./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label25.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/Problem11_label25.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 1a498dbc067f1de398639e507498752ad05d79db17a274a9c2dbfecc9e6d20a0 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 04:24:02,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 04:24:02,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 04:24:02,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 04:24:02,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 04:24:02,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 04:24:02,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 04:24:02,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 04:24:02,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 04:24:02,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 04:24:02,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 04:24:02,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 04:24:02,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 04:24:02,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 04:24:02,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 04:24:02,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 04:24:02,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 04:24:02,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 04:24:02,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 04:24:02,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 04:24:02,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 04:24:02,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 04:24:02,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 04:24:02,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 04:24:02,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 04:24:02,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 04:24:02,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 04:24:02,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 04:24:02,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 04:24:02,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 04:24:02,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 04:24:02,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 04:24:02,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 04:24:02,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 04:24:02,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 04:24:02,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 04:24:02,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 04:24:02,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 04:24:02,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 04:24:02,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 04:24:02,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 04:24:02,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 04:24:02,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 04:24:02,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 04:24:02,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 04:24:02,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 04:24:02,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 04:24:02,715 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 04:24:02,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 04:24:02,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 04:24:02,716 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 04:24:02,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 04:24:02,716 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 04:24:02,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 04:24:02,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 04:24:02,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 04:24:02,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 04:24:02,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 04:24:02,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 04:24:02,718 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 04:24:02,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 04:24:02,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 04:24:02,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 04:24:02,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 04:24:02,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 04:24:02,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 04:24:02,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:24:02,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 04:24:02,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 04:24:02,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 04:24:02,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 04:24:02,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 04:24:02,720 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 04:24:02,721 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 04:24:02,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 04:24:02,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 04:24:02,721 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a498dbc067f1de398639e507498752ad05d79db17a274a9c2dbfecc9e6d20a0 [2021-12-17 04:24:02,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 04:24:02,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 04:24:02,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 04:24:02,981 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 04:24:02,982 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 04:24:02,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label25.c [2021-12-17 04:24:03,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27da9ce6/4e3af12b31934c59a92e9345f54ea465/FLAG114d1f39c [2021-12-17 04:24:03,539 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 04:24:03,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label25.c [2021-12-17 04:24:03,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27da9ce6/4e3af12b31934c59a92e9345f54ea465/FLAG114d1f39c [2021-12-17 04:24:04,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27da9ce6/4e3af12b31934c59a92e9345f54ea465 [2021-12-17 04:24:04,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 04:24:04,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 04:24:04,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 04:24:04,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 04:24:04,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 04:24:04,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd234dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04, skipping insertion in model container [2021-12-17 04:24:04,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 04:24:04,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 04:24:04,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label25.c[4556,4569] [2021-12-17 04:24:04,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:24:04,528 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 04:24:04,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label25.c[4556,4569] [2021-12-17 04:24:04,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:24:04,699 INFO L208 MainTranslator]: Completed translation [2021-12-17 04:24:04,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04 WrapperNode [2021-12-17 04:24:04,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 04:24:04,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 04:24:04,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 04:24:04,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 04:24:04,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,865 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-17 04:24:04,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 04:24:04,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 04:24:04,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 04:24:04,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 04:24:04,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 04:24:04,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 04:24:04,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 04:24:04,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 04:24:04,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:24:04,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:24:05,000 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 04:24:05,028 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 04:24:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 04:24:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 04:24:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 04:24:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 04:24:05,114 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 04:24:05,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 04:24:06,377 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 04:24:06,391 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 04:24:06,391 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 04:24:06,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:24:06 BoogieIcfgContainer [2021-12-17 04:24:06,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 04:24:06,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 04:24:06,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 04:24:06,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 04:24:06,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 04:24:04" (1/3) ... [2021-12-17 04:24:06,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da0c8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:24:06, skipping insertion in model container [2021-12-17 04:24:06,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (2/3) ... [2021-12-17 04:24:06,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da0c8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:24:06, skipping insertion in model container [2021-12-17 04:24:06,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:24:06" (3/3) ... [2021-12-17 04:24:06,404 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label25.c [2021-12-17 04:24:06,411 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 04:24:06,412 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 04:24:06,464 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 04:24:06,473 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 04:24:06,474 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 04:24:06,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:24:06,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-17 04:24:06,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:06,508 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] [2021-12-17 04:24:06,508 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:06,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:06,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1843609039, now seen corresponding path program 1 times [2021-12-17 04:24:06,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:06,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178928231] [2021-12-17 04:24:06,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:06,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:06,740 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 04:24:06,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:06,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178928231] [2021-12-17 04:24:06,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178928231] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:06,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:06,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:24:06,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678610787] [2021-12-17 04:24:06,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:06,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:06,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:06,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:06,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:06,787 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 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 04:24:07,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:07,850 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-12-17 04:24:07,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:07,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2021-12-17 04:24:07,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:07,865 INFO L225 Difference]: With dead ends: 761 [2021-12-17 04:24:07,865 INFO L226 Difference]: Without dead ends: 413 [2021-12-17 04:24:07,869 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 04:24:07,873 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 197 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:07,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:24:07,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-17 04:24:07,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-12-17 04:24:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 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 04:24:07,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-12-17 04:24:07,931 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 31 [2021-12-17 04:24:07,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:07,931 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-12-17 04:24:07,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 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 04:24:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-12-17 04:24:07,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-17 04:24:07,934 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:07,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:07,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 04:24:07,935 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:07,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:07,936 INFO L85 PathProgramCache]: Analyzing trace with hash 511429272, now seen corresponding path program 1 times [2021-12-17 04:24:07,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:07,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424462105] [2021-12-17 04:24:07,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:07,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:08,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:08,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424462105] [2021-12-17 04:24:08,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424462105] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:08,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:08,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:24:08,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736513238] [2021-12-17 04:24:08,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:08,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:08,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:08,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:08,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:08,129 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:24:08,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:08,863 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-12-17 04:24:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:08,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2021-12-17 04:24:08,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:08,873 INFO L225 Difference]: With dead ends: 1211 [2021-12-17 04:24:08,873 INFO L226 Difference]: Without dead ends: 800 [2021-12-17 04:24:08,877 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 04:24:08,878 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:08,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 118 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:24:08,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-17 04:24:08,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-12-17 04:24:08,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3756345177664975) internal successors, (1084), 788 states have internal predecessors, (1084), 0 states have call successors, (0), 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 04:24:08,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1084 transitions. [2021-12-17 04:24:08,946 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1084 transitions. Word has length 99 [2021-12-17 04:24:08,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:08,947 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1084 transitions. [2021-12-17 04:24:08,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:24:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1084 transitions. [2021-12-17 04:24:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-17 04:24:08,950 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:08,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:08,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 04:24:08,951 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:08,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:08,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2046842248, now seen corresponding path program 1 times [2021-12-17 04:24:08,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:08,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002004978] [2021-12-17 04:24:08,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:08,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:09,059 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:09,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:09,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002004978] [2021-12-17 04:24:09,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002004978] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:09,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:09,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:24:09,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129256848] [2021-12-17 04:24:09,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:09,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:09,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:09,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:09,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:09,063 INFO L87 Difference]: Start difference. First operand 789 states and 1084 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 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 04:24:09,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:09,796 INFO L93 Difference]: Finished difference Result 2314 states and 3184 transitions. [2021-12-17 04:24:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:09,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2021-12-17 