./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label28.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_label28.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 e1b64adb5298d170b0a0065804aa34285565fef303a8d1c9e978e6f35837be1e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 04:48:30,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 04:48:30,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 04:48:30,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 04:48:30,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 04:48:30,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 04:48:30,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 04:48:30,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 04:48:30,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 04:48:30,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 04:48:30,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 04:48:30,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 04:48:30,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 04:48:30,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 04:48:30,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 04:48:30,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 04:48:30,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 04:48:30,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 04:48:30,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 04:48:30,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 04:48:30,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 04:48:30,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 04:48:30,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 04:48:30,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 04:48:30,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 04:48:30,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 04:48:30,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 04:48:30,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 04:48:30,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 04:48:30,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 04:48:30,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 04:48:30,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 04:48:30,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 04:48:30,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 04:48:30,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 04:48:30,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 04:48:30,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 04:48:30,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 04:48:30,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 04:48:30,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 04:48:30,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 04:48:30,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 04:48:30,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 04:48:30,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 04:48:30,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 04:48:30,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 04:48:30,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 04:48:30,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 04:48:30,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 04:48:30,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 04:48:30,705 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 04:48:30,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 04:48:30,706 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 04:48:30,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 04:48:30,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 04:48:30,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 04:48:30,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 04:48:30,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 04:48:30,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 04:48:30,707 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 04:48:30,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 04:48:30,707 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 04:48:30,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 04:48:30,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 04:48:30,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 04:48:30,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 04:48:30,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:48:30,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 04:48:30,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 04:48:30,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 04:48:30,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 04:48:30,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 04:48:30,710 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 04:48:30,710 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 04:48:30,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 04:48:30,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 04:48:30,711 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1b64adb5298d170b0a0065804aa34285565fef303a8d1c9e978e6f35837be1e [2021-12-17 04:48:30,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 04:48:30,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 04:48:30,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 04:48:30,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 04:48:30,888 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 04:48:30,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label28.c [2021-12-17 04:48:30,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c28ba69/a73eb8f46ce940dc8dcfb645b476361b/FLAG63e223dd5 [2021-12-17 04:48:31,390 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 04:48:31,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label28.c [2021-12-17 04:48:31,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c28ba69/a73eb8f46ce940dc8dcfb645b476361b/FLAG63e223dd5 [2021-12-17 04:48:31,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c28ba69/a73eb8f46ce940dc8dcfb645b476361b [2021-12-17 04:48:31,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 04:48:31,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 04:48:31,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 04:48:31,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 04:48:31,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 04:48:31,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:48:31" (1/1) ... [2021-12-17 04:48:31,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b69ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:31, skipping insertion in model container [2021-12-17 04:48:31,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:48:31" (1/1) ... [2021-12-17 04:48:31,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 04:48:31,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 04:48:31,673 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_label28.c[4049,4062] [2021-12-17 04:48:31,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:48:31,977 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 04:48:31,988 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_label28.c[4049,4062] [2021-12-17 04:48:32,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:48:32,214 INFO L208 MainTranslator]: Completed translation [2021-12-17 04:48:32,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32 WrapperNode [2021-12-17 04:48:32,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 04:48:32,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 04:48:32,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 04:48:32,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 04:48:32,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32" (1/1) ... [2021-12-17 04:48:32,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32" (1/1) ... [2021-12-17 04:48:32,414 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-12-17 04:48:32,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 04:48:32,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 04:48:32,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 04:48:32,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 04:48:32,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32" (1/1) ... [2021-12-17 04:48:32,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32" (1/1) ... [2021-12-17 04:48:32,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32" (1/1) ... [2021-12-17 04:48:32,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32" (1/1) ... [2021-12-17 04:48:32,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32" (1/1) ... [2021-12-17 04:48:32,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32" (1/1) ... [2021-12-17 04:48:32,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32" (1/1) ... [2021-12-17 04:48:32,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 04:48:32,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 04:48:32,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 04:48:32,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 04:48:32,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32" (1/1) ... [2021-12-17 04:48:32,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:48:32,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:48:32,613 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 04:48:32,646 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 04:48:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 04:48:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 04:48:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 04:48:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 04:48:32,722 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 04:48:32,723 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 04:48:34,466 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 04:48:34,473 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 04:48:34,473 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 04:48:34,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:48:34 BoogieIcfgContainer [2021-12-17 04:48:34,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 04:48:34,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 04:48:34,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 04:48:34,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 04:48:34,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 04:48:31" (1/3) ... [2021-12-17 04:48:34,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5cb24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:48:34, skipping insertion in model container [2021-12-17 04:48:34,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:48:32" (2/3) ... [2021-12-17 04:48:34,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5cb24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:48:34, skipping insertion in model container [2021-12-17 04:48:34,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:48:34" (3/3) ... [2021-12-17 04:48:34,482 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label28.c [2021-12-17 04:48:34,486 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 04:48:34,486 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 04:48:34,525 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 04:48:34,532 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 04:48:34,532 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 04:48:34,553 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 04:48:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 04:48:34,557 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:48:34,558 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] [2021-12-17 04:48:34,558 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:48:34,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:48:34,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2021-12-17 04:48:34,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:48:34,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029367382] [2021-12-17 04:48:34,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:34,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:48:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:34,720 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 04:48:34,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:48:34,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029367382] [2021-12-17 04:48:34,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029367382] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:48:34,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:48:34,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:48:34,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283729294] [2021-12-17 04:48:34,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:48:34,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:48:34,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:34,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:48:34,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:48:34,743 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 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 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 04:48:36,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:48:36,612 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2021-12-17 04:48:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:48:36,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2021-12-17 04:48:36,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:48:36,629 INFO L225 Difference]: With dead ends: 1154 [2021-12-17 04:48:36,638 INFO L226 Difference]: Without dead ends: 665 [2021-12-17 04:48:36,644 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 04:48:36,648 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 289 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:48:36,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-17 04:48:36,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-12-17 04:48:36,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2021-12-17 04:48:36,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2021-12-17 04:48:36,712 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 32 [2021-12-17 04:48:36,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:48:36,712 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2021-12-17 04:48:36,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 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 04:48:36,712 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2021-12-17 04:48:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-17 04:48:36,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:48:36,714 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:48:36,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 04:48:36,714 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:48:36,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:48:36,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1267812269, now seen corresponding path program 1 times [2021-12-17 04:48:36,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:48:36,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036181887] [2021-12-17 04:48:36,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:36,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:48:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:48:36,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:48:36,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036181887] [2021-12-17 04:48:36,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036181887] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:48:36,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:48:36,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:48:36,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896568180] [2021-12-17 04:48:36,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:48:36,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:48:36,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:36,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:48:36,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:48:36,876 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:48:38,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:48:38,254 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2021-12-17 04:48:38,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:48:38,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2021-12-17 04:48:38,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:48:38,269 INFO L225 Difference]: With dead ends: 1624 [2021-12-17 04:48:38,269 INFO L226 Difference]: Without dead ends: 963 [2021-12-17 04:48:38,270 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 04:48:38,277 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:48:38,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:48:38,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-12-17 04:48:38,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-12-17 04:48:38,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2021-12-17 