./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.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 7f777bc0851fa1e32aaa7ec1f7505f1f2e0a2d51 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 10:55:56,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 10:55:56,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 10:55:56,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 10:55:56,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 10:55:56,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 10:55:56,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 10:55:56,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 10:55:56,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 10:55:56,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 10:55:56,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 10:55:56,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 10:55:56,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 10:55:56,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 10:55:56,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 10:55:56,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 10:55:56,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 10:55:56,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 10:55:56,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 10:55:56,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 10:55:56,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 10:55:56,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 10:55:56,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 10:55:56,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 10:55:56,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 10:55:56,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 10:55:56,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 10:55:56,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 10:55:56,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 10:55:56,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 10:55:56,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 10:55:56,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 10:55:56,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 10:55:56,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 10:55:56,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 10:55:56,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 10:55:56,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 10:55:56,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 10:55:56,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 10:55:56,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 10:55:56,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 10:55:56,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 10:55:56,984 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 10:55:56,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 10:55:56,985 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 10:55:56,985 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 10:55:56,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 10:55:56,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 10:55:56,986 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 10:55:56,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 10:55:56,986 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 10:55:56,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 10:55:56,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 10:55:56,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 10:55:56,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 10:55:56,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 10:55:56,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 10:55:56,988 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 10:55:56,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 10:55:56,988 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 10:55:56,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 10:55:56,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 10:55:56,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 10:55:56,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 10:55:56,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 10:55:56,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 10:55:56,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 10:55:56,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 10:55:56,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 10:55:56,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 10:55:56,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 10:55:56,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 10:55:56,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f777bc0851fa1e32aaa7ec1f7505f1f2e0a2d51 [2021-08-29 10:55:57,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 10:55:57,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 10:55:57,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 10:55:57,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 10:55:57,336 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 10:55:57,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2021-08-29 10:55:57,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2673835/53002149b73f4a108c7f4921e87f9fd8/FLAG13198428b [2021-08-29 10:55:57,917 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 10:55:57,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2021-08-29 10:55:57,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2673835/53002149b73f4a108c7f4921e87f9fd8/FLAG13198428b [2021-08-29 10:55:58,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2673835/53002149b73f4a108c7f4921e87f9fd8 [2021-08-29 10:55:58,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 10:55:58,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 10:55:58,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 10:55:58,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 10:55:58,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 10:55:58,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:58,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e389fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58, skipping insertion in model container [2021-08-29 10:55:58,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:58,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 10:55:58,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 10:55:58,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2021-08-29 10:55:58,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2021-08-29 10:55:58,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2021-08-29 10:55:58,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2021-08-29 10:55:58,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2021-08-29 10:55:58,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2021-08-29 10:55:58,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2021-08-29 10:55:58,399 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2021-08-29 10:55:58,409 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2021-08-29 10:55:58,410 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2021-08-29 10:55:58,411 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2021-08-29 10:55:58,412 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2021-08-29 10:55:58,414 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2021-08-29 10:55:58,415 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2021-08-29 10:55:58,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2021-08-29 10:55:58,636 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2021-08-29 10:55:58,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 10:55:58,657 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 10:55:58,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2021-08-29 10:55:58,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2021-08-29 10:55:58,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2021-08-29 10:55:58,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2021-08-29 10:55:58,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2021-08-29 10:55:58,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2021-08-29 10:55:58,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2021-08-29 10:55:58,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2021-08-29 10:55:58,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2021-08-29 10:55:58,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2021-08-29 10:55:58,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2021-08-29 10:55:58,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2021-08-29 10:55:58,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2021-08-29 10:55:58,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2021-08-29 10:55:58,819 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2021-08-29 10:55:58,822 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2021-08-29 10:55:58,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 10:55:58,849 INFO L208 MainTranslator]: Completed translation [2021-08-29 10:55:58,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58 WrapperNode [2021-08-29 10:55:58,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 10:55:58,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 10:55:58,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 10:55:58,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 10:55:58,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:58,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:58,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 10:55:58,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 10:55:58,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 10:55:58,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 10:55:58,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:58,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:58,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:58,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:58,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:59,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:59,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:59,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 10:55:59,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 10:55:59,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 10:55:59,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 10:55:59,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58" (1/1) ... [2021-08-29 10:55:59,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 10:55:59,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 10:55:59,070 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) [2021-08-29 10:55:59,093 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 [2021-08-29 10:55:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 10:55:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 10:55:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 10:55:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 10:55:59,730 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 10:55:59,730 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-29 10:55:59,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:55:59 BoogieIcfgContainer [2021-08-29 10:55:59,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 10:55:59,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 10:55:59,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 10:55:59,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 10:55:59,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 10:55:58" (1/3) ... [2021-08-29 10:55:59,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83e697d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:55:59, skipping insertion in model container [2021-08-29 10:55:59,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:58" (2/3) ... [2021-08-29 10:55:59,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83e697d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:55:59, skipping insertion in model container [2021-08-29 10:55:59,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:55:59" (3/3) ... [2021-08-29 10:55:59,739 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2021-08-29 10:55:59,743 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 10:55:59,745 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-08-29 10:55:59,795 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 10:55:59,804 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-29 10:55:59,805 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-08-29 10:55:59,829 INFO L276 IsEmpty]: Start isEmpty. Operand has 304 states, 287 states have (on average 1.9686411149825784) internal successors, (565), 303 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:55:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-08-29 10:55:59,833 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:55:59,834 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:55:59,835 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:55:59,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:55:59,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1804934597, now seen corresponding path program 1 times [2021-08-29 10:55:59,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:55:59,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065694683] [2021-08-29 10:55:59,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:55:59,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:55:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:00,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:00,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065694683] [2021-08-29 10:56:00,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065694683] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:00,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:00,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 10:56:00,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964471384] [2021-08-29 10:56:00,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 10:56:00,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:00,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 10:56:00,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 10:56:00,145 INFO L87 Difference]: Start difference. First operand has 304 states, 287 states have (on average 1.9686411149825784) internal successors, (565), 303 states have internal predecessors, (565), 0 states have call successors, (0), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:01,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:01,029 INFO L93 Difference]: Finished difference Result 315 states and 573 transitions. [2021-08-29 10:56:01,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 10:56:01,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2021-08-29 10:56:01,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:01,040 INFO L225 Difference]: With dead ends: 315 [2021-08-29 10:56:01,040 INFO L226 Difference]: Without dead ends: 298 [2021-08-29 10:56:01,042 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.68ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:56:01,044 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 487 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 602.