04:24:09,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:09,801 INFO L225 Difference]: With dead ends: 2314 [2021-12-17 04:24:09,801 INFO L226 Difference]: Without dead ends: 1527 [2021-12-17 04:24:09,802 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 04:24:09,803 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 120 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:09,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 193 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:24:09,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2021-12-17 04:24:09,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2021-12-17 04:24:09,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 1525 states have (on average 1.2177049180327868) internal successors, (1857), 1525 states have internal predecessors, (1857), 0 states have call successors, (0), 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 04:24:09,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1857 transitions. [2021-12-17 04:24:09,833 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1857 transitions. Word has length 100 [2021-12-17 04:24:09,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:09,834 INFO L470 AbstractCegarLoop]: Abstraction has 1526 states and 1857 transitions. [2021-12-17 04:24:09,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 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 04:24:09,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1857 transitions. [2021-12-17 04:24:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-17 04:24:09,842 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:09,842 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:09,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 04:24:09,843 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:09,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:09,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1827645373, now seen corresponding path program 1 times [2021-12-17 04:24:09,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:09,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611381484] [2021-12-17 04:24:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:09,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:10,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:10,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611381484] [2021-12-17 04:24:10,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611381484] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:10,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:10,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:10,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985270580] [2021-12-17 04:24:10,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:10,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:10,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:10,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:10,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:10,033 INFO L87 Difference]: Start difference. First operand 1526 states and 1857 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 04:24:10,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:10,732 INFO L93 Difference]: Finished difference Result 3257 states and 4126 transitions. [2021-12-17 04:24:10,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:10,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 158 [2021-12-17 04:24:10,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:10,743 INFO L225 Difference]: With dead ends: 3257 [2021-12-17 04:24:10,743 INFO L226 Difference]: Without dead ends: 1917 [2021-12-17 04:24:10,745 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 04:24:10,746 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 204 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:10,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 321 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:24:10,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2021-12-17 04:24:10,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2021-12-17 04:24:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1914 states, 1913 states have (on average 1.246732880292734) internal successors, (2385), 1913 states have internal predecessors, (2385), 0 states have call successors, (0), 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 04:24:10,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2385 transitions. [2021-12-17 04:24:10,784 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2385 transitions. Word has length 158 [2021-12-17 04:24:10,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:10,784 INFO L470 AbstractCegarLoop]: Abstraction has 1914 states and 2385 transitions. [2021-12-17 04:24:10,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 04:24:10,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2385 transitions. [2021-12-17 04:24:10,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-17 04:24:10,788 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:10,788 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:10,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 04:24:10,788 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:10,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:10,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1853380539, now seen corresponding path program 1 times [2021-12-17 04:24:10,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:10,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826617756] [2021-12-17 04:24:10,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:10,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:10,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:10,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826617756] [2021-12-17 04:24:10,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826617756] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:10,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:10,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:10,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451925476] [2021-12-17 04:24:10,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:10,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:10,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:10,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:10,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:10,888 INFO L87 Difference]: Start difference. First operand 1914 states and 2385 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 04:24:11,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:11,594 INFO L93 Difference]: Finished difference Result 4579 states and 5797 transitions. [2021-12-17 04:24:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:11,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2021-12-17 04:24:11,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:11,604 INFO L225 Difference]: With dead ends: 4579 [2021-12-17 04:24:11,605 INFO L226 Difference]: Without dead ends: 2851 [2021-12-17 04:24:11,607 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 04:24:11,608 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:11,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 338 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:24:11,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2851 states. [2021-12-17 04:24:11,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2851 to 2469. [2021-12-17 04:24:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2469 states, 2468 states have (on average 1.2374392220421393) internal successors, (3054), 2468 states have internal predecessors, (3054), 0 states have call successors, (0), 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 04:24:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2469 states and 3054 transitions. [2021-12-17 04:24:11,654 INFO L78 Accepts]: Start accepts. Automaton has 2469 states and 3054 transitions. Word has length 211 [2021-12-17 04:24:11,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:11,655 INFO L470 AbstractCegarLoop]: Abstraction has 2469 states and 3054 transitions. [2021-12-17 04:24:11,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 04:24:11,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 3054 transitions. [2021-12-17 04:24:11,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-17 04:24:11,661 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:11,661 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:24:11,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 04:24:11,662 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:11,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:11,663 INFO L85 PathProgramCache]: Analyzing trace with hash 898941365, now seen corresponding path program 1 times [2021-12-17 04:24:11,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:11,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796182618] [2021-12-17 04:24:11,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:11,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-17 04:24:11,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:11,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796182618] [2021-12-17 04:24:11,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796182618] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:11,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:11,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:11,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502480021] [2021-12-17 04:24:11,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:11,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:11,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:11,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:11,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:11,779 INFO L87 Difference]: Start difference. First operand 2469 states and 3054 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 04:24:12,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:12,442 INFO L93 Difference]: Finished difference Result 5687 states and 7039 transitions. [2021-12-17 04:24:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:12,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 212 [2021-12-17 04:24:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:12,453 INFO L225 Difference]: With dead ends: 5687 [2021-12-17 04:24:12,453 INFO L226 Difference]: Without dead ends: 3036 [2021-12-17 04:24:12,456 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 04:24:12,457 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 171 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:12,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 346 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:24:12,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3036 states. [2021-12-17 04:24:12,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3036 to 3021. [2021-12-17 04:24:12,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3021 states, 3020 states have (on average 1.229139072847682) internal successors, (3712), 3020 states have internal predecessors, (3712), 0 states have call successors, (0), 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 04:24:12,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3021 states to 3021 states and 3712 transitions. [2021-12-17 04:24:12,509 INFO L78 Accepts]: Start accepts. Automaton has 3021 states and 3712 transitions. Word has length 212 [2021-12-17 04:24:12,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:12,510 INFO L470 AbstractCegarLoop]: Abstraction has 3021 states and 3712 transitions. [2021-12-17 04:24:12,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 04:24:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 3712 transitions. [2021-12-17 04:24:12,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-17 04:24:12,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:12,512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:12,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 04:24:12,513 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:12,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:12,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1164869568, now seen corresponding path program 1 times [2021-12-17 04:24:12,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:12,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22580885] [2021-12-17 04:24:12,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:12,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:12,604 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-17 04:24:12,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:12,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22580885] [2021-12-17 04:24:12,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22580885] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:12,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:12,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:12,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075994717] [2021-12-17 04:24:12,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:12,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:12,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:12,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:12,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:12,607 INFO L87 Difference]: Start difference. First operand 3021 states and 3712 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 04:24:13,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:13,350 INFO L93 Difference]: Finished difference Result 6786 states and 8431 transitions. [2021-12-17 04:24:13,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:13,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 213 [2021-12-17 04:24:13,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:13,363 INFO L225 Difference]: With dead ends: 6786 [2021-12-17 04:24:13,363 INFO L226 Difference]: Without dead ends: 3767 [2021-12-17 04:24:13,367 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 04:24:13,368 INFO L933 BasicCegarLoop]: 357 mSDtfsCounter, 166 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:13,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 378 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:24:13,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3767 states. [2021-12-17 04:24:13,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3767 to 3573. [2021-12-17 04:24:13,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3573 states, 3572 states have (on average 1.2234042553191489) internal successors, (4370), 3572 states have internal predecessors, (4370), 0 states have call successors, (0), 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 04:24:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3573 states to 3573 states and 4370 transitions. [2021-12-17 04:24:13,443 INFO L78 Accepts]: Start accepts. Automaton has 3573 states and 4370 transitions. Word has length 213 [2021-12-17 04:24:13,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:13,443 INFO L470 AbstractCegarLoop]: Abstraction has 3573 states and 4370 transitions. [2021-12-17 04:24:13,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 04:24:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3573 states and 4370 transitions. [2021-12-17 04:24:13,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-17 04:24:13,447 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:13,447 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:13,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 04:24:13,447 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:13,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:13,449 INFO L85 PathProgramCache]: Analyzing trace with hash 479506802, now seen corresponding path program 1 times [2021-12-17 04:24:13,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:13,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149111266] [2021-12-17 04:24:13,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:13,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:13,594 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:13,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:13,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149111266] [2021-12-17 04:24:13,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149111266] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:13,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:13,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 04:24:13,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219902048] [2021-12-17 04:24:13,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:13,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:13,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:13,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:13,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:13,597 INFO L87 Difference]: Start difference. First operand 3573 states and 4370 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 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 04:24:14,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:14,795 INFO L93 Difference]: Finished difference Result 11786 states and 14586 transitions. [2021-12-17 04:24:14,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:14,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2021-12-17 04:24:14,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:14,824 INFO L225 Difference]: With dead ends: 11786 [2021-12-17 04:24:14,824 INFO L226 Difference]: Without dead ends: 8215 [2021-12-17 04:24:14,829 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 04:24:14,830 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 306 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:14,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 210 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:24:14,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8215 states. [2021-12-17 04:24:14,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8215 to 7842. [2021-12-17 04:24:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7842 states, 7841 states have (on average 1.1920673383497002) internal successors, (9347), 7841 states have internal predecessors, (9347), 0 states have call successors, (0), 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 04:24:14,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7842 states to 7842 states and 9347 transitions. [2021-12-17 04:24:14,967 INFO L78 Accepts]: Start accepts. Automaton has 7842 states and 9347 transitions. Word has length 233 [2021-12-17 