./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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/Problem10_label21.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5ae1d248ac328ae194d38c847eaaf19b85e7124a7cd6c7e1aa145a759bc08e1 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 09:34:16,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 09:34:16,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 09:34:16,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 09:34:16,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 09:34:16,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 09:34:16,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 09:34:16,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 09:34:16,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 09:34:16,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 09:34:16,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 09:34:16,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 09:34:16,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 09:34:16,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 09:34:16,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 09:34:16,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 09:34:16,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 09:34:16,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 09:34:16,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 09:34:16,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 09:34:16,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 09:34:16,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 09:34:16,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 09:34:16,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 09:34:16,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 09:34:16,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 09:34:16,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 09:34:16,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 09:34:16,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 09:34:16,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 09:34:16,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 09:34:16,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 09:34:16,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 09:34:16,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 09:34:16,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 09:34:16,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 09:34:16,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 09:34:16,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 09:34:16,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 09:34:16,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 09:34:16,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 09:34:16,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 09:34:16,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 09:34:16,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 09:34:16,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 09:34:16,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 09:34:16,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 09:34:16,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 09:34:16,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 09:34:16,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 09:34:16,861 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 09:34:16,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 09:34:16,862 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 09:34:16,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 09:34:16,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 09:34:16,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 09:34:16,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 09:34:16,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 09:34:16,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 09:34:16,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 09:34:16,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 09:34:16,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 09:34:16,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 09:34:16,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 09:34:16,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 09:34:16,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 09:34:16,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:34:16,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 09:34:16,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 09:34:16,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 09:34:16,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 09:34:16,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 09:34:16,865 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 09:34:16,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 09:34:16,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 09:34:16,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 09:34:16,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5ae1d248ac328ae194d38c847eaaf19b85e7124a7cd6c7e1aa145a759bc08e1 [2021-12-15 09:34:17,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 09:34:17,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 09:34:17,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 09:34:17,053 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 09:34:17,054 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 09:34:17,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2021-12-15 09:34:17,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62cf5759e/e260f35d08f84ad4afe2ac47b3cd8ffa/FLAG7975755e6 [2021-12-15 09:34:17,503 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 09:34:17,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2021-12-15 09:34:17,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62cf5759e/e260f35d08f84ad4afe2ac47b3cd8ffa/FLAG7975755e6 [2021-12-15 09:34:17,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62cf5759e/e260f35d08f84ad4afe2ac47b3cd8ffa [2021-12-15 09:34:17,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 09:34:17,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 09:34:17,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 09:34:17,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 09:34:17,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 09:34:17,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:34:17" (1/1) ... [2021-12-15 09:34:17,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bc9992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:17, skipping insertion in model container [2021-12-15 09:34:17,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:34:17" (1/1) ... [2021-12-15 09:34:17,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 09:34:17,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 09:34:18,073 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/Problem10_label21.c[3267,3280] [2021-12-15 09:34:18,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:34:18,168 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 09:34:18,183 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/Problem10_label21.c[3267,3280] [2021-12-15 09:34:18,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:34:18,244 INFO L208 MainTranslator]: Completed translation [2021-12-15 09:34:18,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18 WrapperNode [2021-12-15 09:34:18,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 09:34:18,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 09:34:18,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 09:34:18,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 09:34:18,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18" (1/1) ... [2021-12-15 09:34:18,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18" (1/1) ... [2021-12-15 09:34:18,309 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-12-15 09:34:18,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 09:34:18,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 09:34:18,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 09:34:18,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 09:34:18,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18" (1/1) ... [2021-12-15 09:34:18,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18" (1/1) ... [2021-12-15 09:34:18,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18" (1/1) ... [2021-12-15 09:34:18,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18" (1/1) ... [2021-12-15 09:34:18,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18" (1/1) ... [2021-12-15 09:34:18,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18" (1/1) ... [2021-12-15 09:34:18,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18" (1/1) ... [2021-12-15 09:34:18,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 09:34:18,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 