./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_label06.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 635a20a5fbe25b0b925b40af9246e2b23986521025b17b70ac19e8d17c6a453c --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 04:46:05,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 04:46:05,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 04:46:05,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 04:46:05,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 04:46:05,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 04:46:05,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 04:46:05,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 04:46:05,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 04:46:05,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 04:46:05,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 04:46:05,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 04:46:05,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 04:46:05,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 04:46:05,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 04:46:05,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 04:46:05,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 04:46:05,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 04:46:05,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 04:46:05,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 04:46:05,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 04:46:05,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 04:46:05,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 04:46:05,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 04:46:05,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 04:46:05,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 04:46:05,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 04:46:05,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 04:46:05,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 04:46:05,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 04:46:05,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 04:46:05,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 04:46:05,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 04:46:05,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 04:46:05,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 04:46:05,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 04:46:05,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 04:46:05,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 04:46:05,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 04:46:05,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 04:46:05,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 04:46:05,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 04:46:05,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 04:46:05,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 04:46:05,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 04:46:05,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 04:46:05,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 04:46:05,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 04:46:05,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 04:46:05,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 04:46:05,395 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 04:46:05,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 04:46:05,396 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 04:46:05,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 04:46:05,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 04:46:05,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 04:46:05,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 04:46:05,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 04:46:05,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 04:46:05,397 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 04:46:05,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 04:46:05,397 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 04:46:05,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 04:46:05,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 04:46:05,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 04:46:05,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 04:46:05,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:46:05,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 04:46:05,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 04:46:05,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 04:46:05,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 04:46:05,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 04:46:05,400 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 04:46:05,400 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 04:46:05,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 04:46:05,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 04:46:05,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635a20a5fbe25b0b925b40af9246e2b23986521025b17b70ac19e8d17c6a453c [2021-12-17 04:46:05,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 04:46:05,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 04:46:05,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 04:46:05,656 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 04:46:05,656 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 04:46:05,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label06.c [2021-12-17 04:46:05,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0671f4d60/43ce4721325044a186586f5e1a740030/FLAG3e6170001 [2021-12-17 04:46:06,272 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 04:46:06,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label06.c [2021-12-17 04:46:06,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0671f4d60/43ce4721325044a186586f5e1a740030/FLAG3e6170001 [2021-12-17 04:46:06,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0671f4d60/43ce4721325044a186586f5e1a740030 [2021-12-17 04:46:06,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 04:46:06,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 04:46:06,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 04:46:06,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 04:46:06,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 04:46:06,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:46:06" (1/1) ... [2021-12-17 04:46:06,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac21ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:06, skipping insertion in model container [2021-12-17 04:46:06,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:46:06" (1/1) ... [2021-12-17 04:46:06,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 04:46:06,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 04:46:06,866 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_label06.c[6824,6837] [2021-12-17 04:46:07,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:46:07,237 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 04:46:07,267 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_label06.c[6824,6837] [2021-12-17 04:46:07,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:46:07,486 INFO L208 MainTranslator]: Completed translation [2021-12-17 04:46:07,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07 WrapperNode [2021-12-17 04:46:07,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 04:46:07,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 04:46:07,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 04:46:07,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 04:46:07,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07" (1/1) ... [2021-12-17 04:46:07,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07" (1/1) ... [2021-12-17 04:46:07,707 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-12-17 04:46:07,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 04:46:07,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 04:46:07,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 04:46:07,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 04:46:07,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07" (1/1) ... [2021-12-17 04:46:07,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07" (1/1) ... [2021-12-17 04:46:07,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07" (1/1) ... [2021-12-17 04:46:07,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07" (1/1) ... [2021-12-17 04:46:07,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07" (1/1) ... [2021-12-17 04:46:07,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07" (1/1) ... [2021-12-17 04:46:07,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07" (1/1) ... [2021-12-17 04:46:07,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 04:46:07,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 04:46:07,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 04:46:07,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 04:46:07,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07" (1/1) ... [2021-12-17 04:46:07,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:46:07,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:07,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 04:46:07,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 04:46:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 04:46:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 04:46:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 04:46:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 04:46:08,038 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 04:46:08,041 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 04:46:10,427 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 04:46:10,443 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 04:46:10,444 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 04:46:10,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:46:10 BoogieIcfgContainer [2021-12-17 04:46:10,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 04:46:10,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 04:46:10,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 04:46:10,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 04:46:10,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 04:46:06" (1/3) ... [2021-12-17 04:46:10,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49975aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:46:10, skipping insertion in model container [2021-12-17 04:46:10,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:46:07" (2/3) ... [2021-12-17 04:46:10,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49975aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:46:10, skipping insertion in model container [2021-12-17 04:46:10,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:46:10" (3/3) ... [2021-12-17 04:46:10,455 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label06.c [2021-12-17 04:46:10,459 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 04:46:10,460 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 04:46:10,517 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 04:46:10,524 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 04:46:10,524 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 04:46:10,552 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) [2021-12-17 04:46:10,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-17 04:46:10,564 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:10,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:10,565 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:10,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:10,571 INFO L85 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2021-12-17 04:46:10,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:10,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428121897] [2021-12-17 04:46:10,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:10,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:10,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:10,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428121897] [2021-12-17 04:46:10,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428121897] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:10,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:10,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:46:10,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863620298] [2021-12-17 04:46:10,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:10,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:10,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:10,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:10,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:10,856 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 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:12,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:12,909 INFO L93 Difference]: Finished difference Result 1191 states and 2157 transitions. [2021-12-17 04:46:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:12,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2021-12-17 04:46:12,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:12,928 INFO L225 Difference]: With dead ends: 1191 [2021-12-17 04:46:12,928 INFO L226 Difference]: Without dead ends: 688 [2021-12-17 04:46:12,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:12,936 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 315 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:12,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 230 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-17 04:46:12,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2021-12-17 04:46:13,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 680. [2021-12-17 04:46:13,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 679 states have (on average 1.609720176730486) internal successors, (1093), 679 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:13,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1093 transitions. [2021-12-17 04:46:13,008 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1093 transitions. Word has length 56 [2021-12-17 04:46:13,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:13,009 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 1093 transitions. [2021-12-17 04:46:13,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:13,010 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1093 transitions. [2021-12-17 04:46:13,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-17 04:46:13,014 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:13,014 INFO L514 BasicCegarLoop]: 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, 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] [2021-12-17 04:46:13,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 04:46:13,015 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:13,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:13,015 INFO L85 PathProgramCache]: Analyzing trace with hash 564442529, now seen corresponding path program 1 times [2021-12-17 04:46:13,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:13,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187954136] [2021-12-17 04:46:13,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:13,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:13,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:13,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187954136] [2021-12-17 04:46:13,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187954136] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:13,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:13,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:46:13,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975726531] [2021-12-17 04:46:13,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:13,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:13,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:13,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:13,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:13,180 INFO L87 Difference]: Start difference. First operand 680 states and 1093 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:14,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:14,631 INFO L93 Difference]: Finished difference Result 1964 states and 3171 transitions. [2021-12-17 04:46:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:14,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2021-12-17 04:46:14,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:14,637 INFO L225 Difference]: With dead ends: 1964 [2021-12-17 04:46:14,638 INFO L226 Difference]: Without dead ends: 1286 [2021-12-17 04:46:14,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:14,642 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 282 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:14,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 360 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-17 04:46:14,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2021-12-17 04:46:14,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1281. [2021-12-17 04:46:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1280 states have (on average 1.3953125) internal successors, (1786), 1280 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1786 transitions. [2021-12-17 04:46:14,684 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1786 transitions. Word has length 124 [2021-12-17 04:46:14,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:14,685 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 1786 transitions. [2021-12-17 04:46:14,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:14,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1786 transitions. [2021-12-17 04:46:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-17 04:46:14,690 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:14,690 INFO L514 BasicCegarLoop]: 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, 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] [2021-12-17 04:46:14,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 04:46:14,690 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:14,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:14,691 INFO L85 PathProgramCache]: Analyzing trace with hash -149138291, now seen corresponding path program 1 times [2021-12-17 04:46:14,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:14,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170190323] [2021-12-17 04:46:14,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:14,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:14,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:14,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170190323] [2021-12-17 04:46:14,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170190323] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:14,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:14,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:46:14,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011010935] [2021-12-17 04:46:14,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:14,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:14,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:14,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:14,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:14,824 INFO L87 Difference]: Start difference. First operand 1281 states and 1786 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:16,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:16,524 INFO L93 Difference]: Finished difference Result 2859 states and 3905 transitions. [2021-12-17 04:46:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:16,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2021-12-17 04:46:16,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:16,533 INFO L225 Difference]: With dead ends: 2859 [2021-12-17 04:46:16,533 INFO L226 Difference]: Without dead ends: 1580 [2021-12-17 04:46:16,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:16,541 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 225 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:16,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 359 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-17 04:46:16,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2021-12-17 04:46:16,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1580. [2021-12-17 04:46:16,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1579 states have (on average 