04:24:14,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:14,968 INFO L470 AbstractCegarLoop]: Abstraction has 7842 states and 9347 transitions. [2021-12-17 04:24:14,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 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 04:24:14,969 INFO L276 IsEmpty]: Start isEmpty. Operand 7842 states and 9347 transitions. [2021-12-17 04:24:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-17 04:24:14,972 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:14,972 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:24:14,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 04:24:14,974 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:14,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:14,974 INFO L85 PathProgramCache]: Analyzing trace with hash -554811765, now seen corresponding path program 1 times [2021-12-17 04:24:14,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:14,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308382246] [2021-12-17 04:24:14,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:14,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:15,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:15,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308382246] [2021-12-17 04:24:15,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308382246] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:15,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:15,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 04:24:15,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202405700] [2021-12-17 04:24:15,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:15,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:15,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:15,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:15,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:15,117 INFO L87 Difference]: Start difference. First operand 7842 states and 9347 transitions. Second operand has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 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 04:24:16,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:16,370 INFO L93 Difference]: Finished difference Result 20489 states and 24740 transitions. [2021-12-17 04:24:16,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:16,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 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 243 [2021-12-17 04:24:16,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:16,435 INFO L225 Difference]: With dead ends: 20489 [2021-12-17 04:24:16,435 INFO L226 Difference]: Without dead ends: 12649 [2021-12-17 04:24:16,444 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 04:24:16,445 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 312 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:16,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 131 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:24:16,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12649 states. [2021-12-17 04:24:16,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12649 to 12267. [2021-12-17 04:24:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12267 states, 12266 states have (on average 1.1924832871351705) internal successors, (14627), 12266 states have internal predecessors, (14627), 0 states have call successors, (0), 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 04:24:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12267 states to 12267 states and 14627 transitions. [2021-12-17 04:24:16,653 INFO L78 Accepts]: Start accepts. Automaton has 12267 states and 14627 transitions. Word has length 243 [2021-12-17 04:24:16,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:16,654 INFO L470 AbstractCegarLoop]: Abstraction has 12267 states and 14627 transitions. [2021-12-17 04:24:16,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 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 04:24:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 12267 states and 14627 transitions. [2021-12-17 04:24:16,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-17 04:24:16,659 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:16,659 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:24:16,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 04:24:16,660 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:16,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:16,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1866996857, now seen corresponding path program 1 times [2021-12-17 04:24:16,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:16,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25765540] [2021-12-17 04:24:16,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:16,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:16,782 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-17 04:24:16,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:16,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25765540] [2021-12-17 04:24:16,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25765540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:16,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:16,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:16,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519762402] [2021-12-17 04:24:16,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:16,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:16,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:16,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:16,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:16,785 INFO L87 Difference]: Start difference. First operand 12267 states and 14627 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 04:24:17,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:17,602 INFO L93 Difference]: Finished difference Result 29315 states and 35150 transitions. [2021-12-17 04:24:17,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:17,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 245 [2021-12-17 04:24:17,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:17,639 INFO L225 Difference]: With dead ends: 29315 [2021-12-17 04:24:17,639 INFO L226 Difference]: Without dead ends: 16866 [2021-12-17 04:24:17,691 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 04:24:17,692 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 169 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:17,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 373 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:24:17,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16866 states. [2021-12-17 04:24:17,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16866 to 16126. [2021-12-17 04:24:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16126 states, 16125 states have (on average 1.1728992248062016) internal successors, (18913), 16125 states have internal predecessors, (18913), 0 states have call successors, (0), 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 04:24:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16126 states to 16126 states and 18913 transitions. [2021-12-17 04:24:17,948 INFO L78 Accepts]: Start accepts. Automaton has 16126 states and 18913 transitions. Word has length 245 [2021-12-17 04:24:17,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:17,949 INFO L470 AbstractCegarLoop]: Abstraction has 16126 states and 18913 transitions. [2021-12-17 04:24:17,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 04:24:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 16126 states and 18913 transitions. [2021-12-17 04:24:17,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-17 04:24:17,954 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:17,954 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:24:17,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 04:24:17,955 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:17,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:17,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1688647778, now seen corresponding path program 1 times [2021-12-17 04:24:17,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:17,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084262319] [2021-12-17 04:24:17,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:17,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:18,067 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-17 04:24:18,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:18,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084262319] [2021-12-17 04:24:18,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084262319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:18,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:18,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:18,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541810199] [2021-12-17 04:24:18,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:18,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:18,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:18,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:18,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:18,071 INFO L87 Difference]: Start difference. First operand 16126 states and 18913 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 04:24:18,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:18,928 INFO L93 Difference]: Finished difference Result 32260 states and 37844 transitions. [2021-12-17 04:24:18,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:18,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 250 [2021-12-17 04:24:18,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:18,962 INFO L225 Difference]: With dead ends: 32260 [2021-12-17 04:24:18,962 INFO L226 Difference]: Without dead ends: 16136 [2021-12-17 04:24:18,977 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 04:24:18,978 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 169 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:18,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 374 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:24:18,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16136 states. [2021-12-17 04:24:19,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16136 to 16125. [2021-12-17 04:24:19,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.143326717935996) internal successors, (18435), 16124 states have internal predecessors, (18435), 0 states have call successors, (0), 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 04:24:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 18435 transitions. [2021-12-17 04:24:19,255 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 18435 transitions. Word has length 250 [2021-12-17 04:24:19,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:19,256 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 18435 transitions. [2021-12-17 04:24:19,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 04:24:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 18435 transitions. [2021-12-17 04:24:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-12-17 04:24:19,262 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:19,262 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:24:19,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 04:24:19,262 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:19,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:19,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1152681977, now seen corresponding path program 1 times [2021-12-17 04:24:19,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:19,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158794754] [2021-12-17 04:24:19,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:19,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:19,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:19,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158794754] [2021-12-17 04:24:19,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158794754] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:19,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:19,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:19,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760543869] [2021-12-17 04:24:19,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:19,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:19,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:19,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:19,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:19,466 INFO L87 Difference]: Start difference. First operand 16125 states and 18435 transitions. Second operand has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 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 04:24:20,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:20,592 INFO L93 Difference]: Finished difference Result 30005 states and 34347 transitions. [2021-12-17 04:24:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:20,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 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 264 [2021-12-17 04:24:20,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:20,621 INFO L225 Difference]: With dead ends: 30005 [2021-12-17 04:24:20,621 INFO L226 Difference]: Without dead ends: 13514 [2021-12-17 04:24:20,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:20,636 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 184 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:20,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 171 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:24:20,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13514 states. [2021-12-17 04:24:20,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13514 to 10925. [2021-12-17 04:24:20,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10925 states, 10924 states have (on average 1.1121384108385206) internal successors, (12149), 10924 states have internal predecessors, (12149), 0 states have call successors, (0), 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 04:24:20,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10925 states to 10925 states and 12149 transitions. [2021-12-17 04:24:20,795 INFO L78 Accepts]: Start accepts. Automaton has 10925 states and 12149 transitions. Word has length 264 [2021-12-17 04:24:20,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:20,796 INFO L470 AbstractCegarLoop]: Abstraction has 10925 states and 12149 transitions. [2021-12-17 04:24:20,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 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 04:24:20,796 INFO L276 IsEmpty]: Start isEmpty. Operand 10925 states and 12149 transitions. [2021-12-17 04:24:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-17 04:24:20,803 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:20,804 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:20,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 04:24:20,804 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:20,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:20,805 INFO L85 PathProgramCache]: Analyzing trace with hash -800517391, now seen corresponding path program 1 times [2021-12-17 04:24:20,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:20,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501387381] [2021-12-17 04:24:20,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:20,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-12-17 04:24:20,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:20,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501387381] [2021-12-17 04:24:20,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501387381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:20,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:20,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:20,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971619823] [2021-12-17 04:24:20,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:20,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:20,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:20,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:20,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:20,983 INFO L87 Difference]: Start difference. First operand 10925 states and 12149 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:24:21,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:21,589 INFO L93 Difference]: Finished difference Result 23136 states and 25735 transitions. [2021-12-17 04:24:21,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:21,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 298 [2021-12-17 04:24:21,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:21,610 INFO L225 Difference]: With dead ends: 23136 [2021-12-17 04:24:21,611 INFO L226 Difference]: Without dead ends: 12213 [2021-12-17 04:24:21,620 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 04:24:21,621 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 162 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:21,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 378 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:24:21,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12213 states. [2021-12-17 04:24:21,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12213 to 11661. [2021-12-17 04:24:21,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11661 states, 11660 states have (on average 1.108147512864494) internal successors, (12921), 11660 states have internal predecessors, (12921), 0 states have call successors, (0), 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 04:24:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11661 states to 11661 states and 12921 transitions. [2021-12-17 04:24:21,756 INFO L78 Accepts]: Start accepts. Automaton has 11661 states and 12921 transitions. Word has length 298 [2021-12-17 04:24:21,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:21,757 INFO L470 AbstractCegarLoop]: Abstraction has 11661 states and 12921 transitions. [2021-12-17 04:24:21,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:24:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 11661 states and 12921 transitions. [2021-12-17 04:24:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-12-17 04:24:21,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:21,765 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 04:24:21,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-17 04:24:21,766 