04:48:38,298 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 97 [2021-12-17 04:48:38,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:48:38,299 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2021-12-17 04:48:38,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:48:38,299 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2021-12-17 04:48:38,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-17 04:48:38,301 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:48:38,301 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:48:38,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 04:48:38,301 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:48:38,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:48:38,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2127074300, now seen corresponding path program 1 times [2021-12-17 04:48:38,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:48:38,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989071482] [2021-12-17 04:48:38,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:38,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:48:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:38,426 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:48:38,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:48:38,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989071482] [2021-12-17 04:48:38,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989071482] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:48:38,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:48:38,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 04:48:38,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538695627] [2021-12-17 04:48:38,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:48:38,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 04:48:38,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:38,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 04:48:38,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:48:38,429 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:40,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:48:40,102 INFO L93 Difference]: Finished difference Result 2248 states and 3205 transitions. [2021-12-17 04:48:40,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 04:48:40,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-12-17 04:48:40,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:48:40,107 INFO L225 Difference]: With dead ends: 2248 [2021-12-17 04:48:40,108 INFO L226 Difference]: Without dead ends: 1586 [2021-12-17 04:48:40,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:48:40,114 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 396 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 2165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 638 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:48:40,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [396 Valid, 341 Invalid, 2165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [638 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-17 04:48:40,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2021-12-17 04:48:40,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1266. [2021-12-17 04:48:40,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:40,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2021-12-17 04:48:40,175 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 102 [2021-12-17 04:48:40,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:48:40,176 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2021-12-17 04:48:40,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:40,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2021-12-17 04:48:40,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-17 04:48:40,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:48:40,183 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:48:40,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 04:48:40,184 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:48:40,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:48:40,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1665178049, now seen corresponding path program 1 times [2021-12-17 04:48:40,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:48:40,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057368048] [2021-12-17 04:48:40,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:40,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:48:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-17 04:48:40,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:48:40,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057368048] [2021-12-17 04:48:40,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057368048] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:48:40,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:48:40,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:48:40,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771689893] [2021-12-17 04:48:40,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:48:40,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:48:40,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:40,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:48:40,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:48:40,339 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 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 04:48:41,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:48:41,445 INFO L93 Difference]: Finished difference Result 3436 states and 4550 transitions. [2021-12-17 04:48:41,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:48:41,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 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 198 [2021-12-17 04:48:41,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:48:41,451 INFO L225 Difference]: With dead ends: 3436 [2021-12-17 04:48:41,452 INFO L226 Difference]: Without dead ends: 2172 [2021-12-17 04:48:41,453 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 04:48:41,454 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:48:41,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:48:41,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2021-12-17 04:48:41,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2168. [2021-12-17 04:48:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2168 states, 2167 states have (on average 1.2344254730041533) internal successors, (2675), 2167 states have internal predecessors, (2675), 0 states have call successors, (0), 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 04:48:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 2675 transitions. [2021-12-17 04:48:41,479 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 2675 transitions. Word has length 198 [2021-12-17 04:48:41,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:48:41,480 INFO L470 AbstractCegarLoop]: Abstraction has 2168 states and 2675 transitions. [2021-12-17 04:48:41,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 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 04:48:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 2675 transitions. [2021-12-17 04:48:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-17 04:48:41,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:48:41,483 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:48:41,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 04:48:41,483 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:48:41,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:48:41,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1158649091, now seen corresponding path program 1 times [2021-12-17 04:48:41,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:48:41,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019613612] [2021-12-17 04:48:41,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:41,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:48:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:41,622 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-17 04:48:41,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:48:41,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019613612] [2021-12-17 04:48:41,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019613612] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:48:41,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:48:41,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:48:41,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669191819] [2021-12-17 04:48:41,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:48:41,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:48:41,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:41,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:48:41,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:48:41,624 INFO L87 Difference]: Start difference. First operand 2168 states and 2675 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:42,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:48:42,685 INFO L93 Difference]: Finished difference Result 4633 states and 5659 transitions. [2021-12-17 04:48:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:48:42,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 304 [2021-12-17 04:48:42,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:48:42,693 INFO L225 Difference]: With dead ends: 4633 [2021-12-17 04:48:42,693 INFO L226 Difference]: Without dead ends: 2467 [2021-12-17 04:48:42,695 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 04:48:42,696 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:48:42,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:48:42,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2021-12-17 04:48:42,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2467. [2021-12-17 04:48:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2467 states, 2466 states have (on average 1.208434712084347) internal successors, (2980), 2466 states have internal predecessors, (2980), 0 states have call successors, (0), 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 04:48:42,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 2980 transitions. [2021-12-17 04:48:42,726 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 2980 transitions. Word has length 304 [2021-12-17 04:48:42,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:48:42,726 INFO L470 AbstractCegarLoop]: Abstraction has 2467 states and 2980 transitions. [2021-12-17 04:48:42,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 2980 transitions. [2021-12-17 04:48:42,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-12-17 04:48:42,729 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:48:42,729 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:48:42,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 04:48:42,730 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:48:42,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:48:42,730 INFO L85 PathProgramCache]: Analyzing trace with hash 579536590, now seen corresponding path program 1 times [2021-12-17 04:48:42,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:48:42,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603562438] [2021-12-17 04:48:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:42,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:48:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-17 04:48:42,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:48:42,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603562438] [2021-12-17 04:48:42,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603562438] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:48:42,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:48:42,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:48:42,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036895627] [2021-12-17 04:48:42,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:48:42,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:48:42,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:42,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:48:42,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:48:42,810 INFO L87 Difference]: Start difference. First operand 2467 states and 2980 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 04:48:44,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:48:44,140 INFO L93 Difference]: Finished difference Result 5232 states and 6542 transitions. [2021-12-17 04:48:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:48:44,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 319 [2021-12-17 04:48:44,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:48:44,149 INFO L225 Difference]: With dead ends: 5232 [2021-12-17 04:48:44,149 INFO L226 Difference]: Without dead ends: 3066 [2021-12-17 04:48:44,152 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 04:48:44,153 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 283 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 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, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:48:44,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:48:44,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2021-12-17 04:48:44,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 2165. [2021-12-17 04:48:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2165 states, 2164 states have (on average 1.2310536044362292) internal successors, (2664), 2164 states have internal predecessors, (2664), 0 states have call successors, (0), 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 04:48:44,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 2664 transitions. [2021-12-17 04:48:44,182 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 2664 transitions. Word has length 319 [2021-12-17 04:48:44,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:48:44,183 INFO L470 AbstractCegarLoop]: Abstraction has 2165 states and 2664 transitions. [2021-12-17 04:48:44,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 04:48:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 2664 transitions. [2021-12-17 04:48:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-12-17 04:48:44,186 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:48:44,186 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:48:44,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 04:48:44,187 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:48:44,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:48:44,187 INFO L85 PathProgramCache]: Analyzing trace with hash -84480945, now seen corresponding path program 1 times [2021-12-17 04:48:44,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:48:44,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878413518] [2021-12-17 04:48:44,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:44,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:48:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-17 04:48:44,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:48:44,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878413518] [2021-12-17 04:48:44,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878413518] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:48:44,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:48:44,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:48:44,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657981633] [2021-12-17 04:48:44,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:48:44,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:48:44,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:44,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:48:44,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:48:44,282 INFO L87 Difference]: Start difference. First operand 2165 states and 2664 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 04:48:45,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:48:45,475 INFO L93 Difference]: Finished difference Result 5235 states and 6625 transitions. [2021-12-17 04:48:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:48:45,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 378 [2021-12-17 04:48:45,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:48:45,518 INFO L225 Difference]: With dead ends: 5235 [2021-12-17 04:48:45,519 INFO L226 Difference]: Without dead ends: 3371 [2021-12-17 04:48:45,520 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 04:48:45,523 INFO L933 BasicCegarLoop]: 600 mSDtfsCounter, 296 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:48:45,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:48:45,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3371 states. [2021-12-17 04:48:45,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3371 to 3072. [2021-12-17 04:48:45,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3072 states, 3071 states have (on average 1.1862585477043308) internal successors, (3643), 3071 states have internal predecessors, (3643), 0 states