1.3242558581380621) internal successors, (2091), 1579 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2091 transitions. [2021-12-17 04:46:16,578 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2091 transitions. Word has length 132 [2021-12-17 04:46:16,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:16,580 INFO L470 AbstractCegarLoop]: Abstraction has 1580 states and 2091 transitions. [2021-12-17 04:46:16,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2091 transitions. [2021-12-17 04:46:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-17 04:46:16,593 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:16,594 INFO L514 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:16,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 04:46:16,595 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:16,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:16,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1036910215, now seen corresponding path program 1 times [2021-12-17 04:46:16,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:16,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339911783] [2021-12-17 04:46:16,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:16,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-17 04:46:16,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:16,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339911783] [2021-12-17 04:46:16,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339911783] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:16,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:16,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:46:16,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536873549] [2021-12-17 04:46:16,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:16,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:16,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:16,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:16,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:16,782 INFO L87 Difference]: Start difference. First operand 1580 states and 2091 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:18,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:18,367 INFO L93 Difference]: Finished difference Result 4065 states and 5551 transitions. [2021-12-17 04:46:18,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:18,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 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 223 [2021-12-17 04:46:18,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:18,383 INFO L225 Difference]: With dead ends: 4065 [2021-12-17 04:46:18,383 INFO L226 Difference]: Without dead ends: 2786 [2021-12-17 04:46:18,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:18,394 INFO L933 BasicCegarLoop]: 600 mSDtfsCounter, 272 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:18,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-17 04:46:18,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2021-12-17 04:46:18,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2786. [2021-12-17 04:46:18,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2786 states, 2785 states have (on average 1.2204667863554757) internal successors, (3399), 2785 states have internal predecessors, (3399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 3399 transitions. [2021-12-17 04:46:18,441 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 3399 transitions. Word has length 223 [2021-12-17 04:46:18,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:18,443 INFO L470 AbstractCegarLoop]: Abstraction has 2786 states and 3399 transitions. [2021-12-17 04:46:18,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3399 transitions. [2021-12-17 04:46:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-12-17 04:46:18,446 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:18,446 INFO L514 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:18,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 04:46:18,446 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:18,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:18,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1296109363, now seen corresponding path program 1 times [2021-12-17 04:46:18,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:18,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875990512] [2021-12-17 04:46:18,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:18,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-12-17 04:46:18,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:18,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875990512] [2021-12-17 04:46:18,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875990512] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:18,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:18,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:46:18,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785825] [2021-12-17 04:46:18,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:18,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:18,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:18,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:18,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:18,603 INFO L87 Difference]: Start difference. First operand 2786 states and 3399 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:20,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:20,294 INFO L93 Difference]: Finished difference Result 6472 states and 8164 transitions. [2021-12-17 04:46:20,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:20,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 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 229 [2021-12-17 04:46:20,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:20,310 INFO L225 Difference]: With dead ends: 6472 [2021-12-17 04:46:20,310 INFO L226 Difference]: Without dead ends: 3987 [2021-12-17 04:46:20,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:20,315 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 220 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:20,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 364 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-17 04:46:20,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2021-12-17 04:46:20,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 3686. [2021-12-17 04:46:20,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3686 states, 3685 states have (on average 1.1959294436906378) internal successors, (4407), 3685 states have internal predecessors, (4407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 4407 transitions. [2021-12-17 04:46:20,402 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 4407 transitions. Word has length 229 [2021-12-17 04:46:20,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:20,403 INFO L470 AbstractCegarLoop]: Abstraction has 3686 states and 4407 transitions. [2021-12-17 04:46:20,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:20,407 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 4407 transitions. [2021-12-17 04:46:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-17 04:46:20,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:20,411 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:20,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 04:46:20,413 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:20,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:20,414 INFO L85 PathProgramCache]: Analyzing trace with hash 342099798, now seen corresponding path program 1 times [2021-12-17 04:46:20,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:20,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552462813] [2021-12-17 04:46:20,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:20,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-17 04:46:20,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:20,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552462813] [2021-12-17 04:46:20,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552462813] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:20,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:20,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:46:20,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128955443] [2021-12-17 04:46:20,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:20,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:20,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:20,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:20,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:20,591 INFO L87 Difference]: Start difference. First operand 3686 states and 4407 transitions. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:22,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:22,158 INFO L93 Difference]: Finished difference Result 9471 states and 11465 transitions. [2021-12-17 04:46:22,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:22,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 0 states have call successors, (0), 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 338 [2021-12-17 04:46:22,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:22,208 INFO L225 Difference]: With dead ends: 9471 [2021-12-17 04:46:22,208 INFO L226 Difference]: Without dead ends: 6086 [2021-12-17 04:46:22,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:22,215 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 31 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:22,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 323 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-17 04:46:22,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2021-12-17 04:46:22,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 5485. [2021-12-17 04:46:22,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5485 states, 5484 states have (on average 1.1692195477753464) internal successors, (6412), 5484 states have internal predecessors, (6412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5485 states to 5485 states and 6412 transitions. [2021-12-17 04:46:22,308 INFO L78 Accepts]: Start accepts. Automaton has 5485 states and 6412 transitions. Word has length 338 [2021-12-17 04:46:22,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:22,308 INFO L470 AbstractCegarLoop]: Abstraction has 5485 states and 6412 transitions. [2021-12-17 04:46:22,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5485 states and 6412 transitions. [2021-12-17 04:46:22,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-12-17 04:46:22,313 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:22,313 INFO L514 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:22,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 04:46:22,314 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:22,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:22,314 INFO L85 PathProgramCache]: Analyzing trace with hash 429227438, now seen corresponding path program 1 times [2021-12-17 04:46:22,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:22,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370305483] [2021-12-17 04:46:22,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:22,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:22,464 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-17 04:46:22,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:22,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370305483] [2021-12-17 04:46:22,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370305483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:22,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:22,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:46:22,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626498382] [2021-12-17 04:46:22,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:22,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:22,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:22,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:22,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:22,467 INFO L87 Difference]: Start difference. First operand 5485 states and 6412 transitions. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:23,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:23,990 INFO L93 Difference]: Finished difference Result 12762 states and 15152 transitions. [2021-12-17 04:46:23,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:23,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 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 343 [2021-12-17 04:46:23,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:24,015 INFO L225 Difference]: With dead ends: 12762 [2021-12-17 04:46:24,015 INFO L226 Difference]: Without dead ends: 7578 [2021-12-17 04:46:24,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:24,022 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 259 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:24,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-17 04:46:24,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7578 states. [2021-12-17 04:46:24,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7578 to 4883. [2021-12-17 04:46:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4883 states, 4882 states have (on average 1.1798443260958624) internal successors, (5760), 4882 states have internal predecessors, (5760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4883 states to 4883 states and 5760 transitions. [2021-12-17 04:46:24,125 INFO L78 Accepts]: Start accepts. Automaton has 4883 states and 5760 transitions. Word has length 343 [2021-12-17 04:46:24,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:24,126 INFO L470 AbstractCegarLoop]: Abstraction has 4883 states and 5760 transitions. [2021-12-17 04:46:24,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 4883 states and 5760 transitions. [2021-12-17 04:46:24,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-12-17 04:46:24,132 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:24,132 INFO L514 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:24,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 04:46:24,133 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:24,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:24,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2115957757, now seen corresponding path program 1 times [2021-12-17 04:46:24,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:24,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272225779] [2021-12-17 04:46:24,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:24,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:24,299 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:24,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:24,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272225779] [2021-12-17 04:46:24,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272225779] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:24,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:24,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:46:24,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252289217] [2021-12-17 04:46:24,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:24,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:24,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:24,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:24,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:24,302 INFO L87 Difference]: Start difference. First operand 4883 states and 5760 transitions. Second operand has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:25,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:25,598 INFO L93 Difference]: Finished difference Result 9461 states and 11209 transitions. [2021-12-17 04:46:25,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:25,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 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 408 [2021-12-17 04:46:25,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:25,634 INFO L225 Difference]: With dead ends: 9461 [2021-12-17 04:46:25,634 INFO L226 Difference]: Without dead ends: 4879 [2021-12-17 04:46:25,639 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:46:25,639 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 314 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:25,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [314 Valid, 144 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:46:25,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2021-12-17 04:46:25,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4877. [2021-12-17 04:46:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 4876 states have (on average 1.1618129614438064) internal successors, (5665), 4876 states have internal predecessors, (5665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 5665 transitions. [2021-12-17 04:46:25,714 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 5665 transitions. Word has length 408 [2021-12-17 04:46:25,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:25,715 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 5665 transitions. [2021-12-17 04:46:25,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 5665 transitions. [2021-12-17 04:46:25,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-12-17 04:46:25,722 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:25,722 INFO L514 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:25,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 04:46:25,724 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:25,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:25,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1941618470, now seen corresponding path program 1 times [2021-12-17 04:46:25,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:25,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638984549] [2021-12-17 04:46:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:25,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:25,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:25,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638984549] [2021-12-17 04:46:25,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638984549] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:25,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:25,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:46:25,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111349283] [2021-12-17 04:46:25,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:25,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:25,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:25,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:25,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:25,884 INFO L87 Difference]: Start difference. First operand 4877 states and 5665 transitions. