./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC --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 0.2.0-7b2dab5 [2021-10-11 00:32:42,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:32:42,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:32:42,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:32:42,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:32:42,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:32:42,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:32:42,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:32:42,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:32:42,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:32:42,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:32:42,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:32:42,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:32:42,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:32:42,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:32:42,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:32:42,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:32:42,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:32:42,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:32:42,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:32:42,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:32:42,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:32:42,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:32:42,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:32:42,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:32:42,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:32:42,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:32:42,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:32:42,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:32:42,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:32:42,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:32:42,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:32:42,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:32:42,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:32:42,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:32:42,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:32:42,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:32:42,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:32:42,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:32:42,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:32:42,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:32:42,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:32:42,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:32:42,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:32:42,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:32:42,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:32:42,891 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:32:42,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:32:42,891 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:32:42,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:32:42,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:32:42,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:32:42,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:32:42,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:32:42,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:32:42,900 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:32:42,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:32:42,901 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:32:42,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:32:42,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:32:42,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:32:42,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:32:42,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:42,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:32:42,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:32:42,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:32:42,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:32:42,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:32:42,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:32:42,904 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:32:42,904 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f777bc0851fa1e32aaa7ec1f7505f1f2e0a2d51 [2021-10-11 00:32:43,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:43,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:43,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:43,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:43,312 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:43,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2021-10-11 00:32:43,410 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/data/fd66d0764/858c61e607cf4c33b5728306eb528771/FLAG0bd9b1c5a [2021-10-11 00:32:44,100 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:44,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2021-10-11 00:32:44,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/data/fd66d0764/858c61e607cf4c33b5728306eb528771/FLAG0bd9b1c5a [2021-10-11 00:32:44,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/data/fd66d0764/858c61e607cf4c33b5728306eb528771 [2021-10-11 00:32:44,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:44,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:44,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:44,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:44,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:44,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:44" (1/1) ... [2021-10-11 00:32:44,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26bc3ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:44, skipping insertion in model container [2021-10-11 00:32:44,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:44" (1/1) ... [2021-10-11 00:32:44,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:44,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:44,718 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2021-10-11 00:32:44,726 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2021-10-11 00:32:44,742 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2021-10-11 00:32:44,744 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2021-10-11 00:32:44,748 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2021-10-11 00:32:44,752 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2021-10-11 00:32:44,757 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2021-10-11 00:32:44,761 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2021-10-11 00:32:44,767 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2021-10-11 00:32:44,773 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2021-10-11 00:32:44,780 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2021-10-11 00:32:44,784 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2021-10-11 00:32:44,788 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2021-10-11 00:32:44,790 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2021-10-11 00:32:45,331 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2021-10-11 00:32:45,341 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2021-10-11 00:32:45,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:45,383 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:45,398 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2021-10-11 00:32:45,399 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2021-10-11 00:32:45,400 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2021-10-11 00:32:45,410 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2021-10-11 00:32:45,412 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2021-10-11 00:32:45,419 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2021-10-11 00:32:45,421 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2021-10-11 00:32:45,426 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2021-10-11 00:32:45,431 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2021-10-11 00:32:45,432 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2021-10-11 00:32:45,435 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2021-10-11 00:32:45,436 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2021-10-11 00:32:45,438 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2021-10-11 00:32:45,441 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2021-10-11 00:32:45,682 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2021-10-11 00:32:45,687 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2021-10-11 00:32:45,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:45,718 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:45,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45 WrapperNode [2021-10-11 00:32:45,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:45,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:45,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:45,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:45,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:45,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:45,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:45,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:45,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:45,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:45,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:45,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:45,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:32:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:47,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:47,693 