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.90ms SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 790.07ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:01,045 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [487 Valid, 0 Invalid, 1166 Unknown, 0 Unchecked, 13.90ms Time], IncrementalHoareTripleChecker [63 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 790.07ms Time] [2021-08-29 10:56:01,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-08-29 10:56:01,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2021-08-29 10:56:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 283 states have (on average 1.4876325088339222) internal successors, (421), 297 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 421 transitions. [2021-08-29 10:56:01,144 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 421 transitions. Word has length 7 [2021-08-29 10:56:01,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:01,144 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 421 transitions. [2021-08-29 10:56:01,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 421 transitions. [2021-08-29 10:56:01,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-08-29 10:56:01,147 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:01,147 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:01,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 10:56:01,148 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:01,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:01,149 INFO L82 PathProgramCache]: Analyzing trace with hash 118401710, now seen corresponding path program 1 times [2021-08-29 10:56:01,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:01,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103955581] [2021-08-29 10:56:01,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:01,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:01,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:01,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103955581] [2021-08-29 10:56:01,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103955581] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:01,220 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:01,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 10:56:01,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787860780] [2021-08-29 10:56:01,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 10:56:01,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:01,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 10:56:01,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:56:01,223 INFO L87 Difference]: Start difference. First operand 298 states and 421 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:01,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:01,905 INFO L93 Difference]: Finished difference Result 305 states and 428 transitions. [2021-08-29 10:56:01,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 10:56:01,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2021-08-29 10:56:01,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:01,910 INFO L225 Difference]: With dead ends: 305 [2021-08-29 10:56:01,910 INFO L226 Difference]: Without dead ends: 300 [2021-08-29 10:56:01,911 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.36ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:01,913 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 44 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 489.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.93ms SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 651.54ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:01,913 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 0 Invalid, 1301 Unknown, 0 Unchecked, 3.93ms Time], IncrementalHoareTripleChecker [125 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 651.54ms Time] [2021-08-29 10:56:01,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-08-29 10:56:01,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 293. [2021-08-29 10:56:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 279 states have (on average 1.2759856630824373) internal successors, (356), 292 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:01,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2021-08-29 10:56:01,925 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 8 [2021-08-29 10:56:01,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:01,926 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2021-08-29 10:56:01,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2021-08-29 10:56:01,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-08-29 10:56:01,926 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:01,927 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:01,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 10:56:01,927 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:01,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:01,928 INFO L82 PathProgramCache]: Analyzing trace with hash 137513629, now seen corresponding path program 1 times [2021-08-29 10:56:01,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:01,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273675534] [2021-08-29 10:56:01,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:01,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:01,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:01,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273675534] [2021-08-29 10:56:01,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273675534] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:01,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:01,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 10:56:01,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132492782] [2021-08-29 10:56:01,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 10:56:01,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:01,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 10:56:01,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 10:56:01,967 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:02,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:02,370 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2021-08-29 10:56:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 10:56:02,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2021-08-29 10:56:02,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:02,372 INFO L225 Difference]: With dead ends: 293 [2021-08-29 10:56:02,372 INFO L226 Difference]: Without dead ends: 291 [2021-08-29 10:56:02,372 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:56:02,373 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 325 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 306.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.15ms SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 385.01ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:02,374 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 0 Invalid, 733 Unknown, 0 Unchecked, 2.15ms Time], IncrementalHoareTripleChecker [66 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 385.01ms Time] [2021-08-29 10:56:02,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-08-29 10:56:02,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2021-08-29 10:56:02,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 278 states have (on average 1.2733812949640289) internal successors, (354), 290 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:02,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2021-08-29 10:56:02,383 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 8 [2021-08-29 10:56:02,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:02,383 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2021-08-29 10:56:02,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:02,383 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2021-08-29 10:56:02,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-08-29 10:56:02,384 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:02,384 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:02,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 10:56:02,384 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:02,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:02,385 INFO L82 PathProgramCache]: Analyzing trace with hash -32040723, now seen corresponding path program 1 times [2021-08-29 10:56:02,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:02,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726373516] [2021-08-29 10:56:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:02,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:02,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:02,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726373516] [2021-08-29 10:56:02,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726373516] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:02,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:02,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 10:56:02,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151083523] [2021-08-29 10:56:02,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 10:56:02,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:02,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 10:56:02,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 10:56:02,428 INFO L87 Difference]: Start difference. First operand 291 states and 354 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:02,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:02,922 INFO L93 Difference]: Finished difference Result 296 states and 359 transitions. [2021-08-29 10:56:02,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 10:56:02,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-08-29 10:56:02,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:02,924 INFO L225 Difference]: With dead ends: 296 [2021-08-29 10:56:02,924 INFO L226 Difference]: Without dead ends: 294 [2021-08-29 10:56:02,924 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.62ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:56:02,925 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 41 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 375.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.25ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 474.71ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:02,926 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 0 Invalid, 1020 Unknown, 0 Unchecked, 2.25ms Time], IncrementalHoareTripleChecker [2 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 474.71ms Time] [2021-08-29 10:56:02,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-08-29 10:56:02,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2021-08-29 10:56:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 281 states have (on average 1.2704626334519573) internal successors, (357), 293 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2021-08-29 10:56:02,933 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 9 [2021-08-29 10:56:02,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:02,933 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2021-08-29 10:56:02,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2021-08-29 10:56:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 10:56:02,934 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:02,934 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:02,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 10:56:02,934 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:02,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:02,935 INFO L82 PathProgramCache]: Analyzing trace with hash -726236111, now seen corresponding path program 1 times [2021-08-29 10:56:02,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:02,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357966293] [2021-08-29 10:56:02,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:02,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:02,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:02,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357966293] [2021-08-29 10:56:02,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357966293] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:02,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:02,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 10:56:02,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942793344] [2021-08-29 10:56:02,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 10:56:02,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:02,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 10:56:02,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:56:02,987 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:03,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:03,526 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2021-08-29 10:56:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 10:56:03,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2021-08-29 10:56:03,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:03,528 INFO L225 Difference]: With dead ends: 294 [2021-08-29 10:56:03,528 INFO L226 Difference]: Without dead ends: 292 [2021-08-29 10:56:03,528 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.39ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:03,529 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 287 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 400.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.74ms SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 516.30ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:03,529 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 0 Invalid, 1126 Unknown, 0 Unchecked, 2.74ms Time], IncrementalHoareTripleChecker [63 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 516.30ms Time] [2021-08-29 10:56:03,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-08-29 10:56:03,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-08-29 10:56:03,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 280 states have (on average 1.2678571428571428) internal successors, (355), 291 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:03,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2021-08-29 10:56:03,536 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 11 [2021-08-29 10:56:03,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:03,536 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2021-08-29 10:56:03,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2021-08-29 10:56:03,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-29 10:56:03,537 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:03,538 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:03,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 10:56:03,538 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:03,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:03,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1038478869, now seen corresponding path program 1 times [2021-08-29 10:56:03,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:03,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991922030] [2021-08-29 10:56:03,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:03,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:03,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:03,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991922030] [2021-08-29 10:56:03,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991922030] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:03,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:03,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 10:56:03,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543429038] [2021-08-29 10:56:03,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 10:56:03,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:03,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 10:56:03,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 10:56:03,576 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:04,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:04,057 INFO L93 Difference]: Finished difference Result 292 states and 355 transitions. [2021-08-29 10:56:04,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 10:56:04,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2021-08-29 10:56:04,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:04,059 INFO L225 Difference]: With dead ends: 292 [2021-08-29 10:56:04,059 INFO L226 Difference]: Without dead ends: 288 [2021-08-29 10:56:04,060 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.93ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:56:04,060 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 12 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 365.