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:27,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:27,223 INFO L93 Difference]: Finished difference Result 11259 states and 13334 transitions. [2021-12-17 04:46:27,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:27,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 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 419 [2021-12-17 04:46:27,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:27,235 INFO L225 Difference]: With dead ends: 11259 [2021-12-17 04:46:27,235 INFO L226 Difference]: Without dead ends: 6683 [2021-12-17 04:46:27,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:27,240 INFO L933 BasicCegarLoop]: 560 mSDtfsCounter, 249 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:27,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 597 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:46:27,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6683 states. [2021-12-17 04:46:27,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6683 to 6381. [2021-12-17 04:46:27,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6381 states, 6380 states have (on average 1.14435736677116) internal successors, (7301), 6380 states have internal predecessors, (7301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6381 states to 6381 states and 7301 transitions. [2021-12-17 04:46:27,340 INFO L78 Accepts]: Start accepts. Automaton has 6381 states and 7301 transitions. Word has length 419 [2021-12-17 04:46:27,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:27,341 INFO L470 AbstractCegarLoop]: Abstraction has 6381 states and 7301 transitions. [2021-12-17 04:46:27,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:27,342 INFO L276 IsEmpty]: Start isEmpty. Operand 6381 states and 7301 transitions. [2021-12-17 04:46:27,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-12-17 04:46:27,348 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:27,349 INFO L514 BasicCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:27,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 04:46:27,349 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:27,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:27,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1260062082, now seen corresponding path program 1 times [2021-12-17 04:46:27,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:27,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630038495] [2021-12-17 04:46:27,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:27,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-17 04:46:27,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:27,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630038495] [2021-12-17 04:46:27,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630038495] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:27,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:27,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:46:27,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833612463] [2021-12-17 04:46:27,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:27,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:27,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:27,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:27,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:27,485 INFO L87 Difference]: Start difference. First operand 6381 states and 7301 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:28,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:28,782 INFO L93 Difference]: Finished difference Result 14257 states and 16594 transitions. [2021-12-17 04:46:28,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:28,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 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 424 [2021-12-17 04:46:28,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:28,795 INFO L225 Difference]: With dead ends: 14257 [2021-12-17 04:46:28,795 INFO L226 Difference]: Without dead ends: 8177 [2021-12-17 04:46:28,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:28,801 INFO L933 BasicCegarLoop]: 579 mSDtfsCounter, 245 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:28,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 618 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:46:28,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8177 states. [2021-12-17 04:46:28,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8177 to 7875. [2021-12-17 04:46:28,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7875 states, 7874 states have (on average 1.1343662687325375) internal successors, (8932), 7874 states have internal predecessors, (8932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:28,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7875 states to 7875 states and 8932 transitions. [2021-12-17 04:46:28,894 INFO L78 Accepts]: Start accepts. Automaton has 7875 states and 8932 transitions. Word has length 424 [2021-12-17 04:46:28,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:28,895 INFO L470 AbstractCegarLoop]: Abstraction has 7875 states and 8932 transitions. [2021-12-17 04:46:28,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 7875 states and 8932 transitions. [2021-12-17 04:46:28,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2021-12-17 04:46:28,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:28,901 INFO L514 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:28,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 04:46:28,902 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:28,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:28,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1245855829, now seen corresponding path program 1 times [2021-12-17 04:46:28,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:28,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892124260] [2021-12-17 04:46:28,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:28,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-17 04:46:29,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:29,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892124260] [2021-12-17 04:46:29,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892124260] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:29,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:29,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:46:29,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849060812] [2021-12-17 04:46:29,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:29,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:29,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:29,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:29,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:29,105 INFO L87 Difference]: Start difference. First operand 7875 states and 8932 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:30,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:30,615 INFO L93 Difference]: Finished difference Result 17541 states and 20149 transitions. [2021-12-17 04:46:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:30,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 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 520 [2021-12-17 04:46:30,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:30,630 INFO L225 Difference]: With dead ends: 17541 [2021-12-17 04:46:30,630 INFO L226 Difference]: Without dead ends: 9967 [2021-12-17 04:46:30,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:30,638 INFO L933 BasicCegarLoop]: 427 mSDtfsCounter, 359 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:30,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 447 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-17 04:46:30,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9967 states. [2021-12-17 04:46:30,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9967 to 9967. [2021-12-17 04:46:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9967 states, 9966 states have (on average 1.1378687537627934) internal successors, (11340), 9966 states have internal predecessors, (11340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:30,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9967 states to 9967 states and 11340 transitions. [2021-12-17 04:46:30,760 INFO L78 Accepts]: Start accepts. Automaton has 9967 states and 11340 transitions. Word has length 520 [2021-12-17 04:46:30,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:30,761 INFO L470 AbstractCegarLoop]: Abstraction has 9967 states and 11340 transitions. [2021-12-17 04:46:30,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 9967 states and 11340 transitions. [2021-12-17 04:46:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2021-12-17 04:46:30,767 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:30,768 INFO L514 BasicCegarLoop]: 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, 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, 2, 2, 2, 2, 2, 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] [2021-12-17 04:46:30,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 04:46:30,769 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:30,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:30,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1468678863, now seen corresponding path program 1 times [2021-12-17 04:46:30,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:30,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605401260] [2021-12-17 04:46:30,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:30,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:30,938 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-12-17 04:46:30,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:30,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605401260] [2021-12-17 04:46:30,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605401260] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:30,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:30,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:46:30,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75526920] [2021-12-17 04:46:30,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:30,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:30,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:30,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:30,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:30,941 INFO L87 Difference]: Start difference. First operand 9967 states and 11340 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:32,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:32,658 INFO L93 Difference]: Finished difference Result 24431 states and 27984 transitions. [2021-12-17 04:46:32,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:32,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 544 [2021-12-17 04:46:32,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:32,679 INFO L225 Difference]: With dead ends: 24431 [2021-12-17 04:46:32,680 INFO L226 Difference]: Without dead ends: 14765 [2021-12-17 04:46:32,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:32,691 INFO L933 BasicCegarLoop]: 564 mSDtfsCounter, 248 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:32,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 596 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-17 04:46:32,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14765 states. [2021-12-17 04:46:32,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14765 to 14754. [2021-12-17 04:46:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14754 states, 14753 states have (on average 1.1218057344268961) internal successors, (16550), 14753 states have internal predecessors, (16550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14754 states to 14754 states and 16550 transitions. [2021-12-17 04:46:32,883 INFO L78 Accepts]: Start accepts. Automaton has 14754 states and 16550 transitions. Word has length 544 [2021-12-17 04:46:32,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:32,884 INFO L470 AbstractCegarLoop]: Abstraction has 14754 states and 16550 transitions. [2021-12-17 04:46:32,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 14754 states and 16550 transitions. [2021-12-17 04:46:32,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-12-17 04:46:32,893 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:32,894 INFO L514 BasicCegarLoop]: 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:32,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 04:46:32,894 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:32,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:32,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1821851115, now seen corresponding path program 1 times [2021-12-17 04:46:32,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:32,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75561648] [2021-12-17 04:46:32,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:32,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:33,246 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 162 proven. 320 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-12-17 04:46:33,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:33,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75561648] [2021-12-17 04:46:33,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75561648] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:33,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374660237] [2021-12-17 04:46:33,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:33,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:33,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:33,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:46:33,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 04:46:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:33,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:46:33,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:46:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2021-12-17 04:46:34,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:46:34,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374660237] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:34,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:46:34,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-12-17 04:46:34,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547891678] [2021-12-17 04:46:34,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:34,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:34,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:34,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:34,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:46:34,447 INFO L87 Difference]: Start difference. First operand 14754 states and 16550 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:36,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:36,059 INFO L93 Difference]: Finished difference Result 29204 states and 32788 transitions. [2021-12-17 04:46:36,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:36,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 598 [2021-12-17 04:46:36,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:36,085 INFO L225 Difference]: With dead ends: 29204 [2021-12-17 04:46:36,086 INFO L226 Difference]: Without dead ends: 14751 [2021-12-17 04:46:36,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:46:36,102 INFO L933 BasicCegarLoop]: 568 mSDtfsCounter, 275 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:36,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 606 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-17 04:46:36,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14751 states. [2021-12-17 04:46:36,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14751 to 13854. [2021-12-17 04:46:36,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13854 states, 13853 states have (on average 1.081642965422652) internal successors, (14984), 13853 states have internal predecessors, (14984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13854 states to 13854 states and 14984 transitions. [2021-12-17 04:46:36,264 INFO L78 Accepts]: Start accepts. Automaton has 13854 states and 14984 transitions. Word has length 598 [2021-12-17 04:46:36,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:36,265 INFO L470 AbstractCegarLoop]: Abstraction has 13854 states and 14984 transitions. [2021-12-17 04:46:36,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:36,266 INFO L276 IsEmpty]: Start isEmpty. Operand 13854 states and 14984 transitions. [2021-12-17 04:46:36,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-12-17 04:46:36,275 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:36,276 INFO L514 BasicCegarLoop]: 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, 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, 2, 2, 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] [2021-12-17 04:46:36,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 04:46:36,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-17 04:46:36,494 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:36,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:36,494 INFO L85 PathProgramCache]: Analyzing trace with hash -542711809, now seen corresponding path program 1 times [2021-12-17 04:46:36,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:36,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953085416] [2021-12-17 04:46:36,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:36,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:36,680 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 604 proven. 39 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-12-17 04:46:36,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:36,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953085416] [2021-12-17 04:46:36,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953085416] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:36,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703050914] [2021-12-17 04:46:36,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:36,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:36,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:36,683 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) [2021-12-17 04:46:36,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 04:46:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:36,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-17 04:46:36,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:46:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 604 proven. 39 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-12-17 04:46:38,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:46:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 604 proven. 39 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-12-17 04:46:39,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703050914] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:46:39,924 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:46:39,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-17 04:46:39,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093883956] [2021-12-17 04:46:39,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:46:39,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 04:46:39,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:39,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 04:46:39,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:46:39,930 INFO L87 Difference]: Start difference. First operand 13854 states and 14984 transitions. Second operand has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:45,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:45,266 INFO L93 Difference]: Finished difference Result 36040 states and 38971 transitions. [2021-12-17 04:46:45,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-17 04:46:45,266 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 0 states have call successors, (0), 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 611 [2021-12-17 04:46:45,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:45,287 INFO L225 Difference]: With dead ends: 36040 [2021-12-17 04:46:45,287 INFO L226 Difference]: Without dead ends: 16546 [2021-12-17 04:46:45,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1231 GetRequests, 1217 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-12-17 04:46:45,299 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 2857 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 5677 mSolverCounterSat, 688 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2857 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 6365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 5677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:45,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2857 Valid, 246 Invalid, 6365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 5677 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-17 04:46:45,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16546 states. [2021-12-17 04:46:45,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16546 to 12656. [2021-12-17 04:46:45,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12656 states, 12655 states have (on average 1.0378506519162387) internal successors, (13134), 12655 states have internal predecessors, (13134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12656 states to 12656 states and 13134 transitions. [2021-12-17 04:46:45,462 INFO L78 Accepts]: Start accepts. Automaton has 12656 states and 13134 transitions. Word has length 611 [2021-12-17 04:46:45,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:45,462 INFO L470 AbstractCegarLoop]: Abstraction has 12656 states and 13134 transitions. [2021-12-17 04:46:45,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:45,463 INFO L276 IsEmpty]: Start isEmpty. Operand 12656 states and 13134 transitions. [2021-12-17 04:46:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2021-12-17 04:46:45,473 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:45,473 INFO L514 BasicCegarLoop]: 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:46:45,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 04:46:45,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-17 