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:21,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:21,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1650248133, now seen corresponding path program 1 times [2021-12-17 04:24:21,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:21,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507633097] [2021-12-17 04:24:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:21,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-17 04:24:21,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:21,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507633097] [2021-12-17 04:24:21,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507633097] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:21,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:21,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 04:24:21,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523878696] [2021-12-17 04:24:21,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:21,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:21,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:21,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:21,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:21,904 INFO L87 Difference]: Start difference. First operand 11661 states and 12921 transitions. Second operand has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 0 states have call successors, (0), 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 04:24:23,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:23,155 INFO L93 Difference]: Finished difference Result 30523 states and 33801 transitions. [2021-12-17 04:24:23,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:23,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 0 states have call successors, (0), 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 318 [2021-12-17 04:24:23,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:23,185 INFO L225 Difference]: With dead ends: 30523 [2021-12-17 04:24:23,185 INFO L226 Difference]: Without dead ends: 18680 [2021-12-17 04:24:23,196 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 04:24:23,197 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 331 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:23,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 88 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:24:23,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18680 states. [2021-12-17 04:24:23,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18680 to 16828. [2021-12-17 04:24:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16828 states, 16827 states have (on average 1.103167528377013) internal successors, (18563), 16827 states have internal predecessors, (18563), 0 states have call successors, (0), 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 04:24:23,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16828 states to 16828 states and 18563 transitions. [2021-12-17 04:24:23,398 INFO L78 Accepts]: Start accepts. Automaton has 16828 states and 18563 transitions. Word has length 318 [2021-12-17 04:24:23,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:23,399 INFO L470 AbstractCegarLoop]: Abstraction has 16828 states and 18563 transitions. [2021-12-17 04:24:23,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 0 states have call successors, (0), 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 04:24:23,399 INFO L276 IsEmpty]: Start isEmpty. Operand 16828 states and 18563 transitions. [2021-12-17 04:24:23,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-12-17 04:24:23,408 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:23,408 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:23,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-17 04:24:23,408 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:23,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:23,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1693039034, now seen corresponding path program 1 times [2021-12-17 04:24:23,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:23,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238287857] [2021-12-17 04:24:23,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:23,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:23,514 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-12-17 04:24:23,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:23,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238287857] [2021-12-17 04:24:23,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238287857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:23,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:23,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:23,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236517968] [2021-12-17 04:24:23,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:23,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:23,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:23,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:23,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:23,516 INFO L87 Difference]: Start difference. First operand 16828 states and 18563 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 04:24:24,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:24,141 INFO L93 Difference]: Finished difference Result 36413 states and 40149 transitions. [2021-12-17 04:24:24,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:24,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 325 [2021-12-17 04:24:24,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:24,165 INFO L225 Difference]: With dead ends: 36413 [2021-12-17 04:24:24,166 INFO L226 Difference]: Without dead ends: 19587 [2021-12-17 04:24:24,181 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 04:24:24,183 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 188 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:24,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 141 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:24:24,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19587 states. [2021-12-17 04:24:24,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19587 to 13142. [2021-12-17 04:24:24,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13142 states, 13141 states have (on average 1.1063085001141466) internal successors, (14538), 13141 states have internal predecessors, (14538), 0 states have call successors, (0), 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 04:24:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13142 states to 13142 states and 14538 transitions. [2021-12-17 04:24:24,412 INFO L78 Accepts]: Start accepts. Automaton has 13142 states and 14538 transitions. Word has length 325 [2021-12-17 04:24:24,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:24,412 INFO L470 AbstractCegarLoop]: Abstraction has 13142 states and 14538 transitions. [2021-12-17 04:24:24,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 04:24:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand 13142 states and 14538 transitions. [2021-12-17 04:24:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-12-17 04:24:24,427 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:24,428 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:24:24,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-17 04:24:24,428 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:24,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:24,429 INFO L85 PathProgramCache]: Analyzing trace with hash 623756768, now seen corresponding path program 1 times [2021-12-17 04:24:24,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:24,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838029104] [2021-12-17 04:24:24,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:24,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:24,582 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 57 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:24,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:24,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838029104] [2021-12-17 04:24:24,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838029104] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:24:24,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481926316] [2021-12-17 04:24:24,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:24,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:24:24,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:24:24,587 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 04:24:24,626 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 04:24:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:24,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 04:24:24,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:24:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 57 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:25,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:24:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 57 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:27,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481926316] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:24:27,191 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:24:27,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 9 [2021-12-17 04:24:27,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601495304] [2021-12-17 04:24:27,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:24:27,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 04:24:27,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:27,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 04:24:27,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2021-12-17 04:24:27,194 INFO L87 Difference]: Start difference. First operand 13142 states and 14538 transitions. Second operand has 10 states, 10 states have (on average 68.9) internal successors, (689), 9 states have internal predecessors, (689), 0 states have call successors, (0), 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 04:24:30,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:30,187 INFO L93 Difference]: Finished difference Result 30485 states and 33492 transitions. [2021-12-17 04:24:30,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 04:24:30,188 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 68.9) internal successors, (689), 9 states have internal predecessors, (689), 0 states have call successors, (0), 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 329 [2021-12-17 04:24:30,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:30,225 INFO L225 Difference]: With dead ends: 30485 [2021-12-17 04:24:30,225 INFO L226 Difference]: Without dead ends: 30483 [2021-12-17 04:24:30,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2021-12-17 04:24:30,236 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 1399 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 3540 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 4066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 3540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:30,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1399 Valid, 191 Invalid, 4066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 3540 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-17 04:24:30,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30483 states. [2021-12-17 04:24:30,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30483 to 14255. [2021-12-17 04:24:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14255 states, 14254 states have (on average 1.1081801599551002) internal successors, (15796), 14254 states have internal predecessors, (15796), 0 states have call successors, (0), 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 04:24:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14255 states to 14255 states and 15796 transitions. [2021-12-17 04:24:30,513 INFO L78 Accepts]: Start accepts. Automaton has 14255 states and 15796 transitions. Word has length 329 [2021-12-17 04:24:30,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:30,514 INFO L470 AbstractCegarLoop]: Abstraction has 14255 states and 15796 transitions. [2021-12-17 04:24:30,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 68.9) internal successors, (689), 9 states have internal predecessors, (689), 0 states have call successors, (0), 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 04:24:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 14255 states and 15796 transitions. [2021-12-17 04:24:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2021-12-17 04:24:30,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:30,529 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:30,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 04:24:30,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-17 04:24:30,753 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:30,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:30,754 INFO L85 PathProgramCache]: Analyzing trace with hash 908773697, now seen corresponding path program 1 times [2021-12-17 04:24:30,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:30,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943542566] [2021-12-17 04:24:30,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:30,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:30,967 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 20 proven. 66 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-12-17 04:24:30,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:30,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943542566] [2021-12-17 04:24:30,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943542566] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:24:30,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63228383] [2021-12-17 04:24:30,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:30,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:24:30,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:24:30,969 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 04:24:30,970 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 04:24:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:31,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:24:31,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:24:31,611 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-12-17 04:24:31,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:24:31,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63228383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:31,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:24:31,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-17 04:24:31,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611644891] [2021-12-17 04:24:31,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:31,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:31,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:31,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:31,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:24:31,614 INFO L87 Difference]: Start difference. First operand 14255 states and 15796 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 04:24:32,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:32,204 INFO L93 Difference]: Finished difference Result 29794 states and 32968 transitions. [2021-12-17 04:24:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:32,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 426 [2021-12-17 04:24:32,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:32,219 INFO L225 Difference]: With dead ends: 29794 [2021-12-17 04:24:32,219 INFO L226 Difference]: Without dead ends: 15357 [2021-12-17 04:24:32,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:24:32,230 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 172 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:32,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 153 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:24:32,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15357 states. [2021-12-17 04:24:32,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15357 to 13327. [2021-12-17 04:24:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13327 states, 13326 states have (on average 1.1064085246885786) internal successors, (14744), 13326 states have internal predecessors, (14744), 0 states have call successors, (0), 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 04:24:32,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13327 states to 13327 states and 14744 transitions. [2021-12-17 04:24:32,369 INFO L78 Accepts]: Start accepts. Automaton has 13327 states and 14744 transitions. Word has length 426 [2021-12-17 04:24:32,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:32,369 INFO L470 AbstractCegarLoop]: Abstraction has 13327 states and 14744 transitions. [2021-12-17 04:24:32,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 04:24:32,370 INFO L276 IsEmpty]: Start isEmpty. Operand 13327 states and 14744 transitions. [2021-12-17 04:24:32,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-12-17 04:24:32,381 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:32,381 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:32,400 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 04:24:32,589 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,SelfDestructingSolverStorable16 [2021-12-17 04:24:32,589 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:32,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:32,590 INFO L85 PathProgramCache]: Analyzing trace with hash 533420212, now seen corresponding path program 1 times [2021-12-17 04:24:32,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:32,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249371382] [2021-12-17 04:24:32,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:32,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:32,771 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-12-17 04:24:32,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:32,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249371382] [2021-12-17 04:24:32,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249371382] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:32,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:32,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:32,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332065913] [2021-12-17 04:24:32,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:32,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:32,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:32,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:32,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:32,774 