have call successors, (0), 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 04:48:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 3643 transitions. [2021-12-17 04:48:45,561 INFO L78 Accepts]: Start accepts. Automaton has 3072 states and 3643 transitions. Word has length 378 [2021-12-17 04:48:45,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:48:45,562 INFO L470 AbstractCegarLoop]: Abstraction has 3072 states and 3643 transitions. [2021-12-17 04:48:45,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 04:48:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 3643 transitions. [2021-12-17 04:48:45,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-12-17 04:48:45,566 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:48:45,566 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:48:45,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 04:48:45,566 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:48:45,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:48:45,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1834844412, now seen corresponding path program 1 times [2021-12-17 04:48:45,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:48:45,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140610715] [2021-12-17 04:48:45,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:45,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:48:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 59 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:48:45,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:48:45,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140610715] [2021-12-17 04:48:45,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140610715] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:48:45,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847631326] [2021-12-17 04:48:45,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:45,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:48:45,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:48:45,813 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 04:48:45,814 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 04:48:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:45,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:48:45,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:48:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-17 04:48:46,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:48:46,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847631326] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:48:46,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:48:46,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-17 04:48:46,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751286801] [2021-12-17 04:48:46,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:48:46,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:48:46,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:46,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:48:46,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:48:46,486 INFO L87 Difference]: Start difference. First operand 3072 states and 3643 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 04:48:47,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:48:47,795 INFO L93 Difference]: Finished difference Result 7049 states and 8586 transitions. [2021-12-17 04:48:47,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:48:47,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 383 [2021-12-17 04:48:47,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:48:47,808 INFO L225 Difference]: With dead ends: 7049 [2021-12-17 04:48:47,808 INFO L226 Difference]: Without dead ends: 4278 [2021-12-17 04:48:47,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:48:47,812 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 320 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:48:47,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 259 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:48:47,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4278 states. [2021-12-17 04:48:47,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4278 to 3976. [2021-12-17 04:48:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3976 states, 3975 states have (on average 1.1781132075471699) internal successors, (4683), 3975 states have internal predecessors, (4683), 0 states have call successors, (0), 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 04:48:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3976 states to 3976 states and 4683 transitions. [2021-12-17 04:48:47,871 INFO L78 Accepts]: Start accepts. Automaton has 3976 states and 4683 transitions. Word has length 383 [2021-12-17 04:48:47,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:48:47,872 INFO L470 AbstractCegarLoop]: Abstraction has 3976 states and 4683 transitions. [2021-12-17 04:48:47,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 04:48:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3976 states and 4683 transitions. [2021-12-17 04:48:47,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-12-17 04:48:47,875 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:48:47,875 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:48:47,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-17 04:48:48,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:48:48,094 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:48:48,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:48:48,095 INFO L85 PathProgramCache]: Analyzing trace with hash 747271101, now seen corresponding path program 1 times [2021-12-17 04:48:48,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:48:48,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083915021] [2021-12-17 04:48:48,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:48,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:48:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-17 04:48:48,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:48:48,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083915021] [2021-12-17 04:48:48,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083915021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:48:48,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:48:48,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:48:48,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389972029] [2021-12-17 04:48:48,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:48:48,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:48:48,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:48,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:48:48,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:48:48,232 INFO L87 Difference]: Start difference. First operand 3976 states and 4683 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:49,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:48:49,625 INFO L93 Difference]: Finished difference Result 8848 states and 10657 transitions. [2021-12-17 04:48:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:48:49,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 401 [2021-12-17 04:48:49,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:48:49,638 INFO L225 Difference]: With dead ends: 8848 [2021-12-17 04:48:49,638 INFO L226 Difference]: Without dead ends: 5173 [2021-12-17 04:48:49,641 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 04:48:49,643 INFO L933 BasicCegarLoop]: 580 mSDtfsCounter, 248 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:48:49,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 618 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:48:49,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5173 states. [2021-12-17 04:48:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 5172. [2021-12-17 04:48:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5172 states, 5171 states have (on average 1.157803132856314) internal successors, (5987), 5171 states have internal predecessors, (5987), 0 states have call successors, (0), 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 04:48:49,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5172 states to 5172 states and 5987 transitions. [2021-12-17 04:48:49,708 INFO L78 Accepts]: Start accepts. Automaton has 5172 states and 5987 transitions. Word has length 401 [2021-12-17 04:48:49,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:48:49,709 INFO L470 AbstractCegarLoop]: Abstraction has 5172 states and 5987 transitions. [2021-12-17 04:48:49,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:49,709 INFO L276 IsEmpty]: Start isEmpty. Operand 5172 states and 5987 transitions. [2021-12-17 04:48:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-12-17 04:48:49,748 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:48:49,748 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:48:49,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 04:48:49,749 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:48:49,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:48:49,750 INFO L85 PathProgramCache]: Analyzing trace with hash 624859565, now seen corresponding path program 1 times [2021-12-17 04:48:49,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:48:49,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017830320] [2021-12-17 04:48:49,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:49,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:48:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 30 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:48:49,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:48:49,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017830320] [2021-12-17 04:48:49,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017830320] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:48:49,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318842641] [2021-12-17 04:48:49,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:48:49,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:48:49,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:48:49,932 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 04:48:49,933 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 04:48:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:48:50,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 04:48:50,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:48:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 135 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:48:50,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:48:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 135 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:48:51,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318842641] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:48:51,345 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:48:51,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2021-12-17 04:48:51,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656509741] [2021-12-17 04:48:51,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:48:51,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 04:48:51,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:51,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 04:48:51,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:48:51,348 INFO L87 Difference]: Start difference. First operand 5172 states and 5987 transitions. Second operand has 9 states, 9 states have (on average 106.11111111111111) internal successors, (955), 9 states have internal predecessors, (955), 0 states have call successors, (0), 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 04:49:01,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:01,214 INFO L93 Difference]: Finished difference Result 29281 states and 34437 transitions. [2021-12-17 04:49:01,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-17 04:49:01,215 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 106.11111111111111) internal successors, (955), 9 states have internal predecessors, (955), 0 states have call successors, (0), 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 409 [2021-12-17 04:49:01,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:01,257 INFO L225 Difference]: With dead ends: 29281 [2021-12-17 04:49:01,262 INFO L226 Difference]: Without dead ends: 24410 [2021-12-17 04:49:01,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 846 GetRequests, 826 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2021-12-17 04:49:01,268 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 4315 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 10381 mSolverCounterSat, 2729 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4315 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 13110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2729 IncrementalHoareTripleChecker+Valid, 10381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:01,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4315 Valid, 337 Invalid, 13110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2729 Valid, 10381 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2021-12-17 04:49:01,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24410 states. [2021-12-17 04:49:01,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24410 to 18061. [2021-12-17 04:49:01,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18061 states, 18060 states have (on average 1.1348837209302325) internal successors, (20496), 18060 states have internal predecessors, (20496), 0 states have call successors, (0), 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 04:49:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18061 states to 18061 states and 20496 transitions. [2021-12-17 04:49:01,481 INFO L78 Accepts]: Start accepts. Automaton has 18061 states and 20496 transitions. Word has length 409 [2021-12-17 04:49:01,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:01,482 INFO L470 AbstractCegarLoop]: Abstraction has 18061 states and 20496 transitions. [2021-12-17 04:49:01,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 106.11111111111111) internal successors, (955), 9 states have internal predecessors, (955), 0 states have call successors, (0), 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 04:49:01,483 INFO L276 IsEmpty]: Start isEmpty. Operand 18061 states and 20496 transitions. [2021-12-17 04:49:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2021-12-17 04:49:01,486 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:01,487 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:01,506 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 04:49:01,703 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,SelfDestructingSolverStorable9 [2021-12-17 04:49:01,704 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:01,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:01,704 INFO L85 PathProgramCache]: Analyzing trace with hash -13474037, now seen corresponding path program 1 times [2021-12-17 04:49:01,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:01,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804424015] [2021-12-17 04:49:01,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:01,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:01,861 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-12-17 04:49:01,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:01,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804424015] [2021-12-17 04:49:01,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804424015] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:01,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:01,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:01,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548033773] [2021-12-17 04:49:01,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:01,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:01,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:01,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:01,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:01,864 INFO L87 Difference]: Start difference. First operand 18061 states and 20496 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:49:03,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:03,495 INFO L93 Difference]: Finished difference Result 45386 states and 51616 transitions. [2021-12-17 04:49:03,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:03,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 505 [2021-12-17 04:49:03,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:03,524 INFO L225 Difference]: With dead ends: 45386 [2021-12-17 04:49:03,525 INFO L226 Difference]: Without dead ends: 21945 [2021-12-17 04:49:03,542 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 04:49:03,543 INFO L933 BasicCegarLoop]: 593 mSDtfsCounter, 298 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:03,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 631 