04:46:45,688 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:45,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:45,688 INFO L85 PathProgramCache]: Analyzing trace with hash -504436410, now seen corresponding path program 1 times [2021-12-17 04:46:45,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:45,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549718174] [2021-12-17 04:46:45,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:45,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2021-12-17 04:46:45,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:45,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549718174] [2021-12-17 04:46:45,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549718174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:45,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:45,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:46:45,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661111144] [2021-12-17 04:46:45,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:45,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:45,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:45,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:45,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:45,923 INFO L87 Difference]: Start difference. First operand 12656 states and 13134 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:46,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:46,860 INFO L93 Difference]: Finished difference Result 27997 states and 29099 transitions. [2021-12-17 04:46:46,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:46,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 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 681 [2021-12-17 04:46:46,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:46,877 INFO L225 Difference]: With dead ends: 27997 [2021-12-17 04:46:46,878 INFO L226 Difference]: Without dead ends: 15343 [2021-12-17 04:46:46,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:46,890 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 274 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:46,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 192 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:46:46,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15343 states. [2021-12-17 04:46:47,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15343 to 14744. [2021-12-17 04:46:47,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14744 states, 14743 states have (on average 1.033643084853829) internal successors, (15239), 14743 states have internal predecessors, (15239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14744 states to 14744 states and 15239 transitions. [2021-12-17 04:46:47,048 INFO L78 Accepts]: Start accepts. Automaton has 14744 states and 15239 transitions. Word has length 681 [2021-12-17 04:46:47,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:47,049 INFO L470 AbstractCegarLoop]: Abstraction has 14744 states and 15239 transitions. [2021-12-17 04:46:47,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 14744 states and 15239 transitions. [2021-12-17 04:46:47,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2021-12-17 04:46:47,060 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:47,062 INFO L514 BasicCegarLoop]: 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:46:47,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-17 04:46:47,063 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:47,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:47,063 INFO L85 PathProgramCache]: Analyzing trace with hash -613071182, now seen corresponding path program 1 times [2021-12-17 04:46:47,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:47,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245793790] [2021-12-17 04:46:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:47,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 605 proven. 190 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-17 04:46:47,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:47,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245793790] [2021-12-17 04:46:47,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245793790] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:47,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794028958] [2021-12-17 04:46:47,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:47,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:47,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:47,336 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) [2021-12-17 04:46:47,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 04:46:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:47,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:46:47,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:46:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-12-17 04:46:52,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:46:52,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794028958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:52,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:46:52,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:46:52,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691741710] [2021-12-17 04:46:52,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:52,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:52,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:52,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:52,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:46:52,969 INFO L87 Difference]: Start difference. First operand 14744 states and 15239 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:53,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:53,003 INFO L93 Difference]: Finished difference Result 14800 states and 15295 transitions. [2021-12-17 04:46:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:53,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 688 [2021-12-17 04:46:53,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:53,018 INFO L225 Difference]: With dead ends: 14800 [2021-12-17 04:46:53,019 INFO L226 Difference]: Without dead ends: 14798 [2021-12-17 04:46:53,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 687 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:46:53,024 INFO L933 BasicCegarLoop]: 497 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 506 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:53,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 535 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 506 Unchecked, 0.0s Time] [2021-12-17 04:46:53,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14798 states. [2021-12-17 04:46:53,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14798 to 14798. [2021-12-17 04:46:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14798 states, 14797 states have (on average 1.033520308170575) internal successors, (15293), 14797 states have internal predecessors, (15293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14798 states to 14798 states and 15293 transitions. [2021-12-17 04:46:53,167 INFO L78 Accepts]: Start accepts. Automaton has 14798 states and 15293 transitions. Word has length 688 [2021-12-17 04:46:53,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:53,168 INFO L470 AbstractCegarLoop]: Abstraction has 14798 states and 15293 transitions. [2021-12-17 04:46:53,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:53,169 INFO L276 IsEmpty]: Start isEmpty. Operand 14798 states and 15293 transitions. [2021-12-17 04:46:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2021-12-17 04:46:53,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:53,180 INFO L514 BasicCegarLoop]: 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:46:53,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 04:46:53,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:53,396 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:53,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:53,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1403579945, now seen corresponding path program 1 times [2021-12-17 04:46:53,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:53,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956878903] [2021-12-17 04:46:53,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:53,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:53,765 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 268 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:53,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:53,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956878903] [2021-12-17 04:46:53,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956878903] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:53,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752614817] [2021-12-17 04:46:53,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:53,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:53,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:53,767 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) [2021-12-17 04:46:53,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 04:46:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:53,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-17 04:46:53,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:46:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 536 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:56,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:46:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 536 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:59,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752614817] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:46:59,549 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:46:59,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2021-12-17 04:46:59,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881174864] [2021-12-17 04:46:59,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:46:59,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 04:46:59,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:59,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 04:46:59,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-12-17 04:46:59,552 INFO L87 Difference]: Start difference. First operand 14798 states and 15293 transitions. Second operand has 10 states, 10 states have (on average 139.1) internal successors, (1391), 10 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:05,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:05,381 INFO L93 Difference]: Finished difference Result 35471 states and 36696 transitions. [2021-12-17 04:47:05,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-17 04:47:05,382 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 139.1) internal successors, (1391), 10 states have internal predecessors, (1391), 0 states have call successors, (0), 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 714 [2021-12-17 04:47:05,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:05,400 INFO L225 Difference]: With dead ends: 35471 [2021-12-17 04:47:05,400 INFO L226 Difference]: Without dead ends: 20974 [2021-12-17 04:47:05,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1470 GetRequests, 1441 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2021-12-17 04:47:05,411 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 3338 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 7960 mSolverCounterSat, 813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 8773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 813 IncrementalHoareTripleChecker+Valid, 7960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:05,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3338 Valid, 381 Invalid, 8773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [813 Valid, 7960 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-17 04:47:05,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20974 states. [2021-12-17 04:47:05,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20974 to 15097. [2021-12-17 04:47:05,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15097 states, 15096 states have (on average 1.03146528881823) internal successors, (15571), 15096 states have internal predecessors, (15571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15097 states to 15097 states and 15571 transitions. [2021-12-17 04:47:05,589 INFO L78 Accepts]: Start accepts. Automaton has 15097 states and 15571 transitions. Word has length 714 [2021-12-17 04:47:05,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:05,589 INFO L470 AbstractCegarLoop]: Abstraction has 15097 states and 15571 transitions. [2021-12-17 04:47:05,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 139.1) internal successors, (1391), 10 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 15097 states and 15571 transitions. [2021-12-17 04:47:05,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2021-12-17 04:47:05,608 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:05,608 INFO L514 BasicCegarLoop]: 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:05,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-17 04:47:05,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-17 04:47:05,831 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:05,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:05,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1193329383, now seen corresponding path program 1 times [2021-12-17 04:47:05,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:05,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054082948] [2021-12-17 04:47:05,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:05,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2021-12-17 04:47:06,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:06,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054082948] [2021-12-17 04:47:06,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054082948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:06,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:06,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:06,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347987794] [2021-12-17 04:47:06,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:06,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:06,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:06,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:06,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:06,127 INFO L87 Difference]: Start difference. First operand 15097 states and 15571 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:07,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:07,237 INFO L93 Difference]: Finished difference Result 34095 states and 35224 transitions. [2021-12-17 04:47:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:07,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 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 764 [2021-12-17 04:47:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:07,259 INFO L225 Difference]: With dead ends: 34095 [2021-12-17 04:47:07,260 INFO L226 Difference]: Without dead ends: 19000 [2021-12-17 04:47:07,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:07,272 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 286 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:07,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 179 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:47:07,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19000 states. [2021-12-17 04:47:07,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19000 to 16593. [2021-12-17 04:47:07,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16593 states, 16592 states have (on average 1.0329676952748312) internal successors, (17139), 16592 states have internal predecessors, (17139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16593 states to 16593 states and 17139 transitions. [2021-12-17 04:47:07,414 INFO L78 Accepts]: Start accepts. Automaton has 16593 states and 17139 transitions. Word has length 764 [2021-12-17 04:47:07,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:07,415 INFO L470 AbstractCegarLoop]: Abstraction has 16593 states and 17139 transitions. [2021-12-17 04:47:07,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:07,415 INFO L276 IsEmpty]: Start isEmpty. Operand 16593 states and 17139 transitions. [2021-12-17 04:47:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2021-12-17 04:47:07,429 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:07,429 INFO L514 BasicCegarLoop]: 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, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:07,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-17 04:47:07,430 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:07,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:07,430 INFO L85 PathProgramCache]: Analyzing trace with hash 2048798901, now seen corresponding path program 1 times [2021-12-17 04:47:07,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:07,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212337346] [2021-12-17 04:47:07,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:07,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2021-12-17 04:47:07,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:07,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212337346] [2021-12-17 04:47:07,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212337346] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:07,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:07,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:07,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160374674] [2021-12-17 04:47:07,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:07,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:07,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:07,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:07,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:07,726 INFO L87 Difference]: Start difference. First operand 16593 states and 17139 transitions. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:08,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:08,585 INFO L93 Difference]: Finished difference Result 37379 states and 38693 transitions. [2021-12-17 04:47:08,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:08,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 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 790 [2021-12-17 04:47:08,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:08,604 INFO L225 Difference]: With dead ends: 37379 [2021-12-17 04:47:08,604 INFO L226 Difference]: Without dead ends: 21087 [2021-12-17 04:47:08,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:08,614 INFO L933 BasicCegarLoop]: 504 mSDtfsCounter, 176 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:08,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 547 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:47:08,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21087 states. [2021-12-17 04:47:08,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21087 to 19592. [2021-12-17 04:47:08,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19592 states, 19591 states have (on average 1.0302179572252566) internal successors, (20183), 19591 states have internal predecessors, (20183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:08,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19592 states to 19592 states and 20183 transitions. [2021-12-17 04:47:08,776 INFO L78 Accepts]: Start accepts. Automaton has 19592 states and 20183 transitions. Word has length 790 [2021-12-17 04:47:08,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:08,777 INFO L470 AbstractCegarLoop]: Abstraction has 19592 states and 20183 transitions. [2021-12-17 04:47:08,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 19592 states and 20183 transitions. [2021-12-17 04:47:08,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2021-12-17 04:47:08,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:08,793 INFO L514 BasicCegarLoop]: 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:08,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-17 04:47:08,793 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:08,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:08,794 INFO L85 PathProgramCache]: Analyzing trace with hash 935429561, now seen corresponding path program 1 times [2021-12-17 04:47:08,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:08,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801150079] [2021-12-17 04:47:08,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:08,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 684 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-12-17 04:47:09,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:09,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801150079] [2021-12-17 04:47:09,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801150079] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:09,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:09,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:09,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76122536] [2021-12-17 04:47:09,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:09,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:09,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:09,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:09,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:09,034 INFO L87 Difference]: Start difference. First operand 19592 states and 20183 transitions. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:09,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:09,885 INFO L93 Difference]: Finished difference Result 41572 states and 42894 transitions. [2021-12-17 04:47:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:09,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 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 810 [2021-12-17 04:47:09,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:09,904 INFO L225 Difference]: With dead ends: 41572 [2021-12-17 04:47:09,904 INFO L226 Difference]: Without dead ends: 22281 [2021-12-17 04:47:09,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:09,914 INFO L933 BasicCegarLoop]: 487 mSDtfsCounter, 35 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:09,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 525 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:47:09,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22281 states. [2021-12-17 04:47:10,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22281 to 18980. [2021-12-17 04:47:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18980 states, 18979 states have (on average 1.0299805047684283) internal successors, (19548), 18979 states have internal predecessors, (19548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:10,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18980 states to 18980 states and 19548 transitions. [2021-12-17 04:47:10,061 INFO L78 Accepts]: Start accepts. Automaton has 18980 states and 19548 transitions. Word has length 810 [2021-12-17 04:47:10,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:10,062 INFO L470 AbstractCegarLoop]: Abstraction has 18980 states and 19548 transitions. [2021-12-17 04:47:10,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:10,062 INFO L276 IsEmpty]: Start isEmpty. Operand 18980 states and 19548 transitions. [2021-12-17 04:47:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2021-12-17 04:47:10,074 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:10,074 INFO L514 BasicCegarLoop]: 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:10,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-17 04:47:10,075 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:10,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:10,075 INFO L85 PathProgramCache]: Analyzing trace with hash 501790466, now seen corresponding path program 1 times [2021-12-17 04:47:10,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:10,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855871979] [2021-12-17 04:47:10,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:10,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:10,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 631 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2021-12-17 04:47:10,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:10,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855871979] [2021-12-17 04:47:10,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855871979] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:10,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:10,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:10,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888128943] [2021-12-17 04:47:10,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:10,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:10,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:10,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:10,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:10,284 INFO L87 Difference]: Start difference. First operand 18980 states and 19548 transitions. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:11,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:11,168 INFO L93 Difference]: Finished difference Result 37657 states and 38791 transitions. [2021-12-17 04:47:11,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:11,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 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 811 [2021-12-17 04:47:11,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:11,180 INFO L225 Difference]: With dead ends: 37657 [2021-12-17 04:47:11,181 INFO L226 Difference]: Without dead ends: 18978 [2021-12-17 04:47:11,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:11,187 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 434 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:11,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 66 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:47:11,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18978 states. [2021-12-17 04:47:11,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18978 to 18978. [2021-12-17 04:47:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18978 states, 18977 states have (on average 1.0298782736997418) internal successors, (19544), 18977 states have internal predecessors, (19544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18978 states to 18978 states and 19544 transitions. [2021-12-17 04:47:11,326 INFO L78 Accepts]: Start accepts. Automaton has 18978 states and 19544 transitions. Word has length 811 [2021-12-17 04:47:11,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:11,327 INFO L470 AbstractCegarLoop]: Abstraction has 18978 states and 19544 transitions. [2021-12-17 04:47:11,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 18978 states and 19544 transitions. [2021-12-17 04:47:11,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2021-12-17 04:47:11,337 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:11,337 INFO L514 BasicCegarLoop]: 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, 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:11,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-17 04:47:11,337 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:11,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:11,338 INFO L85 PathProgramCache]: Analyzing trace with hash -735045425, now seen corresponding path program 1 times [2021-12-17 04:47:11,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:11,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407405429] [2021-12-17 04:47:11,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:11,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 753 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2021-12-17 04:47:11,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:11,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407405429] [2021-12-17 04:47:11,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407405429] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:11,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:11,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:11,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284190949] [2021-12-17 04:47:11,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:11,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:11,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:11,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:11,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:11,578 INFO L87 Difference]: Start difference. First operand 18978 states and 19544 transitions. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:12,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:12,439 INFO L93 Difference]: Finished difference Result 39744 states and 41008 transitions. [2021-12-17 04:47:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:12,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 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 825 [2021-12-17 04:47:12,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:12,456 INFO L225 Difference]: With dead ends: 39744 [2021-12-17 04:47:12,456 INFO L226 Difference]: Without dead ends: 21067 [2021-12-17 04:47:12,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:12,462 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 193 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:12,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 459 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:47:12,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21067 states. [2021-12-17 04:47:12,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21067 to 19871. [2021-12-17 04:47:12,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19871 states, 19870 states have (on average 1.0281328636134877) internal successors, (20429), 19870 states have internal predecessors, (20429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:12,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19871 states to 19871 states and 20429 transitions. [2021-12-17 04:47:12,605 INFO L78 Accepts]: Start accepts. Automaton has 19871 states and 20429 transitions. Word has length 825 [2021-12-17 04:47:12,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:12,605 INFO L470 AbstractCegarLoop]: Abstraction has 19871 states and 20429 transitions. [2021-12-17 04:47:12,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:12,605 INFO L276 IsEmpty]: Start isEmpty. Operand 19871 states and 20429 transitions. [2021-12-17 04:47:12,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2021-12-17 04:47:12,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:12,618 INFO L514 BasicCegarLoop]: 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:12,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-17 04:47:12,619 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:12,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:12,619 INFO L85 PathProgramCache]: Analyzing trace with hash 671470593, now seen corresponding path program 1 times [2021-12-17 04:47:12,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:12,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701612115] [2021-12-17 04:47:12,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:12,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 783 proven. 263 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-17 04:47:12,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:12,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701612115] [2021-12-17 04:47:12,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701612115] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:47:12,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556257783] [2021-12-17 04:47:12,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:12,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:47:12,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:47:12,960 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) [2021-12-17 04:47:12,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-17 04:47:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:13,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 1058 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 04:47:13,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:47:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 728 proven. 184 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-12-17 04:47:14,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:47:15,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2021-12-17 04:47:15,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556257783] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 04:47:15,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 04:47:15,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 5] total 10 [2021-12-17 04:47:15,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30475167] [2021-12-17 04:47:15,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:15,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:15,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:15,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:15,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-17 04:47:15,588 INFO L87 Difference]: Start difference. First operand 19871 states and 20429 transitions. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:16,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:16,335 INFO L93 Difference]: Finished difference Result 32825 states and 33657 transitions. [2021-12-17 04:47:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:16,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 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 902 [2021-12-17 04:47:16,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:16,348 INFO L225 Difference]: With dead ends: 32825 [2021-12-17 04:47:16,348 INFO L226 Difference]: Without dead ends: 12956 [2021-12-17 04:47:16,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1808 GetRequests, 1800 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-17 04:47:16,357 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 269 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:16,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 78 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:47:16,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12956 states. [2021-12-17 04:47:16,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12956 to 9904. [2021-12-17 04:47:16,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9904 states, 9903 states have (on average 1.0197919822276078) internal successors, (10099), 9903 states have internal predecessors, (10099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9904 states to 9904 states and 10099 transitions. [2021-12-17 04:47:16,441 INFO L78 Accepts]: Start accepts. Automaton has 9904 states and 10099 transitions. Word has length 902 [2021-12-17 04:47:16,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:16,442 INFO L470 AbstractCegarLoop]: Abstraction has 9904 states and 10099 transitions. [2021-12-17 04:47:16,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 9904 states and 10099 transitions. [2021-12-17 04:47:16,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 962 [2021-12-17 04:47:16,452 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:16,452 INFO L514 BasicCegarLoop]: 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:16,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-17 04:47:16,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-12-17 04:47:16,654 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:16,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:16,655 INFO L85 PathProgramCache]: Analyzing trace with hash 293785821, now seen corresponding path program 1 times [2021-12-17 04:47:16,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:16,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64320194] [2021-12-17 04:47:16,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:16,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:17,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 1046 proven. 263 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-17 04:47:17,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:17,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64320194] [2021-12-17 04:47:17,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64320194] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:47:17,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646646534] [2021-12-17 04:47:17,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:17,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:47:17,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:47:17,022 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) [2021-12-17 04:47:17,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-17 04:47:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:17,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 04:47:17,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:47:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 889 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2021-12-17 04:47:18,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:47:18,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646646534] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:18,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:47:18,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2021-12-17 04:47:18,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869543648] [2021-12-17 04:47:18,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:18,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:47:18,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:18,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:47:18,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-17 04:47:18,514 INFO L87 Difference]: Start difference. First operand 9904 states and 10099 transitions. Second operand has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 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) [2021-12-17 04:47:19,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:19,453 INFO L93 Difference]: Finished difference Result 22501 states and 22965 transitions. [2021-12-17 04:47:19,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:19,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 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 961 [2021-12-17 04:47:19,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:19,469 INFO L225 Difference]: With dead ends: 22501 [2021-12-17 04:47:19,469 INFO L226 Difference]: Without dead ends: 12898 [2021-12-17 04:47:19,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 966 GetRequests, 960 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-17 04:47:19,475 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 86 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:19,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 104 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:47:19,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12898 states. [2021-12-17 04:47:19,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12898 to 11999. [2021-12-17 04:47:19,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11999 states, 11998 states have (on average 1.0180863477246207) internal successors, (12215), 11998 states have internal predecessors, (12215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11999 states to 11999 states and 12215 transitions. [2021-12-17 04:47:19,560 INFO L78 Accepts]: Start accepts. Automaton has 11999 states and 12215 transitions. Word has length 961 [2021-12-17 04:47:19,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:19,561 INFO L470 AbstractCegarLoop]: Abstraction has 11999 states and 12215 transitions. [2021-12-17 04:47:19,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 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) [2021-12-17 04:47:19,561 INFO L276 IsEmpty]: Start isEmpty. Operand 11999 states and 12215 transitions. [2021-12-17 04:47:19,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1093 [2021-12-17 04:47:19,575 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:19,575 INFO L514 BasicCegarLoop]: 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-17 04:47:19,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-17 04:47:19,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:47:19,779 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:19,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:19,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1964789682, now seen corresponding path program 1 times [2021-12-17 04:47:19,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:19,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013143821] [2021-12-17 04:47:19,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:19,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2003 backedges. 