02,067 INFO L78 Accepts]: Start accepts. Automaton has 14397 states and 14762 transitions. Word has length 936 [2022-07-12 01:20:02,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:02,067 INFO L495 AbstractCegarLoop]: Abstraction has 14397 states and 14762 transitions. [2022-07-12 01:20:02,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 14397 states and 14762 transitions. [2022-07-12 01:20:02,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2022-07-12 01:20:02,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:20:02,079 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:20:02,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-12 01:20:02,080 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:20:02,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:20:02,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1581881062, now seen corresponding path program 1 times [2022-07-12 01:20:02,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:20:02,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341338020] [2022-07-12 01:20:02,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:02,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:20:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 1017 proven. 105 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-07-12 01:20:02,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:20:02,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341338020] [2022-07-12 01:20:02,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341338020] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 01:20:02,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823911975] [2022-07-12 01:20:02,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:02,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:20:02,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:20:02,410 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) [2022-07-12 01:20:02,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 01:20:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:02,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 1166 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 01:20:02,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 01:20:02,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 633 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2022-07-12 01:20:02,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 01:20:02,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823911975] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:20:02,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 01:20:02,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2022-07-12 01:20:02,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913885150] [2022-07-12 01:20:02,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:20:02,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 01:20:02,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:20:02,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 01:20:02,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-12 01:20:02,800 INFO L87 Difference]: Start difference. First operand 14397 states and 14762 transitions. Second operand has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:03,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:03,902 INFO L93 Difference]: Finished difference Result 36281 states and 37204 transitions. [2022-07-12 01:20:03,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 01:20:03,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 0 states have call successors, (0), 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 993 [2022-07-12 01:20:03,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:03,922 INFO L225 Difference]: With dead ends: 36281 [2022-07-12 01:20:03,922 INFO L226 Difference]: Without dead ends: 21886 [2022-07-12 01:20:03,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 997 GetRequests, 993 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-12 01:20:03,933 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 520 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:03,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 63 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 01:20:03,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21886 states. [2022-07-12 01:20:04,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21886 to 17090. [2022-07-12 01:20:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17090 states, 17089 states have (on average 1.0255134882087893) internal successors, (17525), 17089 states have internal predecessors, (17525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:04,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17090 states to 17090 states and 17525 transitions. [2022-07-12 01:20:04,170 INFO L78 Accepts]: Start accepts. Automaton has 17090 states and 17525 transitions. Word has length 993 [2022-07-12 01:20:04,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:04,171 INFO L495 AbstractCegarLoop]: Abstraction has 17090 states and 17525 transitions. [2022-07-12 01:20:04,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 17090 states and 17525 transitions. [2022-07-12 01:20:04,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2022-07-12 01:20:04,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:20:04,186 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 01:20:04,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 01:20:04,386 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,SelfDestructingSolverStorable27 [2022-07-12 01:20:04,387 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:20:04,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:20:04,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1904839539, now seen corresponding path program 1 times [2022-07-12 01:20:04,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:20:04,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035660131] [2022-07-12 01:20:04,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:04,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:20:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 655 proven. 707 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2022-07-12 01:20:04,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:20:04,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035660131] [2022-07-12 01:20:04,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035660131] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 01:20:04,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402411381] [2022-07-12 01:20:04,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:04,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:20:04,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:20:04,808 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) [2022-07-12 01:20:04,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 01:20:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:05,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 01:20:05,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 01:20:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 1093 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2022-07-12 01:20:05,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 01:20:05,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402411381] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:20:05,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 01:20:05,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-12 01:20:05,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335555588] [2022-07-12 01:20:05,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:20:05,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:20:05,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:20:05,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:20:05,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 01:20:05,408 INFO L87 Difference]: Start difference. First operand 17090 states and 17525 transitions. Second operand has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:06,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:06,117 INFO L93 Difference]: Finished difference Result 33879 states and 34747 transitions. [2022-07-12 01:20:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:20:06,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 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 1031 [2022-07-12 01:20:06,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:06,142 INFO L225 Difference]: With dead ends: 33879 [2022-07-12 01:20:06,142 INFO L226 Difference]: Without dead ends: 17090 [2022-07-12 01:20:06,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1036 GetRequests, 1031 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 01:20:06,151 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 119 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:06,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 408 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 01:20:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17090 states. [2022-07-12 01:20:06,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17090 to 17090. [2022-07-12 01:20:06,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17090 states, 17089 states have (on average 1.0185499444086838) internal successors, (17406), 17089 states have internal predecessors, (17406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:06,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17090 