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-17 04:49:03,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21945 states. [2021-12-17 04:49:03,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21945 to 21347. [2021-12-17 04:49:03,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21347 states, 21346 states have (on average 1.0802960742059402) internal successors, (23060), 21346 states have internal predecessors, (23060), 0 states have call successors, (0), 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 04:49:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21347 states to 21347 states and 23060 transitions. [2021-12-17 04:49:03,743 INFO L78 Accepts]: Start accepts. Automaton has 21347 states and 23060 transitions. Word has length 505 [2021-12-17 04:49:03,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:03,743 INFO L470 AbstractCegarLoop]: Abstraction has 21347 states and 23060 transitions. [2021-12-17 04:49:03,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:49:03,744 INFO L276 IsEmpty]: Start isEmpty. Operand 21347 states and 23060 transitions. [2021-12-17 04:49:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2021-12-17 04:49:03,748 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:03,750 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:49:03,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 04:49:03,751 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:03,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:03,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1082476183, now seen corresponding path program 1 times [2021-12-17 04:49:03,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:03,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718847788] [2021-12-17 04:49:03,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:03,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-12-17 04:49:03,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:03,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718847788] [2021-12-17 04:49:03,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718847788] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:03,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:03,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:03,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396099612] [2021-12-17 04:49:03,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:03,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:03,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:03,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:03,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:03,946 INFO L87 Difference]: Start difference. First operand 21347 states and 23060 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:49:05,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:05,094 INFO L93 Difference]: Finished difference Result 44197 states and 47694 transitions. [2021-12-17 04:49:05,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:05,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 573 [2021-12-17 04:49:05,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:05,123 INFO L225 Difference]: With dead ends: 44197 [2021-12-17 04:49:05,123 INFO L226 Difference]: Without dead ends: 23151 [2021-12-17 04:49:05,138 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 04:49:05,139 INFO L933 BasicCegarLoop]: 562 mSDtfsCounter, 293 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:05,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 600 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:49:05,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23151 states. [2021-12-17 04:49:05,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23151 to 22543. [2021-12-17 04:49:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22543 states, 22542 states have (on average 1.0748824416644487) internal successors, (24230), 22542 states have internal predecessors, (24230), 0 states have call successors, (0), 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 04:49:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22543 states to 22543 states and 24230 transitions. [2021-12-17 04:49:05,447 INFO L78 Accepts]: Start accepts. Automaton has 22543 states and 24230 transitions. Word has length 573 [2021-12-17 04:49:05,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:05,448 INFO L470 AbstractCegarLoop]: Abstraction has 22543 states and 24230 transitions. [2021-12-17 04:49:05,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:49:05,448 INFO L276 IsEmpty]: Start isEmpty. Operand 22543 states and 24230 transitions. [2021-12-17 04:49:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2021-12-17 04:49:05,456 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:05,456 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:05,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 04:49:05,456 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:05,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:05,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1895094337, now seen corresponding path program 1 times [2021-12-17 04:49:05,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:05,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240174021] [2021-12-17 04:49:05,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:05,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:05,585 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 364 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-12-17 04:49:05,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:05,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240174021] [2021-12-17 04:49:05,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240174021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:05,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:05,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:05,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438709218] [2021-12-17 04:49:05,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:05,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:05,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:05,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:05,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:05,588 INFO L87 Difference]: Start difference. First operand 22543 states and 24230 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 04:49:06,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:06,641 INFO L93 Difference]: Finished difference Result 45380 states and 48844 transitions. [2021-12-17 04:49:06,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:06,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 637 [2021-12-17 04:49:06,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:06,670 INFO L225 Difference]: With dead ends: 45380 [2021-12-17 04:49:06,671 INFO L226 Difference]: Without dead ends: 23138 [2021-12-17 04:49:06,685 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 04:49:06,686 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 462 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:06,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [462 Valid, 68 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:49:06,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23138 states. [2021-12-17 04:49:06,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23138 to 22539. [2021-12-17 04:49:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22539 states, 22538 states have (on average 1.0747626231253882) internal successors, (24223), 22538 states have internal predecessors, (24223), 0 states have call successors, (0), 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 04:49:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22539 states to 22539 states and 24223 transitions. [2021-12-17 04:49:06,983 INFO L78 Accepts]: Start accepts. Automaton has 22539 states and 24223 transitions. Word has length 637 [2021-12-17 04:49:06,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:06,984 INFO L470 AbstractCegarLoop]: Abstraction has 22539 states and 24223 transitions. [2021-12-17 04:49:06,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 04:49:06,984 INFO L276 IsEmpty]: Start isEmpty. Operand 22539 states and 24223 transitions. [2021-12-17 04:49:06,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-12-17 04:49:06,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:06,997 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:06,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-17 04:49:06,998 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:06,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:07,000 INFO L85 PathProgramCache]: Analyzing trace with hash -56081686, now seen corresponding path program 2 times [2021-12-17 04:49:07,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:07,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782062602] [2021-12-17 04:49:07,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:07,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 667 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-12-17 04:49:07,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:07,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782062602] [2021-12-17 04:49:07,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782062602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:07,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:07,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:07,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497102410] [2021-12-17 04:49:07,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:07,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:07,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:07,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:07,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:07,168 INFO L87 Difference]: Start difference. First operand 22539 states and 24223 transitions. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 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 04:49:08,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:08,268 INFO L93 Difference]: Finished difference Result 53148 states and 57436 transitions. [2021-12-17 04:49:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:08,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 680 [2021-12-17 04:49:08,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:08,307 INFO L225 Difference]: With dead ends: 53148 [2021-12-17 04:49:08,307 INFO L226 Difference]: Without dead ends: 30910 [2021-12-17 04:49:08,323 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 04:49:08,324 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 219 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:08,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 154 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:49:08,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30910 states. [2021-12-17 04:49:08,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30910 to 28219. [2021-12-17 04:49:08,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28219 states, 28218 states have (on average 1.0812956269048126) internal successors, (30512), 28218 states have internal predecessors, (30512), 0 states have call successors, (0), 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 04:49:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28219 states to 28219 states and 30512 transitions. [2021-12-17 04:49:08,741 INFO L78 Accepts]: Start accepts. Automaton has 28219 states and 30512 transitions. Word has length 680 [2021-12-17 04:49:08,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:08,741 INFO L470 AbstractCegarLoop]: Abstraction has 28219 states and 30512 transitions. [2021-12-17 04:49:08,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 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 04:49:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 28219 states and 30512 transitions. [2021-12-17 04:49:08,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2021-12-17 04:49:08,751 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:08,751 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:49:08,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-17 04:49:08,752 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:08,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:08,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1060983536, now seen corresponding path program 1 times [2021-12-17 04:49:08,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:08,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619966072] [2021-12-17 04:49:08,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:08,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:08,913 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-12-17 04:49:08,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:08,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619966072] [2021-12-17 04:49:08,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619966072] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:08,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:08,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:08,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390239793] [2021-12-17 04:49:08,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:08,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:08,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:08,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:08,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:08,915 INFO L87 Difference]: Start difference. First operand 28219 states and 30512 transitions. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 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 04:49:10,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:10,413 INFO L93 Difference]: Finished difference Result 63034 states and 68062 transitions. [2021-12-17 04:49:10,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:10,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 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 04:49:10,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:10,464 INFO L225 Difference]: With dead ends: 63034 [2021-12-17 04:49:10,465 INFO L226 Difference]: Without dead ends: 35116 [2021-12-17 04:49:10,485 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 04:49:10,486 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 259 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:10,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 163 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:49:10,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35116 states. [2021-12-17 04:49:10,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35116 to 32106. [2021-12-17 04:49:10,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32106 states, 32105 states have (on average 1.0776203083631832) internal successors, (34597), 32105 states have internal predecessors, (34597), 0 states have call successors, (0), 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 04:49:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32106 states to 32106 states and 34597 transitions. [2021-12-17 04:49:11,036 INFO L78 Accepts]: Start accepts. Automaton has 32106 states and 34597 transitions. Word has length 681 [2021-12-17 04:49:11,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:11,037 INFO L470 AbstractCegarLoop]: Abstraction has 32106 states and 34597 transitions. [2021-12-17 04:49:11,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 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 04:49:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 32106 states and 34597 transitions. [2021-12-17 04:49:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2021-12-17 04:49:11,059 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:11,059 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:11,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-17 04:49:11,060 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:11,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:11,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1031847725, now seen corresponding path program 1 times [2021-12-17 04:49:11,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:11,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70207801] [2021-12-17 04:49:11,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:11,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2021-12-17 04:49:11,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:11,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70207801] [2021-12-17 04:49:11,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70207801] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:11,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:11,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:11,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842139782] [2021-12-17 04:49:11,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:11,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:11,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:11,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:11,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:11,368 INFO L87 Difference]: Start difference. First operand 32106 states and 34597 transitions. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 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 04:49:12,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:12,669 INFO L93 Difference]: Finished difference Result 69895 states and 75071 transitions. [2021-12-17 04:49:12,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:12,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 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 717 [2021-12-17 04:49:12,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:12,707 INFO L225 Difference]: With dead ends: 69895 [2021-12-17 04:49:12,708 INFO L226 Difference]: Without dead ends: 38090 [2021-12-17 04:49:12,727 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 04:49:12,727 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 290 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:12,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 274 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:49:12,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38090 states. [2021-12-17 04:49:13,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38090 to 32704. [2021-12-17 04:49:13,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32704 states, 32703 states have (on average 1.0773935112986577) internal successors, (35234), 32703 states have internal predecessors, (35234), 0 states have call successors, (0), 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 04:49:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32704 states to 32704 states and 35234 transitions. [2021-12-17 04:49:13,112 INFO L78 Accepts]: Start accepts. Automaton has 32704 states and 35234 transitions. Word has length 717 [2021-12-17 04:49:13,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:13,113 INFO L470 AbstractCegarLoop]: Abstraction has 32704 states and 35234 transitions. [2021-12-17 04:49:13,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 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 04:49:13,113 INFO L276 IsEmpty]: Start isEmpty. Operand 32704 states and 35234 transitions. [2021-12-17 04:49:13,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2021-12-17 04:49:13,125 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:13,125 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:49:13,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-17 04:49:13,126 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:13,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:13,126 INFO L85 PathProgramCache]: Analyzing trace with hash -328369386, now seen corresponding path program 1 times [2021-12-17 04:49:13,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:13,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32970353] [2021-12-17 04:49:13,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:13,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 394 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2021-12-17 04:49:13,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:13,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32970353] [2021-12-17 04:49:13,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32970353] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:13,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:13,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:13,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751644495] [2021-12-17 04:49:13,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:13,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:13,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:13,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:13,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:13,393 INFO L87 Difference]: Start difference. First operand 32704 states and 35234 transitions. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 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 04:49:14,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:14,675 INFO L93 Difference]: Finished difference Result 68979 states and 74466 transitions. [2021-12-17 04:49:14,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:14,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 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 729 [2021-12-17 04:49:14,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:14,712 INFO L225 Difference]: With dead ends: 68979 [2021-12-17 04:49:14,713 INFO L226 Difference]: Without dead ends: 32689 [2021-12-17 04:49:14,734 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 04:49:14,735 INFO L933 BasicCegarLoop]: 477 mSDtfsCounter, 343 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:14,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 503 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:49:14,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32689 states. [2021-12-17 04:49:15,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32689 to 30596. [2021-12-17 04:49:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30596 states, 30595 states have (on average 1.0635071090047394) internal successors, (32538), 30595 states have internal predecessors, (32538), 0 states have call successors, (0), 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 04:49:15,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30596 states to 30596 states and 32538 transitions. [2021-12-17 04:49:15,096 INFO L78 Accepts]: Start accepts. Automaton has 30596 states and 32538 transitions. Word has length 729 [2021-12-17 04:49:15,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:15,096 INFO L470 AbstractCegarLoop]: Abstraction has 30596 states and 32538 transitions. [2021-12-17 04:49:15,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 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 04:49:15,096 INFO L276 IsEmpty]: Start isEmpty. Operand 30596 states and 32538 transitions. [2021-12-17 04:49:15,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2021-12-17 04:49:15,104 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:15,105 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:49:15,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-17 04:49:15,105 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:15,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:15,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1070584216, now seen corresponding path program 1 times [2021-12-17 04:49:15,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:15,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973958543] [2021-12-17 04:49:15,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:15,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-12-17 04:49:15,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:15,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973958543] [2021-12-17 04:49:15,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973958543] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:15,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:15,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 04:49:15,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292472272] [2021-12-17 04:49:15,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:15,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:49:15,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:15,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:49:15,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:49:15,307 INFO L87 Difference]: Start difference. First operand 30596 states and 32538 transitions. Second operand has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 0 states have call successors, (0), 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 04:49:17,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:17,128 INFO L93 Difference]: Finished difference Result 66891 states and 70917 transitions. [2021-12-17 04:49:17,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:49:17,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 0 states have call successors, (0), 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 729 [2021-12-17 04:49:17,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:17,166 INFO L225 Difference]: With dead ends: 66891 [2021-12-17 04:49:17,166 INFO L226 Difference]: Without dead ends: 36596 [2021-12-17 04:49:17,186 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 04:49:17,186 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 539 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 1897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:17,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [539 Valid, 94 Invalid, 1897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-17 04:49:17,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36596 states. [2021-12-17 04:49:17,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36596 to 30297. [2021-12-17 04:49:17,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30297 states, 30296 states have (on average 1.0639688407710588) internal successors, (32234), 30296 states have internal predecessors, (32234), 0 states have call successors, (0), 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 04:49:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30297 states to 30297 states and 32234 transitions. [2021-12-17 04:49:17,669 INFO L78 Accepts]: Start accepts. Automaton has 30297 states and 32234 transitions. Word has length 729 [2021-12-17 04:49:17,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:17,669 INFO L470 AbstractCegarLoop]: Abstraction has 30297 states and 32234 transitions. [2021-12-17 04:49:17,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 0 states have call successors, (0), 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 04:49:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 30297 states and 32234 transitions. [2021-12-17 04:49:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2021-12-17 04:49:17,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:17,685 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:49:17,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-17 04:49:17,685 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:17,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:17,686 INFO L85 PathProgramCache]: Analyzing trace with hash -33978003, now seen corresponding path program 1 times [2021-12-17 04:49:17,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:17,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003741078] [2021-12-17 04:49:17,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:17,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1259 backedges. 745 proven. 0 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2021-12-17 04:49:17,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:17,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003741078] [2021-12-17 04:49:17,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003741078] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:17,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:17,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:17,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559224232] [2021-12-17 04:49:17,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:17,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:17,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:17,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:17,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:17,895 INFO L87 Difference]: Start difference. First operand 30297 states and 32234 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 04:49:19,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:19,138 INFO L93 Difference]: Finished difference Result 65392 states and 69412 transitions. [2021-12-17 04:49:19,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:19,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 834 [2021-12-17 04:49:19,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:19,172 INFO L225 Difference]: With dead ends: 65392 [2021-12-17 04:49:19,172 INFO L226 Difference]: Without dead ends: 35396 [2021-12-17 04:49:19,185 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 04:49:19,186 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 350 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:19,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [350 Valid, 135 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:49:19,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35396 states. [2021-12-17 04:49:19,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35396 to 29996. [2021-12-17 04:49:19,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29996 states, 29995 states have (on average 1.0641440240040008) internal successors, (31919), 29995 states have internal predecessors, (31919), 0 states have call successors, (0), 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 04:49:19,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29996 states to 29996 states and 31919 transitions. [2021-12-17 04:49:19,451 INFO L78 Accepts]: Start accepts. Automaton has 29996 states and 31919 transitions. Word has length 834 [2021-12-17 04:49:19,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:19,452 INFO L470 AbstractCegarLoop]: Abstraction has 29996 states and 31919 transitions. [2021-12-17 04:49:19,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 04:49:19,452 INFO L276 IsEmpty]: Start isEmpty. Operand 29996 states and 31919 transitions. [2021-12-17 04:49:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2021-12-17 04:49:19,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:19,463 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:19,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-17 04:49:19,463 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:19,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:19,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1180617033, now seen corresponding path program 2 times [2021-12-17 04:49:19,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:19,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651646389] [2021-12-17 04:49:19,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:19,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:19,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 774 proven. 102 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-12-17 04:49:19,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:19,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651646389] [2021-12-17 04:49:19,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651646389] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:49:19,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57203554] [2021-12-17 04:49:19,837 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-17 04:49:19,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:49:19,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:49:19,839 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 04:49:19,879 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 04:49:20,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-17 04:49:20,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 04:49:20,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:49:20,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:49:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2021-12-17 04:49:21,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:49:21,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57203554] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:21,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:49:21,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-17 04:49:21,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057363169] [2021-12-17 04:49:21,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:21,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:21,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:21,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:21,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:49:21,120 INFO L87 Difference]: Start difference. First operand 29996 states and 31919 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 04:49:22,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:22,578 INFO L93 Difference]: Finished difference Result 67495 states and 71649 transitions. [2021-12-17 04:49:22,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:22,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 836 [2021-12-17 04:49:22,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:22,613 INFO L225 Difference]: With dead ends: 67495 [2021-12-17 04:49:22,614 INFO L226 Difference]: Without dead ends: 37800 [2021-12-17 04:49:22,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 840 GetRequests, 836 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:49:22,628 INFO L933 BasicCegarLoop]: 502 mSDtfsCounter, 327 