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.15ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 462.35ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:04,060 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 0 Invalid, 1038 Unknown, 0 Unchecked, 2.15ms Time], IncrementalHoareTripleChecker [2 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 462.35ms Time] [2021-08-29 10:56:04,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2021-08-29 10:56:04,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2021-08-29 10:56:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 287 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:04,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2021-08-29 10:56:04,071 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 12 [2021-08-29 10:56:04,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:04,071 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2021-08-29 10:56:04,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:04,071 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2021-08-29 10:56:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-29 10:56:04,072 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:04,072 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:04,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 10:56:04,073 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:04,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:04,073 INFO L82 PathProgramCache]: Analyzing trace with hash -242777879, now seen corresponding path program 1 times [2021-08-29 10:56:04,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:04,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681970290] [2021-08-29 10:56:04,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:04,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:04,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:04,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681970290] [2021-08-29 10:56:04,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681970290] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:04,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:04,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 10:56:04,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530229910] [2021-08-29 10:56:04,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 10:56:04,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:04,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 10:56:04,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:04,220 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:04,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:04,875 INFO L93 Difference]: Finished difference Result 316 states and 381 transitions. [2021-08-29 10:56:04,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 10:56:04,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2021-08-29 10:56:04,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:04,877 INFO L225 Difference]: With dead ends: 316 [2021-08-29 10:56:04,877 INFO L226 Difference]: Without dead ends: 314 [2021-08-29 10:56:04,878 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 30.19ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 10:56:04,878 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 91 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 504.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.14ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 618.44ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:04,878 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 0 Invalid, 1383 Unknown, 0 Unchecked, 2.14ms Time], IncrementalHoareTripleChecker [7 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 618.44ms Time] [2021-08-29 10:56:04,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-08-29 10:56:04,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 288. [2021-08-29 10:56:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 287 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2021-08-29 10:56:04,885 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 13 [2021-08-29 10:56:04,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:04,886 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2021-08-29 10:56:04,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2021-08-29 10:56:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-29 10:56:04,887 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:04,887 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:04,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 10:56:04,887 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:04,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:04,888 INFO L82 PathProgramCache]: Analyzing trace with hash -2112927996, now seen corresponding path program 1 times [2021-08-29 10:56:04,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:04,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934898680] [2021-08-29 10:56:04,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:04,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:04,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:04,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934898680] [2021-08-29 10:56:04,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934898680] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:04,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:04,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 10:56:04,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224696945] [2021-08-29 10:56:04,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 10:56:04,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:04,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 10:56:04,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:56:04,927 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:05,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:05,466 INFO L93 Difference]: Finished difference Result 308 states and 373 transitions. [2021-08-29 10:56:05,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 10:56:05,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2021-08-29 10:56:05,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:05,468 INFO L225 Difference]: With dead ends: 308 [2021-08-29 10:56:05,468 INFO L226 Difference]: Without dead ends: 306 [2021-08-29 10:56:05,469 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.41ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:05,469 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 303 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 407.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.03ms SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 516.93ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:05,469 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [303 Valid, 0 Invalid, 1140 Unknown, 0 Unchecked, 2.03ms Time], IncrementalHoareTripleChecker [65 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 516.93ms Time] [2021-08-29 10:56:05,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-08-29 10:56:05,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2021-08-29 10:56:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 276 states have (on average 1.2644927536231885) internal successors, (349), 285 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:05,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2021-08-29 10:56:05,475 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 13 [2021-08-29 10:56:05,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:05,476 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2021-08-29 10:56:05,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2021-08-29 10:56:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-29 10:56:05,477 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:05,477 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:05,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 10:56:05,477 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:05,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:05,477 INFO L82 PathProgramCache]: Analyzing trace with hash -2111204092, now seen corresponding path program 1 times [2021-08-29 10:56:05,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:05,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944567250] [2021-08-29 10:56:05,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:05,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:05,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:05,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944567250] [2021-08-29 10:56:05,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944567250] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:05,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:05,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 10:56:05,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997412194] [2021-08-29 10:56:05,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 10:56:05,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:05,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 10:56:05,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:56:05,509 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:06,016 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2021-08-29 10:56:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 10:56:06,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2021-08-29 10:56:06,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:06,017 INFO L225 Difference]: With dead ends: 289 [2021-08-29 10:56:06,017 INFO L226 Difference]: Without dead ends: 287 [2021-08-29 10:56:06,018 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.25ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:06,018 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 277 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 371.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.63ms SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 488.29ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:06,019 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 0 Invalid, 1102 Unknown, 0 Unchecked, 1.63ms Time], IncrementalHoareTripleChecker [63 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 488.29ms Time] [2021-08-29 10:56:06,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-08-29 10:56:06,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 284. [2021-08-29 10:56:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 275 states have (on average 1.2618181818181817) internal successors, (347), 283 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2021-08-29 10:56:06,024 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 13 [2021-08-29 10:56:06,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:06,025 INFO L470 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2021-08-29 10:56:06,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2021-08-29 10:56:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-08-29 10:56:06,025 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:06,025 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:06,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 10:56:06,026 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:06,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:06,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1076254322, now seen corresponding path program 1 times [2021-08-29 10:56:06,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:06,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369239141] [2021-08-29 10:56:06,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:06,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:06,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:06,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369239141] [2021-08-29 10:56:06,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369239141] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:06,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:06,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 10:56:06,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450890441] [2021-08-29 10:56:06,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 10:56:06,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:06,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 10:56:06,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:06,090 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:06,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:06,710 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2021-08-29 10:56:06,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 10:56:06,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2021-08-29 10:56:06,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:06,712 INFO L225 Difference]: With dead ends: 322 [2021-08-29 10:56:06,712 INFO L226 Difference]: Without dead ends: 320 [2021-08-29 10:56:06,712 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 21.29ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-29 10:56:06,713 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 55 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 472.