1287 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2021-12-17 04:47:20,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:20,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013143821] [2021-12-17 04:47:20,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013143821] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:20,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:20,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 04:47:20,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173642513] [2021-12-17 04:47:20,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:20,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:47:20,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:20,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:47:20,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:47:20,121 INFO L87 Difference]: Start difference. First operand 11999 states and 12215 transitions. Second operand has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:21,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:21,340 INFO L93 Difference]: Finished difference Result 18298 states and 18601 transitions. [2021-12-17 04:47:21,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:47:21,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 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 1092 [2021-12-17 04:47:21,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:21,357 INFO L225 Difference]: With dead ends: 18298 [2021-12-17 04:47:21,358 INFO L226 Difference]: Without dead ends: 18296 [2021-12-17 04:47:21,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:47:21,363 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 362 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:21,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 80 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1393 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:47:21,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18296 states. [2021-12-17 04:47:21,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18296 to 12601. [2021-12-17 04:47:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12601 states, 12600 states have (on average 1.017936507936508) internal successors, (12826), 12600 states have internal predecessors, (12826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12601 states to 12601 states and 12826 transitions. [2021-12-17 04:47:21,492 INFO L78 Accepts]: Start accepts. Automaton has 12601 states and 12826 transitions. Word has length 1092 [2021-12-17 04:47:21,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:21,493 INFO L470 AbstractCegarLoop]: Abstraction has 12601 states and 12826 transitions. [2021-12-17 04:47:21,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:21,493 INFO L276 IsEmpty]: Start isEmpty. Operand 12601 states and 12826 transitions. [2021-12-17 04:47:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1189 [2021-12-17 04:47:21,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:21,512 INFO L514 BasicCegarLoop]: 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:21,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-17 04:47:21,513 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:21,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:21,513 INFO L85 PathProgramCache]: Analyzing trace with hash -154136927, now seen corresponding path program 1 times [2021-12-17 04:47:21,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:21,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631681141] [2021-12-17 04:47:21,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:21,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2236 backedges. 269 proven. 1108 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2021-12-17 04:47:21,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:21,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631681141] [2021-12-17 04:47:21,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631681141] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:47:21,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641355845] [2021-12-17 04:47:21,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:21,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:47:21,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:47:21,902 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) [2021-12-17 04:47:21,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-17 04:47:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:22,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 04:47:22,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:47:27,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2236 backedges. 1451 proven. 0 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-12-17 04:47:27,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:47:27,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641355845] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:27,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:47:27,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:47:27,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031768629] [2021-12-17 04:47:27,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:27,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:27,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:27,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:27,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:47:27,772 INFO L87 Difference]: Start difference. First operand 12601 states and 12826 transitions. Second operand has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:27,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:27,838 INFO L93 Difference]: Finished difference Result 25029 states and 25482 transitions. [2021-12-17 04:47:27,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:27,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 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 1188 [2021-12-17 04:47:27,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:27,852 INFO L225 Difference]: With dead ends: 25029 [2021-12-17 04:47:27,852 INFO L226 Difference]: Without dead ends: 12729 [2021-12-17 04:47:27,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1191 GetRequests, 1187 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:47:27,861 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 508 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:27,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 508 Unchecked, 0.0s Time] [2021-12-17 04:47:27,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12729 states. [2021-12-17 04:47:27,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12729 to 12729. [2021-12-17 04:47:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12729 states, 12728 states have (on average 1.0180703959773727) internal successors, (12958), 12728 states have internal predecessors, (12958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:28,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12729 states to 12729 states and 12958 transitions. [2021-12-17 04:47:28,002 INFO L78 Accepts]: Start accepts. Automaton has 12729 states and 12958 transitions. Word has length 1188 [2021-12-17 04:47:28,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:28,002 INFO L470 AbstractCegarLoop]: Abstraction has 12729 states and 12958 transitions. [2021-12-17 04:47:28,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand 12729 states and 12958 transitions. [2021-12-17 04:47:28,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1190 [2021-12-17 04:47:28,023 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:28,024 INFO L514 BasicCegarLoop]: 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:28,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-17 04:47:28,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:47:28,244 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:28,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:28,244 INFO L85 PathProgramCache]: Analyzing trace with hash -51577157, now seen corresponding path program 1 times [2021-12-17 04:47:28,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:28,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465708576] [2021-12-17 04:47:28,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:28,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 1021 proven. 0 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2021-12-17 04:47:28,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:28,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465708576] [2021-12-17 04:47:28,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465708576] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:28,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:28,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:28,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640153668] [2021-12-17 04:47:28,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:28,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:28,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:28,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:28,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:28,513 INFO L87 Difference]: Start difference. First operand 12729 states and 12958 transitions. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:29,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:29,239 INFO L93 Difference]: Finished difference Result 25455 states and 25918 transitions. [2021-12-17 04:47:29,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:29,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 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 1189 [2021-12-17 04:47:29,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:29,254 INFO L225 Difference]: With dead ends: 25455 [2021-12-17 04:47:29,255 INFO L226 Difference]: Without dead ends: 13027 [2021-12-17 04:47:29,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:29,263 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 309 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:29,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [309 Valid, 403 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:47:29,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13027 states. [2021-12-17 04:47:29,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13027 to 10932. [2021-12-17 04:47:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10932 states, 10931 states have (on average 1.016009514225597) internal successors, (11106), 10931 states have internal predecessors, (11106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10932 states to 10932 states and 11106 transitions. [2021-12-17 04:47:29,356 INFO L78 Accepts]: Start accepts. Automaton has 10932 states and 11106 transitions. Word has length 1189 [2021-12-17 04:47:29,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:29,357 INFO L470 AbstractCegarLoop]: Abstraction has 10932 states and 11106 transitions. [2021-12-17 04:47:29,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 10932 states and 11106 transitions. [2021-12-17 04:47:29,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1217 [2021-12-17 04:47:29,372 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:29,372 INFO L514 BasicCegarLoop]: 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:29,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-17 04:47:29,373 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:29,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:29,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1609974387, now seen corresponding path program 1 times [2021-12-17 04:47:29,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:29,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952016775] [2021-12-17 04:47:29,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:29,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 1150 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-12-17 04:47:29,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:29,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952016775] [2021-12-17 04:47:29,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952016775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:29,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:29,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 04:47:29,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578549550] [2021-12-17 04:47:29,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:29,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 04:47:29,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:29,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 04:47:29,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:47:29,752 INFO L87 Difference]: Start difference. First operand 10932 states and 11106 transitions. Second operand has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:31,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:31,186 INFO L93 Difference]: Finished difference Result 23753 states and 24125 transitions. [2021-12-17 04:47:31,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 04:47:31,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 0 states have call successors, (0), 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 1216 [2021-12-17 04:47:31,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:31,198 INFO L225 Difference]: With dead ends: 23753 [2021-12-17 04:47:31,198 INFO L226 Difference]: Without dead ends: 13122 [2021-12-17 04:47:31,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:47:31,205 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 464 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:31,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 524 Invalid, 2120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:47:31,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13122 states. [2021-12-17 04:47:31,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13122 to 10331. [2021-12-17 04:47:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10331 states, 10330 states have (on average 1.0157792836398838) internal successors, (10493), 10330 states have internal predecessors, (10493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10331 states to 10331 states and 10493 transitions. [2021-12-17 04:47:31,297 INFO L78 Accepts]: Start accepts. Automaton has 10331 states and 10493 transitions. Word has length 1216 [2021-12-17 04:47:31,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:31,298 INFO L470 AbstractCegarLoop]: Abstraction has 10331 states and 10493 transitions. [2021-12-17 04:47:31,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:31,298 INFO L276 IsEmpty]: Start isEmpty. Operand 10331 states and 10493 transitions. [2021-12-17 04:47:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1488 [2021-12-17 04:47:31,316 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:31,317 INFO L514 BasicCegarLoop]: 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-12-17 04:47:31,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-17 04:47:31,317 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:31,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:31,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1520966139, now seen corresponding path program 1 times [2021-12-17 04:47:31,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:31,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439688578] [2021-12-17 04:47:31,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:31,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:32,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3419 backedges. 2506 proven. 128 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-12-17 04:47:32,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:32,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439688578] [2021-12-17 04:47:32,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439688578] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:47:32,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145415617] [2021-12-17 04:47:32,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:32,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:47:32,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:47:32,084 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) [2021-12-17 04:47:32,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-17 04:47:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:32,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-17 04:47:32,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:47:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3419 backedges. 2506 proven. 128 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-12-17 04:47:53,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:48:04,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3419 backedges. 2566 proven. 68 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-12-17 04:48:04,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145415617] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:48:04,437 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:48:04,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 22 [2021-12-17 04:48:04,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877592449] [2021-12-17 04:48:04,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:48:04,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-17 04:48:04,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:04,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-17 04:48:04,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-12-17 04:48:04,440 INFO L87 Difference]: Start difference. First operand 10331 states and 10493 transitions. Second operand has 22 states, 22 states have (on average 68.0) internal successors, (1496), 22 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:08,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:48:08,074 INFO L93 Difference]: Finished difference Result 22673 states and 23029 transitions. [2021-12-17 04:48:08,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-17 04:48:08,074 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 68.0) internal successors, (1496), 22 states have internal predecessors, (1496), 0 states have call successors, (0), 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 1487 [2021-12-17 04:48:08,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:48:08,075 INFO L225 Difference]: With dead ends: 22673 [2021-12-17 04:48:08,075 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 04:48:08,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2993 GetRequests, 2965 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=213, Invalid=437, Unknown=0, NotChecked=0, Total=650 [2021-12-17 04:48:08,082 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 4565 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 5665 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4565 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 5853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 5665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:48:08,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4565 Valid, 196 Invalid, 5853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 5665 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-17 04:48:08,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 04:48:08,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 04:48:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:08,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 04:48:08,084 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1487 [2021-12-17 04:48:08,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:48:08,085 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 04:48:08,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 68.0) internal successors, (1496), 22 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 04:48:08,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 04:48:08,090 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 04:48:08,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-17 04:48:08,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-12-17 04:48:08,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 04:48:27,117 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,117 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,117 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,117 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,117 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-12-17 04:48:27,118 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,119 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,120 