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-11 00:32:47,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:47 BoogieIcfgContainer [2021-10-11 00:32:47,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:47,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:32:47,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:32:47,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:32:47,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:44" (1/3) ... [2021-10-11 00:32:47,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111807d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:47, skipping insertion in model container [2021-10-11 00:32:47,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (2/3) ... [2021-10-11 00:32:47,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111807d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:47, skipping insertion in model container [2021-10-11 00:32:47,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:47" (3/3) ... [2021-10-11 00:32:47,706 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2021-10-11 00:32:47,721 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:32:47,726 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2021-10-11 00:32:47,738 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-10-11 00:32:47,766 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:32:47,767 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:32:47,767 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:32:47,767 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:47,767 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:47,768 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:32:47,768 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:47,768 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:32:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2021-10-11 00:32:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 00:32:47,797 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:47,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:47,799 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:47,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:47,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1804934597, now seen corresponding path program 1 times [2021-10-11 00:32:47,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:47,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280840014] [2021-10-11 00:32:47,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:48,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280840014] [2021-10-11 00:32:48,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:48,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:48,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431068541] [2021-10-11 00:32:48,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:48,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:48,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:48,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:48,092 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 4 states. [2021-10-11 00:32:48,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:48,975 INFO L93 Difference]: Finished difference Result 315 states and 573 transitions. [2021-10-11 00:32:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:32:48,984 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2021-10-11 00:32:48,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:48,999 INFO L225 Difference]: With dead ends: 315 [2021-10-11 00:32:48,999 INFO L226 Difference]: Without dead ends: 298 [2021-10-11 00:32:49,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:49,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-10-11 00:32:49,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2021-10-11 00:32:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-10-11 00:32:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 421 transitions. [2021-10-11 00:32:49,065 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 421 transitions. Word has length 7 [2021-10-11 00:32:49,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:49,065 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 421 transitions. [2021-10-11 00:32:49,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 421 transitions. [2021-10-11 00:32:49,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 00:32:49,066 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:49,066 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:49,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:32:49,067 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:49,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:49,068 INFO L82 PathProgramCache]: Analyzing trace with hash 118401710, now seen corresponding path program 1 times [2021-10-11 00:32:49,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:49,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903508498] [2021-10-11 00:32:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:49,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903508498] [2021-10-11 00:32:49,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:49,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:49,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426354904] [2021-10-11 00:32:49,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:49,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:49,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:49,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:49,193 INFO L87 Difference]: Start difference. First operand 298 states and 421 transitions. Second operand 5 states. [2021-10-11 00:32:49,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:49,667 INFO L93 Difference]: Finished difference Result 305 states and 428 transitions. [2021-10-11 00:32:49,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:32:49,668 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2021-10-11 00:32:49,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:49,671 INFO L225 Difference]: With dead ends: 305 [2021-10-11 00:32:49,672 INFO L226 Difference]: Without dead ends: 300 [2021-10-11 00:32:49,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:49,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-10-11 00:32:49,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 293. [2021-10-11 00:32:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2021-10-11 00:32:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2021-10-11 00:32:49,696 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 8 [2021-10-11 00:32:49,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:49,696 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2021-10-11 00:32:49,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2021-10-11 00:32:49,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 00:32:49,697 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:49,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:49,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:32:49,698 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:49,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:49,699 INFO L82 PathProgramCache]: Analyzing trace with hash 137513629, now seen corresponding path program 1 times [2021-10-11 00:32:49,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:49,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386910175] [2021-10-11 00:32:49,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:49,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386910175] [2021-10-11 00:32:49,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:49,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:49,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233042141] [2021-10-11 00:32:49,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:49,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:49,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:49,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:49,755 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand 4 states. [2021-10-11 00:32:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:50,243 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2021-10-11 00:32:50,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:32:50,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2021-10-11 00:32:50,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:50,246 INFO L225 Difference]: With dead ends: 293 [2021-10-11 00:32:50,247 INFO L226 Difference]: Without dead ends: 291 [2021-10-11 00:32:50,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:50,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-10-11 00:32:50,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2021-10-11 00:32:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2021-10-11 00:32:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2021-10-11 00:32:50,264 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 8 [2021-10-11 00:32:50,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:50,265 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2021-10-11 00:32:50,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2021-10-11 00:32:50,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 00:32:50,266 