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.03ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 593.46ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:06,713 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 0 Invalid, 1408 Unknown, 0 Unchecked, 2.03ms Time], IncrementalHoareTripleChecker [4 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 593.46ms Time] [2021-08-29 10:56:06,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-08-29 10:56:06,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 292. [2021-08-29 10:56:06,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 283 states have (on average 1.2614840989399294) internal successors, (357), 291 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:06,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2021-08-29 10:56:06,720 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 14 [2021-08-29 10:56:06,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:06,720 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2021-08-29 10:56:06,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:06,721 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2021-08-29 10:56:06,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-08-29 10:56:06,724 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:06,724 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:06,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 10:56:06,724 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:06,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:06,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1074707177, now seen corresponding path program 1 times [2021-08-29 10:56:06,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:06,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917313374] [2021-08-29 10:56:06,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:06,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:06,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:06,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917313374] [2021-08-29 10:56:06,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917313374] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:06,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:06,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 10:56:06,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571770716] [2021-08-29 10:56:06,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 10:56:06,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:06,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 10:56:06,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:56:06,776 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:07,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:07,221 INFO L93 Difference]: Finished difference Result 312 states and 379 transitions. [2021-08-29 10:56:07,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 10:56:07,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2021-08-29 10:56:07,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:07,223 INFO L225 Difference]: With dead ends: 312 [2021-08-29 10:56:07,223 INFO L226 Difference]: Without dead ends: 310 [2021-08-29 10:56:07,223 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.51ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:07,224 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 294 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 328.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.36ms SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 427.58ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:07,224 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 0 Invalid, 1141 Unknown, 0 Unchecked, 1.36ms Time], IncrementalHoareTripleChecker [65 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 427.58ms Time] [2021-08-29 10:56:07,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-08-29 10:56:07,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 290. [2021-08-29 10:56:07,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 282 states have (on average 1.2588652482269505) internal successors, (355), 289 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 355 transitions. [2021-08-29 10:56:07,230 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 355 transitions. Word has length 14 [2021-08-29 10:56:07,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:07,231 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 355 transitions. [2021-08-29 10:56:07,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:07,231 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 355 transitions. [2021-08-29 10:56:07,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-08-29 10:56:07,231 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:07,231 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:07,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 10:56:07,232 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:07,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:07,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1022813242, now seen corresponding path program 1 times [2021-08-29 10:56:07,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:07,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995028608] [2021-08-29 10:56:07,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:07,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:07,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:07,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995028608] [2021-08-29 10:56:07,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995028608] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:07,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:07,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 10:56:07,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005584779] [2021-08-29 10:56:07,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 10:56:07,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:07,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 10:56:07,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:07,293 INFO L87 Difference]: Start difference. First operand 290 states and 355 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:07,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:07,824 INFO L93 Difference]: Finished difference Result 300 states and 365 transitions. [2021-08-29 10:56:07,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 10:56:07,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2021-08-29 10:56:07,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:07,826 INFO L225 Difference]: With dead ends: 300 [2021-08-29 10:56:07,826 INFO L226 Difference]: Without dead ends: 296 [2021-08-29 10:56:07,826 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 20.33ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-29 10:56:07,827 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 29 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 392.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.32ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 510.87ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:07,827 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 0 Invalid, 1356 Unknown, 0 Unchecked, 1.32ms Time], IncrementalHoareTripleChecker [2 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 510.87ms Time] [2021-08-29 10:56:07,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-08-29 10:56:07,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 291. [2021-08-29 10:56:07,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 283 states have (on average 1.2579505300353357) internal successors, (356), 290 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:07,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2021-08-29 10:56:07,833 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 14 [2021-08-29 10:56:07,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:07,833 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2021-08-29 10:56:07,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:07,833 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2021-08-29 10:56:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-29 10:56:07,834 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:07,834 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:07,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 10:56:07,834 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:07,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:07,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1043820030, now seen corresponding path program 1 times [2021-08-29 10:56:07,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:07,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309567644] [2021-08-29 10:56:07,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:07,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:07,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:07,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:07,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309567644] [2021-08-29 10:56:07,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309567644] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:07,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:07,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 10:56:07,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722454541] [2021-08-29 10:56:07,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 10:56:07,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:07,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 10:56:07,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:07,892 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:08,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:08,631 INFO L93 Difference]: Finished difference Result 317 states and 384 transitions. [2021-08-29 10:56:08,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 10:56:08,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-08-29 10:56:08,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:08,633 INFO L225 Difference]: With dead ends: 317 [2021-08-29 10:56:08,633 INFO L226 Difference]: Without dead ends: 315 [2021-08-29 10:56:08,634 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 20.01ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-29 10:56:08,634 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 541.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.84ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 709.05ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:08,634 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 1788 Unknown, 0 Unchecked, 1.84ms Time], IncrementalHoareTripleChecker [4 Valid, 1784 Invalid, 0 Unknown, 0 Unchecked, 709.05ms Time] [2021-08-29 10:56:08,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-08-29 10:56:08,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 294. [2021-08-29 10:56:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 286 states have (on average 1.2552447552447552) internal successors, (359), 293 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 359 transitions. [2021-08-29 10:56:08,641 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 359 transitions. Word has length 15 [2021-08-29 10:56:08,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:08,641 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 359 transitions. [2021-08-29 10:56:08,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 359 transitions. [2021-08-29 10:56:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 10:56:08,642 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:08,642 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:08,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 10:56:08,642 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:08,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:08,642 INFO L82 PathProgramCache]: Analyzing trace with hash 806842801, now seen corresponding path program 1 times [2021-08-29 10:56:08,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:08,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092906091] [2021-08-29 10:56:08,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:08,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:08,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:08,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092906091] [2021-08-29 10:56:08,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092906091] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:08,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:08,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 10:56:08,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285322823] [2021-08-29 10:56:08,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 10:56:08,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:08,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 10:56:08,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 10:56:08,669 INFO L87 Difference]: Start difference. First operand 294 states and 359 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:09,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:09,038 INFO L93 Difference]: Finished difference Result 294 states and 359 transitions. [2021-08-29 10:56:09,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 10:56:09,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-08-29 10:56:09,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:09,040 INFO L225 Difference]: With dead ends: 294 [2021-08-29 10:56:09,040 INFO L226 Difference]: Without dead ends: 292 [2021-08-29 10:56:09,041 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.77ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:56:09,041 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 330 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 282.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.97ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 354.14ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:09,041 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 0 Invalid, 678 Unknown, 0 Unchecked, 0.97ms Time], IncrementalHoareTripleChecker [0 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 354.14ms Time] [2021-08-29 10:56:09,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-08-29 10:56:09,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-08-29 10:56:09,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 285 states have (on average 1.2526315789473683) internal successors, (357), 291 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:09,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2021-08-29 10:56:09,047 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 16 [2021-08-29 10:56:09,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:09,047 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2021-08-29 10:56:09,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2021-08-29 10:56:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 10:56:09,048 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:09,048 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:09,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-29 10:56:09,050 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:09,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:09,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1029635725, now seen corresponding path program 1 times [2021-08-29 10:56:09,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:09,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641082315] [2021-08-29 10:56:09,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:09,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:09,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:09,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641082315] [2021-08-29 10:56:09,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641082315] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:09,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:09,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 10:56:09,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712448468] [2021-08-29 10:56:09,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 10:56:09,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:09,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 10:56:09,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:09,117 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:09,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:09,542 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2021-08-29 10:56:09,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 10:56:09,543 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-08-29 10:56:09,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:09,544 INFO L225 Difference]: With dead ends: 292 [2021-08-29 10:56:09,544 INFO L226 Difference]: Without dead ends: 290 [2021-08-29 10:56:09,544 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 34.85ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 10:56:09,545 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 496 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 302.