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:22,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 561 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:49:22,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37800 states. [2021-12-17 04:49:22,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37800 to 37800. [2021-12-17 04:49:22,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37800 states, 37799 states have (on average 1.058758168205508) internal successors, (40020), 37799 states have internal predecessors, (40020), 0 states have call successors, (0), 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 04:49:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37800 states to 37800 states and 40020 transitions. [2021-12-17 04:49:23,032 INFO L78 Accepts]: Start accepts. Automaton has 37800 states and 40020 transitions. Word has length 836 [2021-12-17 04:49:23,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:23,033 INFO L470 AbstractCegarLoop]: Abstraction has 37800 states and 40020 transitions. [2021-12-17 04:49:23,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 04:49:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 37800 states and 40020 transitions. [2021-12-17 04:49:23,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2021-12-17 04:49:23,050 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:23,050 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:23,079 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 04:49:23,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:49:23,268 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:23,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:23,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1997805892, now seen corresponding path program 1 times [2021-12-17 04:49:23,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:23,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439615647] [2021-12-17 04:49:23,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:23,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 782 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2021-12-17 04:49:23,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:23,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439615647] [2021-12-17 04:49:23,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439615647] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:23,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:23,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:23,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251678935] [2021-12-17 04:49:23,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:23,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:23,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:23,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:23,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:23,584 INFO L87 Difference]: Start difference. First operand 37800 states and 40020 transitions. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 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 04:49:24,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:24,720 INFO L93 Difference]: Finished difference Result 75895 states and 80266 transitions. [2021-12-17 04:49:24,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:24,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 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 917 [2021-12-17 04:49:24,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:24,759 INFO L225 Difference]: With dead ends: 75895 [2021-12-17 04:49:24,759 INFO L226 Difference]: Without dead ends: 38396 [2021-12-17 04:49:24,777 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 04:49:24,778 INFO L933 BasicCegarLoop]: 509 mSDtfsCounter, 313 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:24,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 548 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:49:24,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38396 states. [2021-12-17 04:49:25,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38396 to 37200. [2021-12-17 04:49:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37200 states, 37199 states have (on average 1.0569101319927956) internal successors, (39316), 37199 states have internal predecessors, (39316), 0 states have call successors, (0), 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 04:49:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37200 states to 37200 states and 39316 transitions. [2021-12-17 04:49:25,213 INFO L78 Accepts]: Start accepts. Automaton has 37200 states and 39316 transitions. Word has length 917 [2021-12-17 04:49:25,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:25,213 INFO L470 AbstractCegarLoop]: Abstraction has 37200 states and 39316 transitions. [2021-12-17 04:49:25,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 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 04:49:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand 37200 states and 39316 transitions. [2021-12-17 04:49:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2021-12-17 04:49:25,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:25,230 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:25,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-17 04:49:25,231 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:25,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:25,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1535398589, now seen corresponding path program 1 times [2021-12-17 04:49:25,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:25,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069829490] [2021-12-17 04:49:25,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:25,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 790 proven. 617 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2021-12-17 04:49:25,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:25,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069829490] [2021-12-17 04:49:25,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069829490] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:49:25,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010070187] [2021-12-17 04:49:25,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:25,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:49:25,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:49:25,567 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 04:49:25,568 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 04:49:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:25,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:49:25,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:49:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 1031 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2021-12-17 04:49:26,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:49:26,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010070187] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:26,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:49:26,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-12-17 04:49:26,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154508470] [2021-12-17 04:49:26,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:26,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:26,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:26,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:26,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:49:26,945 INFO L87 Difference]: Start difference. First operand 37200 states and 39316 transitions. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:49:28,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:28,050 INFO L93 Difference]: Finished difference Result 72898 states and 77066 transitions. [2021-12-17 04:49:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:28,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 938 [2021-12-17 04:49:28,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:28,089 INFO L225 Difference]: With dead ends: 72898 [2021-12-17 04:49:28,089 INFO L226 Difference]: Without dead ends: 35999 [2021-12-17 04:49:28,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 938 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 04:49:28,111 INFO L933 BasicCegarLoop]: 497 mSDtfsCounter, 181 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:28,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 531 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:49:28,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35999 states. [2021-12-17 04:49:28,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35999 to 34802. [2021-12-17 04:49:28,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34802 states, 34801 states have (on average 1.0410333036407) internal successors, (36229), 34801 states have internal predecessors, (36229), 0 states have call successors, (0), 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 04:49:28,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34802 states to 34802 states and 36229 transitions. [2021-12-17 04:49:28,557 INFO L78 Accepts]: Start accepts. Automaton has 34802 states and 36229 transitions. Word has length 938 [2021-12-17 04:49:28,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:28,557 INFO L470 AbstractCegarLoop]: Abstraction has 34802 states and 36229 transitions. [2021-12-17 04:49:28,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:49:28,558 INFO L276 IsEmpty]: Start isEmpty. Operand 34802 states and 36229 transitions. [2021-12-17 04:49:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1573 [2021-12-17 04:49:28,602 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:28,602 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 04:49:28,620 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 04:49:28,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:49:28,820 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:28,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:28,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1980890963, now seen corresponding path program 1 times [2021-12-17 04:49:28,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:28,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884368471] [2021-12-17 04:49:28,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:28,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5103 backedges. 3335 proven. 0 refuted. 0 times theorem prover too weak. 1768 trivial. 0 not checked. [2021-12-17 04:49:29,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:29,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884368471] [2021-12-17 04:49:29,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884368471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:29,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:29,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:29,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96215759] [2021-12-17 04:49:29,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:29,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:29,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:29,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:29,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:29,291 INFO L87 Difference]: Start difference. First operand 34802 states and 36229 transitions. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 04:49:30,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:30,153 INFO L93 Difference]: Finished difference Result 58182 states and 60255 transitions. [2021-12-17 04:49:30,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:30,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 1572 [2021-12-17 04:49:30,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:30,154 INFO L225 Difference]: With dead ends: 58182 [2021-12-17 04:49:30,154 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 04:49:30,169 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 04:49:30,173 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 173 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:30,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 125 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:49:30,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 04:49:30,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 04:49:30,174 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 04:49:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 04:49:30,174 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1572 [2021-12-17 04:49:30,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:30,174 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 04:49:30,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 04:49:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 04:49:30,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 04:49:30,176 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 04:49:30,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-17 04:49:30,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,667 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,668 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,669 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,670 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,671 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,671 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,671 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,671 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,671 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,671 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-17 04:49:42,671 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 04:49:42,672 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2021-12-17 04:49:42,672 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,672 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,672 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,673 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,673 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,673 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-17 04:49:42,673 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,673 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-12-17 04:49:42,673 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-12-17 04:49:42,673 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-12-17 04:49:42,673 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-12-17 04:49:42,673 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-12-17 04:49:42,673 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-12-17 04:49:42,674 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,674 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,674 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,674 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,674 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-12-17 04:49:42,674 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-12-17 04:49:42,674 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,674 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-17 04:49:42,675 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,675 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,675 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,675 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,675 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,675 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,675 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-17 04:49:42,676 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,676 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,676 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,676 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,676 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,676 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-12-17 04:49:42,676 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-12-17 04:49:42,677 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,677 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-17 04:49:42,677 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-12-17 04:49:42,677 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-12-17 04:49:42,677 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,677 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-12-17 04:49:42,677 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-12-17 04:49:42,677 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,677 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,677 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,678 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,678 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-17 04:49:42,678 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,678 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,678 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,678 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,678 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-12-17 