states to 17090 states and 17406 transitions. [2022-07-12 01:20:06,340 INFO L78 Accepts]: Start accepts. Automaton has 17090 states and 17406 transitions. Word has length 1031 [2022-07-12 01:20:06,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:06,341 INFO L495 AbstractCegarLoop]: Abstraction has 17090 states and 17406 transitions. [2022-07-12 01:20:06,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:06,341 INFO L276 IsEmpty]: Start isEmpty. Operand 17090 states and 17406 transitions. [2022-07-12 01:20:06,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2022-07-12 01:20:06,352 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:20:06,353 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:20:06,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-12 01:20:06,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-12 01:20:06,553 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:20:06,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:20:06,554 INFO L85 PathProgramCache]: Analyzing trace with hash -312954913, now seen corresponding path program 1 times [2022-07-12 01:20:06,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:20:06,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451948356] [2022-07-12 01:20:06,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:06,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:20:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1802 backedges. 1110 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2022-07-12 01:20:06,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:20:06,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451948356] [2022-07-12 01:20:06,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451948356] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:20:06,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:20:06,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:20:06,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062307777] [2022-07-12 01:20:06,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:20:06,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:20:06,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:20:06,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:20:06,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:20:06,803 INFO L87 Difference]: Start difference. First operand 17090 states and 17406 transitions. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:07,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:07,460 INFO L93 Difference]: Finished difference Result 34476 states and 35120 transitions. [2022-07-12 01:20:07,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:20:07,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 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 1060 [2022-07-12 01:20:07,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:07,475 INFO L225 Difference]: With dead ends: 34476 [2022-07-12 01:20:07,475 INFO L226 Difference]: Without dead ends: 17687 [2022-07-12 01:20:07,483 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 [2022-07-12 01:20:07,483 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 310 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:07,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 405 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 01:20:07,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17687 states. [2022-07-12 01:20:07,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17687 to 17089. [2022-07-12 01:20:07,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17089 states, 17088 states have (on average 1.018492509363296) internal successors, (17404), 17088 states have internal predecessors, (17404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17089 states to 17089 states and 17404 transitions. [2022-07-12 01:20:07,630 INFO L78 Accepts]: Start accepts. Automaton has 17089 states and 17404 transitions. Word has length 1060 [2022-07-12 01:20:07,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:07,630 INFO L495 AbstractCegarLoop]: Abstraction has 17089 states and 17404 transitions. [2022-07-12 01:20:07,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:07,631 INFO L276 IsEmpty]: Start isEmpty. Operand 17089 states and 17404 transitions. [2022-07-12 01:20:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1076 [2022-07-12 01:20:07,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:20:07,642 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:20:07,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-12 01:20:07,642 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:20:07,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:20:07,643 INFO L85 PathProgramCache]: Analyzing trace with hash -289523152, now seen corresponding path program 1 times [2022-07-12 01:20:07,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:20:07,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341602493] [2022-07-12 01:20:07,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:07,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:20:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2014 backedges. 1329 proven. 0 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2022-07-12 01:20:07,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:20:07,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341602493] [2022-07-12 01:20:07,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341602493] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:20:07,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 01:20:07,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 01:20:07,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384974366] [2022-07-12 01:20:07,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:20:07,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:20:07,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:20:07,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:20:07,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 01:20:07,925 INFO L87 Difference]: Start difference. First operand 17089 states and 17404 transitions. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:08,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:08,662 INFO L93 Difference]: Finished difference Result 40173 states and 40941 transitions. [2022-07-12 01:20:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:20:08,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 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 1075 [2022-07-12 01:20:08,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:08,682 INFO L225 Difference]: With dead ends: 40173 [2022-07-12 01:20:08,682 INFO L226 Difference]: Without dead ends: 23385 [2022-07-12 01:20:08,691 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 [2022-07-12 01:20:08,692 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 223 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:08,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 394 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 01:20:08,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23385 states. [2022-07-12 01:20:08,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23385 to 20976. [2022-07-12 01:20:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20976 states, 20975 states have (on average 1.019451728247914) internal successors, (21383), 20975 states have internal predecessors, (21383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20976 states to 20976 states and 21383 transitions. [2022-07-12 01:20:08,893 INFO L78 Accepts]: Start accepts. Automaton has 20976 states and 21383 transitions. Word has length 1075 [2022-07-12 01:20:08,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:08,894 INFO L495 AbstractCegarLoop]: Abstraction has 20976 states and 21383 transitions. [2022-07-12 01:20:08,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 20976 states and 21383 transitions. [2022-07-12 01:20:08,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2022-07-12 01:20:08,909 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:20:08,910 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:20:08,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-12 01:20:08,910 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:20:08,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:20:08,911 INFO L85 PathProgramCache]: Analyzing trace with hash 2018621959, now seen corresponding path program 1 times [2022-07-12 01:20:08,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:20:08,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853869044] [2022-07-12 01:20:08,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:08,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:20:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 1147 proven. 