INFO L87 Difference]: Start difference. First operand 13327 states and 14744 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 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 04:24:33,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:33,461 INFO L93 Difference]: Finished difference Result 27407 states and 30283 transitions. [2021-12-17 04:24:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:33,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 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 447 [2021-12-17 04:24:33,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:33,478 INFO L225 Difference]: With dead ends: 27407 [2021-12-17 04:24:33,478 INFO L226 Difference]: Without dead ends: 13530 [2021-12-17 04:24:33,488 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 04:24:33,488 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 111 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:33,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 174 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:24:33,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13530 states. [2021-12-17 04:24:33,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13530 to 12959. [2021-12-17 04:24:33,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12959 states, 12958 states have (on average 1.0969285383546843) internal successors, (14214), 12958 states have internal predecessors, (14214), 0 states have call successors, (0), 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 04:24:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12959 states to 12959 states and 14214 transitions. [2021-12-17 04:24:33,628 INFO L78 Accepts]: Start accepts. Automaton has 12959 states and 14214 transitions. Word has length 447 [2021-12-17 04:24:33,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:33,628 INFO L470 AbstractCegarLoop]: Abstraction has 12959 states and 14214 transitions. [2021-12-17 04:24:33,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 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 04:24:33,629 INFO L276 IsEmpty]: Start isEmpty. Operand 12959 states and 14214 transitions. [2021-12-17 04:24:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2021-12-17 04:24:33,641 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:33,641 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:33,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-17 04:24:33,641 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:33,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:33,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1279621825, now seen corresponding path program 1 times [2021-12-17 04:24:33,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:33,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416063973] [2021-12-17 04:24:33,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:33,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:33,842 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 596 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-17 04:24:33,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:33,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416063973] [2021-12-17 04:24:33,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416063973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:33,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:33,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 04:24:33,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397575973] [2021-12-17 04:24:33,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:33,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 04:24:33,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:33,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 04:24:33,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:24:33,845 INFO L87 Difference]: Start difference. First operand 12959 states and 14214 transitions. Second operand has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 0 states have call successors, (0), 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 04:24:35,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:35,213 INFO L93 Difference]: Finished difference Result 33683 states and 36844 transitions. [2021-12-17 04:24:35,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 04:24:35,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 496 [2021-12-17 04:24:35,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:35,229 INFO L225 Difference]: With dead ends: 33683 [2021-12-17 04:24:35,229 INFO L226 Difference]: Without dead ends: 20726 [2021-12-17 04:24:35,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:24:35,235 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 378 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:35,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [378 Valid, 97 Invalid, 1751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:24:35,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20726 states. [2021-12-17 04:24:35,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20726 to 15356. [2021-12-17 04:24:35,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15356 states, 15355 states have (on average 1.0928036470205145) internal successors, (16780), 15355 states have internal predecessors, (16780), 0 states have call successors, (0), 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 04:24:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15356 states to 15356 states and 16780 transitions. [2021-12-17 04:24:35,413 INFO L78 Accepts]: Start accepts. Automaton has 15356 states and 16780 transitions. Word has length 496 [2021-12-17 04:24:35,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:35,414 INFO L470 AbstractCegarLoop]: Abstraction has 15356 states and 16780 transitions. [2021-12-17 04:24:35,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 0 states have call successors, (0), 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 04:24:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 15356 states and 16780 transitions. [2021-12-17 04:24:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-12-17 04:24:35,425 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:35,426 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:35,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-17 04:24:35,426 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:35,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:35,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1355629541, now seen corresponding path program 1 times [2021-12-17 04:24:35,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:35,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032159480] [2021-12-17 04:24:35,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:35,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-17 04:24:35,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:35,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032159480] [2021-12-17 04:24:35,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032159480] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:35,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:35,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 04:24:35,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915061157] [2021-12-17 04:24:35,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:35,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 04:24:35,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:35,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 04:24:35,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:24:35,620 INFO L87 Difference]: Start difference. First operand 15356 states and 16780 transitions. Second operand has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 0 states have call successors, (0), 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 04:24:36,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:36,671 INFO L93 Difference]: Finished difference Result 34042 states and 37051 transitions. [2021-12-17 04:24:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 04:24:36,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 0 states have call successors, (0), 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 500 [2021-12-17 04:24:36,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:36,690 INFO L225 Difference]: With dead ends: 34042 [2021-12-17 04:24:36,690 INFO L226 Difference]: Without dead ends: 18688 [2021-12-17 04:24:36,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:24:36,700 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 371 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:36,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [371 Valid, 69 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1271 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:24:36,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18688 states. [2021-12-17 04:24:36,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18688 to 8155. [2021-12-17 04:24:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8155 states, 8154 states have (on average 1.093205788570027) internal successors, (8914), 8154 states have internal predecessors, (8914), 0 states have call successors, (0), 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 04:24:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8155 states to 8155 states and 8914 transitions. [2021-12-17 04:24:36,804 INFO L78 Accepts]: Start accepts. Automaton has 8155 states and 8914 transitions. Word has length 500 [2021-12-17 04:24:36,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:36,804 INFO L470 AbstractCegarLoop]: Abstraction has 8155 states and 8914 transitions. [2021-12-17 04:24:36,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 0 states have call successors, (0), 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 04:24:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 8155 states and 8914 transitions. [2021-12-17 04:24:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2021-12-17 04:24:36,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:36,813 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:36,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-17 04:24:36,813 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:36,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:36,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1414202340, now seen corresponding path program 1 times [2021-12-17 04:24:36,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:36,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166634024] [2021-12-17 04:24:36,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:36,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 510 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-17 04:24:36,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:36,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166634024] [2021-12-17 04:24:36,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166634024] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:36,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:36,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:36,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552141787] [2021-12-17 04:24:36,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:36,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:36,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:36,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:36,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:36,969 INFO L87 Difference]: Start difference. First operand 8155 states and 8914 transitions. Second operand has 4 states, 4 states have (on average 122.25) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 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 04:24:37,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:37,883 INFO L93 Difference]: Finished difference Result 19446 states and 21234 transitions. [2021-12-17 04:24:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:37,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 122.25) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 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 517 [2021-12-17 04:24:37,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:37,893 INFO L225 Difference]: With dead ends: 19446 [2021-12-17 04:24:37,893 INFO L226 Difference]: Without dead ends: 11293 [2021-12-17 04:24:37,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:37,897 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 124 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:37,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 78 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:24:37,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11293 states. [2021-12-17 04:24:37,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11293 to 10554. [2021-12-17 04:24:37,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10554 states, 10553 states have (on average 1.0874632805837203) internal successors, (11476), 10553 states have internal predecessors, (11476), 0 states have call successors, (0), 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 04:24:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10554 states to 10554 states and 11476 transitions. [2021-12-17 04:24:37,998 INFO L78 Accepts]: Start accepts. Automaton has 10554 states and 11476 transitions. Word has length 517 [2021-12-17 04:24:37,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:37,999 INFO L470 AbstractCegarLoop]: Abstraction has 10554 states and 11476 transitions. [2021-12-17 04:24:37,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 122.25) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 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 04:24:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 10554 states and 11476 transitions. [2021-12-17 04:24:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2021-12-17 04:24:38,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:38,011 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:38,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-17 04:24:38,012 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:38,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:38,012 INFO L85 PathProgramCache]: Analyzing trace with hash -2095679678, now seen corresponding path program 1 times [2021-12-17 04:24:38,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:38,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351186579] [2021-12-17 04:24:38,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:38,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 615 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-12-17 04:24:38,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:38,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351186579] [2021-12-17 04:24:38,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351186579] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:38,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:38,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:38,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898641006] [2021-12-17 04:24:38,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:38,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:38,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:38,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:38,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:38,165 INFO L87 Difference]: Start difference. First operand 10554 states and 11476 transitions. Second operand has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:24:38,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:38,872 INFO L93 Difference]: Finished difference Result 24627 states and 26773 transitions. [2021-12-17 04:24:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:38,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 555 [2021-12-17 04:24:38,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:38,883 INFO L225 Difference]: With dead ends: 24627 [2021-12-17 04:24:38,884 INFO L226 Difference]: Without dead ends: 12781 [2021-12-17 04:24:38,890 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 04:24:38,891 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 41 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:38,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 349 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:24:38,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12781 states. [2021-12-17 04:24:38,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12781 to 12595. [2021-12-17 04:24:38,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12595 states, 12594 states have (on average 1.0797999047165316) internal successors, (13599), 12594 states have internal predecessors, (13599), 0 states have call successors, (0), 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 04:24:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12595 states to 12595 states and 13599 transitions. [2021-12-17 04:24:39,000 INFO L78 Accepts]: Start accepts. Automaton has 12595 states and 13599 transitions. Word has length 555 [2021-12-17 04:24:39,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:39,000 INFO L470 AbstractCegarLoop]: Abstraction has 12595 states and 13599 transitions. [2021-12-17 04:24:39,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:24:39,001 INFO L276 IsEmpty]: Start isEmpty. Operand 12595 states and 13599 transitions. [2021-12-17 04:24:39,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2021-12-17 04:24:39,008 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:39,009 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 04:24:39,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-17 04:24:39,009 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:39,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:39,009 INFO L85 PathProgramCache]: Analyzing trace with hash 348163194, now seen corresponding path program 1 times [2021-12-17 04:24:39,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:39,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145504650] [2021-12-17 04:24:39,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:39,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:39,201 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 29 proven. 