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-17 04:48:27,120 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,120 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,120 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,120 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,120 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,120 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,120 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,121 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,122 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-12-17 04:48:27,122 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-12-17 04:48:27,122 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,122 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,122 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,122 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,122 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-17 04:48:27,122 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,122 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,123 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,123 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,123 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,123 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,123 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-12-17 04:48:27,123 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,123 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-12-17 04:48:27,124 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-12-17 04:48:27,124 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-12-17 04:48:27,124 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-17 04:48:27,124 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,124 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,124 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,124 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,124 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,125 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,125 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,125 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,125 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-17 04:48:27,125 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 04:48:27,125 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-12-17 04:48:27,125 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,125 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,126 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,126 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,126 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,126 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-17 04:48:27,126 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,126 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-12-17 04:48:27,126 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-12-17 04:48:27,127 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-12-17 04:48:27,127 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-12-17 04:48:27,127 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-12-17 04:48:27,127 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-12-17 04:48:27,127 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,127 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,127 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,127 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,128 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-12-17 04:48:27,128 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-12-17 04:48:27,128 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,128 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-17 04:48:27,128 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,128 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,128 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,128 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,129 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,129 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,129 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-17 04:48:27,129 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,129 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,129 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,129 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,130 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,130 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-12-17 04:48:27,130 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-12-17 04:48:27,130 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,130 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-17 04:48:27,130 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-12-17 04:48:27,130 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-12-17 04:48:27,130 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,131 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-12-17 04:48:27,131 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-12-17 04:48:27,131 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,131 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,131 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,131 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,131 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-17 04:48:27,132 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,132 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,132 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,132 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,132 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-12-17 04:48:27,132 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-12-17 04:48:27,132 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,132 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-17 04:48:27,133 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,133 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,133 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,133 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,133 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,133 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,133 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-17 04:48:27,133 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,134 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,134 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,134 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,134 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,134 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,134 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,134 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-17 04:48:27,134 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,135 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,135 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,135 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,135 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,135 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-17 04:48:27,135 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,135 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,136 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,136 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,136 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,136 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,136 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,136 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 04:48:27,136 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,136 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-12-17 04:48:27,137 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-12-17 04:48:27,137 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,137 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,137 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-17 04:48:27,137 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,137 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,137 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,137 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,138 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,138 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-17 04:48:27,138 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,138 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,138 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,138 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,138 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,138 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-17 04:48:27,139 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,139 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,139 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,139 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,139 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-17 04:48:27,139 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-17 04:48:27,139 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,140 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,140 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,140 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,140 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,140 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-12-17 04:48:27,140 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-12-17 04:48:27,140 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,140 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-17 04:48:27,141 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-17 04:48:27,141 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,141 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,141 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,141 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,141 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,141 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-12-17 04:48:27,141 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-12-17 04:48:27,142 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-12-17 04:48:27,142 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-12-17 04:48:27,142 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,142 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,142 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,142 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-17 04:48:27,142 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-17 04:48:27,143 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,143 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,143 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,143 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,143 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,143 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,143 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-12-17 04:48:27,144 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-12-17 04:48:27,144 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-17 04:48:27,144 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,144 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-17 04:48:27,144 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,144 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,144 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,144 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,145 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,145 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,145 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,145 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,145 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-17 04:48:27,145 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-17 04:48:27,145 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-12-17 04:48:27,145 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-12-17 04:48:27,146 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,146 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,146 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,146 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,146 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse22 (+ ~a4~0 86)) (.cse21 (+ ~a0~0 147))) (let ((.cse13 (= ~a2~0 3)) (.cse12 (= 4 ~a2~0)) (.cse5 (<= (+ ~a4~0 89) 0)) (.cse3 (<= .cse21 0)) (.cse4 (<= ~a29~0 43)) (.cse10 (<= 0 (+ ~a29~0 192415))) (.cse14 (< 0 (+ ~a29~0 16))) (.cse16 (<= (+ ~a29~0 144) 0)) (.cse20 (<= .cse22 0)) (.cse7 (< (div (+ ~a0~0 144) (- 24)) 1)) (.cse1 (<= (+ ~a0~0 61) 0)) (.cse2 (<= 5 ~a2~0)) (.cse8 (< 0 .cse22)) (.cse11 (< 43 ~a29~0)) (.cse6 (= ~a2~0 2)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse17 (or (= |ULTIMATE.start_calculate_output_~input#1| 4) (= |ULTIMATE.start_calculate_output_~input#1| 5) (= |ULTIMATE.start_calculate_output_~input#1| 1) (= |ULTIMATE.start_calculate_output_~input#1| 6) (= |ULTIMATE.start_calculate_output_~input#1| 2) (= |ULTIMATE.start_calculate_output_~input#1| 3))) (.cse19 (< 0 .cse21)) (.cse15 (= ~a2~0 1)) (.cse9 (<= (+ ~a0~0 98) 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 0 (+ ~a0~0 459337))) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse1 .cse6 .cse9) (and .cse10 .cse5 .cse2) (and .cse0 .cse11 .cse2 .cse3) (and .cse1 .cse5 .cse2) (and .cse12 .cse1 .cse5) (and .cse8 .cse12 .cse0 .cse11 .cse9) (and .cse0 .cse9 .cse13) (and .cse12 .cse4 .cse5) (and .cse14 .cse5 .cse13) (and .cse8 .cse0 .cse1 .cse6 .cse3) (and .cse5 .cse6 (<= 0 (+ ~a0~0 97))) (and .cse1 .cse5 .cse13) (and .cse1 .cse5 .cse15) (and .cse5 .cse16 .cse13) (and .cse12 .cse0 (<= (+ ~a0~0 150) 0)) (let ((.cse18 (+ ~a29~0 127))) (and (<= 0 (+ ~a0~0 44)) .cse17 (<= 0 .cse18) .cse5 .cse15 (<= .cse18 0))) (and .cse0 .cse11 .cse17 .cse15 .cse3) (and .cse4 .cse0 .cse17 .cse10 (or (and .cse1 .cse15) (and .cse8 .cse15)) (or .cse14 .cse19 .cse20)) (and .cse1 .cse15 .cse16 .cse20) (and .cse7 .cse0 .cse1 .cse2 .cse9) (and .cse8 .cse0 .cse11 .cse6 .cse9) (and .cse0 .cse17 .cse19 .cse15 .cse9)))) [2021-12-17 04:48:27,147 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-17 04:48:27,147 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-17 04:48:27,147 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,147 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,147 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,147 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,147 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,148 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,148 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,148 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-12-17 04:48:27,148 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,148 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-12-17 04:48:27,148 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-12-17 04:48:27,148 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,149 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-12-17 04:48:27,149 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-12-17 04:48:27,149 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-17 04:48:27,149 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-17 04:48:27,149 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,149 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,149 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,149 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,150 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,150 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-17 04:48:27,150 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-17 04:48:27,150 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,150 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-12-17 04:48:27,150 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-12-17 04:48:27,150 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,150 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,151 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 04:48:27,151 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,151 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,151 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,151 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,151 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse24 (+ ~a4~0 86))) (let ((.cse0 (<= (+ ~a0~0 61) 0)) (.cse13 (< 0 .cse24)) (.cse9 (= ~a2~0 1)) (.cse23 (+ ~a0~0 147))) (let ((.cse3 (= 4 ~a2~0)) (.cse12 (<= 0 (+ ~a0~0 97))) (.cse10 (<= 0 (+ ~a0~0 459337))) (.cse17 (<= 0 (+ ~a29~0 192415))) (.cse15 (< 43 ~a29~0)) (.cse14 (<= .cse23 0)) (.cse11 (= ~a2~0 2)) (.cse1 (<= (+ ~a4~0 89) 0)) (.cse19 (<= (+ ~a29~0 144) 0)) (.cse6 (= ~a2~0 3)) (.cse7 (<= ~a29~0 43)) (.cse18 (let ((.cse25 (<= ~a29~0 401234))) (or (and .cse0 .cse9 .cse25) (and .cse13 .cse9 .cse25)))) (.cse21 (< 0 (+ ~a29~0 16))) (.cse20 (<= .cse24 0)) (.cse8 (or (= |ULTIMATE.start_calculate_output_~input#1| 4) (= |ULTIMATE.start_calculate_output_~input#1| 5) (= |ULTIMATE.start_calculate_output_~input#1| 1) (= |ULTIMATE.start_calculate_output_~input#1| 6) (= |ULTIMATE.start_calculate_output_~input#1| 2) (= |ULTIMATE.start_calculate_output_~input#1| 3))) (.cse22 (< (div (+ ~a0~0 144) (- 24)) 1)) (.cse4 (<= (+ ~a4~0 42) 0)) (.cse2 (<= 5 ~a2~0)) (.cse5 (<= (+ ~a0~0 98) 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1) (and .cse4 .cse5 .cse6) (and .cse3 .cse7 .cse1) (and (not (= 2 |ULTIMATE.start_calculate_output_~input#1|)) .cse4 .cse8 .cse9 .cse5 .cse10) (and .cse1 .cse11 .cse12) (and .cse0 .cse1 .cse6) (and .cse3 .cse4 (<= (+ ~a0~0 150) 0)) (and .cse13 .cse4 .cse11 .cse14) (and .cse13 .cse3 .cse15 .cse4 .cse5) (let ((.cse16 (+ ~a29~0 127))) (and (<= 0 (+ ~a0~0 44)) (<= 0 .cse16) .cse1 .cse9 (<= .cse16 0))) (and .cse13 .cse4 .cse15 .cse11 .cse5) (and .cse4 .cse17 (<= (+ ~a29~0 9) 0) .cse18 .cse12) (and .cse4 .cse15 .cse9 .cse14) (and .cse4 .cse0 .cse2 .cse14 .cse10) (and .cse7 .cse1 .cse11) (and .cse9 .cse19 .cse20) (and .cse17 .cse1 .cse2) (and .cse4 .cse15 .cse2 .cse14) (and .cse21 .cse1 .cse6) (and .cse22 .cse13 .cse4 .cse11 .cse5) (and .cse0 .cse1 .cse9) (and .cse1 .cse19 .cse6) (and .cse4 .cse7 .cse8 .cse18 (or .cse21 .cse20)) (and .cse8 .cse4 (< 0 .cse23) .cse9 .cse5) (and .cse22 .cse4 .cse0 .cse2 .cse5))))) [2021-12-17 04:48:27,152 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,152 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-17 04:48:27,152 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-17 04:48:27,152 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,152 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,152 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,152 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,153 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,153 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,153 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-17 04:48:27,153 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-17 04:48:27,153 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,153 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,153 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-12-17 04:48:27,153 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,154 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,154 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,154 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,154 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,154 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,154 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-17 04:48:27,154 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-17 04:48:27,154 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,155 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,155 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,155 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,155 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,155 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,155 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-17 04:48:27,155 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,155 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-17 04:48:27,156 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,156 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,156 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,156 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,156 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,156 