09:34:18,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 09:34:18,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 09:34:18,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18" (1/1) ... [2021-12-15 09:34:18,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:34:18,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:34:18,406 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) [2021-12-15 09:34:18,424 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 [2021-12-15 09:34:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 09:34:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 09:34:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 09:34:18,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 09:34:18,477 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 09:34:18,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 09:34:19,007 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 09:34:19,014 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 09:34:19,027 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 09:34:19,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:34:19 BoogieIcfgContainer [2021-12-15 09:34:19,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 09:34:19,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 09:34:19,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 09:34:19,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 09:34:19,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:34:17" (1/3) ... [2021-12-15 09:34:19,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae59d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:34:19, skipping insertion in model container [2021-12-15 09:34:19,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:18" (2/3) ... [2021-12-15 09:34:19,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae59d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:34:19, skipping insertion in model container [2021-12-15 09:34:19,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:34:19" (3/3) ... [2021-12-15 09:34:19,034 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label21.c [2021-12-15 09:34:19,038 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 09:34:19,038 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 09:34:19,084 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 09:34:19,090 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 [2021-12-15 09:34:19,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 09:34:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:19,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-15 09:34:19,109 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:19,109 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] [2021-12-15 09:34:19,109 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:19,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:19,113 INFO L85 PathProgramCache]: Analyzing trace with hash -438767135, now seen corresponding path program 1 times [2021-12-15 09:34:19,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:19,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989724802] [2021-12-15 09:34:19,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:19,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:19,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:19,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989724802] [2021-12-15 09:34:19,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989724802] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:19,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:19,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:34:19,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120208309] [2021-12-15 09:34:19,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:19,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:19,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:19,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:19,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:19,353 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 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 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:19,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:19,965 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2021-12-15 09:34:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:19,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2021-12-15 09:34:19,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:19,978 INFO L225 Difference]: With dead ends: 567 [2021-12-15 09:34:19,978 INFO L226 Difference]: Without dead ends: 282 [2021-12-15 09:34:19,984 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 [2021-12-15 09:34:19,987 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 151 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:19,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 66 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:34:20,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-12-15 09:34:20,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-12-15 09:34:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.4661921708185053) internal successors, (412), 281 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2021-12-15 09:34:20,026 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 27 [2021-12-15 09:34:20,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:20,027 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2021-12-15 09:34:20,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:20,027 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2021-12-15 09:34:20,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-15 09:34:20,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:20,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:20,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 09:34:20,030 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:20,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:20,031 INFO L85 PathProgramCache]: Analyzing trace with hash 627278334, now seen corresponding path program 1 times [2021-12-15 09:34:20,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:20,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126914776] [2021-12-15 09:34:20,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:20,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:20,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:20,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126914776] [2021-12-15 09:34:20,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126914776] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:20,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:20,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:34:20,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612595775] [2021-12-15 09:34:20,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:20,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:20,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:20,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:20,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:20,107 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:20,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:20,484 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2021-12-15 09:34:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:20,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2021-12-15 09:34:20,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:20,487 INFO L225 Difference]: With dead ends: 840 [2021-12-15 09:34:20,487 INFO L226 Difference]: Without dead ends: 560 [2021-12-15 09:34:20,488 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 [2021-12-15 09:34:20,489 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 76 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:20,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 66 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 09:34:20,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-12-15 09:34:20,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-12-15 09:34:20,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3076923076923077) internal successors, (731), 559 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 731 transitions. [2021-12-15 09:34:20,511 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 731 transitions. Word has length 97 [2021-12-15 09:34:20,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:20,511 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 731 transitions. [2021-12-15 09:34:20,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 731 transitions. [2021-12-15 09:34:20,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-15 09:34:20,514 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:20,514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:20,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 09:34:20,515 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:20,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:20,515 