394 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-12-17 04:24:39,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:39,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145504650] [2021-12-17 04:24:39,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145504650] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:24:39,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014526635] [2021-12-17 04:24:39,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:39,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:24:39,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:24:39,203 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 04:24:39,204 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 04:24:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:39,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-17 04:24:39,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:24:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 29 proven. 394 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-12-17 04:24:40,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:24:46,346 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 29 proven. 394 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-12-17 04:24:46,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014526635] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:24:46,347 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:24:46,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 11 [2021-12-17 04:24:46,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386700766] [2021-12-17 04:24:46,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:24:46,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-17 04:24:46,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:46,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-17 04:24:46,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-12-17 04:24:46,350 INFO L87 Difference]: Start difference. First operand 12595 states and 13599 transitions. Second operand has 12 states, 12 states have (on average 96.58333333333333) internal successors, (1159), 11 states have internal predecessors, (1159), 0 states have call successors, (0), 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 04:24:50,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:50,475 INFO L93 Difference]: Finished difference Result 50276 states and 54495 transitions. [2021-12-17 04:24:50,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-17 04:24:50,476 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 96.58333333333333) internal successors, (1159), 11 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 555 [2021-12-17 04:24:50,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:50,507 INFO L225 Difference]: With dead ends: 50276 [2021-12-17 04:24:50,507 INFO L226 Difference]: Without dead ends: 37867 [2021-12-17 04:24:50,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1119 GetRequests, 1102 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2021-12-17 04:24:50,520 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 2187 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 4254 mSolverCounterSat, 1032 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2187 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 5286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1032 IncrementalHoareTripleChecker+Valid, 4254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:50,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2187 Valid, 227 Invalid, 5286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1032 Valid, 4254 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-17 04:24:50,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37867 states. [2021-12-17 04:24:50,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37867 to 20152. [2021-12-17 04:24:50,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20152 states, 20151 states have (on average 1.083916430946355) internal successors, (21842), 20151 states have internal predecessors, (21842), 0 states have call successors, (0), 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 04:24:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20152 states to 20152 states and 21842 transitions. [2021-12-17 04:24:50,780 INFO L78 Accepts]: Start accepts. Automaton has 20152 states and 21842 transitions. Word has length 555 [2021-12-17 04:24:50,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:50,780 INFO L470 AbstractCegarLoop]: Abstraction has 20152 states and 21842 transitions. [2021-12-17 04:24:50,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 96.58333333333333) internal successors, (1159), 11 states have internal predecessors, (1159), 0 states have call successors, (0), 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 04:24:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 20152 states and 21842 transitions. [2021-12-17 04:24:50,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2021-12-17 04:24:50,796 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:50,796 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:50,813 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 04:24:50,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:24:50,997 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:50,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:50,998 INFO L85 PathProgramCache]: Analyzing trace with hash -352744277, now seen corresponding path program 1 times [2021-12-17 04:24:50,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:50,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800063934] [2021-12-17 04:24:50,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:50,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:51,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 1339 proven. 0 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2021-12-17 04:24:51,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:51,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800063934] [2021-12-17 04:24:51,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800063934] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:51,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:51,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:51,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848735938] [2021-12-17 04:24:51,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:51,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:51,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:51,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:51,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:51,210 INFO L87 Difference]: Start difference. First operand 20152 states and 21842 transitions. Second operand has 4 states, 4 states have (on average 110.0) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 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 04:24:52,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:52,016 INFO L93 Difference]: Finished difference Result 43804 states and 47514 transitions. [2021-12-17 04:24:52,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:52,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 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 796 [2021-12-17 04:24:52,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:52,036 INFO L225 Difference]: With dead ends: 43804 [2021-12-17 04:24:52,036 INFO L226 Difference]: Without dead ends: 24022 [2021-12-17 04:24:52,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:52,051 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 184 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:52,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 67 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:24:52,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24022 states. [2021-12-17 04:24:52,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24022 to 22916. [2021-12-17 04:24:52,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22916 states, 22915 states have (on average 1.085315295657866) internal successors, (24870), 22915 states have internal predecessors, (24870), 0 states have call successors, (0), 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 04:24:52,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22916 states to 22916 states and 24870 transitions. [2021-12-17 04:24:52,326 INFO L78 Accepts]: Start accepts. Automaton has 22916 states and 24870 transitions. Word has length 796 [2021-12-17 04:24:52,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:52,326 INFO L470 AbstractCegarLoop]: Abstraction has 22916 states and 24870 transitions. [2021-12-17 04:24:52,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 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 04:24:52,327 INFO L276 IsEmpty]: Start isEmpty. Operand 22916 states and 24870 transitions. [2021-12-17 04:24:52,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 838 [2021-12-17 04:24:52,349 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:52,349 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:52,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-17 04:24:52,350 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:52,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:52,350 INFO L85 PathProgramCache]: Analyzing trace with hash -260493916, now seen corresponding path program 1 times [2021-12-17 04:24:52,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:52,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795362410] [2021-12-17 04:24:52,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:52,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2169 backedges. 1029 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2021-12-17 04:24:52,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:52,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795362410] [2021-12-17 04:24:52,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795362410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:52,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:52,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:52,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398495892] [2021-12-17 04:24:52,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:52,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:52,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:52,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:52,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:52,512 INFO L87 Difference]: Start difference. First operand 22916 states and 24870 transitions. Second operand has 4 states, 4 states have (on average 95.0) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 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 04:24:53,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:53,367 INFO L93 Difference]: Finished difference Result 47865 states and 51935 transitions. [2021-12-17 04:24:53,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:53,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 95.0) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 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 837 [2021-12-17 04:24:53,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:53,393 INFO L225 Difference]: With dead ends: 47865 [2021-12-17 04:24:53,393 INFO L226 Difference]: Without dead ends: 24951 [2021-12-17 04:24:53,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:53,408 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 249 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:53,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 84 Invalid, 1134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:24:53,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24951 states. [2021-12-17 04:24:53,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24951 to 23102. [2021-12-17 04:24:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23102 states, 23101 states have (on average 1.0846283710661877) internal successors, (25056), 23101 states have internal predecessors, (25056), 0 states have call successors, (0), 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 04:24:53,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23102 states to 23102 states and 25056 transitions. [2021-12-17 04:24:53,605 INFO L78 Accepts]: Start accepts. Automaton has 23102 states and 25056 transitions. Word has length 837 [2021-12-17 04:24:53,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:53,605 INFO L470 AbstractCegarLoop]: Abstraction has 23102 states and 25056 transitions. [2021-12-17 04:24:53,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 95.0) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 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 04:24:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand 23102 states and 25056 transitions. [2021-12-17 04:24:53,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 858 [2021-12-17 04:24:53,624 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:53,625 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:53,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-17 04:24:53,625 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:53,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:53,626 INFO L85 PathProgramCache]: Analyzing trace with hash 694363988, now seen corresponding path program 1 times [2021-12-17 04:24:53,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:53,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214195277] [2021-12-17 04:24:53,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:53,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 1342 proven. 0 refuted. 0 times theorem prover too weak. 965 trivial. 0 not checked. [2021-12-17 04:24:53,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:53,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214195277] [2021-12-17 04:24:53,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214195277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:53,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:53,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:53,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680867603] [2021-12-17 04:24:53,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:53,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:53,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:53,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:53,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:53,877 INFO L87 Difference]: Start difference. First operand 23102 states and 25056 transitions. Second operand has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 04:24:54,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:54,550 INFO L93 Difference]: Finished difference Result 39552 states and 42862 transitions. [2021-12-17 04:24:54,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:54,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 857 [2021-12-17 04:24:54,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:54,551 INFO L225 Difference]: With dead ends: 39552 [2021-12-17 04:24:54,551 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 04:24:54,565 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 04:24:54,566 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 74 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:54,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 328 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:24:54,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 04:24:54,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 04:24:54,569 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 04:24:54,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 04:24:54,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 857 [2021-12-17 04:24:54,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:54,569 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 04:24:54,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 04:24:54,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 04:24:54,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 04:24:54,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 04:24:54,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-17 04:24:54,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 04:25:31,733 WARN L227 SmtUtils]: Spent 37.15s on a formula simplification. DAG size of input: 940 DAG size of output: 911 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-17 04:26:08,477 WARN L227 SmtUtils]: Spent 36.74s on a formula simplification. DAG size of input: 940 DAG size of output: 911 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-17 04:26:14,102 WARN L227 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 911 DAG size of output: 206 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-17 04:26:19,828 WARN L227 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 911 DAG size of output: 206 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-17 04:26:19,832 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-17 04:26:19,832 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,832 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-17 04:26:19,833 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,833 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,833 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,833 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,833 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,833 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,833 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-17 04:26:19,834 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-17 04:26:19,834 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-17 04:26:19,834 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,834 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,834 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,834 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,834 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,834 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,835 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,835 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,835 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,835 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,835 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-17 04:26:19,835 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-17 04:26:19,835 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-17 04:26:19,835 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,836 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-17 04:26:19,836 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-17 04:26:19,836 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,836 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,836 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,836 