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:50,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:50,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:32:50,267 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:50,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:50,267 INFO L82 PathProgramCache]: Analyzing trace with hash -32040723, now seen corresponding path program 1 times [2021-10-11 00:32:50,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:50,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192772627] [2021-10-11 00:32:50,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:50,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192772627] [2021-10-11 00:32:50,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:50,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:50,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327181853] [2021-10-11 00:32:50,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:50,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:50,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:50,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:50,322 INFO L87 Difference]: Start difference. First operand 291 states and 354 transitions. Second operand 4 states. [2021-10-11 00:32:50,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:50,684 INFO L93 Difference]: Finished difference Result 296 states and 359 transitions. [2021-10-11 00:32:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:50,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2021-10-11 00:32:50,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:50,686 INFO L225 Difference]: With dead ends: 296 [2021-10-11 00:32:50,686 INFO L226 Difference]: Without dead ends: 294 [2021-10-11 00:32:50,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:50,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-11 00:32:50,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2021-10-11 00:32:50,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2021-10-11 00:32:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2021-10-11 00:32:50,700 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 9 [2021-10-11 00:32:50,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:50,701 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2021-10-11 00:32:50,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2021-10-11 00:32:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 00:32:50,702 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:50,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:50,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:32:50,702 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:50,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:50,703 INFO L82 PathProgramCache]: Analyzing trace with hash -726236111, now seen corresponding path program 1 times [2021-10-11 00:32:50,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:50,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202004851] [2021-10-11 00:32:50,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:50,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202004851] [2021-10-11 00:32:50,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:50,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:50,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698329341] [2021-10-11 00:32:50,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:50,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:50,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:50,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:50,764 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand 5 states. [2021-10-11 00:32:51,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:51,329 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2021-10-11 00:32:51,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:51,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 00:32:51,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:51,333 INFO L225 Difference]: With dead ends: 294 [2021-10-11 00:32:51,333 INFO L226 Difference]: Without dead ends: 292 [2021-10-11 00:32:51,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:51,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-10-11 00:32:51,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-10-11 00:32:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-10-11 00:32:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2021-10-11 00:32:51,345 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 11 [2021-10-11 00:32:51,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:51,345 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2021-10-11 00:32:51,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2021-10-11 00:32:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:32:51,346 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:51,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:51,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:32:51,352 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:51,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:51,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1038478869, now seen corresponding path program 1 times [2021-10-11 00:32:51,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:51,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736457275] [2021-10-11 00:32:51,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:51,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736457275] [2021-10-11 00:32:51,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:51,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:51,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869580005] [2021-10-11 00:32:51,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:51,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:51,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:51,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:51,466 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand 4 states. [2021-10-11 00:32:51,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:51,850 INFO L93 Difference]: Finished difference Result 292 states and 355 transitions. [2021-10-11 00:32:51,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:32:51,851 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2021-10-11 00:32:51,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:51,853 INFO L225 Difference]: With dead ends: 292 [2021-10-11 00:32:51,853 INFO L226 Difference]: Without dead ends: 288 [2021-10-11 00:32:51,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:51,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2021-10-11 00:32:51,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2021-10-11 00:32:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2021-10-11 00:32:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2021-10-11 00:32:51,864 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 12 [2021-10-11 00:32:51,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:51,865 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2021-10-11 00:32:51,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2021-10-11 00:32:51,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 00:32:51,866 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:51,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:51,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:32:51,867 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:51,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:51,867 INFO L82 PathProgramCache]: Analyzing trace with hash -242777879, now seen corresponding path program 1 times [2021-10-11 00:32:51,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:51,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510442170] [2021-10-11 00:32:51,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:52,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510442170] [2021-10-11 00:32:52,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:52,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:32:52,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190120200] [2021-10-11 00:32:52,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:32:52,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:52,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:32:52,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:52,015 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand 6 states. [2021-10-11 00:32:52,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:52,550 INFO L93 Difference]: Finished difference Result 316 states and 381 transitions. [2021-10-11 00:32:52,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:32:52,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2021-10-11 00:32:52,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:52,553 INFO L225 Difference]: With dead ends: 316 [2021-10-11 00:32:52,553 INFO L226 Difference]: Without dead ends: 314 [2021-10-11 00:32:52,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:32:52,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-10-11 00:32:52,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 288. [2021-10-11 00:32:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2021-10-11 00:32:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2021-10-11 00:32:52,564 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 13 [2021-10-11 00:32:52,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:52,565 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2021-10-11 