04:49:42,678 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-12-17 04:49:42,678 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,679 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-17 04:49:42,679 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,679 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,679 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,679 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,679 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,679 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,679 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-17 04:49:42,679 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,679 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,680 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,680 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,680 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,680 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,680 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,680 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-17 04:49:42,680 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,680 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,680 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,680 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,681 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,681 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-17 04:49:42,681 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,681 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,681 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,681 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,681 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,681 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,681 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,681 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 04:49:42,682 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,682 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-12-17 04:49:42,682 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-12-17 04:49:42,682 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,682 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,682 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-17 04:49:42,682 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,682 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,682 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,682 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,683 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,683 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-17 04:49:42,683 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,683 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,683 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,683 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,683 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,683 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-17 04:49:42,683 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,684 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,684 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,684 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,684 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-17 04:49:42,684 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-17 04:49:42,684 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,684 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,684 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,684 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,684 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,685 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-12-17 04:49:42,685 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-12-17 04:49:42,685 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,685 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-17 04:49:42,685 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-17 04:49:42,685 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,685 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,685 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,685 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,685 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,686 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-12-17 04:49:42,686 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-12-17 04:49:42,686 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-12-17 04:49:42,686 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-12-17 04:49:42,686 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,686 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,686 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,686 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-17 04:49:42,686 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-17 04:49:42,686 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,687 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,687 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,687 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,687 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,687 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,687 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-12-17 04:49:42,687 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-12-17 04:49:42,687 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-17 04:49:42,687 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,687 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-17 04:49:42,688 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,688 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,688 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,688 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,688 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,689 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,689 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,689 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,689 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-17 04:49:42,689 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-17 04:49:42,689 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-12-17 04:49:42,689 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-12-17 04:49:42,689 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,689 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,690 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,690 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,690 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse9 (= ~a2~0 1)) (.cse11 (<= (+ ~a4~0 89) 0)) (.cse16 (<= 0 (+ ~a29~0 192415))) (.cse17 (<= ~a29~0 41)) (.cse19 (<= 0 (+ ~a0~0 146))) (.cse12 (<= ~a29~0 43)) (.cse15 (<= 0 (+ ~a0~0 60))) (.cse7 (<= (+ ~a4~0 86) 0)) (.cse14 (<= 5 ~a2~0)) (.cse4 (<= 96176 ~a29~0)) (.cse13 (= ~a2~0 4)) (.cse2 (<= (+ ~a0~0 98) 0)) (.cse10 (<= (+ ~a29~0 145) 0)) (.cse5 (< 0 (+ ~a29~0 16))) (.cse1 (<= ~a29~0 599998)) (.cse3 (< 0 (+ (div (+ ~a4~0 73) 21) 1))) (.cse6 (= ~a2~0 3)) (.cse18 (<= ~a2~0 2)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse8 (<= (+ ~a0~0 147) 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse9 .cse7 .cse10) (and .cse11 (< 134655 ~a29~0) .cse2) (and .cse12 .cse13 .cse11) (and .cse5 .cse11 .cse1 .cse6) (and .cse11 .cse6 .cse10) (and .cse5 .cse14 .cse1 .cse15 .cse7) (and .cse0 .cse14 .cse8) (and .cse16 .cse17 (<= 0 (+ ~a0~0 83)) .cse6 .cse7) (and .cse5 .cse1 .cse15 .cse6 .cse7) (and .cse0 .cse16 .cse9 .cse17) (and .cse5 .cse14 .cse11 .cse1) (and .cse0 .cse9 .cse2) (and (<= (+ ~a29~0 107481) 0) .cse18 .cse15 .cse7) (and .cse0 .cse17 .cse6 .cse8) (and .cse0 .cse17 .cse3 .cse8) (and .cse5 .cse18 .cse1 .cse15 .cse7) (and .cse11 .cse2 (not (= 3 ~a2~0))) (and .cse18 .cse11 .cse1) (and .cse5 .cse18 .cse19 .cse1 .cse2) (and .cse0 .cse16 .cse14 .cse17 .cse2) (and .cse5 .cse0 .cse13 .cse8) (and .cse0 .cse19 .cse3 .cse2 .cse6) (and .cse5 .cse12 .cse15 .cse7) (and .cse0 .cse1 (or (and (<= (+ ~a29~0 127) 0) .cse8) (and .cse4 .cse8))) (and .cse0 .cse14 .cse2 .cse4) (and .cse0 .cse13 .cse2 .cse10) (and .cse5 .cse0 .cse1 .cse3 .cse6 .cse8) (and .cse18 .cse0 .cse8))) [2021-12-17 04:49:42,690 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-17 04:49:42,690 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-17 04:49:42,690 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,690 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,691 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,691 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,691 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,691 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,691 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,691 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-12-17 04:49:42,691 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,691 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-12-17 04:49:42,691 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-12-17 04:49:42,692 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,692 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-12-17 04:49:42,692 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-12-17 04:49:42,692 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-17 04:49:42,692 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-17 04:49:42,692 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,692 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,692 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,692 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,693 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,693 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-17 04:49:42,693 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-17 04:49:42,693 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,693 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-12-17 04:49:42,693 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-12-17 04:49:42,693 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,693 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,693 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 04:49:42,693 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,694 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,694 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,694 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,694 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse9 (= ~a2~0 1)) (.cse11 (<= (+ ~a4~0 89) 0)) (.cse16 (<= 0 (+ ~a29~0 192415))) (.cse17 (<= ~a29~0 41)) (.cse19 (<= 0 (+ ~a0~0 146))) (.cse12 (<= ~a29~0 43)) (.cse15 (<= 0 (+ ~a0~0 60))) (.cse7 (<= (+ ~a4~0 86) 0)) (.cse14 (<= 5 ~a2~0)) (.cse4 (<= 96176 ~a29~0)) (.cse13 (= ~a2~0 4)) (.cse2 (<= (+ ~a0~0 98) 0)) (.cse10 (<= (+ ~a29~0 145) 0)) (.cse5 (< 0 (+ ~a29~0 16))) (.cse1 (<= ~a29~0 599998)) (.cse3 (< 0 (+ (div (+ ~a4~0 73) 21) 1))) (.cse6 (= ~a2~0 3)) (.cse18 (<= ~a2~0 2)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse8 (<= (+ ~a0~0 147) 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse9 .cse7 .cse10) (and .cse11 (< 134655 ~a29~0) .cse2) (and .cse12 .cse13 .cse11) (and .cse5 .cse11 .cse1 .cse6) (and .cse11 .cse6 .cse10) (and .cse5 .cse14 .cse1 .cse15 .cse7) (and .cse0 .cse14 .cse8) (and .cse16 .cse17 (<= 0 (+ ~a0~0 83)) .cse6 .cse7) (and .cse5 .cse1 .cse15 .cse6 .cse7) (and .cse0 .cse16 .cse9 .cse17) (and .cse5 .cse14 .cse11 .cse1) (and .cse0 .cse9 .cse2) (and (<= (+ ~a29~0 107481) 0) .cse18 .cse15 .cse7) (and .cse0 .cse17 .cse6 .cse8) (and .cse0 .cse17 .cse3 .cse8) (and .cse5 .cse18 .cse1 .cse15 .cse7) (and .cse11 .cse2 (not (= 3 ~a2~0))) (and .cse18 .cse11 .cse1) (and .cse5 .cse18 .cse19 .cse1 .cse2) (and .cse0 .cse16 .cse14 .cse17 .cse2) (and .cse5 .cse0 .cse13 .cse8) (and .cse0 .cse19 .cse3 .cse2 .cse6) (and .cse5 .cse12 .cse15 .cse7) (and .cse0 .cse1 (or (and (<= (+ ~a29~0 127) 0) .cse8) (and .cse4 .cse8))) (and .cse0 .cse14 .cse2 .cse4) (and .cse0 .cse13 .cse2 .cse10) (and .cse5 .cse0 .cse1 .cse3 .cse6 .cse8) (and .cse18 .cse0 .cse8))) [2021-12-17 04:49:42,694 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,694 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-17 04:49:42,694 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-17 04:49:42,694 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,694 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,695 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,695 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,695 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,695 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,695 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-17 04:49:42,695 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-17 04:49:42,695 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,695 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,695 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-12-17 04:49:42,695 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,696 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,696 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,696 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,696 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,696 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,696 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-17 04:49:42,696 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-17 04:49:42,696 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,696 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,696 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,697 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,697 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,697 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,697 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-17 04:49:42,697 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,697 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-17 04:49:42,697 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,697 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,697 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,697 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,698 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,698 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,698 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,698 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-17 04:49:42,698 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-17 04:49:42,698 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,698 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,698 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,698 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,698 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,699 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,699 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,699 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-17 04:49:42,699 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-17 04:49:42,699 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,699 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,699 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,699 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,699 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,699 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,700 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,700 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-12-17 04:49:42,700 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-12-17 04:49:42,700 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,700 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-17 04:49:42,700 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-17 04:49:42,700 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,700 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,700 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,700 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,701 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,701 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,701 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse9 (= ~a2~0 1)) (.cse11 (<= (+ ~a4~0 89) 0)) (.cse16 (<= 0 (+ ~a29~0 192415))) (.cse17 (<= ~a29~0 41)) (.cse19 (<= 0 (+ ~a0~0 146))) (.cse12 (<= ~a29~0 43)) (.cse15 (<= 0 (+ ~a0~0 60))) (.cse7 (<= (+ ~a4~0 86) 0)) (.cse14 (<= 5 ~a2~0)) (.cse4 (<= 96176 ~a29~0)) (.cse13 (= ~a2~0 4)) (.cse2 (<= (+ ~a0~0 98) 0)) (.cse10 (<= (+ ~a29~0 145) 0)) (.cse5 (< 0 (+ ~a29~0 16))) (.cse1 (<= ~a29~0 599998)) (.cse3 (< 0 (+ (div (+ ~a4~0 73) 21) 1))) (.cse6 (= ~a2~0 3)) (.cse18 (<= ~a2~0 2)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse8 (<= (+ ~a0~0 147) 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse9 .cse7 .cse10) (and .cse11 (< 134655 ~a29~0) .cse2) (and .cse12 .cse13 .cse11) (and .cse5 .cse11 .cse1 .cse6) (and .cse11 .cse6 .cse10) (and .cse5 .cse14 .cse1 .cse15 .cse7) (and .cse0 .cse14 .cse8) (and .cse16 .cse17 (<= 0 (+ ~a0~0 83)) .cse6 .cse7) (and .cse5 .cse1 .cse15 .cse6 .cse7) (and .cse0 .cse16 .cse9 .cse17) (and .cse5 .cse14 .cse11 .cse1) (and .cse0 .cse9 .cse2) (and (<= (+ ~a29~0 107481) 0) .cse18 .cse15 .cse7) (and .cse0 .cse17 .cse6 .cse8) (and .cse0 .cse17 .cse3 .cse8) (and .cse5 .cse18 .cse1 .cse15 .cse7) (and .cse11 .cse2 (not (= 3 ~a2~0))) (and .cse18 .cse11 .cse1) (and .cse5 .cse18 .cse19 .cse1 .cse2) (and .cse0 .cse16 .cse14 .cse17 .cse2) (and .cse5 .cse0 .cse13 .cse8) (and .cse0 .cse19 .cse3 .cse2 .cse6) (and .cse5 .cse12 .cse15 .cse7) (and .cse0 .cse1 (or (and (<= (+ ~a29~0 127) 0) .cse8) (and .cse4 .cse8))) (and .cse0 .cse14 .cse2 .cse4) (and .cse0 .cse13 .cse2 .cse10) (and .cse5 .cse0 .cse1 .cse3 .cse6 .cse8) (and .cse18 .cse0 .cse8))) [2021-12-17 04:49:42,701 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-17 04:49:42,701 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-17 04:49:42,701 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,701 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,701 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,701 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,702 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,702 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,702 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,702 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,702 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-17 04:49:42,702 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-17 04:49:42,702 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,702 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-12-17 04:49:42,702 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-12-17 04:49:42,702 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,703 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,703 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,703 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,703 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,703 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,703 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 04:49:42,703 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-17 04:49:42,703 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,703 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,703 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,704 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,704 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-12-17 04:49:42,704 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-12-17 04:49:42,704 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-12-17 04:49:42,704 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,704 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-12-17 04:49:42,704 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-17 04:49:42,704 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,704 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,704 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,704 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,705 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,705 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,705 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,705 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-17 04:49:42,705 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,705 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,705 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,705 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,705 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-17 04:49:42,705 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,706 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,706 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-12-17 04:49:42,706 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,706 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,706 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,706 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,706 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,706 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,706 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,706 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-12-17 04:49:42,707 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-12-17 04:49:42,707 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,707 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-17 04:49:42,707 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,707 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:49:42,707 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,707 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-17 04:49:42,707 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-12-17 04:49:42,710 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:49:42,711 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 04:49:42,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 04:49:42 BoogieIcfgContainer [2021-12-17 04:49:42,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 04:49:42,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 04:49:42,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 04:49:42,732 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 04:49:42,732 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:48:34" (3/4) ... [2021-12-17 04:49:42,734 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 04:49:42,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-17 04:49:42,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 04:49:42,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 04:49:42,756 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 04:49:42,883 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 04:49:42,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 04:49:42,886 INFO L158 Benchmark]: Toolchain (without parser) took 71461.19ms. Allocated memory was 94.4MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 58.7MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2021-12-17 04:49:42,886 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 04:49:42,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.04ms. Allocated memory is still 94.4MB. Free memory was 58.7MB in the beginning and 37.8MB in the end (delta: 20.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-12-17 04:49:42,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 197.97ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 37.8MB in the beginning and 91.8MB in the end (delta: -53.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-12-17 04:49:42,887 INFO L158 Benchmark]: Boogie Preprocessor took 171.95ms. Allocated memory is still 146.8MB. Free memory was 91.8MB in the beginning and 73.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-17 04:49:42,887 INFO L158 Benchmark]: RCFGBuilder took 1888.33ms. Allocated memory was 146.8MB in the beginning and 293.6MB in the end (delta: 146.8MB). Free memory was 73.5MB in the beginning and 152.1MB in the end (delta: -78.5MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2021-12-17 04:49:42,888 INFO L158 Benchmark]: TraceAbstraction took 68254.00ms. Allocated memory was 293.6MB in the beginning and 4.7GB in the end (delta: 4.4GB). Free memory was 152.1MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. [2021-12-17 04:49:42,889 INFO L158 Benchmark]: Witness Printer took 151.26ms. Allocated memory is still 4.7GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-12-17 04:49:42,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.04ms. Allocated memory is still 94.4MB. Free memory was 58.7MB in the beginning and 37.8MB in the end (delta: 20.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 197.97ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 37.8MB in the beginning and 91.8MB in the end (delta: -53.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.95ms. Allocated memory is still 146.8MB. Free memory was 91.8MB in the beginning and 73.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1888.33ms. Allocated memory was 146.8MB in the beginning and 293.6MB in the end (delta: 146.8MB). Free memory was 73.5MB in the beginning and 152.1MB in the end (delta: -78.5MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. * TraceAbstraction took 68254.00ms. Allocated memory was 293.6MB in the beginning and 4.7GB in the end (delta: 4.4GB). Free memory was 152.1MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. * Witness Printer took 151.26ms. Allocated memory is still 4.7GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 42.4MB). 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: 113]: 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: 68.2s, OverallIterations: 23, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 39.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10793 SdHoareTripleChecker+Valid, 35.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10793 mSDsluCounter, 8319 SdHoareTripleChecker+Invalid, 30.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1104 mSDsCounter, 6771 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30626 IncrementalHoareTripleChecker+Invalid, 37397 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6771 mSolverCounterUnsat, 7215 mSDtfsCounter, 30626 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3072 GetRequests, 3015 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37800occurred in iteration=20, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.1s AutomataMinimizationTime, 23 MinimizatonAttempts, 37255 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 339 NumberOfFragments, 1747 HoareAnnotationTreeSize, 4 FomulaSimplifications, 23253 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 4 FomulaSimplificationsInter, 56517 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 15537 NumberOfCodeBlocks, 15537 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 15918 ConstructedInterpolants, 0 QuantifiedInterpolants, 43164 SizeOfPredicates, 2 NumberOfNonLiveVariables, 3156 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 20114/21108 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 && a29 <= 599998) && a0 + 98 <= 0) && 0 < (a4 + 73) / 21 + 1) && 96176 <= a29) || (((((0 < a29 + 16 && a4 + 42 <= 0) && a29 <= 599998) && a2 == 3) && a4 + 86 <= 0) && a0 + 147 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 145 <= 0)) || ((a4 + 89 <= 0 && 134655 < a29) && a0 + 98 <= 0)) || ((a29 <= 43 && a2 == 4) && a4 + 89 <= 0)) || (((0 < a29 + 16 && a4 + 89 <= 0) && a29 <= 599998) && a2 == 3)) || ((a4 + 89 <= 0 && a2 == 3) && a29 + 145 <= 0)) || ((((0 < a29 + 16 && 5 <= a2) && a29 <= 599998) && 0 <= a0 + 60) && a4 + 86 <= 0)) || ((a4 + 42 <= 0 && 5 <= a2) && a0 + 147 <= 0)) || ((((0 <= a29 + 192415 && a29 <= 41) && 0 <= a0 + 83) && a2 == 3) && a4 + 86 <= 0)) || ((((0 < a29 + 16 && a29 <= 599998) && 0 <= a0 + 60) && a2 == 3) && a4 + 86 <= 0)) || (((a4 + 42 <= 0 && 0 <= a29 + 192415) && a2 == 1) && a29 <= 41)) || (((0 < a29 + 16 && 5 <= a2) && a4 + 89 <= 0) && a29 <= 599998)) || ((a4 + 42 <= 0 && a2 == 1) && a0 + 98 <= 0)) || (((a29 + 107481 <= 0 && a2 <= 2) && 0 <= a0 + 60) && a4 + 86 <= 0)) || (((a4 + 42 <= 0 && a29 <= 41) && a2 == 3) && a0 + 147 <= 0)) || (((a4 + 42 <= 0 && a29 <= 41) && 0 < (a4 + 73) / 21 + 1) && a0 + 147 <= 0)) || ((((0 < a29 + 16 && a2 <= 2) && a29 <= 599998) && 0 <= a0 + 60) && a4 + 86 <= 0)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && !(3 == a2))) || ((a2 <= 2 && a4 + 89 <= 0) && a29 <= 599998)) || ((((0 < a29 + 16 && a2 <= 2) && 0 <= a0 + 146) && a29 <= 599998) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && 0 <= a29 + 192415) && 5 <= a2) && a29 <= 41) && a0 + 98 <= 0)) || (((0 < a29 + 16 && a4 + 42 <= 0) && a2 == 4) && a0 + 147 <= 0)) || ((((a4 + 42 <= 0 && 0 <= a0 + 146) && 0 < (a4 + 73) / 21 + 1) && a0 + 98 <= 0) && a2 == 3)) || (((0 < a29 + 16 && a29 <= 43) && 0 <= a0 + 60) && a4 + 86 <= 0)) || ((a4 + 42 <= 0 && a29 <= 599998) && ((a29 + 127 <= 0 && a0 + 147 <= 0) || (96176 <= a29 && a0 + 147 <= 0)))) || (((a4 + 42 <= 0 && 5 <= a2) && a0 + 98 <= 0) && 96176 <= a29)) || (((a4 + 42 <= 0 && a2 == 4) && a0 + 98 <= 0) && a29 + 145 <= 0)) || (((((0 < a29 + 16 && a4 + 42 <= 0) && a29 <= 599998) && 0 < (a4 + 73) / 21 + 1) && a2 == 3) && a0 + 147 <= 0)) || ((a2 <= 2 && a4 + 42 <= 0) && a0 + 147 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((a4 + 42 <= 0 && a29 <= 599998) && a0 + 98 <= 0) && 0 < (a4 + 73) / 21 + 1) && 96176 <= a29) || (((((0 < a29 + 16 && a4 + 42 <= 0) && a29 <= 599998) && a2 == 3) && a4 + 86 <= 0) && a0 + 147 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 145 <= 0)) || ((a4 + 89 <= 0 && 134655 < a29) && a0 + 98 <= 0)) || ((a29 <= 43 && a2 == 4) && a4 + 89 <= 0)) || (((0 < a29 + 16 && a4 + 89 <= 0) && a29 <= 599998) && a2 == 3)) || ((a4 + 89 <= 0 && a2 == 3) && a29 + 145 <= 0)) || ((((0 < a29 + 16 && 5 <= a2) && a29 <= 599998) && 0 <= a0 + 60) && a4 + 86 <= 0)) || ((a4 + 42 <= 0 && 5 <= a2) && a0 + 147 <= 0)) || ((((0 <= a29 + 192415 && a29 <= 41) && 0 <= a0 + 83) && a2 == 3) && a4 + 86 <= 0)) || ((((0 < a29 + 16 && a29 <= 599998) && 0 <= a0 + 60) && a2 == 3) && a4 + 86 <= 0)) || (((a4 + 42 <= 0 && 0 <= a29 + 192415) && a2 == 1) && a29 <= 41)) || (((0 < a29 + 16 && 5 <= a2) && a4 + 89 <= 0) && a29 <= 599998)) || ((a4 + 42 <= 0 && a2 == 1) && a0 + 98 <= 0)) || (((a29 + 107481 <= 0 && a2 <= 2) && 0 <= a0 + 60) && a4 + 86 <= 0)) || (((a4 + 42 <= 0 && a29 <= 41) && a2 == 3) && a0 + 147 <= 0)) || (((a4 + 42 <= 0 && a29 <= 41) && 0 < (a4 + 73) / 21 + 1) && a0 + 147 <= 0)) || ((((0 < a29 + 16 && a2 <= 2) && a29 <= 599998) && 0 <= a0 + 60) && a4 + 86 <= 0)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && !(3 == a2))) || ((a2 <= 2 && a4 + 89 <= 0) && a29 <= 599998)) || ((((0 < a29 + 16 && a2 <= 2) && 0 <= a0 + 146) && a29 <= 599998) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && 0 <= a29 + 192415) && 5 <= a2) && a29 <= 41) && a0 + 98 <= 0)) || (((0 < a29 + 16 && a4 + 42 <= 0) && a2 == 4) && a0 + 147 <= 0)) || ((((a4 + 42 <= 0 && 0 <= a0 + 146) && 0 < (a4 + 73) / 21 + 1) && a0 + 98 <= 0) && a2 == 3)) || (((0 < a29 + 16 && a29 <= 43) && 0 <= a0 + 60) && a4 + 86 <= 0)) || ((a4 + 42 <= 0 && a29 <= 599998) && ((a29 + 127 <= 0 && a0 + 147 <= 0) || (96176 <= a29 && a0 + 147 <= 0)))) || (((a4 + 42 <= 0 && 5 <= a2) && a0 + 98 <= 0) && 96176 <= a29)) || (((a4 + 42 <= 0 && a2 == 4) && a0 + 98 <= 0) && a29 + 145 <= 0)) || (((((0 < a29 + 16 && a4 + 42 <= 0) && a29 <= 599998) && 0 < (a4 + 73) / 21 + 1) && a2 == 3) && a0 + 147 <= 0)) || ((a2 <= 2 && a4 + 42 <= 0) && a0 + 147 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((a4 + 42 <= 0 && a29 <= 599998) && a0 + 98 <= 0) && 0 < (a4 + 73) / 21 + 1) && 96176 <= a29) || (((((0 < a29 + 16 && a4 + 42 <= 0) && a29 <= 599998) && a2 == 3) && a4 + 86 <= 0) && a0 + 147 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 145 <= 0)) || ((a4 + 89 <= 0 && 134655 < a29) && a0 + 98 <= 0)) || ((a29 <= 43 && a2 == 4) && a4 + 89 <= 0)) || (((0 < a29 + 16 && a4 + 89 <= 0) && a29 <= 599998) && a2 == 3)) || ((a4 + 89 <= 0 && a2 == 3) && a29 + 145 <= 0)) || ((((0 < a29 + 16 && 5 <= a2) && a29 <= 599998) && 0 <= a0 + 60) && a4 + 86 <= 0)) || ((a4 + 42 <= 0 && 5 <= a2) && a0 + 147 <= 0)) || ((((0 <= a29 + 192415 && a29 <= 41) && 0 <= a0 + 83) && a2 == 3) && a4 + 86 <= 0)) || ((((0 < a29 + 16 && a29 <= 599998) && 0 <= a0 + 60) && a2 == 3) && a4 + 86 <= 0)) || (((a4 + 42 <= 0 && 0 <= a29 + 192415) && a2 == 1) && a29 <= 41)) || (((0 < a29 + 16 && 5 <= a2) && a4 + 89 <= 0) && a29 <= 599998)) || ((a4 + 42 <= 0 && a2 == 1) && a0 + 98 <= 0)) || (((a29 + 107481 <= 0 && a2 <= 2) && 0 <= a0 + 60) && a4 + 86 <= 0)) || (((a4 + 42 <= 0 && a29 <= 41) && a2 == 3) && a0 + 147 <= 0)) || (((a4 + 42 <= 0 && a29 <= 41) && 0 < (a4 + 73) / 21 + 1) && a0 + 147 <= 0)) || ((((0 < a29 + 16 && a2 <= 2) && a29 <= 599998) && 0 <= a0 + 60) && a4 + 86 <= 0)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && !(3 == a2))) || ((a2 <= 2 && a4 + 89 <= 0) && a29 <= 599998)) || ((((0 < a29 + 16 && a2 <= 2) && 0 <= a0 + 146) && a29 <= 599998) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && 0 <= a29 + 192415) && 5 <= a2) && a29 <= 41) && a0 + 98 <= 0)) || (((0 < a29 + 16 && a4 + 42 <= 0) && a2 == 4) && a0 + 147 <= 0)) || ((((a4 + 42 <= 0 && 0 <= a0 + 146) && 0 < (a4 + 73) / 21 + 1) && a0 + 98 <= 0) && a2 == 3)) || (((0 < a29 + 16 && a29 <= 43) && 0 <= a0 + 60) && a4 + 86 <= 0)) || ((a4 + 42 <= 0 && a29 <= 599998) && ((a29 + 127 <= 0 && a0 + 147 <= 0) || (96176 <= a29 && a0 + 147 <= 0)))) || (((a4 + 42 <= 0 && 5 <= a2) && a0 + 98 <= 0) && 96176 <= a29)) || (((a4 + 42 <= 0 && a2 == 4) && a0 + 98 <= 0) && a29 + 145 <= 0)) || (((((0 < a29 + 16 && a4 + 42 <= 0) && a29 <= 599998) && 0 < (a4 + 73) / 21 + 1) && a2 == 3) && a0 + 147 <= 0)) || ((a2 <= 2 && a4 + 42 <= 0) && a0 + 147 <= 0) RESULT: Ultimate proved your program to be correct! [2021-12-17 04:49:42,947 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