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.57ms SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 385.47ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:09,545 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [496 Valid, 0 Invalid, 921 Unknown, 0 Unchecked, 2.57ms Time], IncrementalHoareTripleChecker [129 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 385.47ms Time] [2021-08-29 10:56:09,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-08-29 10:56:09,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2021-08-29 10:56:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 281 states have (on average 1.2526690391459074) internal successors, (352), 286 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:09,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2021-08-29 10:56:09,552 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 17 [2021-08-29 10:56:09,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:09,552 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2021-08-29 10:56:09,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:09,552 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2021-08-29 10:56:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 10:56:09,552 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:09,553 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:09,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 10:56:09,553 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:09,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:09,553 INFO L82 PathProgramCache]: Analyzing trace with hash -757672814, now seen corresponding path program 1 times [2021-08-29 10:56:09,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:09,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99710368] [2021-08-29 10:56:09,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:09,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:09,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:09,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:09,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99710368] [2021-08-29 10:56:09,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99710368] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:09,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:09,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 10:56:09,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056172666] [2021-08-29 10:56:09,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 10:56:09,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:09,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 10:56:09,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 10:56:09,577 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:09,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:09,967 INFO L93 Difference]: Finished difference Result 287 states and 352 transitions. [2021-08-29 10:56:09,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 10:56:09,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-08-29 10:56:09,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:09,968 INFO L225 Difference]: With dead ends: 287 [2021-08-29 10:56:09,969 INFO L226 Difference]: Without dead ends: 283 [2021-08-29 10:56:09,969 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:56:09,970 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 7 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 302.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.93ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 376.26ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:09,970 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 0 Invalid, 1001 Unknown, 0 Unchecked, 0.93ms Time], IncrementalHoareTripleChecker [1 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 376.26ms Time] [2021-08-29 10:56:09,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-08-29 10:56:09,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2021-08-29 10:56:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 278 states have (on average 1.2517985611510791) internal successors, (348), 282 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:09,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 348 transitions. [2021-08-29 10:56:09,976 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 348 transitions. Word has length 17 [2021-08-29 10:56:09,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:09,976 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 348 transitions. [2021-08-29 10:56:09,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:09,977 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 348 transitions. [2021-08-29 10:56:09,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-29 10:56:09,977 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:09,977 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:09,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-29 10:56:09,978 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:09,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:09,978 INFO L82 PathProgramCache]: Analyzing trace with hash -476651758, now seen corresponding path program 1 times [2021-08-29 10:56:09,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:09,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590910072] [2021-08-29 10:56:09,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:09,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:10,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:10,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590910072] [2021-08-29 10:56:10,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590910072] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:10,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:10,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 10:56:10,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424195202] [2021-08-29 10:56:10,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 10:56:10,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:10,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 10:56:10,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:10,025 INFO L87 Difference]: Start difference. First operand 283 states and 348 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:10,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:10,498 INFO L93 Difference]: Finished difference Result 297 states and 364 transitions. [2021-08-29 10:56:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 10:56:10,498 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-08-29 10:56:10,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:10,499 INFO L225 Difference]: With dead ends: 297 [2021-08-29 10:56:10,499 INFO L226 Difference]: Without dead ends: 295 [2021-08-29 10:56:10,500 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 37.13ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 10:56:10,500 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 485 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 349.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.27ms SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 433.19ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:10,500 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 0 Invalid, 939 Unknown, 0 Unchecked, 2.27ms Time], IncrementalHoareTripleChecker [128 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 433.19ms Time] [2021-08-29 10:56:10,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-08-29 10:56:10,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 279. [2021-08-29 10:56:10,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 275 states have (on average 1.250909090909091) internal successors, (344), 278 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) [2021-08-29 10:56:10,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 344 transitions. [2021-08-29 10:56:10,506 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 344 transitions. Word has length 18 [2021-08-29 10:56:10,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:10,506 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 344 transitions. [2021-08-29 10:56:10,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:10,507 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 344 transitions. [2021-08-29 10:56:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-29 10:56:10,507 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:10,507 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:10,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-29 10:56:10,507 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:10,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:10,508 INFO L82 PathProgramCache]: Analyzing trace with hash -423210678, now seen corresponding path program 1 times [2021-08-29 10:56:10,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:10,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288929055] [2021-08-29 10:56:10,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:10,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:10,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:10,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288929055] [2021-08-29 10:56:10,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288929055] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:10,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:10,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 10:56:10,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91477728] [2021-08-29 10:56:10,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 10:56:10,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:10,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 10:56:10,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:10,554 INFO L87 Difference]: Start difference. First operand 279 states and 344 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:10,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:10,961 INFO L93 Difference]: Finished difference Result 279 states and 344 transitions. [2021-08-29 10:56:10,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 10:56:10,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-08-29 10:56:10,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:10,963 INFO L225 Difference]: With dead ends: 279 [2021-08-29 10:56:10,963 INFO L226 Difference]: Without dead ends: 275 [2021-08-29 10:56:10,963 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.59ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 10:56:10,964 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 660 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 301.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.46ms SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 376.81ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:10,964 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 0 Invalid, 915 Unknown, 0 Unchecked, 2.46ms Time], IncrementalHoareTripleChecker [188 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 376.81ms Time] [2021-08-29 10:56:10,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-08-29 10:56:10,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2021-08-29 10:56:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 272 states have (on average 1.25) internal successors, (340), 274 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 340 transitions. [2021-08-29 10:56:10,969 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 340 transitions. Word has length 18 [2021-08-29 10:56:10,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:10,970 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 340 transitions. [2021-08-29 10:56:10,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 340 transitions. [2021-08-29 10:56:10,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-29 10:56:10,970 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:10,971 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:10,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-29 10:56:10,971 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:10,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:10,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1997901656, now seen corresponding path program 1 times [2021-08-29 10:56:10,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:10,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898609902] [2021-08-29 10:56:10,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:10,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:11,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:11,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898609902] [2021-08-29 10:56:11,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898609902] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:11,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:11,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 10:56:11,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834212833] [2021-08-29 10:56:11,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 10:56:11,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:11,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 10:56:11,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:56:11,014 INFO L87 Difference]: Start difference. First operand 275 states and 340 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:11,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:11,499 INFO L93 Difference]: Finished difference Result 284 states and 351 transitions. [2021-08-29 10:56:11,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 10:56:11,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-08-29 10:56:11,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:11,500 INFO L225 Difference]: With dead ends: 284 [2021-08-29 10:56:11,500 INFO L226 Difference]: Without dead ends: 250 [2021-08-29 10:56:11,500 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 36.30ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 10:56:11,501 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 464 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 354.