269 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-07-12 01:20:09,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:20:09,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853869044] [2022-07-12 01:20:09,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853869044] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 01:20:09,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48179220] [2022-07-12 01:20:09,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:09,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:20:09,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:20:09,229 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) [2022-07-12 01:20:09,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-12 01:20:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:09,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 01:20:09,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 01:20:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 1017 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2022-07-12 01:20:10,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 01:20:10,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48179220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:20:10,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 01:20:10,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-07-12 01:20:10,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196441861] [2022-07-12 01:20:10,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:20:10,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 01:20:10,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:20:10,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 01:20:10,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 01:20:10,061 INFO L87 Difference]: Start difference. First operand 20976 states and 21383 transitions. Second operand has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:10,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:10,800 INFO L93 Difference]: Finished difference Result 26667 states and 27187 transitions. [2022-07-12 01:20:10,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 01:20:10,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 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 1132 [2022-07-12 01:20:10,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:10,825 INFO L225 Difference]: With dead ends: 26667 [2022-07-12 01:20:10,826 INFO L226 Difference]: Without dead ends: 26665 [2022-07-12 01:20:10,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1135 GetRequests, 1130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 01:20:10,835 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 339 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 705 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:10,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 68 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 694 Invalid, 0 Unknown, 705 Unchecked, 0.6s Time] [2022-07-12 01:20:10,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26665 states. [2022-07-12 01:20:11,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26665 to 23968. [2022-07-12 01:20:11,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23968 states, 23967 states have (on average 1.0193599532690782) internal successors, (24431), 23967 states have internal predecessors, (24431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23968 states to 23968 states and 24431 transitions. [2022-07-12 01:20:11,075 INFO L78 Accepts]: Start accepts. Automaton has 23968 states and 24431 transitions. Word has length 1132 [2022-07-12 01:20:11,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:11,076 INFO L495 AbstractCegarLoop]: Abstraction has 23968 states and 24431 transitions. [2022-07-12 01:20:11,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 23968 states and 24431 transitions. [2022-07-12 01:20:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2022-07-12 01:20:11,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:20:11,092 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:20:11,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-12 01:20:11,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:20:11,293 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:20:11,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:20:11,294 INFO L85 PathProgramCache]: Analyzing trace with hash 395044658, now seen corresponding path program 1 times [2022-07-12 01:20:11,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:20:11,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119505438] [2022-07-12 01:20:11,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:11,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:20:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 1351 proven. 192 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-07-12 01:20:11,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:20:11,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119505438] [2022-07-12 01:20:11,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119505438] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 01:20:11,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461807340] [2022-07-12 01:20:11,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:11,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:20:11,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:20:11,695 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 01:20:11,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-12 01:20:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:11,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 01:20:12,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 01:20:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 1054 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2022-07-12 01:20:13,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 01:20:13,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461807340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:20:13,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 01:20:13,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-07-12 01:20:13,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182340464] [2022-07-12 01:20:13,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:20:13,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 01:20:13,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:20:13,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 01:20:13,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-12 01:20:13,229 INFO L87 Difference]: Start difference. First operand 23968 states and 24431 transitions. Second operand has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:13,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:13,989 INFO L93 Difference]: Finished difference Result 27691 states and 28235 transitions. [2022-07-12 01:20:13,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 01:20:13,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 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 1169 [2022-07-12 01:20:13,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:14,013 INFO L225 Difference]: With dead ends: 27691 [2022-07-12 01:20:14,014 INFO L226 Difference]: Without dead ends: 27689 [2022-07-12 01:20:14,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1173 GetRequests, 1168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-12 01:20:14,022 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 72 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 442 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:14,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 60 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 691 Invalid, 0 Unknown, 442 Unchecked, 0.6s Time] [2022-07-12 01:20:14,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27689 states. [2022-07-12 01:20:14,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27689 to 27046. [2022-07-12 01:20:14,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27046 states, 27045 states have (on average 1.0192641893141061) internal successors, (27566), 27045 states have internal predecessors, (27566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27046 states to 27046 states and 27566 transitions. [2022-07-12 01:20:14,285 INFO L78 Accepts]: Start accepts. Automaton has 27046 states and 27566 transitions. Word has length 1169 [2022-07-12 01:20:14,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:14,285 INFO L495 AbstractCegarLoop]: Abstraction has 27046 states and 27566 transitions. [2022-07-12 01:20:14,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 27046 states and 27566 transitions. [2022-07-12 01:20:14,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1465 [2022-07-12 01:20:14,306 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:20:14,307 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, 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, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:20:14,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-12 01:20:14,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:20:14,508 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:20:14,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:20:14,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1288368609, now seen corresponding path program 1 times [2022-07-12 01:20:14,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:20:14,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110744294] [2022-07-12 01:20:14,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:20:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3587 backedges. 1540 proven. 