INFO L85 PathProgramCache]: Analyzing trace with hash 541830856, now seen corresponding path program 1 times [2021-12-15 09:34:20,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:20,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385761980] [2021-12-15 09:34:20,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:20,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:20,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:20,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385761980] [2021-12-15 09:34:20,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385761980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:20,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:20,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:34:20,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656241328] [2021-12-15 09:34:20,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:20,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:20,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:20,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:20,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:20,577 INFO L87 Difference]: Start difference. First operand 560 states and 731 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:20,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:20,980 INFO L93 Difference]: Finished difference Result 979 states and 1300 transitions. [2021-12-15 09:34:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:20,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-12-15 09:34:20,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:20,985 INFO L225 Difference]: With dead ends: 979 [2021-12-15 09:34:20,985 INFO L226 Difference]: Without dead ends: 977 [2021-12-15 09:34:20,986 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 [2021-12-15 09:34:20,990 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 157 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:20,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 11 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 09:34:20,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-12-15 09:34:21,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2021-12-15 09:34:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.3524355300859598) internal successors, (944), 698 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:21,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 944 transitions. [2021-12-15 09:34:21,024 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 944 transitions. Word has length 102 [2021-12-15 09:34:21,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:21,024 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 944 transitions. [2021-12-15 09:34:21,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:21,025 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 944 transitions. [2021-12-15 09:34:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-15 09:34:21,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:21,029 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:21,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 09:34:21,029 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:21,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:21,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1365971850, now seen corresponding path program 1 times [2021-12-15 09:34:21,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:21,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76879055] [2021-12-15 09:34:21,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:21,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:21,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:21,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76879055] [2021-12-15 09:34:21,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76879055] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:21,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:21,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:34:21,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923965595] [2021-12-15 09:34:21,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:21,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:34:21,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:21,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:34:21,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:34:21,155 INFO L87 Difference]: Start difference. First operand 699 states and 944 transitions. Second operand has 4 states, 4 states have (on average 36.25) 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) [2021-12-15 09:34:21,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:21,574 INFO L93 Difference]: Finished difference Result 1549 states and 2059 transitions. [2021-12-15 09:34:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 09:34:21,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) 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 145 [2021-12-15 09:34:21,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:21,579 INFO L225 Difference]: With dead ends: 1549 [2021-12-15 09:34:21,580 INFO L226 Difference]: Without dead ends: 852 [2021-12-15 09:34:21,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:34:21,581 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 90 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:21,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 92 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 09:34:21,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2021-12-15 09:34:21,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 838. [2021-12-15 09:34:21,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2998805256869772) internal successors, (1088), 837 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1088 transitions. [2021-12-15 09:34:21,600 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1088 transitions. Word has length 145 [2021-12-15 09:34:21,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:21,601 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1088 transitions. [2021-12-15 09:34:21,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) 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) [2021-12-15 09:34:21,601 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1088 transitions. [2021-12-15 09:34:21,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-15 09:34:21,605 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:21,605 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 09:34:21,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 09:34:21,605 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:21,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:21,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1307497031, now seen corresponding path program 1 times [2021-12-15 09:34:21,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:21,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431128833] [2021-12-15 09:34:21,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:21,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:21,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:21,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431128833] [2021-12-15 09:34:21,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431128833] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:21,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:21,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-15 09:34:21,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590916685] [2021-12-15 09:34:21,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:21,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-15 09:34:21,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:21,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-15 09:34:21,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:34:21,776 INFO L87 Difference]: Start difference. First operand 838 states and 1088 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:22,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:22,082 INFO L93 Difference]: Finished difference Result 1590 states and 2085 transitions. [2021-12-15 09:34:22,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 09:34:22,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2021-12-15 09:34:22,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:22,085 INFO L225 Difference]: With dead ends: 1590 [2021-12-15 09:34:22,085 INFO L226 Difference]: Without dead ends: 838 [2021-12-15 09:34:22,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:34:22,087 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 220 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:22,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 17 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:22,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-12-15 09:34:22,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-12-15 