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,156 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,156 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-17 04:48:27,157 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-17 04:48:27,157 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,157 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,157 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,157 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,157 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,157 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,157 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,158 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-17 04:48:27,158 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-17 04:48:27,158 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,158 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,158 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,158 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,158 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,158 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,159 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,159 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-12-17 04:48:27,159 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-12-17 04:48:27,159 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,159 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-17 04:48:27,159 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-17 04:48:27,159 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,160 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,160 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,160 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,160 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,160 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,160 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse24 (+ ~a4~0 86))) (let ((.cse0 (<= (+ ~a0~0 61) 0)) (.cse13 (< 0 .cse24)) (.cse9 (= ~a2~0 1)) (.cse23 (+ ~a0~0 147))) (let ((.cse3 (= 4 ~a2~0)) (.cse12 (<= 0 (+ ~a0~0 97))) (.cse10 (<= 0 (+ ~a0~0 459337))) (.cse16 (<= 0 (+ ~a29~0 192415))) (.cse15 (< 43 ~a29~0)) (.cse14 (<= .cse23 0)) (.cse11 (= ~a2~0 2)) (.cse18 (<= (+ ~a29~0 144) 0)) (.cse6 (= ~a2~0 3)) (.cse1 (<= (+ ~a4~0 89) 0)) (.cse7 (<= ~a29~0 43)) (.cse17 (let ((.cse25 (<= ~a29~0 401234))) (or (and .cse0 .cse9 .cse25) (and .cse13 .cse9 .cse25)))) (.cse20 (< 0 (+ ~a29~0 16))) (.cse19 (<= .cse24 0)) (.cse8 (or (= |ULTIMATE.start_calculate_output_~input#1| 4) (= |ULTIMATE.start_calculate_output_~input#1| 5) (= |ULTIMATE.start_calculate_output_~input#1| 1) (= |ULTIMATE.start_calculate_output_~input#1| 6) (= |ULTIMATE.start_calculate_output_~input#1| 2) (= |ULTIMATE.start_calculate_output_~input#1| 3))) (.cse21 (< (div (+ ~a0~0 144) (- 24)) 1)) (.cse4 (<= (+ ~a4~0 42) 0)) (.cse2 (<= 5 ~a2~0)) (.cse5 (<= (+ ~a0~0 98) 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1) (and .cse4 .cse5 .cse6) (and .cse3 .cse7 .cse1) (and (not (= 2 |ULTIMATE.start_calculate_output_~input#1|)) .cse4 .cse8 .cse9 .cse5 .cse10) (and .cse1 .cse11 .cse12) (and .cse0 .cse1 .cse6) (and .cse3 .cse4 (<= (+ ~a0~0 150) 0)) (and .cse13 .cse4 .cse11 .cse14) (and .cse13 .cse3 .cse15 .cse4 .cse5) (and .cse13 .cse4 .cse15 .cse11 .cse5) (and .cse4 .cse16 (<= (+ ~a29~0 9) 0) .cse17 .cse12) (and .cse4 .cse15 .cse9 .cse14) (and .cse4 .cse0 .cse2 .cse14 .cse10) (and .cse7 .cse1 .cse11) (and .cse9 .cse18 .cse19) (and .cse16 .cse1 .cse2) (and .cse4 .cse15 .cse2 .cse14) (and .cse20 .cse1 .cse6) (and .cse21 .cse13 .cse4 .cse11 .cse5) (and .cse0 .cse1 .cse9) (and .cse1 .cse18 .cse6) (let ((.cse22 (+ ~a29~0 127))) (and (<= 0 (+ ~a0~0 44)) .cse8 (<= 0 .cse22) .cse1 .cse9 (<= .cse22 0))) (and .cse4 .cse7 .cse8 .cse17 (or .cse20 .cse19)) (and .cse8 .cse4 (< 0 .cse23) .cse9 .cse5) (and .cse21 .cse4 .cse0 .cse2 .cse5))))) [2021-12-17 04:48:27,161 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-17 04:48:27,161 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-17 04:48:27,161 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,161 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,161 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,161 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,161 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,161 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,162 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,162 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,162 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-17 04:48:27,162 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-17 04:48:27,162 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,162 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-12-17 04:48:27,162 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-12-17 04:48:27,162 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,163 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,163 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,163 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,163 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,163 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,163 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 04:48:27,163 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-17 04:48:27,163 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,164 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,164 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,164 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,164 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-12-17 04:48:27,164 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-12-17 04:48:27,164 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-12-17 04:48:27,164 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,164 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-12-17 04:48:27,165 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-17 04:48:27,165 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,165 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,165 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,165 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,165 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,165 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,165 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,166 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-17 04:48:27,166 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,166 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,166 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,166 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,166 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-17 04:48:27,166 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,166 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,167 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-12-17 04:48:27,167 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,167 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,167 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,167 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,167 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,167 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,167 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,168 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-12-17 04:48:27,168 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-12-17 04:48:27,168 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,168 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-17 04:48:27,168 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,168 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:27,168 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,169 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-17 04:48:27,169 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-12-17 04:48:27,172 INFO L732 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] [2021-12-17 04:48:27,173 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 04:48:27,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 04:48:27 BoogieIcfgContainer [2021-12-17 04:48:27,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 04:48:27,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 04:48:27,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 04:48:27,200 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 04:48:27,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:46:10" (3/4) ... [2021-12-17 04:48:27,203 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 04:48:27,230 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-17 04:48:27,232 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 04:48:27,238 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 04:48:27,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 04:48:27,398 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 04:48:27,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 04:48:27,399 INFO L158 Benchmark]: Toolchain (without parser) took 140867.05ms. Allocated memory was 92.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 58.5MB in the beginning and 497.0MB in the end (delta: -438.5MB). Peak memory consumption was 644.7MB. Max. memory is 16.1GB. [2021-12-17 04:48:27,399 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 04:48:27,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 952.38ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 58.2MB in the beginning and 58.0MB in the end (delta: 196.7kB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-17 04:48:27,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 220.54ms. Allocated memory is still 111.1MB. Free memory was 58.0MB in the beginning and 47.3MB in the end (delta: 10.7MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2021-12-17 04:48:27,405 INFO L158 Benchmark]: Boogie Preprocessor took 192.90ms. Allocated memory is still 111.1MB. Free memory was 47.3MB in the beginning and 44.5MB in the end (delta: 2.8MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2021-12-17 04:48:27,405 INFO L158 Benchmark]: RCFGBuilder took 2543.45ms. Allocated memory was 111.1MB in the beginning and 270.5MB in the end (delta: 159.4MB). Free memory was 44.5MB in the beginning and 166.1MB in the end (delta: -121.6MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2021-12-17 04:48:27,406 INFO L158 Benchmark]: TraceAbstraction took 136750.83ms. Allocated memory was 270.5MB in the beginning and 1.2GB in the end (delta: 903.9MB). Free memory was 165.0MB in the beginning and 538.9MB in the end (delta: -373.9MB). Peak memory consumption was 781.7MB. Max. memory is 16.1GB. [2021-12-17 04:48:27,409 INFO L158 Benchmark]: Witness Printer took 198.75ms. Allocated memory is still 1.2GB. Free memory was 538.9MB in the beginning and 497.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-12-17 04:48:27,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 952.38ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 58.2MB in the beginning and 58.0MB in the end (delta: 196.7kB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 220.54ms. Allocated memory is still 111.1MB. Free memory was 58.0MB in the beginning and 47.3MB in the end (delta: 10.7MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 192.90ms. Allocated memory is still 111.1MB. Free memory was 47.3MB in the beginning and 44.5MB in the end (delta: 2.8MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2543.45ms. Allocated memory was 111.1MB in the beginning and 270.5MB in the end (delta: 159.4MB). Free memory was 44.5MB in the beginning and 166.1MB in the end (delta: -121.6MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. * TraceAbstraction took 136750.83ms. Allocated memory was 270.5MB in the beginning and 1.2GB in the end (delta: 903.9MB). Free memory was 165.0MB in the beginning and 538.9MB in the end (delta: -373.9MB). Peak memory consumption was 781.7MB. Max. memory is 16.1GB. * Witness Printer took 198.75ms. Allocated memory is still 1.2GB. Free memory was 538.9MB in the beginning and 497.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. 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: 185]: 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: 136.7s, OverallIterations: 29, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 46.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16942 SdHoareTripleChecker+Valid, 42.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16942 mSDsluCounter, 10541 SdHoareTripleChecker+Invalid, 36.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1014 IncrementalHoareTripleChecker+Unchecked, 1583 mSDsCounter, 5139 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41569 IncrementalHoareTripleChecker+Invalid, 47722 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5139 mSolverCounterUnsat, 8958 mSDtfsCounter, 41569 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11020 GetRequests, 10896 SyntacticMatches, 6 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19871occurred in iteration=22, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 29 MinimizatonAttempts, 38421 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 211 NumberOfFragments, 1687 HoareAnnotationTreeSize, 4 FomulaSimplifications, 56379 FormulaSimplificationTreeSizeReduction, 8.7s HoareSimplificationTime, 4 FomulaSimplificationsInter, 257779 FormulaSimplificationTreeSizeReductionInter, 10.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 61.2s InterpolantComputationTime, 26236 NumberOfCodeBlocks, 26236 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 29909 ConstructedInterpolants, 182 QuantifiedInterpolants, 159937 SizeOfPredicates, 21 NumberOfNonLiveVariables, 8429 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 41 InterpolantComputations, 26 PerfectInterpolantSequences, 40627/43985 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: ((((((((((((((((((((((((((a4 + 42 <= 0 && a0 + 61 <= 0) && 5 <= a2) && a0 + 147 <= 0) && 0 <= a0 + 459337) || ((a29 <= 43 && a4 + 89 <= 0) && a2 == 2)) || ((((((a0 + 144) / -24 < 1 && 0 < a4 + 86) && a4 + 42 <= 0) && a0 + 61 <= 0) && a2 == 2) && a0 + 98 <= 0)) || ((0 <= a29 + 192415 && a4 + 89 <= 0) && 5 <= a2)) || (((a4 + 42 <= 0 && 43 < a29) && 5 <= a2) && a0 + 147 <= 0)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && 5 <= a2)) || ((4 == a2 && a0 + 61 <= 0) && a4 + 89 <= 0)) || ((((0 < a4 + 86 && 4 == a2) && a4 + 42 <= 0) && 43 < a29) && a0 + 98 <= 0)) || ((a4 + 42 <= 0 && a0 + 98 <= 0) && a2 == 3)) || ((4 == a2 && a29 <= 43) && a4 + 89 <= 0)) || ((0 < a29 + 16 && a4 + 89 <= 0) && a2 == 3)) || ((((0 < a4 + 86 && a4 + 42 <= 0) && a0 + 61 <= 0) && a2 == 2) && a0 + 147 <= 0)) || ((a4 + 89 <= 0 && a2 == 2) && 0 <= a0 + 97)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 3)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 1)) || ((a4 + 89 <= 0 && a29 + 144 <= 0) && a2 == 3)) || ((4 == a2 && a4 + 42 <= 0) && a0 + 150 <= 0)) || (((((0 <= a0 + 44 && (((((input == 4 || input == 5) || input == 1) || input == 6) || input == 2) || input == 3)) && 0 <= a29 + 127) && a4 + 89 <= 0) && a2 == 1) && a29 + 127 <= 0)) || ((((a4 + 42 <= 0 && 43 < a29) && (((((input == 4 || input == 5) || input == 1) || input == 6) || input == 2) || input == 3)) && a2 == 1) && a0 + 147 <= 0)) || (((((a29 <= 43 && a4 + 42 <= 0) && (((((input == 4 || input == 5) || input == 1) || input == 6) || input == 2) || input == 3)) && 0 <= a29 + 192415) && ((a0 + 61 <= 0 && a2 == 1) || (0 < a4 + 86 && a2 == 1))) && ((0 < a29 + 16 || 0 < a0 + 147) || a4 + 86 <= 0))) || (((a0 + 61 <= 0 && a2 == 1) && a29 + 144 <= 0) && a4 + 86 <= 0)) || (((((a0 + 144) / -24 < 1 && a4 + 42 <= 0) && a0 + 61 <= 0) && 5 <= a2) && a0 + 98 <= 0)) || ((((0 < a4 + 86 && a4 + 42 <= 0) && 43 < a29) && a2 == 2) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && (((((input == 4 || input == 5) || input == 1) || input == 6) || input == 2) || input == 3)) && 0 < a0 + 147) && a2 == 1) && a0 + 98 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a0 + 61 <= 0 && a4 + 89 <= 0) && 5 <= a2) || ((4 == a2 && a0 + 61 <= 0) && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a0 + 98 <= 0) && a2 == 3)) || ((4 == a2 && a29 <= 43) && a4 + 89 <= 0)) || (((((!(2 == input) && a4 + 42 <= 0) && (((((input == 4 || input == 5) || input == 1) || input == 6) || input == 2) || input == 3)) && a2 == 1) && a0 + 98 <= 0) && 0 <= a0 + 459337)) || ((a4 + 89 <= 0 && a2 == 2) && 0 <= a0 + 97)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 3)) || ((4 == a2 && a4 + 42 <= 0) && a0 + 150 <= 0)) || (((0 < a4 + 86 && a4 + 42 <= 0) && a2 == 2) && a0 + 147 <= 0)) || ((((0 < a4 + 86 && 4 == a2) && 43 < a29) && a4 + 42 <= 0) && a0 + 98 <= 0)) || ((((0 <= a0 + 44 && 0 <= a29 + 127) && a4 + 89 <= 0) && a2 == 1) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && a4 + 42 <= 0) && 43 < a29) && a2 == 2) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && 0 <= a29 + 192415) && a29 + 9 <= 0) && (((a0 + 61 <= 0 && a2 == 1) && a29 <= 401234) || ((0 < a4 + 86 && a2 == 1) && a29 <= 401234))) && 0 <= a0 + 97)) || (((a4 + 42 <= 0 && 43 < a29) && a2 == 1) && a0 + 147 <= 0)) || ((((a4 + 42 <= 0 && a0 + 61 <= 0) && 5 <= a2) && a0 + 147 <= 0) && 0 <= a0 + 459337)) || ((a29 <= 43 && a4 + 89 <= 0) && a2 == 2)) || ((a2 == 1 && a29 + 144 <= 0) && a4 + 86 <= 0)) || ((0 <= a29 + 192415 && a4 + 89 <= 0) && 5 <= a2)) || (((a4 + 42 <= 0 && 43 < a29) && 5 <= a2) && a0 + 147 <= 0)) || ((0 < a29 + 16 && a4 + 89 <= 0) && a2 == 3)) || (((((a0 + 144) / -24 < 1 && 0 < a4 + 86) && a4 + 42 <= 0) && a2 == 2) && a0 + 98 <= 0)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 1)) || ((a4 + 89 <= 0 && a29 + 144 <= 0) && a2 == 3)) || ((((a4 + 42 <= 0 && a29 <= 43) && (((((input == 4 || input == 5) || input == 1) || input == 6) || input == 2) || input == 3)) && (((a0 + 61 <= 0 && a2 == 1) && a29 <= 401234) || ((0 < a4 + 86 && a2 == 1) && a29 <= 401234))) && (0 < a29 + 16 || a4 + 86 <= 0))) || (((((((((input == 4 || input == 5) || input == 1) || input == 6) || input == 2) || input == 3) && a4 + 42 <= 0) && 0 < a0 + 147) && a2 == 1) && a0 + 98 <= 0)) || (((((a0 + 144) / -24 < 1 && a4 + 42 <= 0) && a0 + 61 <= 0) && 5 <= a2) && a0 + 98 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a0 + 61 <= 0 && a4 + 89 <= 0) && 5 <= a2) || ((4 == a2 && a0 + 61 <= 0) && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a0 + 98 <= 0) && a2 == 3)) || ((4 == a2 && a29 <= 43) && a4 + 89 <= 0)) || (((((!(2 == input) && a4 + 42 <= 0) && (((((input == 4 || input == 5) || input == 1) || input == 6) || input == 2) || input == 3)) && a2 == 1) && a0 + 98 <= 0) && 0 <= a0 + 459337)) || ((a4 + 89 <= 0 && a2 == 2) && 0 <= a0 + 97)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 3)) || ((4 == a2 && a4 + 42 <= 0) && a0 + 150 <= 0)) || (((0 < a4 + 86 && a4 + 42 <= 0) && a2 == 2) && a0 + 147 <= 0)) || ((((0 < a4 + 86 && 4 == a2) && 43 < a29) && a4 + 42 <= 0) && a0 + 98 <= 0)) || ((((0 < a4 + 86 && a4 + 42 <= 0) && 43 < a29) && a2 == 2) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && 0 <= a29 + 192415) && a29 + 9 <= 0) && (((a0 + 61 <= 0 && a2 == 1) && a29 <= 401234) || ((0 < a4 + 86 && a2 == 1) && a29 <= 401234))) && 0 <= a0 + 97)) || (((a4 + 42 <= 0 && 43 < a29) && a2 == 1) && a0 + 147 <= 0)) || ((((a4 + 42 <= 0 && a0 + 61 <= 0) && 5 <= a2) && a0 + 147 <= 0) && 0 <= a0 + 459337)) || ((a29 <= 43 && a4 + 89 <= 0) && a2 == 2)) || ((a2 == 1 && a29 + 144 <= 0) && a4 + 86 <= 0)) || ((0 <= a29 + 192415 && a4 + 89 <= 0) && 5 <= a2)) || (((a4 + 42 <= 0 && 43 < a29) && 5 <= a2) && a0 + 147 <= 0)) || ((0 < a29 + 16 && a4 + 89 <= 0) && a2 == 3)) || (((((a0 + 144) / -24 < 1 && 0 < a4 + 86) && a4 + 42 <= 0) && a2 == 2) && a0 + 98 <= 0)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 1)) || ((a4 + 89 <= 0 && a29 + 144 <= 0) && a2 == 3)) || (((((0 <= a0 + 44 && (((((input == 4 || input == 5) || input == 1) || input == 6) || input == 2) || input == 3)) && 0 <= a29 + 127) && a4 + 89 <= 0) && a2 == 1) && a29 + 127 <= 0)) || ((((a4 + 42 <= 0 && a29 <= 43) && (((((input == 4 || input == 5) || input == 1) || input == 6) || input == 2) || input == 3)) && (((a0 + 61 <= 0 && a2 == 1) && a29 <= 401234) || ((0 < a4 + 86 && a2 == 1) && a29 <= 401234))) && (0 < a29 + 16 || a4 + 86 <= 0))) || (((((((((input == 4 || input == 5) || input == 1) || input == 6) || input == 2) || input == 3) && a4 + 42 <= 0) && 0 < a0 + 147) && a2 == 1) && a0 + 98 <= 0)) || (((((a0 + 144) / -24 < 1 && a4 + 42 <= 0) && a0 + 61 <= 0) && 5 <= a2) && a0 + 98 <= 0) RESULT: Ultimate proved your program to be correct! [2021-12-17 04:48:27,447 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