00:32:52,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:32:52,565 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2021-10-11 00:32:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 00:32:52,566 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:52,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:52,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:32:52,567 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:52,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:52,567 INFO L82 PathProgramCache]: Analyzing trace with hash -2112927996, now seen corresponding path program 1 times [2021-10-11 00:32:52,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:52,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445136094] [2021-10-11 00:32:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:52,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445136094] [2021-10-11 00:32:52,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:52,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:52,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346021100] [2021-10-11 00:32:52,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:52,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:52,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:52,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:52,701 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand 5 states. [2021-10-11 00:32:53,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:53,309 INFO L93 Difference]: Finished difference Result 308 states and 373 transitions. [2021-10-11 00:32:53,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:53,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-10-11 00:32:53,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:53,313 INFO L225 Difference]: With dead ends: 308 [2021-10-11 00:32:53,313 INFO L226 Difference]: Without dead ends: 306 [2021-10-11 00:32:53,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:53,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-11 00:32:53,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2021-10-11 00:32:53,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2021-10-11 00:32:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2021-10-11 00:32:53,325 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 13 [2021-10-11 00:32:53,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:53,325 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2021-10-11 00:32:53,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2021-10-11 00:32:53,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 00:32:53,332 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:53,332 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:53,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:32:53,333 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:53,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:53,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2111204092, now seen corresponding path program 1 times [2021-10-11 00:32:53,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:53,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368285159] [2021-10-11 00:32:53,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:53,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:53,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368285159] [2021-10-11 00:32:53,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:53,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:53,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850709154] [2021-10-11 00:32:53,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:53,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:53,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:53,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:53,440 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand 5 states. [2021-10-11 00:32:54,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:54,031 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2021-10-11 00:32:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:54,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-10-11 00:32:54,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:54,034 INFO L225 Difference]: With dead ends: 289 [2021-10-11 00:32:54,034 INFO L226 Difference]: Without dead ends: 287 [2021-10-11 00:32:54,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:54,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-10-11 00:32:54,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 284. [2021-10-11 00:32:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2021-10-11 00:32:54,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2021-10-11 00:32:54,056 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 13 [2021-10-11 00:32:54,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:54,056 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2021-10-11 00:32:54,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:54,056 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2021-10-11 00:32:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 00:32:54,059 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:54,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:54,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:32:54,060 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:54,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:54,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1076254322, now seen corresponding path program 1 times [2021-10-11 00:32:54,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:54,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427237096] [2021-10-11 00:32:54,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:54,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427237096] [2021-10-11 00:32:54,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:54,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:32:54,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364157362] [2021-10-11 00:32:54,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:32:54,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:54,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:32:54,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:54,211 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand 6 states. [2021-10-11 00:32:54,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:54,692 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2021-10-11 00:32:54,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:32:54,692 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2021-10-11 00:32:54,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:54,694 INFO L225 Difference]: With dead ends: 322 [2021-10-11 00:32:54,695 INFO L226 Difference]: Without dead ends: 320 [2021-10-11 00:32:54,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:32:54,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-10-11 00:32:54,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 292. [2021-10-11 00:32:54,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-10-11 00:32:54,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2021-10-11 00:32:54,707 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 14 [2021-10-11 00:32:54,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:54,707 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2021-10-11 00:32:54,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:32:54,707 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2021-10-11 00:32:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 00:32:54,711 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:54,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:54,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:32:54,712 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:54,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:54,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1074707177, now seen corresponding path program 1 times [2021-10-11 00:32:54,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:54,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004937862] [2021-10-11 00:32:54,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:54,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004937862] [2021-10-11 00:32:54,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:54,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:54,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897761735] [2021-10-11 00:32:54,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:54,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:54,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:54,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:54,786 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand 5 states. [2021-10-11 00:32:55,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:55,344 INFO L93 Difference]: Finished difference Result 312 states and 379 transitions. [2021-10-11 00:32:55,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:55,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2021-10-11 00:32:55,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:55,346 INFO L225 Difference]: With dead ends: 312 [2021-10-11 00:32:55,346 INFO L226 Difference]: Without dead ends: 310 [2021-10-11 00:32:55,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:55,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-10-11 00:32:55,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 290. [2021-10-11 