09:34:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2927120669056154) internal successors, (1082), 837 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1082 transitions. [2021-12-15 09:34:22,100 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1082 transitions. Word has length 180 [2021-12-15 09:34:22,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:22,101 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1082 transitions. [2021-12-15 09:34:22,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:22,103 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1082 transitions. [2021-12-15 09:34:22,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-15 09:34:22,105 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:22,105 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 09:34:22,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 09:34:22,107 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:22,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:22,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1328390285, now seen corresponding path program 1 times [2021-12-15 09:34:22,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:22,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490927615] [2021-12-15 09:34:22,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:22,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:22,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:22,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490927615] [2021-12-15 09:34:22,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490927615] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:22,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:22,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:34:22,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455680192] [2021-12-15 09:34:22,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:22,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:22,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:22,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:22,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:22,202 INFO L87 Difference]: Start difference. First operand 838 states and 1082 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:22,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:22,554 INFO L93 Difference]: Finished difference Result 1952 states and 2639 transitions. [2021-12-15 09:34:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:22,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 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 187 [2021-12-15 09:34:22,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:22,557 INFO L225 Difference]: With dead ends: 1952 [2021-12-15 09:34:22,558 INFO L226 Difference]: Without dead ends: 1255 [2021-12-15 09:34:22,558 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 [2021-12-15 09:34:22,559 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 50 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:22,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 214 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:22,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-12-15 09:34:22,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 838. [2021-12-15 09:34:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2819593787335724) internal successors, (1073), 837 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1073 transitions. [2021-12-15 09:34:22,571 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1073 transitions. Word has length 187 [2021-12-15 09:34:22,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:22,572 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1073 transitions. [2021-12-15 09:34:22,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:22,572 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1073 transitions. [2021-12-15 09:34:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-15 09:34:22,573 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:22,573 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:22,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 09:34:22,574 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:22,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:22,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1045562195, now seen corresponding path program 1 times [2021-12-15 09:34:22,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:22,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35550768] [2021-12-15 09:34:22,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:22,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:22,671 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:22,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:22,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35550768] [2021-12-15 09:34:22,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35550768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:22,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:22,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:34:22,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577181461] [2021-12-15 09:34:22,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:22,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:22,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:22,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:22,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:22,672 INFO L87 Difference]: Start difference. First operand 838 states and 1073 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:22,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:22,957 INFO L93 Difference]: Finished difference Result 1952 states and 2621 transitions. [2021-12-15 09:34:22,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:22,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 216 [2021-12-15 09:34:22,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:22,961 INFO L225 Difference]: With dead ends: 1952 [2021-12-15 09:34:22,961 INFO L226 Difference]: Without dead ends: 1255 [2021-12-15 09:34:22,963 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 [2021-12-15 09:34:22,965 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 75 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:22,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 190 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:22,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-12-15 09:34:22,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2021-12-15 09:34:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.2609865470852017) internal successors, (1406), 1115 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:22,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1406 transitions. [2021-12-15 09:34:22,982 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1406 transitions. Word has length 216 [2021-12-15 09:34:22,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:22,983 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1406 transitions. [2021-12-15 09:34:22,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1406 transitions. [2021-12-15 09:34:22,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-15 09:34:22,986 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:22,986 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:22,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 09:34:22,987 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:22,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:22,989 INFO L85 PathProgramCache]: Analyzing trace with hash 96831339, now seen corresponding path program 1 times [2021-12-15 09:34:22,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:22,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29547332] [2021-12-15 09:34:22,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:22,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-12-15 09:34:23,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:23,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29547332] [2021-12-15 09:34:23,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29547332] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:23,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:23,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:34:23,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687524755] [2021-12-15 09:34:23,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:23,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:23,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:23,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:23,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:23,118 INFO L87 Difference]: Start difference. First operand 1116 states and 1406 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) [2021-12-15 09:34:23,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:23,471 INFO L93 Difference]: Finished difference Result 2367 states and 3017 