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.53ms SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 444.84ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:11,501 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 0 Invalid, 925 Unknown, 0 Unchecked, 2.53ms Time], IncrementalHoareTripleChecker [128 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 444.84ms Time] [2021-08-29 10:56:11,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-08-29 10:56:11,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-08-29 10:56:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 248 states have (on average 1.0080645161290323) internal successors, (250), 249 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2021-08-29 10:56:11,505 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 18 [2021-08-29 10:56:11,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:11,505 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2021-08-29 10:56:11,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:11,505 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2021-08-29 10:56:11,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-08-29 10:56:11,511 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:11,511 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:11,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-29 10:56:11,511 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:11,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:11,512 INFO L82 PathProgramCache]: Analyzing trace with hash -707619029, now seen corresponding path program 1 times [2021-08-29 10:56:11,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:11,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85804193] [2021-08-29 10:56:11,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:11,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:13,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:13,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85804193] [2021-08-29 10:56:13,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85804193] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:13,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:13,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2021-08-29 10:56:13,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693549811] [2021-08-29 10:56:13,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-08-29 10:56:13,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:13,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-08-29 10:56:13,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2021-08-29 10:56:13,064 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:13,770 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2021-08-29 10:56:13,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-29 10:56:13,771 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 0 states have call successors, (0), 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 244 [2021-08-29 10:56:13,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:13,773 INFO L225 Difference]: With dead ends: 251 [2021-08-29 10:56:13,773 INFO L226 Difference]: Without dead ends: 249 [2021-08-29 10:56:13,774 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1252.84ms TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2021-08-29 10:56:13,775 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 547 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 505.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.27ms SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 663.19ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:13,775 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [547 Valid, 0 Invalid, 1994 Unknown, 0 Unchecked, 3.27ms Time], IncrementalHoareTripleChecker [181 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 663.19ms Time] [2021-08-29 10:56:13,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-08-29 10:56:13,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 248. [2021-08-29 10:56:13,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.0040485829959513) internal successors, (248), 247 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:13,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2021-08-29 10:56:13,779 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 244 [2021-08-29 10:56:13,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:13,780 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2021-08-29 10:56:13,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2021-08-29 10:56:13,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-08-29 10:56:13,783 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:56:13,783 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:56:13,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-29 10:56:13,784 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-08-29 10:56:13,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:56:13,784 INFO L82 PathProgramCache]: Analyzing trace with hash -461348049, now seen corresponding path program 1 times [2021-08-29 10:56:13,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:56:13,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830738303] [2021-08-29 10:56:13,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:56:13,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:56:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:56:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:56:14,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:56:14,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830738303] [2021-08-29 10:56:14,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830738303] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:56:14,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:56:14,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-29 10:56:14,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744261950] [2021-08-29 10:56:14,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 10:56:14,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:56:14,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 10:56:14,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-29 10:56:14,531 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:14,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:56:14,840 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2021-08-29 10:56:14,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 10:56:14,841 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 245 [2021-08-29 10:56:14,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:56:14,842 INFO L225 Difference]: With dead ends: 250 [2021-08-29 10:56:14,842 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 10:56:14,843 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 26.04ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 10:56:14,843 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 424 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 231.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.56ms SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 293.61ms IncrementalHoareTripleChecker+Time [2021-08-29 10:56:14,843 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [424 Valid, 0 Invalid, 684 Unknown, 0 Unchecked, 1.56ms Time], IncrementalHoareTripleChecker [129 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 293.61ms Time] [2021-08-29 10:56:14,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 10:56:14,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 10:56:14,844 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) [2021-08-29 10:56:14,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 10:56:14,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2021-08-29 10:56:14,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:56:14,845 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 10:56:14,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:56:14,845 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 10:56:14,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 10:56:14,847 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 16 remaining) [2021-08-29 10:56:14,847 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining) [2021-08-29 10:56:14,848 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (13 of 16 remaining) [2021-08-29 10:56:14,848 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining) [2021-08-29 10:56:14,848 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining) [2021-08-29 10:56:14,848 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining) [2021-08-29 10:56:14,848 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining) [2021-08-29 10:56:14,848 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2021-08-29 10:56:14,848 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining) [2021-08-29 10:56:14,849 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining) [2021-08-29 10:56:14,849 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining) [2021-08-29 10:56:14,849 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining) [2021-08-29 10:56:14,849 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining) [2021-08-29 10:56:14,849 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining) [2021-08-29 10:56:14,849 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining) [2021-08-29 10:56:14,850 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining) [2021-08-29 10:56:14,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-29 10:56:14,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 10:56:14,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:56:14,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:56:14,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:56:14,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:56:14,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:56:14,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:56:14,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:56:15,038 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2021-08-29 10:56:15,038 INFO L858 garLoopResultBuilder]: For program point L1555(lines 1555 2805) no Hoare annotation was computed. [2021-08-29 10:56:15,038 INFO L858 garLoopResultBuilder]: For program point L2546(lines 2546 2653) no Hoare annotation was computed. [2021-08-29 10:56:15,038 INFO L858 garLoopResultBuilder]: For program point L2480(lines 2480 2663) no Hoare annotation was computed. [2021-08-29 10:56:15,038 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 2978) no Hoare annotation was computed. [2021-08-29 10:56:15,038 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 255) no Hoare annotation was computed. [2021-08-29 10:56:15,038 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 2937) no Hoare annotation was computed. [2021-08-29 10:56:15,038 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 2785) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 2795) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 125) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L1953(lines 1953 2744) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L830(lines 830 2917) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 2927) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L2614(lines 2614 2643) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L2218(lines 2218 2703) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L1095(lines 1095 2876) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 2835) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L2351(lines 2351 2683) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L2285(lines 2285 2693) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 193) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L2616(line 2616) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L502(lines 502 2967) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L1493(lines 1493 2815) no Hoare annotation was computed. [2021-08-29 10:56:15,039 INFO L858 garLoopResultBuilder]: For program point L1427(lines 1427 2825) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L1758(lines 1758 2774) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L635(lines 635 2947) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L569(lines 569 2957) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L861 garLoopResultBuilder]: At program point L2617(lines 16 3008) the Hoare annotation is: true [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L2023(lines 2023 2733) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L900(lines 900 2906) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L1165(lines 1165 2865) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L2156(lines 2156 2713) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L2090(lines 2090 2723) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L2421(lines 2421 2672) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 2997) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L1298(lines 1298 2845) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L1232(lines 1232 2855) no Hoare annotation was computed. [2021-08-29 10:56:15,040 INFO L858 garLoopResultBuilder]: For program point L1563(lines 1563 2804) no Hoare annotation was computed. [2021-08-29 10:56:15,041 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 2977) no Hoare annotation was computed. [2021-08-29 10:56:15,041 INFO L858 garLoopResultBuilder]: For program point L374(lines 374 2987) no Hoare annotation was computed. [2021-08-29 10:56:15,041 INFO L858 garLoopResultBuilder]: For program point L1828(lines 1828 2763) no Hoare annotation was computed. [2021-08-29 10:56:15,041 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 2936) no Hoare annotation was computed. [2021-08-29 10:56:15,041 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 55) no Hoare annotation was computed. [2021-08-29 10:56:15,041 INFO L858 garLoopResultBuilder]: For program point L970(lines 970 2895) no Hoare annotation was computed. [2021-08-29 10:56:15,041 INFO L858 garLoopResultBuilder]: For program point L1961(lines 1961 2743) no Hoare annotation was computed. [2021-08-29 10:56:15,041 INFO L858 garLoopResultBuilder]: For program point L1895(lines 1895 2753) no Hoare annotation was computed. [2021-08-29 10:56:15,041 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2021-08-29 10:56:15,041 INFO L858 garLoopResultBuilder]: For program point L2226(lines 2226 2702) no Hoare annotation was computed. [2021-08-29 10:56:15,041 INFO L858 garLoopResultBuilder]: For program point L1103(lines 1103 2875) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point L1037(lines 1037 2885) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 2604) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point L2623(lines 2623 2642) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point L2491(lines 2491 2661) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point L1368(lines 1368 2834) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 2793) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point L2558(lines 2558 2651) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 2966) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 281) no Hoare annotation was computed. [2021-08-29 10:56:15,042 INFO L858 garLoopResultBuilder]: For program point L775(lines 775 2925) no Hoare annotation was computed. [2021-08-29 10:56:15,043 INFO L858 garLoopResultBuilder]: For program point L1766(lines 1766 2773) no Hoare annotation was computed. [2021-08-29 10:56:15,043 INFO L858 garLoopResultBuilder]: For program point L1700(lines 1700 2783) no Hoare annotation was computed. [2021-08-29 10:56:15,043 INFO L854 garLoopResultBuilder]: At program point L2625(lines 25 3002) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 0 ULTIMATE.start_main_~main__t~0)) [2021-08-29 10:56:15,043 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 123) no Hoare annotation was computed. [2021-08-29 10:56:15,043 INFO L858 garLoopResultBuilder]: For program point L2031(lines 2031 2732) no Hoare annotation was computed. [2021-08-29 10:56:15,043 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 2905) no Hoare annotation was computed. [2021-08-29 10:56:15,043 INFO L858 garLoopResultBuilder]: For program