1029 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2022-07-12 01:20:14,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:20:14,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110744294] [2022-07-12 01:20:14,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110744294] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 01:20:14,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139967209] [2022-07-12 01:20:14,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:14,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:20:14,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:20:14,975 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 01:20:15,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-12 01:20:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:15,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 1681 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 01:20:15,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 01:20:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3587 backedges. 1735 proven. 0 refuted. 0 times theorem prover too weak. 1852 trivial. 0 not checked. [2022-07-12 01:20:16,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 01:20:16,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139967209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:20:16,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 01:20:16,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-12 01:20:16,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085853519] [2022-07-12 01:20:16,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:20:16,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:20:16,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:20:16,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:20:16,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 01:20:16,312 INFO L87 Difference]: Start difference. First operand 27046 states and 27566 transitions. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:16,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:16,450 INFO L93 Difference]: Finished difference Result 54685 states and 55730 transitions. [2022-07-12 01:20:16,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:20:16,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 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 1464 [2022-07-12 01:20:16,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:16,476 INFO L225 Difference]: With dead ends: 54685 [2022-07-12 01:20:16,476 INFO L226 Difference]: Without dead ends: 27940 [2022-07-12 01:20:16,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1468 GetRequests, 1464 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 01:20:16,490 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 577 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:16,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 425 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 577 Unchecked, 0.0s Time] [2022-07-12 01:20:16,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27940 states. [2022-07-12 01:20:16,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27940 to 27940. [2022-07-12 01:20:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27940 states, 27939 states have (on average 1.0187193528759082) internal successors, (28462), 27939 states have internal predecessors, (28462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:16,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27940 states to 27940 states and 28462 transitions. [2022-07-12 01:20:16,823 INFO L78 Accepts]: Start accepts. Automaton has 27940 states and 28462 transitions. Word has length 1464 [2022-07-12 01:20:16,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:16,823 INFO L495 AbstractCegarLoop]: Abstraction has 27940 states and 28462 transitions. [2022-07-12 01:20:16,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 27940 states and 28462 transitions. [2022-07-12 01:20:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1469 [2022-07-12 01:20:16,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:20:16,845 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:20:16,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-12 01:20:17,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-07-12 01:20:17,046 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:20:17,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:20:17,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1869839323, now seen corresponding path program 1 times [2022-07-12 01:20:17,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:20:17,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197932583] [2022-07-12 01:20:17,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:17,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:20:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3187 backedges. 1335 proven. 43 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-07-12 01:20:17,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:20:17,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197932583] [2022-07-12 01:20:17,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197932583] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 01:20:17,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541640553] [2022-07-12 01:20:17,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:17,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:20:17,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:20:17,483 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 01:20:17,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-12 01:20:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:17,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 1660 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 01:20:17,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 01:20:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3187 backedges. 1335 proven. 43 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-07-12 01:20:18,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 01:20:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3187 backedges. 1335 proven. 43 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-07-12 01:20:20,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541640553] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 01:20:20,190 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 01:20:20,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-07-12 01:20:20,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38488788] [2022-07-12 01:20:20,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 01:20:20,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 01:20:20,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:20:20,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 01:20:20,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 01:20:20,193 INFO L87 Difference]: Start difference. First operand 27940 states and 28462 transitions. Second operand has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:21,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:21,349 INFO L93 Difference]: Finished difference Result 56351 states and 57406 transitions. [2022-07-12 01:20:21,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 01:20:21,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 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 1468 [2022-07-12 01:20:21,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:21,374 INFO L225 Difference]: With dead ends: 56351 [2022-07-12 01:20:21,375 INFO L226 Difference]: Without dead ends: 28712 [2022-07-12 01:20:21,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2940 GetRequests, 2935 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 01:20:21,390 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 289 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:21,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 63 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 01:20:21,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28712 states. [2022-07-12 01:20:21,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28712 to 24625. [2022-07-12 01:20:21,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24625 states, 24624 states have (on average 1.0186809616634178) internal successors, (25084), 24624 states have internal predecessors, (25084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24625 states to 24625 states and 25084 transitions. [2022-07-12 01:20:21,657 INFO L78 Accepts]: Start accepts. Automaton has 24625 states and 25084 transitions. Word has length 1468 [2022-07-12 01:20:21,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:21,658 INFO L495 AbstractCegarLoop]: Abstraction has 24625 states and 25084 transitions. [2022-07-12 01:20:21,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:21,659 INFO L276 IsEmpty]: Start isEmpty. Operand 24625 states and 25084 transitions. [2022-07-12 01:20:21,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1504 [2022-07-12 01:20:21,726 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:20:21,727 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:20:21,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-07-12 01:20:21,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-07-12 01:20:21,929 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:20:21,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:20:21,930 INFO L85 PathProgramCache]: Analyzing trace with hash 2115017763, now seen corresponding path program 1 times [2022-07-12 01:20:21,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:20:21,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15079324] [2022-07-12 01:20:21,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:21,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:20:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3668 backedges. 