transitions. [2021-12-15 09:34:23,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:23,471 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 326 [2021-12-15 09:34:23,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:23,472 INFO L225 Difference]: With dead ends: 2367 [2021-12-15 09:34:23,472 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 09:34:23,474 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 [2021-12-15 09:34:23,474 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 115 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:23,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 222 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:23,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 09:34:23,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 09:34:23,475 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) [2021-12-15 09:34:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 09:34:23,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 326 [2021-12-15 09:34:23,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:23,475 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 09:34:23,475 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) [2021-12-15 09:34:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 09:34:23,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 09:34:23,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 09:34:23,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 09:34:23,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 09:34:23,669 INFO L858 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-12-15 09:34:23,669 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-12-15 09:34:23,669 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-12-15 09:34:23,670 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-12-15 09:34:23,671 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-12-15 09:34:23,672 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,673 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-12-15 09:34:23,674 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L854 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= ~a4~0 14)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (<= ~a1~0 23)) (and .cse0 .cse1 (<= 8 ~a19~0)) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 .cse1 (= ~a10~0 2)) (and .cse0 .cse1 (= ~a10~0 1)))) [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,675 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L861 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,676 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-12-15 09:34:23,677 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L854 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= ~a4~0 14)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (<= ~a1~0 23)) (and .cse0 .cse1 (<= 8 ~a19~0)) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 .cse1 (= ~a10~0 2)) (and .cse0 .cse1 (= ~a10~0 1)))) [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-12-15 09:34:23,678 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-12-15 09:34:23,679 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-12-15 09:34:23,680 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-12-15 09:34:23,680 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-15 09:34:23,680 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-15 09:34:23,680 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-15 09:34:23,680 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-15 09:34:23,680 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-15 09:34:23,680 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-15 09:34:23,682 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:23,686 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 09:34:23,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:34:23 BoogieIcfgContainer [2021-12-15 09:34:23,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 09:34:23,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 09:34:23,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 09:34:23,698 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 09:34:23,698 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:34:19" (3/4) ... [2021-12-15 09:34:23,700 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 09:34:23,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 09:34:23,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 09:34:23,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 09:34:23,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 09:34:23,767 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 09:34:23,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 09:34:23,768 INFO L158 Benchmark]: Toolchain (without parser) took 5890.94ms. Allocated memory was 90.2MB in the beginning and 195.0MB in the end (delta: 104.9MB). Free memory was 55.6MB in the beginning and 65.6MB in the end (delta: -10.0MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2021-12-15 09:34:23,768 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 09:34:23,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.40ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 55.4MB in the beginning and 77.7MB in the end (delta: -22.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 09:34:23,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.92ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 69.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 09:34:23,769 INFO L158 Benchmark]: Boogie Preprocessor took 69.90ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 65.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 09:34:23,769 INFO L158 Benchmark]: RCFGBuilder took 648.31ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 57.2MB in the end (delta: 7.3MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2021-12-15 09:34:23,770 INFO L158 Benchmark]: TraceAbstraction took 4667.52ms. Allocated memory was 117.4MB in the beginning and 195.0MB in the end (delta: 77.6MB). Free memory was 57.2MB in the beginning and 80.3MB in the end (delta: -23.1MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2021-12-15 09:34:23,770 INFO L158 Benchmark]: Witness Printer took 69.97ms. Allocated memory is still 195.0MB. Free memory was 80.3MB in the beginning and 65.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 09:34:23,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.40ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 55.4MB in the beginning and 77.7MB in the end (delta: -22.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.92ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 69.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.90ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 65.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 648.31ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 57.2MB in the end (delta: 7.3MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4667.52ms. Allocated memory was 117.4MB in the beginning and 195.0MB in the end (delta: 77.6MB). Free memory was 57.2MB in the beginning and 80.3MB in the end (delta: -23.1MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. * Witness Printer took 69.97ms. Allocated memory is still 195.0MB. Free memory was 80.3MB in the beginning and 65.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 95]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 934 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 934 mSDsluCounter, 878 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 578 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3234 IncrementalHoareTripleChecker+Invalid, 3812 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 578 mSolverCounterUnsat, 832 mSDtfsCounter, 3234 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=7, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 848 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 27 NumberOfFragments, 103 HoareAnnotationTreeSize, 3 FomulaSimplifications, 270 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 589 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1280 NumberOfCodeBlocks, 1280 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1272 ConstructedInterpolants, 0 QuantifiedInterpolants, 4713 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 764/764 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: 592]: Loop Invariant Derived loop invariant: (((((a4 == 14 && a12 == 0) && a1 <= 23) || ((a4 == 14 && a12 == 0) && 8 <= a19)) || ((a4 == 14 && a12 == 0) && a19 <= 6)) || ((a4 == 14 && a12 == 0) && a10 == 2)) || ((a4 == 14 && a12 == 0) && a10 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a4 == 14 && a12 == 0) && a1 <= 23) || ((a4 == 14 && a12 == 0) && 8 <= a19)) || ((a4 == 14 && a12 == 0) && a19 <= 6)) || ((a4 == 14 && a12 == 0) && a10 == 2)) || ((a4 == 14 && a12 == 0) && a10 == 1) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 09:34:23,789 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