point L842(lines 842 2915) no Hoare annotation was computed. [2021-08-29 10:56:15,043 INFO L858 garLoopResultBuilder]: For program point L2296(lines 2296 2691) no Hoare annotation was computed. [2021-08-29 10:56:15,043 INFO L858 garLoopResultBuilder]: For program point L1173(lines 1173 2864) no Hoare annotation was computed. [2021-08-29 10:56:15,043 INFO L858 garLoopResultBuilder]: For program point L1438(lines 1438 2823) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L2429(lines 2429 2671) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 2996) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L2363(lines 2363 2681) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L580(lines 580 2955) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L1571(lines 1571 2803) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L1505(lines 1505 2813) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L1836(lines 1836 2762) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L713(lines 713 2935) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L647(lines 647 2945) no Hoare annotation was computed. [2021-08-29 10:56:15,044 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-29 10:56:15,045 INFO L858 garLoopResultBuilder]: For program point L2101(lines 2101 2721) no Hoare annotation was computed. [2021-08-29 10:56:15,045 INFO L858 garLoopResultBuilder]: For program point L978(lines 978 2894) no Hoare annotation was computed. [2021-08-29 10:56:15,045 INFO L858 garLoopResultBuilder]: For program point L1243(lines 1243 2853) no Hoare annotation was computed. [2021-08-29 10:56:15,045 INFO L858 garLoopResultBuilder]: For program point L2234(lines 2234 2701) no Hoare annotation was computed. [2021-08-29 10:56:15,045 INFO L858 garLoopResultBuilder]: For program point L2168(lines 2168 2711) no Hoare annotation was computed. [2021-08-29 10:56:15,045 INFO L858 garLoopResultBuilder]: For program point L2631(lines 2631 2641) no Hoare annotation was computed. [2021-08-29 10:56:15,045 INFO L858 garLoopResultBuilder]: For program point L2499(lines 2499 2660) no Hoare annotation was computed. [2021-08-29 10:56:15,045 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 2985) no Hoare annotation was computed. [2021-08-29 10:56:15,045 INFO L858 garLoopResultBuilder]: For program point L1376(lines 1376 2833) no Hoare annotation was computed. [2021-08-29 10:56:15,045 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 2843) no Hoare annotation was computed. [2021-08-29 10:56:15,045 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 275) no Hoare annotation was computed. [2021-08-29 10:56:15,046 INFO L858 garLoopResultBuilder]: For program point L1641(lines 1641 2792) no Hoare annotation was computed. [2021-08-29 10:56:15,046 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 2965) no Hoare annotation was computed. [2021-08-29 10:56:15,046 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 2975) no Hoare annotation was computed. [2021-08-29 10:56:15,046 INFO L858 garLoopResultBuilder]: For program point L1906(lines 1906 2751) no Hoare annotation was computed. [2021-08-29 10:56:15,046 INFO L858 garLoopResultBuilder]: For program point L783(lines 783 2924) no Hoare annotation was computed. [2021-08-29 10:56:15,046 INFO L858 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2021-08-29 10:56:15,046 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 2883) no Hoare annotation was computed. [2021-08-29 10:56:15,046 INFO L858 garLoopResultBuilder]: For program point L2039(lines 2039 2731) no Hoare annotation was computed. [2021-08-29 10:56:15,046 INFO L858 garLoopResultBuilder]: For program point L1973(lines 1973 2741) no Hoare annotation was computed. [2021-08-29 10:56:15,046 INFO L854 garLoopResultBuilder]: At program point L2634(lines 64 3001) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 0 ULTIMATE.start_main_~main__t~0)) [2021-08-29 10:56:15,046 INFO L858 garLoopResultBuilder]: For program point L2304(lines 2304 2690) no Hoare annotation was computed. [2021-08-29 10:56:15,047 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 10:56:15,047 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-08-29 10:56:15,047 INFO L858 garLoopResultBuilder]: For program point L1181(lines 1181 2863) no Hoare annotation was computed. [2021-08-29 10:56:15,047 INFO L858 garLoopResultBuilder]: For program point L1115(lines 1115 2873) no Hoare annotation was computed. [2021-08-29 10:56:15,047 INFO L858 garLoopResultBuilder]: For program point L2569(lines 2569 2649) no Hoare annotation was computed. [2021-08-29 10:56:15,047 INFO L858 garLoopResultBuilder]: For program point L1446(lines 1446 2822) no Hoare annotation was computed. [2021-08-29 10:56:15,047 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 2995) no Hoare annotation was computed. [2021-08-29 10:56:15,047 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 2781) no Hoare annotation was computed. [2021-08-29 10:56:15,047 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 2954) no Hoare annotation was computed. [2021-08-29 10:56:15,047 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-08-29 10:56:15,047 INFO L858 garLoopResultBuilder]: For program point L853(lines 853 2913) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L1844(lines 1844 2761) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L1778(lines 1778 2771) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L2109(lines 2109 2720) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L986(lines 986 2893) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L920(lines 920 2903) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L2374(lines 2374 2679) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L1251(lines 1251 2852) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L1516(lines 1516 2811) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L2507(lines 2507 2659) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 2984) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L2441(lines 2441 2669) no Hoare annotation was computed. [2021-08-29 10:56:15,048 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 2943) no Hoare annotation was computed. [2021-08-29 10:56:15,049 INFO L858 garLoopResultBuilder]: For program point L1649(lines 1649 2791) no Hoare annotation was computed. [2021-08-29 10:56:15,049 INFO L854 garLoopResultBuilder]: At program point L2640(lines 2591 2647) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 59 ULTIMATE.start_main_~main__t~0)) [2021-08-29 10:56:15,049 INFO L858 garLoopResultBuilder]: For program point L1583(lines 1583 2801) no Hoare annotation was computed. [2021-08-29 10:56:15,049 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 3001) no Hoare annotation was computed. [2021-08-29 10:56:15,049 INFO L858 garLoopResultBuilder]: For program point L1914(lines 1914 2750) no Hoare annotation was computed. [2021-08-29 10:56:15,049 INFO L858 garLoopResultBuilder]: For program point L791(lines 791 2923) no Hoare annotation was computed. [2021-08-29 10:56:15,049 INFO L858 garLoopResultBuilder]: For program point L725(lines 725 2933) no Hoare annotation was computed. [2021-08-29 10:56:15,049 INFO L858 garLoopResultBuilder]: For program point L2179(lines 2179 2709) no Hoare annotation was computed. [2021-08-29 10:56:15,049 INFO L858 garLoopResultBuilder]: For program point L1056(lines 1056 2882) no Hoare annotation was computed. [2021-08-29 10:56:15,049 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point L1321(lines 1321 2841) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point L2312(lines 2312 2689) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point L2246(lines 2246 2699) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 282) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point L2577(lines 2577 2648) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point L463(lines 463 2973) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point L1454(lines 1454 2821) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 2831) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 273) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 2780) no Hoare annotation was computed. [2021-08-29 10:56:15,050 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 2953) no Hoare annotation was computed. [2021-08-29 10:56:15,051 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 2963) no Hoare annotation was computed. [2021-08-29 10:56:15,051 INFO L858 garLoopResultBuilder]: For program point L1984(lines 1984 2739) no Hoare annotation was computed. [2021-08-29 10:56:15,051 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 2912) no Hoare annotation was computed. [2021-08-29 10:56:15,051 INFO L858 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2021-08-29 10:56:15,051 INFO L858 garLoopResultBuilder]: For program point L1126(lines 1126 2871) no Hoare annotation was computed. [2021-08-29 10:56:15,051 INFO L858 garLoopResultBuilder]: For program point L2117(lines 2117 2719) no Hoare annotation was computed. [2021-08-29 10:56:15,051 INFO L858 garLoopResultBuilder]: For program point L2051(lines 2051 2729) no Hoare annotation was computed. [2021-08-29 10:56:15,051 INFO L858 garLoopResultBuilder]: For program point L2382(lines 2382 2678) no Hoare annotation was computed. [2021-08-29 10:56:15,051 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 2851) no Hoare annotation was computed. [2021-08-29 10:56:15,051 INFO L858 garLoopResultBuilder]: For program point L1193(lines 1193 2861) no Hoare annotation was computed. [2021-08-29 10:56:15,051 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 240) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point L1524(lines 1524 2810) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 2983) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point L335(lines 335 2993) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point L1789(lines 1789 2769) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point L666(lines 666 2942) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point L931(lines 931 2901) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point L1922(lines 1922 2749) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point L1856(lines 1856 2759) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 229) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point L2187(lines 2187 2708) no Hoare annotation was computed. [2021-08-29 10:56:15,052 INFO L858 garLoopResultBuilder]: For program point L1064(lines 1064 2881) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 2891) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L2452(lines 2452 2667) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L1329(lines 1329 2840) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L74(lines 74 286) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L1594(lines 1594 2799) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L2585(lines 2585 2647) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L471(lines 471 2972) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L2519(lines 2519 2657) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 2931) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L1727(lines 1727 2779) no Hoare annotation was computed. [2021-08-29 10:56:15,053 INFO L858 garLoopResultBuilder]: For program point L1661(lines 1661 2789) no Hoare annotation was computed. [2021-08-29 10:56:15,054 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2021-08-29 10:56:15,054 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-08-29 10:56:15,054 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2021-08-29 10:56:15,054 INFO L858 garLoopResultBuilder]: For program point L1992(lines 1992 2738) no Hoare annotation was computed. [2021-08-29 10:56:15,054 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 2911) no Hoare annotation was computed. [2021-08-29 10:56:15,054 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 2921) no Hoare annotation was computed. [2021-08-29 10:56:15,054 INFO L858 garLoopResultBuilder]: For program point L2257(lines 2257 2697) no Hoare annotation was computed. [2021-08-29 10:56:15,054 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 234) no Hoare annotation was computed. [2021-08-29 10:56:15,054 INFO L858 garLoopResultBuilder]: For program point L1134(lines 1134 2870) no Hoare annotation was computed. [2021-08-29 10:56:15,054 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point L1399(lines 1399 2829) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point L2390(lines 2390 2677) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point L2324(lines 2324 2687) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 2616) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 2961) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 2809) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 2819) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point L1797(lines 1797 2768) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 2941) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 2951) no Hoare annotation was computed. [2021-08-29 10:56:15,055 INFO L858 garLoopResultBuilder]: For program point L2062(lines 2062 2727) no Hoare annotation was computed. [2021-08-29 10:56:15,056 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 2900) no Hoare annotation was computed. [2021-08-29 10:56:15,056 INFO L858 garLoopResultBuilder]: For program point L1204(lines 1204 2859) no Hoare annotation was computed. [2021-08-29 10:56:15,056 INFO L858 garLoopResultBuilder]: For program point L2195(lines 2195 2707) no Hoare annotation was computed. [2021-08-29 10:56:15,056 INFO L858 garLoopResultBuilder]: For program point L2129(lines 2129 2717) no Hoare annotation was computed. [2021-08-29 10:56:15,056 INFO L858 garLoopResultBuilder]: For program point L2460(lines 2460 2666) no Hoare annotation was computed. [2021-08-29 10:56:15,056 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 2991) no Hoare annotation was computed. [2021-08-29 10:56:15,056 INFO L858 garLoopResultBuilder]: For program point L1337(lines 1337 2839) no Hoare annotation was computed. [2021-08-29 10:56:15,056 INFO L854 garLoopResultBuilder]: At program point L280(lines 132 282) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 1 ULTIMATE.start_main_~main__t~0) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~3 0)) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0))) [2021-08-29 10:56:15,056 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 2849) no Hoare annotation was computed. [2021-08-29 10:56:15,056 INFO L858 garLoopResultBuilder]: For program point L1602(lines 1602 2798) no Hoare annotation was computed. [2021-08-29 10:56:15,057 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 2971) no Hoare annotation was computed. [2021-08-29 10:56:15,057 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 2981) no Hoare annotation was computed. [2021-08-29 10:56:15,057 INFO L858 garLoopResultBuilder]: For program point L1867(lines 1867 2757) no Hoare annotation was computed. [2021-08-29 10:56:15,057 INFO L858 garLoopResultBuilder]: For program point L744(lines 744 2930) no Hoare annotation was computed. [2021-08-29 10:56:15,057 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 2889) no Hoare annotation was computed. [2021-08-29 10:56:15,057 INFO L858 garLoopResultBuilder]: For program point L2000(lines 2000 2737) no Hoare annotation was computed. [2021-08-29 10:56:15,057 