1570 proven. 1080 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2022-07-12 01:20:22,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:20:22,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15079324] [2022-07-12 01:20:22,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15079324] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 01:20:22,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298262340] [2022-07-12 01:20:22,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:22,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:20:22,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:20:22,495 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 01:20:22,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-12 01:20:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:22,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 01:20:22,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 01:20:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3668 backedges. 1816 proven. 0 refuted. 0 times theorem prover too weak. 1852 trivial. 0 not checked. [2022-07-12 01:20:24,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 01:20:24,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298262340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 01:20:24,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 01:20:24,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-12 01:20:24,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185390410] [2022-07-12 01:20:24,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 01:20:24,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 01:20:24,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:20:24,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 01:20:24,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 01:20:24,055 INFO L87 Difference]: Start difference. First operand 24625 states and 25084 transitions. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:24,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:24,189 INFO L93 Difference]: Finished difference Result 49153 states and 50073 transitions. [2022-07-12 01:20:24,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 01:20:24,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 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 1503 [2022-07-12 01:20:24,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:24,211 INFO L225 Difference]: With dead ends: 49153 [2022-07-12 01:20:24,211 INFO L226 Difference]: Without dead ends: 24829 [2022-07-12 01:20:24,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1507 GetRequests, 1503 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 01:20:24,226 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 627 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:24,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 424 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 627 Unchecked, 0.0s Time] [2022-07-12 01:20:24,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24829 states. [2022-07-12 01:20:24,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24829 to 24829. [2022-07-12 01:20:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24829 states, 24828 states have (on average 1.018527468986628) internal successors, (25288), 24828 states have internal predecessors, (25288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24829 states to 24829 states and 25288 transitions. [2022-07-12 01:20:24,510 INFO L78 Accepts]: Start accepts. Automaton has 24829 states and 25288 transitions. Word has length 1503 [2022-07-12 01:20:24,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:24,511 INFO L495 AbstractCegarLoop]: Abstraction has 24829 states and 25288 transitions. [2022-07-12 01:20:24,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 24829 states and 25288 transitions. [2022-07-12 01:20:24,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1638 [2022-07-12 01:20:24,533 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 01:20:24,533 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:20:24,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-12 01:20:24,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-07-12 01:20:24,741 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 01:20:24,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 01:20:24,741 INFO L85 PathProgramCache]: Analyzing trace with hash 413889124, now seen corresponding path program 1 times [2022-07-12 01:20:24,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 01:20:24,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620032593] [2022-07-12 01:20:24,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:24,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 01:20:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2558 proven. 826 refuted. 0 times theorem prover too weak. 989 trivial. 0 not checked. [2022-07-12 01:20:25,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 01:20:25,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620032593] [2022-07-12 01:20:25,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620032593] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 01:20:25,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148556573] [2022-07-12 01:20:25,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 01:20:25,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 01:20:25,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 01:20:25,247 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 01:20:25,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-12 01:20:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 01:20:25,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 01:20:25,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 01:20:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2645 proven. 484 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2022-07-12 01:20:26,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 01:20:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2645 proven. 484 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2022-07-12 01:20:27,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148556573] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 01:20:27,945 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 01:20:27,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-07-12 01:20:27,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722859356] [2022-07-12 01:20:27,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 01:20:27,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 01:20:27,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 01:20:27,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 01:20:27,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-07-12 01:20:27,949 INFO L87 Difference]: Start difference. First operand 24829 states and 25288 transitions. Second operand has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:29,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 01:20:29,638 INFO L93 Difference]: Finished difference Result 60881 states and 61978 transitions. [2022-07-12 01:20:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 01:20:29,639 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 0 states have call successors, (0), 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 1637 [2022-07-12 01:20:29,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 01:20:29,640 INFO L225 Difference]: With dead ends: 60881 [2022-07-12 01:20:29,640 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 01:20:29,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3277 GetRequests, 3268 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-07-12 01:20:29,657 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 1605 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 2023 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 984 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 01:20:29,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 101 Invalid, 3143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 2023 Invalid, 0 Unknown, 984 Unchecked, 1.4s Time] [2022-07-12 01:20:29,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 01:20:29,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 01:20:29,658 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) [2022-07-12 01:20:29,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 01:20:29,658 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1637 [2022-07-12 01:20:29,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 01:20:29,659 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 01:20:29,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 01:20:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 01:20:29,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 01:20:29,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 01:20:29,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-12 01:20:29,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-07-12 01:20:29,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 01:20:37,504 WARN L233 SmtUtils]: Spent 7.63s on a formula simplification. DAG size of input: 735 DAG size of output: 705 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-12 01:20:48,607 WARN L233 SmtUtils]: Spent 11.10s on a formula simplification. DAG size of input: 793 DAG size of output: 751 