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,836 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,836 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,837 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-17 04:26:19,837 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-17 04:26:19,837 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-17 04:26:19,837 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,837 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,837 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,838 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse35 (div (* ~a23~0 (- 2)) 10)) (.cse7 (= ~a25~0 12)) (.cse10 (<= ~a25~0 10)) (.cse34 (<= ~a29~0 130)) (.cse5 (= ~a4~0 1))) (let ((.cse11 (<= 307 ~a23~0)) (.cse30 (and .cse10 .cse34 .cse5)) (.cse31 (and .cse7 .cse34 .cse5)) (.cse36 (div .cse35 5)) (.cse24 (< 138 ~a23~0)) (.cse12 (<= ~a29~0 599999)) (.cse15 (<= ~a29~0 384312)) (.cse16 (<= 0 (+ ~a23~0 599772))) (.cse21 (= ~a25~0 11)) (.cse37 (div ~a23~0 5))) (let ((.cse8 (<= (+ ~a29~0 275824) 0)) (.cse9 (<= 10 ~a25~0)) (.cse17 (or (< 0 (+ .cse37 301761)) (not (= 0 (mod ~a23~0 5))))) (.cse0 (<= ~a29~0 275)) (.cse3 (<= 130 ~a29~0)) (.cse18 (< 0 (+ .cse37 301762))) (.cse2 (= ~a25~0 13)) (.cse29 (<= ~a23~0 137)) (.cse28 (<= (+ ~a29~0 21) 0)) (.cse25 (or (and .cse24 .cse21 .cse5 .cse12) (and .cse15 .cse16 .cse21 .cse5))) (.cse20 (<= 300138 ~a29~0)) (.cse6 (= 0 ~a4~0)) (.cse23 (<= ~a29~0 140)) (.cse22 (<= 0 (+ ~a23~0 379604))) (.cse26 (<= 277 ~a29~0)) (.cse13 (<= (+ ~a23~0 43) 0)) (.cse1 (<= 0 (+ (div (+ .cse36 (- 379592)) 5) 301761))) (.cse4 (or (not (= 0 (mod .cse35 5))) (<= 0 (+ (div (+ .cse36 (- 379593)) 5) 301761)) (not (= 0 (mod (* ~a23~0 8) 10))))) (.cse33 (or (and .cse21 .cse11 .cse34 .cse5) .cse30 .cse31)) (.cse14 (= ~a25~0 9)) (.cse27 (<= ~a23~0 312)) (.cse19 (<= 0 (+ (div (+ ~a23~0 (- 600085)) 5) 301761)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse7 .cse4 .cse8) (and .cse9 .cse1 .cse10 .cse11 .cse4 .cse5 .cse12) (and (or (and .cse0 .cse2 .cse13 .cse5) (and .cse14 .cse8 .cse13) (and .cse10 .cse13 .cse5)) .cse15) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse16 .cse4) (and .cse6 .cse17 .cse0 .cse2 .cse3 .cse18 .cse13) (and .cse14 .cse19 .cse20 .cse5 .cse12) (and .cse6 .cse0 .cse21 .cse13 .cse22) (and .cse6 .cse9 .cse23 .cse19 .cse10) (and .cse24 .cse25 .cse1 .cse3 .cse4) (and .cse9 .cse10 .cse13 .cse5) (and .cse6 .cse26 .cse27 .cse21 .cse12) (and .cse24 .cse27 (or (and .cse28 .cse7 .cse5) (and .cse0 .cse10 (<= (+ ~a29~0 122188) 0) .cse5))) (and .cse6 .cse29 .cse28 .cse2 .cse22) (and .cse14 .cse0 .cse1 .cse4 .cse5) (and .cse9 .cse0 .cse23 .cse1 .cse10 .cse4 .cse5) (and .cse24 .cse9 .cse0 .cse27 .cse10 .cse5) (and .cse14 .cse0 .cse23 .cse5) (and (or .cse30 .cse31) .cse13) (and .cse15 .cse1 .cse3 .cse7 .cse4 .cse11 .cse5) (and (let ((.cse32 (<= 381712 ~a29~0))) (or (and .cse9 .cse32 .cse10 .cse5) (and .cse32 .cse21 .cse19 .cse5))) (<= ~a29~0 571720)) (and .cse6 .cse14 .cse17 .cse15 .cse26 .cse18 .cse13) (and (= ~a23~0 312) .cse3 .cse16 .cse33) (and .cse0 .cse1 .cse3 .cse21 .cse4 .cse5) (and .cse29 .cse16 .cse33) (and .cse9 .cse10 .cse11 .cse20 .cse5 .cse12) (and (<= ~a29~0 220) .cse3 .cse7 .cse13) (and .cse24 .cse25 .cse27) (and .cse29 .cse25 .cse3) (and .cse6 .cse17 .cse0 .cse27 .cse7 .cse3 .cse18) (and .cse24 .cse15 .cse1 .cse2 .cse4 .cse5) (and .cse6 .cse23 .cse27 .cse21) (and .cse6 .cse29 .cse28 .cse7) (and .cse25 .cse20) (and .cse6 .cse14 .cse23 .cse27 .cse22) (and .cse14 .cse26 .cse1 .cse19 .cse4 .cse5 .cse12) (and (<= (+ ~a29~0 275802) 0) .cse21 .cse13) (and .cse1 (< 225978 ~a23~0) .cse16 .cse4 .cse33) (and .cse14 .cse27 .cse19 .cse5 .cse12))))) [2021-12-17 04:26:19,838 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,838 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-17 04:26:19,838 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-17 04:26:19,838 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,839 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,839 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,839 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,839 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,839 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,839 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-17 04:26:19,839 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-17 04:26:19,839 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-17 04:26:19,840 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-17 04:26:19,840 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,840 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,840 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,840 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,840 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,840 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,840 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,841 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-17 04:26:19,841 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-17 04:26:19,841 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-17 04:26:19,841 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,841 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,841 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,841 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,842 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,842 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,842 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,842 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,842 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,842 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-17 04:26:19,842 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-17 04:26:19,842 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-17 04:26:19,843 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,843 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse35 (div (* ~a23~0 (- 2)) 10)) (.cse7 (= ~a25~0 12)) (.cse10 (<= ~a25~0 10)) (.cse34 (<= ~a29~0 130)) (.cse5 (= ~a4~0 1))) (let ((.cse11 (<= 307 ~a23~0)) (.cse30 (and .cse10 .cse34 .cse5)) (.cse31 (and .cse7 .cse34 .cse5)) (.cse36 (div .cse35 5)) (.cse24 (< 138 ~a23~0)) (.cse12 (<= ~a29~0 599999)) (.cse15 (<= ~a29~0 384312)) (.cse16 (<= 0 (+ ~a23~0 599772))) (.cse21 (= ~a25~0 11)) (.cse37 (div ~a23~0 5))) (let ((.cse8 (<= (+ ~a29~0 275824) 0)) (.cse9 (<= 10 ~a25~0)) (.cse17 (or (< 0 (+ .cse37 301761)) (not (= 0 (mod ~a23~0 5))))) (.cse0 (<= ~a29~0 275)) (.cse3 (<= 130 ~a29~0)) (.cse18 (< 0 (+ .cse37 301762))) (.cse2 (= ~a25~0 13)) (.cse29 (<= ~a23~0 137)) (.cse28 (<= (+ ~a29~0 21) 0)) (.cse25 (or (and .cse24 .cse21 .cse5 .cse12) (and .cse15 .cse16 .cse21 .cse5))) (.cse20 (<= 300138 ~a29~0)) (.cse6 (= 0 ~a4~0)) (.cse23 (<= ~a29~0 140)) (.cse22 (<= 0 (+ ~a23~0 379604))) (.cse26 (<= 277 ~a29~0)) (.cse13 (<= (+ ~a23~0 43) 0)) (.cse1 (<= 0 (+ (div (+ .cse36 (- 379592)) 5) 301761))) (.cse4 (or (not (= 0 (mod .cse35 5))) (<= 0 (+ (div (+ .cse36 (- 379593)) 5) 301761)) (not (= 0 (mod (* ~a23~0 8) 10))))) (.cse33 (or (and .cse21 .cse11 .cse34 .cse5) .cse30 .cse31)) (.cse14 (= ~a25~0 9)) (.cse27 (<= ~a23~0 312)) (.cse19 (<= 0 (+ (div (+ ~a23~0 (- 600085)) 5) 301761)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse7 .cse4 .cse8) (and .cse9 .cse1 .cse10 .cse11 .cse4 .cse5 .cse12) (and (or (and .cse0 .cse2 .cse13 .cse5) (and .cse14 .cse8 .cse13) (and .cse10 .cse13 .cse5)) .cse15) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse16 .cse4) (and .cse6 .cse17 .cse0 .cse2 .cse3 .cse18 .cse13) (and .cse14 .cse19 .cse20 .cse5 .cse12) (and .cse6 .cse0 .cse21 .cse13 .cse22) (and .cse6 .cse9 .cse23 .cse19 .cse10) (and .cse24 .cse25 .cse1 .cse3 .cse4) (and .cse9 .cse10 .cse13 .cse5) (and .cse6 .cse26 .cse27 .cse21 .cse12) (and .cse24 .cse27 (or (and .cse28 .cse7 .cse5) (and .cse0 .cse10 (<= (+ ~a29~0 122188) 0) .cse5))) (and .cse6 .cse29 .cse28 .cse2 .cse22) (and .cse14 .cse0 .cse1 .cse4 .cse5) (and .cse9 .cse0 .cse23 .cse1 .cse10 .cse4 .cse5) (and .cse24 .cse9 .cse0 .cse27 .cse10 .cse5) (and .cse14 .cse0 .cse23 .cse5) (and (or .cse30 .cse31) .cse13) (and .cse15 .cse1 .cse3 .cse7 .cse4 .cse11 .cse5) (and (let ((.cse32 (<= 381712 ~a29~0))) (or (and .cse9 .cse32 .cse10 .cse5) (and .cse32 .cse21 .cse19 .cse5))) (<= ~a29~0 571720)) (and .cse6 .cse14 .cse17 .cse15 .cse26 .cse18 .cse13) (and (= ~a23~0 312) .cse3 .cse16 .cse33) (and .cse0 .cse1 .cse3 .cse21 .cse4 .cse5) (and .cse29 .cse16 .cse33) (and .cse9 .cse10 .cse11 .cse20 .cse5 .cse12) (and (<= ~a29~0 220) .cse3 .cse7 .cse13) (and .cse24 .cse25 .cse27) (and .cse29 .cse25 .cse3) (and .cse6 .cse17 .cse0 .cse27 .cse7 .cse3 .cse18) (and .cse24 .cse15 .cse1 .cse2 .cse4 .cse5) (and .cse6 .cse23 .cse27 .cse21) (and .cse6 .cse29 .cse28 .cse7) (and .cse25 .cse20) (and .cse6 .cse14 .cse23 .cse27 .cse22) (and .cse14 .cse26 .cse1 .cse19 .cse4 .cse5 .cse12) (and (<= (+ ~a29~0 275802) 0) .cse21 .cse13) (and .cse1 (< 225978 ~a23~0) .cse16 .cse4 .cse33) (and .cse14 .cse27 .cse19 .cse5 .cse12))))) [2021-12-17 04:26:19,843 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,843 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,843 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,843 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,844 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,844 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,844 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,844 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,844 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-17 04:26:19,844 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-17 04:26:19,844 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-17 04:26:19,844 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-17 04:26:19,845 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-17 04:26:19,845 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-17 04:26:19,845 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-17 04:26:19,845 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,845 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,845 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,845 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,845 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,846 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,846 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,846 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,846 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,846 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,846 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 04:26:19,846 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-17 04:26:19,846 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-17 04:26:19,847 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-17 04:26:19,847 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-17 04:26:19,847 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,847 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,847 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,847 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,847 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,847 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-17 04:26:19,848 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-17 04:26:19,848 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-17 04:26:19,848 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,848 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,848 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,848 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,848 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-17 04:26:19,849 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-17 04:26:19,849 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,849 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,849 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,849 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,849 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,849 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,850 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-17 04:26:19,850 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-17 04:26:19,850 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,850 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,850 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-17 04:26:19,850 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-17 04:26:19,850 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-17 04:26:19,850 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 04:26:19,851 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2021-12-17 04:26:19,851 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,851 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,851 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,851 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,851 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,851 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,852 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,852 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-17 04:26:19,852 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-17 04:26:19,852 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-17 04:26:19,852 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-17 04:26:19,852 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-17 04:26:19,852 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-17 04:26:19,852 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-17 04:26:19,852 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,853 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,853 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-17 04:26:19,853 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-17 04:26:19,853 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,853 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,853 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,853 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,854 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,854 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-17 04:26:19,854 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-17 04:26:19,854 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-17 04:26:19,854 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,854 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,854 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,854 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,855 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,855 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,855 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-17 04:26:19,855 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-17 04:26:19,855 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-17 04:26:19,855 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,855 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,855 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,856 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,856 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,856 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,856 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,856 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,856 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-17 04:26:19,856 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-17 04:26:19,856 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-17 04:26:19,857 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,857 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,857 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,857 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,857 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,857 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,857 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,857 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,858 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,858 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,858 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,858 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-17 04:26:19,858 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-17 04:26:19,858 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-17 04:26:19,858 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-17 04:26:19,858 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-17 04:26:19,859 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,859 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,859 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,859 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,859 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,859 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,859 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,859 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-17 04:26:19,860 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-17 04:26:19,860 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-17 04:26:19,860 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,860 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,860 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,860 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-17 04:26:19,860 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-17 04:26:19,860 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,861 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,861 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,861 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,861 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,861 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-17 04:26:19,861 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-17 04:26:19,861 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,861 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,862 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-17 04:26:19,862 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-17 04:26:19,862 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,862 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 04:26:19,862 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,862 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,862 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,862 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-17 04:26:19,863 