INFO L858 garLoopResultBuilder]: For program point L1934(lines 1934 2747) no Hoare annotation was computed. [2021-08-29 10:56:15,057 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 227) no Hoare annotation was computed. [2021-08-29 10:56:15,057 INFO L858 garLoopResultBuilder]: For program point L2265(lines 2265 2696) no Hoare annotation was computed. [2021-08-29 10:56:15,057 INFO L858 garLoopResultBuilder]: For program point L1142(lines 1142 2869) no Hoare annotation was computed. [2021-08-29 10:56:15,057 INFO L858 garLoopResultBuilder]: For program point L1076(lines 1076 2879) no Hoare annotation was computed. [2021-08-29 10:56:15,058 INFO L858 garLoopResultBuilder]: For program point L2530(lines 2530 2655) no Hoare annotation was computed. [2021-08-29 10:56:15,058 INFO L858 garLoopResultBuilder]: For program point L1407(lines 1407 2828) no Hoare annotation was computed. [2021-08-29 10:56:15,058 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 10:56:15,058 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 284) no Hoare annotation was computed. [2021-08-29 10:56:15,058 INFO L858 garLoopResultBuilder]: For program point L1672(lines 1672 2787) no Hoare annotation was computed. [2021-08-29 10:56:15,058 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 2960) no Hoare annotation was computed. [2021-08-29 10:56:15,058 INFO L858 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2021-08-29 10:56:15,058 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 3007) no Hoare annotation was computed. [2021-08-29 10:56:15,058 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 2919) no Hoare annotation was computed. [2021-08-29 10:56:15,058 INFO L858 garLoopResultBuilder]: For program point L1805(lines 1805 2767) no Hoare annotation was computed. [2021-08-29 10:56:15,058 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 2777) no Hoare annotation was computed. [2021-08-29 10:56:15,059 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2021-08-29 10:56:15,059 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-08-29 10:56:15,059 INFO L858 garLoopResultBuilder]: For program point L2070(lines 2070 2726) no Hoare annotation was computed. [2021-08-29 10:56:15,059 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 2899) no Hoare annotation was computed. [2021-08-29 10:56:15,059 INFO L858 garLoopResultBuilder]: For program point L881(lines 881 2909) no Hoare annotation was computed. [2021-08-29 10:56:15,059 INFO L858 garLoopResultBuilder]: For program point L2335(lines 2335 2685) no Hoare annotation was computed. [2021-08-29 10:56:15,059 INFO L858 garLoopResultBuilder]: For program point L1212(lines 1212 2858) no Hoare annotation was computed. [2021-08-29 10:56:15,060 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 232) no Hoare annotation was computed. [2021-08-29 10:56:15,060 INFO L858 garLoopResultBuilder]: For program point L1477(lines 1477 2817) no Hoare annotation was computed. [2021-08-29 10:56:15,060 INFO L858 garLoopResultBuilder]: For program point L2468(lines 2468 2665) no Hoare annotation was computed. [2021-08-29 10:56:15,060 INFO L858 garLoopResultBuilder]: For program point L2402(lines 2402 2675) no Hoare annotation was computed. [2021-08-29 10:56:15,060 INFO L858 garLoopResultBuilder]: For program point L354(lines 354 2990) no Hoare annotation was computed. [2021-08-29 10:56:15,061 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2021-08-29 10:56:15,061 INFO L858 garLoopResultBuilder]: For program point L619(lines 619 2949) no Hoare annotation was computed. [2021-08-29 10:56:15,062 INFO L858 garLoopResultBuilder]: For program point L1610(lines 1610 2797) no Hoare annotation was computed. [2021-08-29 10:56:15,062 INFO L858 garLoopResultBuilder]: For program point L1544(lines 1544 2807) no Hoare annotation was computed. [2021-08-29 10:56:15,062 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-08-29 10:56:15,062 INFO L858 garLoopResultBuilder]: For program point L25(lines 25 3002) no Hoare annotation was computed. [2021-08-29 10:56:15,062 INFO L858 garLoopResultBuilder]: For program point L1875(lines 1875 2756) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 2929) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L686(lines 686 2939) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L2602(lines 2602 2645) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L2140(lines 2140 2715) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L1017(lines 1017 2888) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L1282(lines 1282 2847) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L2273(lines 2273 2695) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L2207(lines 2207 2705) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L2604(line 2604) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L2538(lines 2538 2654) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 2979) no Hoare annotation was computed. [2021-08-29 10:56:15,063 INFO L858 garLoopResultBuilder]: For program point L1415(lines 1415 2827) no Hoare annotation was computed. [2021-08-29 10:56:15,064 INFO L858 garLoopResultBuilder]: For program point L1349(lines 1349 2837) no Hoare annotation was computed. [2021-08-29 10:56:15,064 INFO L854 garLoopResultBuilder]: At program point L226(lines 92 284) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 1 ULTIMATE.start_main_~main__t~0) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~3 0)) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0))) [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point L1680(lines 1680 2786) no Hoare annotation was computed. [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 2959) no Hoare annotation was computed. [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 2969) no Hoare annotation was computed. [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point L1945(lines 1945 2745) no Hoare annotation was computed. [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point L822(lines 822 2918) no Hoare annotation was computed. [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point L1087(lines 1087 2877) no Hoare annotation was computed. [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point L2078(lines 2078 2725) no Hoare annotation was computed. [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point L2012(lines 2012 2735) no Hoare annotation was computed. [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point L2343(lines 2343 2684) no Hoare annotation was computed. [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point L1220(lines 1220 2857) no Hoare annotation was computed. [2021-08-29 10:56:15,065 INFO L858 garLoopResultBuilder]: For program point L1154(lines 1154 2867) no Hoare annotation was computed. [2021-08-29 10:56:15,066 INFO L858 garLoopResultBuilder]: For program point L1485(lines 1485 2816) no Hoare annotation was computed. [2021-08-29 10:56:15,066 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 2989) no Hoare annotation was computed. [2021-08-29 10:56:15,066 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 2999) no Hoare annotation was computed. [2021-08-29 10:56:15,066 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 231) no Hoare annotation was computed. [2021-08-29 10:56:15,066 INFO L858 garLoopResultBuilder]: For program point L1750(lines 1750 2775) no Hoare annotation was computed. [2021-08-29 10:56:15,066 INFO L858 garLoopResultBuilder]: For program point L627(lines 627 2948) no Hoare annotation was computed. [2021-08-29 10:56:15,066 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 57) no Hoare annotation was computed. [2021-08-29 10:56:15,066 INFO L861 garLoopResultBuilder]: At program point L3006(lines 21 3007) the Hoare annotation is: true [2021-08-29 10:56:15,066 INFO L858 garLoopResultBuilder]: For program point L892(lines 892 2907) no Hoare annotation was computed. [2021-08-29 10:56:15,066 INFO L858 garLoopResultBuilder]: For program point L1883(lines 1883 2755) no Hoare annotation was computed. [2021-08-29 10:56:15,066 INFO L858 garLoopResultBuilder]: For program point L1817(lines 1817 2765) no Hoare annotation was computed. [2021-08-29 10:56:15,066 INFO L858 garLoopResultBuilder]: For program point L2148(lines 2148 2714) no Hoare annotation was computed. [2021-08-29 10:56:15,067 INFO L858 garLoopResultBuilder]: For program point L1025(lines 1025 2887) no Hoare annotation was computed. [2021-08-29 10:56:15,067 INFO L858 garLoopResultBuilder]: For program point L959(lines 959 2897) no Hoare annotation was computed. [2021-08-29 10:56:15,067 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-08-29 10:56:15,067 INFO L858 garLoopResultBuilder]: For program point L2413(lines 2413 2673) no Hoare annotation was computed. [2021-08-29 10:56:15,067 INFO L858 garLoopResultBuilder]: For program point L1290(lines 1290 2846) no Hoare annotation was computed. [2021-08-29 10:56:15,067 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-29 10:56:15,073 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 10:56:15,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 10:56:15 BoogieIcfgContainer [2021-08-29 10:56:15,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 10:56:15,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 10:56:15,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 10:56:15,103 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 10:56:15,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:55:59" (3/4) ... [2021-08-29 10:56:15,106 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 10:56:15,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-08-29 10:56:15,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 10:56:15,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 10:56:15,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 10:56:15,318 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 10:56:15,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 10:56:15,319 INFO L158 Benchmark]: Toolchain (without parser) took 17107.17ms. Allocated memory was 65.0MB in the beginning and 144.7MB in the end (delta: 79.7MB). Free memory was 44.1MB in the beginning and 78.1MB in the end (delta: -34.0MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2021-08-29 10:56:15,320 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 10:56:15,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.26ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 44.0MB in the beginning and 42.1MB in the end (delta: 1.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-08-29 10:56:15,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.25ms. Allocated memory is still 81.8MB. Free memory was 41.8MB in the beginning and 58.4MB in the end (delta: -16.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-08-29 10:56:15,323 INFO L158 Benchmark]: Boogie Preprocessor took 78.77ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 54.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 10:56:15,324 INFO L158 Benchmark]: RCFGBuilder took 704.85ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 54.2MB in the beginning and 54.1MB in the end (delta: 58.4kB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2021-08-29 10:56:15,324 INFO L158 Benchmark]: TraceAbstraction took 15368.65ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 53.5MB in the beginning and 43.1MB in the end (delta: 10.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2021-08-29 10:56:15,324 INFO L158 Benchmark]: Witness Printer took 215.95ms. Allocated memory is still 144.7MB. Free memory was 43.1MB in the beginning and 78.1MB in the end (delta: -35.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 10:56:15,331 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.26ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 44.0MB in the beginning and 42.1MB in the end (delta: 1.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.25ms. Allocated memory is still 81.8MB. Free memory was 41.8MB in the beginning and 58.4MB in the end (delta: -16.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.77ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 54.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 704.85ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 54.2MB in the beginning and 54.1MB in the end (delta: 58.4kB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * TraceAbstraction took 15368.65ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 53.5MB in the beginning and 43.1MB in the end (delta: 10.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 215.95ms. Allocated memory is still 144.7MB. Free memory was 43.1MB in the beginning and 78.1MB in the end (delta: -35.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 76]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 105]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 117]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 145]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 173]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 207]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 219]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 255]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2616]: 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, 304 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 15277.64ms, OverallIterations: 21, TraceHistogramMax: 1, EmptinessCheckTime: 29.21ms, AutomataDifference: 11225.09ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 187.54ms, InitialAbstractionConstructionTime: 18.12ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5700 SdHoareTripleChecker+Valid, 10472.12ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5700 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 8187.62ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5366 mSDsCounter, 1415 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22344 IncrementalHoareTripleChecker+Invalid, 23759 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1415 mSolverCounterUnsat, 0 mSDtfsCounter, 22344 mSolverCounterSat, 56.02ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1616.45ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=0, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 196.13ms AutomataMinimizationTime, 21 MinimizatonAttempts, 150 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 18 NumberOfFragments, 53 HoareAnnotationTreeSize, 7 FomulaSimplifications, 14555 FormulaSimplificationTreeSizeReduction, 46.86ms HoareSimplificationTime, 7 FomulaSimplificationsInter, 2017 FormulaSimplificationTreeSizeReductionInter, 134.36ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 85.49ms SsaConstructionTime, 473.56ms SatisfiabilityAnalysisTime, 2769.07ms InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 723 ConstructedInterpolants, 0 QuantifiedInterpolants, 2529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 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 16 specifications checked. All of them hold - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((main__t <= main__tagbuf_len && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((main__t < main__tagbuf_len && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: main__t < main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 2591]: Loop Invariant Derived loop invariant: main__t < main__tagbuf_len && 59 <= main__t RESULT: Ultimate proved your program to be correct! [2021-08-29 10:56:15,367 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...