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-12 01:20:59,739 WARN L233 SmtUtils]: Spent 11.13s on a formula simplification. DAG size of input: 793 DAG size of output: 751 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-12 01:21:11,080 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,081 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,081 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,081 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,081 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,081 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,081 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-12 01:21:11,081 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-12 01:21:11,081 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,082 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,083 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-12 01:21:11,084 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,085 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,086 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,086 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,086 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-12 01:21:11,086 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,086 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-12 01:21:11,086 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-12 01:21:11,086 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-12 01:21:11,086 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-12 01:21:11,086 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-12 01:21:11,087 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-12 01:21:11,087 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,087 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,087 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,087 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,087 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-12 01:21:11,087 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-12 01:21:11,087 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,087 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-12 01:21:11,087 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,088 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,088 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,088 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,088 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,088 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,088 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-12 01:21:11,088 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,088 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,088 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,089 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,089 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,089 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-12 01:21:11,089 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-12 01:21:11,089 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,089 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-12 01:21:11,089 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-12 01:21:11,089 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-12 01:21:11,089 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,090 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-12 01:21:11,090 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-12 01:21:11,090 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,090 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,090 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,090 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,090 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-12 01:21:11,090 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,090 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,090 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,091 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,091 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-12 01:21:11,091 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-12 01:21:11,091 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,101 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-12 01:21:11,102 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,103 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,104 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,105 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,105 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,105 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,105 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,105 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-12 01:21:11,105 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-12 01:21:11,105 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-12 01:21:11,105 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,105 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-12 01:21:11,106 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,106 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,106 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,106 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,106 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,106 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,106 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,106 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,106 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-12 01:21:11,106 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-12 01:21:11,107 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-12 01:21:11,107 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-12 01:21:11,107 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,107 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,107 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,107 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,107 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse22 (+ 98 ~a0~0)) (.cse23 (+ ~a4~0 86)) (.cse20 (+ 44 ~a0~0))) (let ((.cse13 (<= ~a29~0 43)) (.cse2 (= 3 ~a2~0)) (.cse17 (<= 0 .cse20)) (.cse10 (< 0 .cse23)) (.cse3 (<= 0 (+ 146 ~a0~0))) (.cse19 (<= (+ 89 ~a4~0) 0)) (.cse4 (<= 5 ~a2~0)) (.cse8 (<= ~a0~0 599946)) (.cse16 (<= 44 ~a29~0)) (.cse12 (< 0 .cse22)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse11 (= ~a2~0 1)) (.cse7 (<= .cse23 0)) (.cse1 (<= .cse22 0)) (.cse15 (+ ~a29~0 144)) (.cse9 (<= ~a2~0 2)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse5 (<= 2 ~a2~0)) (.cse6 (<= (+ ~a0~0 147) 0)) (.cse21 (<= (+ ~a0~0 31779) 0))) (or (and .cse0 .cse1 .cse2) (and (<= (+ 104 ~a0~0) 0) .cse0 (<= (+ ~a29~0 145) 0) .cse3 .cse4) (and .cse0 .cse5 .cse6 (not (= 5 ~a2~0))) (and .cse5 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse3 (< 0 .cse15) .cse4) (and .cse16 .cse11 .cse7 .cse14) (and .cse5 .cse7 .cse8 .cse13) (and .cse0 .cse16 .cse5 .cse6) (and .cse5 .cse4 .cse7 (<= ~a0~0 599976) .cse13) (and .cse0 .cse16 .cse6 .cse11) (and .cse0 .cse8 (or (and .cse17 .cse2) (and .cse7 .cse2))) (let ((.cse18 (+ ~a29~0 127))) (and (<= 0 .cse18) .cse19 .cse11 .cse17 (<= .cse20 0) (<= .cse18 0))) (and .cse10 .cse0 .cse11 .cse21) (and .cse10 .cse0 .cse1 .cse3 .cse11) (and .cse19 .cse6) (and .cse5 .cse4 .cse7 .cse8) (and .cse16 .cse5 .cse6 .cse9) (and .cse11 .cse7 .cse12 .cse14) (and .cse5 .cse7 .cse14) (and .cse6 .cse11 .cse7) (and .cse0 .cse5 .cse1 (not (<= .cse15 0)) .cse9) (and .cse0 .cse5 .cse6 .cse21)))) [2022-07-12 01:21:11,108 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-12 01:21:11,108 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-12 01:21:11,108 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,108 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,108 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,108 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,111 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,111 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,111 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,112 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse22 (+ 98 ~a0~0)) (.cse23 (+ ~a4~0 86)) (.cse20 (+ 44 ~a0~0))) (let ((.cse13 (<= ~a29~0 43)) (.cse2 (= 3 ~a2~0)) (.cse17 (<= 0 .cse20)) (.cse10 (< 0 .cse23)) (.cse3 (<= 0 (+ 146 ~a0~0))) (.cse19 (<= (+ 89 ~a4~0) 0)) (.cse4 (<= 5 ~a2~0)) (.cse8 (<= ~a0~0 599946)) (.cse16 (<= 44 ~a29~0)) (.cse12 (< 0 .cse22)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse11 (= ~a2~0 1)) (.cse7 (<= .cse23 0)) (.cse1 (<= .cse22 0)) (.cse15 (+ ~a29~0 144)) (.cse9 (<= ~a2~0 2)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse5 (<= 2 ~a2~0)) (.cse6 (<= (+ ~a0~0 147) 0)) (.cse21 (<= (+ ~a0~0 31779) 0))) (or (and .cse0 .cse1 .cse2) (and (<= (+ 104 ~a0~0) 0) .cse0 (<= (+ ~a29~0 145) 0) .cse3 .cse4) (and .cse0 .cse5 .cse6 (not (= 5 ~a2~0))) (and .cse5 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse3 (< 0 .cse15) .cse4) (and .cse16 .cse11 .cse7 .cse14) (and .cse5 .cse7 .cse8 .cse13) (and .cse0 .cse16 .cse5 .cse6) (and .cse5 .cse4 .cse7 (<= ~a0~0 599976) .cse13) (and .cse0 .cse16 .cse6 .cse11) (and .cse0 .cse8 (or (and .cse17 .cse2) (and .cse7 .cse2))) (let ((.cse18 (+ ~a29~0 127))) (and (<= 0 .cse18) .cse19 .cse11 .cse17 (<= .cse20 0) (<= .cse18 0))) (and .cse10 .cse0 .cse11 .cse21) (and .cse10 .cse0 .cse1 .cse3 .cse11) (and .cse19 .cse6) (and .cse5 .cse4 .cse7 .cse8) (and .cse16 .cse5 .cse6 .cse9) (and .cse11 .cse7 .cse12 .cse14) (and .cse5 .cse7 .cse14) (and .cse6 .cse11 .cse7) (and .cse0 .cse5 .cse1 (not (<= .cse15 0)) .cse9) (and .cse0 .cse5 .cse6 .cse21)))) [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,113 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-12 01:21:11,114 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-12 01:21:11,114 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,114 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,114 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-12 01:21:11,114 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,114 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,114 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,114 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,114 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,114 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,115 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-12 01:21:11,115 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-12 01:21:11,115 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,115 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,115 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,115 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,115 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,115 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,115 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-12 01:21:11,115 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,116 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-12 01:21:11,116 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,116 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,116 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,116 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,116 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,116 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,116 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,116 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-12 01:21:11,116 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-12 01:21:11,117 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,117 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,117 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,117 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,117 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,117 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,117 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,117 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-12 01:21:11,117 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-12 01:21:11,117 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,118 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,118 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,118 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,118 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,118 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,118 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,118 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-12 01:21:11,118 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-12 01:21:11,118 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,118 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-12 01:21:11,119 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-12 01:21:11,119 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,119 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,119 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,119 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,119 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,119 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,119 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse22 (+ 98 ~a0~0)) (.cse23 (+ ~a4~0 86)) (.cse20 (+ 44 ~a0~0))) (let ((.cse13 (<= ~a29~0 43)) (.cse2 (= 3 ~a2~0)) (.cse17 (<= 0 .cse20)) (.cse10 (< 0 .cse23)) (.cse3 (<= 0 (+ 146 ~a0~0))) (.cse19 (<= (+ 89 ~a4~0) 0)) (.cse4 (<= 5 ~a2~0)) (.cse8 (<= ~a0~0 599946)) (.cse16 (<= 44 ~a29~0)) (.cse12 (< 0 .cse22)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse11 (= ~a2~0 1)) (.cse7 (<= .cse23 0)) (.cse1 (<= .cse22 0)) (.cse15 (+ ~a29~0 144)) (.cse9 (<= ~a2~0 2)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse5 (<= 2 ~a2~0)) (.cse6 (<= (+ ~a0~0 147) 0)) (.cse21 (<= (+ ~a0~0 31779) 0))) (or (and .cse0 .cse1 .cse2) (and (<= (+ 104 ~a0~0) 0) .cse0 (<= (+ ~a29~0 145) 0) .cse3 .cse4) (and .cse0 .cse5 .cse6 (not (= 5 ~a2~0))) (and .cse5 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse3 (< 0 .cse15) .cse4) (and .cse16 .cse11 .cse7 .cse14) (and .cse5 .cse7 .cse8 .cse13) (and .cse0 .cse16 .cse5 .cse6) (and .cse5 .cse4 .cse7 (<= ~a0~0 599976) .cse13) (and .cse0 .cse16 .cse6 .cse11) (and .cse0 .cse8 (or (and .cse17 .cse2) (and .cse7 .cse2))) (let ((.cse18 (+ ~a29~0 127))) (and (<= 0 .cse18) .cse19 .cse11 .cse17 (<= .cse20 0) (<= .cse18 0))) (and .cse10 .cse0 .cse11 .cse21) (and .cse10 .cse0 .cse1 .cse3 .cse11) (and .cse19 .cse6) (and .cse5 .cse4 .cse7 .cse8) (and .cse16 .cse5 .cse6 .cse9) (and .cse11 .cse7 .cse12 .cse14) (and .cse5 .cse7 .cse14) (and .cse6 .cse11 .cse7) (and .cse0 .cse5 .cse1 (not (<= .cse15 0)) .cse9) (and .cse0 .cse5 .cse6 .cse21)))) [2022-07-12 01:21:11,120 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-12 01:21:11,120 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-12 01:21:11,120 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,120 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,120 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,120 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,120 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,120 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,121 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,121 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,121 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-12 01:21:11,121 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-12 01:21:11,121 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,121 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-12 01:21:11,121 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-12 01:21:11,121 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,121 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,121 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,122 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,122 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,122 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,122 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 01:21:11,122 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-12 01:21:11,122 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,122 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,122 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,122 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,122 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-12 01:21:11,123 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-12 01:21:11,123 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-12 01:21:11,123 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,123 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-12 01:21:11,123 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-12 01:21:11,123 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,123 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,123 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,123 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,124 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,124 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,124 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,124 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-12 01:21:11,124 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,124 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,124 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,124 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,124 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-12 01:21:11,124 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,125 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,125 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-12 01:21:11,125 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,125 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,125 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,125 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,125 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,125 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,125 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,125 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-12 01:21:11,125 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-12 01:21:11,126 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,126 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-12 01:21:11,126 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,126 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-12 01:21:11,126 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,126 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-12 01:21:11,126 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-12 01:21:11,128 