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-17 04:26:19,864 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-17 04:26:19,864 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-17 04:26:19,864 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-17 04:26:19,864 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-17 04:26:19,864 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,864 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,864 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,865 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,865 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,865 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,865 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,865 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-17 04:26:19,865 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-17 04:26:19,865 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 04:26:19,865 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,866 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,866 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,866 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,866 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,866 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,866 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-17 04:26:19,866 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-17 04:26:19,866 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,867 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,867 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,867 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,867 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,867 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,867 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,867 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-17 04:26:19,867 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:19,867 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,867 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,867 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-17 04:26:19,868 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-17 04:26:19,868 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-17 04:26:19,868 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-17 04:26:19,870 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:26:19,871 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 04:26:19,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 04:26:19 BoogieIcfgContainer [2021-12-17 04:26:19,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 04:26:19,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 04:26:19,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 04:26:19,913 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 04:26:19,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:24:06" (3/4) ... [2021-12-17 04:26:19,916 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 04:26:19,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 04:26:19,946 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 04:26:19,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 04:26:19,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 04:26:20,070 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 04:26:20,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 04:26:20,071 INFO L158 Benchmark]: Toolchain (without parser) took 136064.40ms. Allocated memory was 98.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 64.9MB in the beginning and 809.3MB in the end (delta: -744.4MB). Peak memory consumption was 448.0MB. Max. memory is 16.1GB. [2021-12-17 04:26:20,071 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 81.8MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 04:26:20,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 692.14ms. Allocated memory is still 98.6MB. Free memory was 64.5MB in the beginning and 41.3MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-17 04:26:20,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.99ms. Allocated memory is still 98.6MB. Free memory was 41.3MB in the beginning and 59.3MB in the end (delta: -18.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-12-17 04:26:20,073 INFO L158 Benchmark]: Boogie Preprocessor took 80.59ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 50.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 04:26:20,074 INFO L158 Benchmark]: RCFGBuilder took 1446.25ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 50.2MB in the beginning and 95.3MB in the end (delta: -45.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2021-12-17 04:26:20,075 INFO L158 Benchmark]: TraceAbstraction took 133516.50ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 95.3MB in the beginning and 835.8MB in the end (delta: -740.6MB). Peak memory consumption was 872.4MB. Max. memory is 16.1GB. [2021-12-17 04:26:20,075 INFO L158 Benchmark]: Witness Printer took 157.74ms. Allocated memory is still 1.3GB. Free memory was 835.8MB in the beginning and 809.3MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-17 04:26:20,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 81.8MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 692.14ms. Allocated memory is still 98.6MB. Free memory was 64.5MB in the beginning and 41.3MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.99ms. Allocated memory is still 98.6MB. Free memory was 41.3MB in the beginning and 59.3MB in the end (delta: -18.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.59ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 50.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1446.25ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 50.2MB in the beginning and 95.3MB in the end (delta: -45.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * TraceAbstraction took 133516.50ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 95.3MB in the beginning and 835.8MB in the end (delta: -740.6MB). Peak memory consumption was 872.4MB. Max. memory is 16.1GB. * Witness Printer took 157.74ms. Allocated memory is still 1.3GB. Free memory was 835.8MB in the beginning and 809.3MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 109]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 133.4s, OverallIterations: 26, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 28.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 85.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8249 SdHoareTripleChecker+Valid, 25.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8249 mSDsluCounter, 5599 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1004 mSDsCounter, 4297 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26099 IncrementalHoareTripleChecker+Invalid, 30396 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4297 mSolverCounterUnsat, 4595 mSDtfsCounter, 26099 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2282 GetRequests, 2218 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23102occurred in iteration=25, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 26 MinimizatonAttempts, 69877 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 229 NumberOfFragments, 3069 HoareAnnotationTreeSize, 3 FomulaSimplifications, 302794 FormulaSimplificationTreeSizeReduction, 73.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1159306 FormulaSimplificationTreeSizeReductionInter, 11.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 10825 NumberOfCodeBlocks, 10825 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 11678 ConstructedInterpolants, 0 QuantifiedInterpolants, 52554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1736 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 31 InterpolantComputations, 24 PerfectInterpolantSequences, 13141/14761 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((a29 <= 275 && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 == 13) && 130 <= a29) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1) || ((((0 == a4 && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 == 12) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a29 + 275824 <= 0)) || ((((((10 <= a25 && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 <= 10) && 307 <= a23) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1) && a29 <= 599999)) || ((((((a29 <= 275 && a25 == 13) && a23 + 43 <= 0) && a4 == 1) || ((a25 == 9 && a29 + 275824 <= 0) && a23 + 43 <= 0)) || ((a25 <= 10 && a23 + 43 <= 0) && a4 == 1)) && a29 <= 384312)) || ((((((0 == a4 && a29 <= 275) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 == 12) && 130 <= a29) && 0 <= a23 + 599772) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10)))) || ((((((0 == a4 && (0 < a23 / 5 + 301761 || !(0 == a23 % 5))) && a29 <= 275) && a25 == 13) && 130 <= a29) && 0 < a23 / 5 + 301762) && a23 + 43 <= 0)) || ((((a25 == 9 && 0 <= (a23 + -600085) / 5 + 301761) && 300138 <= a29) && a4 == 1) && a29 <= 599999)) || ((((0 == a4 && a29 <= 275) && a25 == 11) && a23 + 43 <= 0) && 0 <= a23 + 379604)) || ((((0 == a4 && 10 <= a25) && a29 <= 140) && 0 <= (a23 + -600085) / 5 + 301761) && a25 <= 10)) || ((((138 < a23 && ((((138 < a23 && a25 == 11) && a4 == 1) && a29 <= 599999) || (((a29 <= 384312 && 0 <= a23 + 599772) && a25 == 11) && a4 == 1))) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && 130 <= a29) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10)))) || (((10 <= a25 && a25 <= 10) && a23 + 43 <= 0) && a4 == 1)) || ((((0 == a4 && 277 <= a29) && a23 <= 312) && a25 == 11) && a29 <= 599999)) || ((138 < a23 && a23 <= 312) && (((a29 + 21 <= 0 && a25 == 12) && a4 == 1) || (((a29 <= 275 && a25 <= 10) && a29 + 122188 <= 0) && a4 == 1)))) || ((((0 == a4 && a23 <= 137) && a29 + 21 <= 0) && a25 == 13) && 0 <= a23 + 379604)) || ((((a25 == 9 && a29 <= 275) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1)) || ((((((10 <= a25 && a29 <= 275) && a29 <= 140) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 <= 10) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1)) || (((((138 < a23 && 10 <= a25) && a29 <= 275) && a23 <= 312) && a25 <= 10) && a4 == 1)) || (((a25 == 9 && a29 <= 275) && a29 <= 140) && a4 == 1)) || ((((a25 <= 10 && a29 <= 130) && a4 == 1) || ((a25 == 12 && a29 <= 130) && a4 == 1)) && a23 + 43 <= 0)) || ((((((a29 <= 384312 && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && 130 <= a29) && a25 == 12) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && 307 <= a23) && a4 == 1)) || (((((10 <= a25 && 381712 <= a29) && a25 <= 10) && a4 == 1) || (((381712 <= a29 && a25 == 11) && 0 <= (a23 + -600085) / 5 + 301761) && a4 == 1)) && a29 <= 571720)) || ((((((0 == a4 && a25 == 9) && (0 < a23 / 5 + 301761 || !(0 == a23 % 5))) && a29 <= 384312) && 277 <= a29) && 0 < a23 / 5 + 301762) && a23 + 43 <= 0)) || (((a23 == 312 && 130 <= a29) && 0 <= a23 + 599772) && (((((a25 == 11 && 307 <= a23) && a29 <= 130) && a4 == 1) || ((a25 <= 10 && a29 <= 130) && a4 == 1)) || ((a25 == 12 && a29 <= 130) && a4 == 1)))) || (((((a29 <= 275 && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && 130 <= a29) && a25 == 11) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1)) || ((a23 <= 137 && 0 <= a23 + 599772) && (((((a25 == 11 && 307 <= a23) && a29 <= 130) && a4 == 1) || ((a25 <= 10 && a29 <= 130) && a4 == 1)) || ((a25 == 12 && a29 <= 130) && a4 == 1)))) || (((((10 <= a25 && a25 <= 10) && 307 <= a23) && 300138 <= a29) && a4 == 1) && a29 <= 599999)) || (((a29 <= 220 && 130 <= a29) && a25 == 12) && a23 + 43 <= 0)) || ((138 < a23 && ((((138 < a23 && a25 == 11) && a4 == 1) && a29 <= 599999) || (((a29 <= 384312 && 0 <= a23 + 599772) && a25 == 11) && a4 == 1))) && a23 <= 312)) || ((a23 <= 137 && ((((138 < a23 && a25 == 11) && a4 == 1) && a29 <= 599999) || (((a29 <= 384312 && 0 <= a23 + 599772) && a25 == 11) && a4 == 1))) && 130 <= a29)) || ((((((0 == a4 && (0 < a23 / 5 + 301761 || !(0 == a23 % 5))) && a29 <= 275) && a23 <= 312) && a25 == 12) && 130 <= a29) && 0 < a23 / 5 + 301762)) || (((((138 < a23 && a29 <= 384312) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 == 13) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1)) || (((0 == a4 && a29 <= 140) && a23 <= 312) && a25 == 11)) || (((0 == a4 && a23 <= 137) && a29 + 21 <= 0) && a25 == 12)) || (((((138 < a23 && a25 == 11) && a4 == 1) && a29 <= 599999) || (((a29 <= 384312 && 0 <= a23 + 599772) && a25 == 11) && a4 == 1)) && 300138 <= a29)) || ((((0 == a4 && a25 == 9) && a29 <= 140) && a23 <= 312) && 0 <= a23 + 379604)) || ((((((a25 == 9 && 277 <= a29) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && 0 <= (a23 + -600085) / 5 + 301761) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1) && a29 <= 599999)) || ((a29 + 275802 <= 0 && a25 == 11) && a23 + 43 <= 0)) || ((((0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761 && 225978 < a23) && 0 <= a23 + 599772) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && (((((a25 == 11 && 307 <= a23) && a29 <= 130) && a4 == 1) || ((a25 <= 10 && a29 <= 130) && a4 == 1)) || ((a25 == 12 && a29 <= 130) && a4 == 1)))) || ((((a25 == 9 && a23 <= 312) && 0 <= (a23 + -600085) / 5 + 301761) && a4 == 1) && a29 <= 599999) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((a29 <= 275 && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 == 13) && 130 <= a29) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1) || ((((0 == a4 && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 == 12) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a29 + 275824 <= 0)) || ((((((10 <= a25 && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 <= 10) && 307 <= a23) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1) && a29 <= 599999)) || ((((((a29 <= 275 && a25 == 13) && a23 + 43 <= 0) && a4 == 1) || ((a25 == 9 && a29 + 275824 <= 0) && a23 + 43 <= 0)) || ((a25 <= 10 && a23 + 43 <= 0) && a4 == 1)) && a29 <= 384312)) || ((((((0 == a4 && a29 <= 275) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 == 12) && 130 <= a29) && 0 <= a23 + 599772) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10)))) || ((((((0 == a4 && (0 < a23 / 5 + 301761 || !(0 == a23 % 5))) && a29 <= 275) && a25 == 13) && 130 <= a29) && 0 < a23 / 5 + 301762) && a23 + 43 <= 0)) || ((((a25 == 9 && 0 <= (a23 + -600085) / 5 + 301761) && 300138 <= a29) && a4 == 1) && a29 <= 599999)) || ((((0 == a4 && a29 <= 275) && a25 == 11) && a23 + 43 <= 0) && 0 <= a23 + 379604)) || ((((0 == a4 && 10 <= a25) && a29 <= 140) && 0 <= (a23 + -600085) / 5 + 301761) && a25 <= 10)) || ((((138 < a23 && ((((138 < a23 && a25 == 11) && a4 == 1) && a29 <= 599999) || (((a29 <= 384312 && 0 <= a23 + 599772) && a25 == 11) && a4 == 1))) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && 130 <= a29) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10)))) || (((10 <= a25 && a25 <= 10) && a23 + 43 <= 0) && a4 == 1)) || ((((0 == a4 && 277 <= a29) && a23 <= 312) && a25 == 11) && a29 <= 599999)) || ((138 < a23 && a23 <= 312) && (((a29 + 21 <= 0 && a25 == 12) && a4 == 1) || (((a29 <= 275 && a25 <= 10) && a29 + 122188 <= 0) && a4 == 1)))) || ((((0 == a4 && a23 <= 137) && a29 + 21 <= 0) && a25 == 13) && 0 <= a23 + 379604)) || ((((a25 == 9 && a29 <= 275) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1)) || ((((((10 <= a25 && a29 <= 275) && a29 <= 140) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 <= 10) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1)) || (((((138 < a23 && 10 <= a25) && a29 <= 275) && a23 <= 312) && a25 <= 10) && a4 == 1)) || (((a25 == 9 && a29 <= 275) && a29 <= 140) && a4 == 1)) || ((((a25 <= 10 && a29 <= 130) && a4 == 1) || ((a25 == 12 && a29 <= 130) && a4 == 1)) && a23 + 43 <= 0)) || ((((((a29 <= 384312 && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && 130 <= a29) && a25 == 12) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && 307 <= a23) && a4 == 1)) || (((((10 <= a25 && 381712 <= a29) && a25 <= 10) && a4 == 1) || (((381712 <= a29 && a25 == 11) && 0 <= (a23 + -600085) / 5 + 301761) && a4 == 1)) && a29 <= 571720)) || ((((((0 == a4 && a25 == 9) && (0 < a23 / 5 + 301761 || !(0 == a23 % 5))) && a29 <= 384312) && 277 <= a29) && 0 < a23 / 5 + 301762) && a23 + 43 <= 0)) || (((a23 == 312 && 130 <= a29) && 0 <= a23 + 599772) && (((((a25 == 11 && 307 <= a23) && a29 <= 130) && a4 == 1) || ((a25 <= 10 && a29 <= 130) && a4 == 1)) || ((a25 == 12 && a29 <= 130) && a4 == 1)))) || (((((a29 <= 275 && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && 130 <= a29) && a25 == 11) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1)) || ((a23 <= 137 && 0 <= a23 + 599772) && (((((a25 == 11 && 307 <= a23) && a29 <= 130) && a4 == 1) || ((a25 <= 10 && a29 <= 130) && a4 == 1)) || ((a25 == 12 && a29 <= 130) && a4 == 1)))) || (((((10 <= a25 && a25 <= 10) && 307 <= a23) && 300138 <= a29) && a4 == 1) && a29 <= 599999)) || (((a29 <= 220 && 130 <= a29) && a25 == 12) && a23 + 43 <= 0)) || ((138 < a23 && ((((138 < a23 && a25 == 11) && a4 == 1) && a29 <= 599999) || (((a29 <= 384312 && 0 <= a23 + 599772) && a25 == 11) && a4 == 1))) && a23 <= 312)) || ((a23 <= 137 && ((((138 < a23 && a25 == 11) && a4 == 1) && a29 <= 599999) || (((a29 <= 384312 && 0 <= a23 + 599772) && a25 == 11) && a4 == 1))) && 130 <= a29)) || ((((((0 == a4 && (0 < a23 / 5 + 301761 || !(0 == a23 % 5))) && a29 <= 275) && a23 <= 312) && a25 == 12) && 130 <= a29) && 0 < a23 / 5 + 301762)) || (((((138 < a23 && a29 <= 384312) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && a25 == 13) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1)) || (((0 == a4 && a29 <= 140) && a23 <= 312) && a25 == 11)) || (((0 == a4 && a23 <= 137) && a29 + 21 <= 0) && a25 == 12)) || (((((138 < a23 && a25 == 11) && a4 == 1) && a29 <= 599999) || (((a29 <= 384312 && 0 <= a23 + 599772) && a25 == 11) && a4 == 1)) && 300138 <= a29)) || ((((0 == a4 && a25 == 9) && a29 <= 140) && a23 <= 312) && 0 <= a23 + 379604)) || ((((((a25 == 9 && 277 <= a29) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761) && 0 <= (a23 + -600085) / 5 + 301761) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && a4 == 1) && a29 <= 599999)) || ((a29 + 275802 <= 0 && a25 == 11) && a23 + 43 <= 0)) || ((((0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301761 && 225978 < a23) && 0 <= a23 + 599772) && ((!(0 == a23 * -2 / 10 % 5) || 0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301761) || !(0 == a23 * 8 % 10))) && (((((a25 == 11 && 307 <= a23) && a29 <= 130) && a4 == 1) || ((a25 <= 10 && a29 <= 130) && a4 == 1)) || ((a25 == 12 && a29 <= 130) && a4 == 1)))) || ((((a25 == 9 && a23 <= 312) && 0 <= (a23 + -600085) / 5 + 301761) && a4 == 1) && a29 <= 599999) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-17 04:26:20,119 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