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 01:21:11,130 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 01:21:11,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 01:21:11 BoogieIcfgContainer [2022-07-12 01:21:11,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 01:21:11,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 01:21:11,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 01:21:11,156 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 01:21:11,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:19:18" (3/4) ... [2022-07-12 01:21:11,158 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 01:21:11,179 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-12 01:21:11,181 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 01:21:11,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 01:21:11,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 01:21:11,290 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 01:21:11,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 01:21:11,294 INFO L158 Benchmark]: Toolchain (without parser) took 115807.80ms. Allocated memory was 100.7MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 75.7MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 767.6MB. Max. memory is 16.1GB. [2022-07-12 01:21:11,294 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 01:21:11,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.27ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 75.7MB in the beginning and 61.6MB in the end (delta: 14.1MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-07-12 01:21:11,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.71ms. Allocated memory is still 127.9MB. Free memory was 61.6MB in the beginning and 59.8MB in the end (delta: 1.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-07-12 01:21:11,296 INFO L158 Benchmark]: Boogie Preprocessor took 195.48ms. Allocated memory is still 127.9MB. Free memory was 59.8MB in the beginning and 58.7MB in the end (delta: 1.1MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-07-12 01:21:11,296 INFO L158 Benchmark]: RCFGBuilder took 1880.59ms. Allocated memory was 127.9MB in the beginning and 329.3MB in the end (delta: 201.3MB). Free memory was 58.7MB in the beginning and 220.7MB in the end (delta: -162.0MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2022-07-12 01:21:11,297 INFO L158 Benchmark]: TraceAbstraction took 112743.28ms. Allocated memory was 329.3MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 219.7MB in the beginning and 1.2GB in the end (delta: -954.5MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-07-12 01:21:11,297 INFO L158 Benchmark]: Witness Printer took 134.76ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-12 01:21:11,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.27ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 75.7MB in the beginning and 61.6MB in the end (delta: 14.1MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.71ms. Allocated memory is still 127.9MB. Free memory was 61.6MB in the beginning and 59.8MB in the end (delta: 1.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 195.48ms. Allocated memory is still 127.9MB. Free memory was 59.8MB in the beginning and 58.7MB in the end (delta: 1.1MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1880.59ms. Allocated memory was 127.9MB in the beginning and 329.3MB in the end (delta: 201.3MB). Free memory was 58.7MB in the beginning and 220.7MB in the end (delta: -162.0MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. * TraceAbstraction took 112743.28ms. Allocated memory was 329.3MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 219.7MB in the beginning and 1.2GB in the end (delta: -954.5MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 134.76ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 152]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 112.7s, OverallIterations: 37, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 41.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 41.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12357 SdHoareTripleChecker+Valid, 36.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12357 mSDsluCounter, 10229 SdHoareTripleChecker+Invalid, 30.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3335 IncrementalHoareTripleChecker+Unchecked, 1297 mSDsCounter, 5483 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35779 IncrementalHoareTripleChecker+Invalid, 44597 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5483 mSolverCounterUnsat, 8932 mSDtfsCounter, 35779 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15340 GetRequests, 15253 SyntacticMatches, 3 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27940occurred in iteration=34, InterpolantAutomatonStates: 128, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 37 MinimizatonAttempts, 54566 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 469 NumberOfFragments, 1312 HoareAnnotationTreeSize, 4 FomulaSimplifications, 527477 FormulaSimplificationTreeSizeReduction, 29.9s HoareSimplificationTime, 4 FomulaSimplificationsInter, 685728 FormulaSimplificationTreeSizeReductionInter, 11.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 39335 NumberOfCodeBlocks, 39335 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 42390 ConstructedInterpolants, 816 QuantifiedInterpolants, 138561 SizeOfPredicates, 8 NumberOfNonLiveVariables, 14019 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 50 InterpolantComputations, 35 PerfectInterpolantSequences, 69536/75150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 145 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && !(5 == a2))) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a2 <= 2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 144) && 5 <= a2)) || (((44 <= a29 && a2 == 1) && a4 + 86 <= 0) && a0 + 61 <= 0)) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && 2 <= a2) && a0 + 147 <= 0)) || ((((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599976) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && a0 + 147 <= 0) && a2 == 1)) || ((42 + a4 <= 0 && a0 <= 599946) && ((0 <= 44 + a0 && 3 == a2) || (a4 + 86 <= 0 && 3 == a2)))) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 31779 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (89 + a4 <= 0 && a0 + 147 <= 0)) || (((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599946)) || (((44 <= a29 && 2 <= a2) && a0 + 147 <= 0) && a2 <= 2)) || (((a2 == 1 && a4 + 86 <= 0) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((2 <= a2 && a4 + 86 <= 0) && a0 + 61 <= 0)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || ((((42 + a4 <= 0 && 2 <= a2) && 98 + a0 <= 0) && !(a29 + 144 <= 0)) && a2 <= 2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && a0 + 31779 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 145 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && !(5 == a2))) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a2 <= 2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 144) && 5 <= a2)) || (((44 <= a29 && a2 == 1) && a4 + 86 <= 0) && a0 + 61 <= 0)) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && 2 <= a2) && a0 + 147 <= 0)) || ((((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599976) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && a0 + 147 <= 0) && a2 == 1)) || ((42 + a4 <= 0 && a0 <= 599946) && ((0 <= 44 + a0 && 3 == a2) || (a4 + 86 <= 0 && 3 == a2)))) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 31779 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (89 + a4 <= 0 && a0 + 147 <= 0)) || (((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599946)) || (((44 <= a29 && 2 <= a2) && a0 + 147 <= 0) && a2 <= 2)) || (((a2 == 1 && a4 + 86 <= 0) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((2 <= a2 && a4 + 86 <= 0) && a0 + 61 <= 0)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || ((((42 + a4 <= 0 && 2 <= a2) && 98 + a0 <= 0) && !(a29 + 144 <= 0)) && a2 <= 2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && a0 + 31779 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 145 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && !(5 == a2))) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a2 <= 2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 144) && 5 <= a2)) || (((44 <= a29 && a2 == 1) && a4 + 86 <= 0) && a0 + 61 <= 0)) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && 2 <= a2) && a0 + 147 <= 0)) || ((((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599976) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && a0 + 147 <= 0) && a2 == 1)) || ((42 + a4 <= 0 && a0 <= 599946) && ((0 <= 44 + a0 && 3 == a2) || (a4 + 86 <= 0 && 3 == a2)))) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 31779 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (89 + a4 <= 0 && a0 + 147 <= 0)) || (((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599946)) || (((44 <= a29 && 2 <= a2) && a0 + 147 <= 0) && a2 <= 2)) || (((a2 == 1 && a4 + 86 <= 0) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((2 <= a2 && a4 + 86 <= 0) && a0 + 61 <= 0)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || ((((42 + a4 <= 0 && 2 <= a2) && 98 + a0 <= 0) && !(a29 + 144 <= 0)) && a2 <= 2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && a0 + 31779 <= 0) RESULT: Ultimate proved your program to be correct! [2022-07-12 01:21:11,333 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