00:32:55,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2021-10-11 00:32:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 355 transitions. [2021-10-11 00:32:55,356 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 355 transitions. Word has length 14 [2021-10-11 00:32:55,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:55,356 INFO L481 AbstractCegarLoop]: Abstraction has 290 states and 355 transitions. [2021-10-11 00:32:55,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 355 transitions. [2021-10-11 00:32:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 00:32:55,357 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:55,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:55,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:32:55,358 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:55,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:55,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1022813242, now seen corresponding path program 1 times [2021-10-11 00:32:55,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:55,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832137684] [2021-10-11 00:32:55,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:55,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832137684] [2021-10-11 00:32:55,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:55,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:32:55,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445821259] [2021-10-11 00:32:55,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:32:55,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:55,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:32:55,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:55,502 INFO L87 Difference]: Start difference. First operand 290 states and 355 transitions. Second operand 6 states. [2021-10-11 00:32:56,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:56,015 INFO L93 Difference]: Finished difference Result 300 states and 365 transitions. [2021-10-11 00:32:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:32:56,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2021-10-11 00:32:56,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:56,018 INFO L225 Difference]: With dead ends: 300 [2021-10-11 00:32:56,018 INFO L226 Difference]: Without dead ends: 296 [2021-10-11 00:32:56,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:32:56,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-10-11 00:32:56,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 291. [2021-10-11 00:32:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2021-10-11 00:32:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2021-10-11 00:32:56,028 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 14 [2021-10-11 00:32:56,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:56,030 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2021-10-11 00:32:56,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:32:56,031 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2021-10-11 00:32:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-11 00:32:56,032 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:56,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:56,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:32:56,032 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:56,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:56,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1043820030, now seen corresponding path program 1 times [2021-10-11 00:32:56,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:56,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125491636] [2021-10-11 00:32:56,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:56,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125491636] [2021-10-11 00:32:56,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:56,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:32:56,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190066259] [2021-10-11 00:32:56,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:32:56,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:56,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:32:56,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:56,142 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand 6 states. [2021-10-11 00:32:56,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:56,656 INFO L93 Difference]: Finished difference Result 317 states and 384 transitions. [2021-10-11 00:32:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:32:56,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2021-10-11 00:32:56,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:56,659 INFO L225 Difference]: With dead ends: 317 [2021-10-11 00:32:56,659 INFO L226 Difference]: Without dead ends: 315 [2021-10-11 00:32:56,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:32:56,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-10-11 00:32:56,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 294. [2021-10-11 00:32:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2021-10-11 00:32:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 359 transitions. [2021-10-11 00:32:56,669 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 359 transitions. Word has length 15 [2021-10-11 00:32:56,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:56,670 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 359 transitions. [2021-10-11 00:32:56,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:32:56,671 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 359 transitions. [2021-10-11 00:32:56,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:32:56,671 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:56,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:56,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:32:56,672 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:56,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:56,672 INFO L82 PathProgramCache]: Analyzing trace with hash 806842801, now seen corresponding path program 1 times [2021-10-11 00:32:56,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:56,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300990555] [2021-10-11 00:32:56,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:56,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:56,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300990555] [2021-10-11 00:32:56,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:56,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:56,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865412287] [2021-10-11 00:32:56,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:56,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:56,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:56,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:56,724 INFO L87 Difference]: Start difference. First operand 294 states and 359 transitions. Second operand 4 states. [2021-10-11 00:32:56,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:56,945 INFO L93 Difference]: Finished difference Result 294 states and 359 transitions. [2021-10-11 00:32:56,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:32:56,946 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2021-10-11 00:32:56,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:56,948 INFO L225 Difference]: With dead ends: 294 [2021-10-11 00:32:56,948 INFO L226 Difference]: Without dead ends: 292 [2021-10-11 00:32:56,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:56,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-10-11 00:32:56,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-10-11 00:32:56,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-10-11 00:32:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2021-10-11 00:32:56,960 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 16 [2021-10-11 00:32:56,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:56,960 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2021-10-11 00:32:56,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:56,961 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2021-10-11 00:32:56,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:32:56,961 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:56,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:56,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 00:32:56,962 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:56,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:56,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1029635725, now seen corresponding path program 1 times [2021-10-11 00:32:56,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:56,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744850032] [2021-10-11 00:32:56,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:57,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:57,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744850032] [2021-10-11 00:32:57,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:57,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:32:57,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846001539] [2021-10-11 00:32:57,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:32:57,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:57,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:32:57,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:57,027 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand 6 states. [2021-10-11 00:32:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:57,559 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2021-10-11 00:32:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:32:57,559 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2021-10-11 00:32:57,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:57,561 INFO L225 Difference]: With dead ends: 292 [2021-10-11 00:32:57,562 INFO L226 Difference]: Without dead ends: 290 [2021-10-11 00:32:57,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:32:57,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-11 00:32:57,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2021-10-11 00:32:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-10-11 00:32:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2021-10-11 00:32:57,574 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 17 [2021-10-11 00:32:57,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:57,574 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2021-10-11 00:32:57,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:32:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2021-10-11 00:32:57,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:32:57,575 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:57,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:57,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-11 00:32:57,577 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:57,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:57,578 INFO L82 PathProgramCache]: Analyzing trace with hash -757672814, now seen corresponding path program 1 times [2021-10-11 00:32:57,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:57,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213819854] [2021-10-11 00:32:57,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:57,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213819854] [2021-10-11 00:32:57,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:57,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:57,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216932893] [2021-10-11 00:32:57,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:57,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:57,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:57,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:57,638 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand 4 states. [2021-10-11 00:32:57,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:57,927 INFO L93 Difference]: Finished difference Result 287 states and 352 transitions. [2021-10-11 00:32:57,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:32:57,927 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2021-10-11 00:32:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:57,929 INFO L225 Difference]: With dead ends: 287 [2021-10-11 00:32:57,930 INFO L226 Difference]: Without dead ends: 283 [2021-10-11 00:32:57,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:57,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-10-11 00:32:57,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2021-10-11 00:32:57,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2021-10-11 00:32:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 348 transitions. [2021-10-11 00:32:57,939 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 348 transitions. Word has length 17 [2021-10-11 00:32:57,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:57,940 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 348 transitions. [2021-10-11 00:32:57,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 348 transitions. [2021-10-11 00:32:57,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:32:57,941 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:57,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:57,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-11 00:32:57,941 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:57,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:57,942 INFO L82 PathProgramCache]: Analyzing trace with hash -476651758, now seen corresponding path program 1 times [2021-10-11 00:32:57,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:57,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755884357] [2021-10-11 00:32:57,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:58,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755884357] [2021-10-11 00:32:58,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:58,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:32:58,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598629181] [2021-10-11 00:32:58,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:32:58,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:58,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:32:58,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:58,007 INFO L87 Difference]: Start difference. First operand 283 states and 348 transitions. Second operand 6 states. [2021-10-11 00:32:58,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:58,510 INFO L93 Difference]: Finished difference Result 297 states and 364 transitions. [2021-10-11 00:32:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:32:58,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2021-10-11 00:32:58,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:58,512 INFO L225 Difference]: With dead ends: 297 [2021-10-11 00:32:58,512 INFO L226 Difference]: Without dead ends: 295 [2021-10-11 00:32:58,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:32:58,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-11 00:32:58,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 279. [2021-10-11 00:32:58,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2021-10-11 00:32:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 344 transitions. [2021-10-11 00:32:58,522 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 344 transitions. Word has length 18 [2021-10-11 00:32:58,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:58,523 INFO L481 AbstractCegarLoop]: Abstraction has 279 states and 344 transitions. [2021-10-11 00:32:58,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:32:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 344 transitions. [2021-10-11 00:32:58,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:32:58,524 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:58,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:58,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-11 00:32:58,524 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:58,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:58,525 INFO L82 PathProgramCache]: Analyzing trace with hash -423210678, now seen corresponding path program 1 times [2021-10-11 00:32:58,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:58,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338107408] [2021-10-11 00:32:58,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:58,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:58,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338107408] [2021-10-11 00:32:58,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:58,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:32:58,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149213329] [2021-10-11 00:32:58,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:32:58,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:58,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:32:58,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:58,590 INFO L87 Difference]: Start difference. First operand 279 states and 344 transitions. Second operand 6 states. [2021-10-11 00:32:59,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:59,045 INFO L93 Difference]: Finished difference Result 279 states and 344 transitions. [2021-10-11 00:32:59,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:59,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2021-10-11 00:32:59,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:59,047 INFO L225 Difference]: With dead ends: 279 [2021-10-11 00:32:59,047 INFO L226 Difference]: Without dead ends: 275 [2021-10-11 00:32:59,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:32:59,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-10-11 00:32:59,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2021-10-11 00:32:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2021-10-11 00:32:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 340 transitions. [2021-10-11 00:32:59,057 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 340 transitions. Word has length 18 [2021-10-11 00:32:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:59,057 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 340 transitions. [2021-10-11 00:32:59,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:32:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 340 transitions. [2021-10-11 00:32:59,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:32:59,058 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:59,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:59,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-11 00:32:59,059 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:59,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:59,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1997901656, now seen corresponding path program 1 times [2021-10-11 00:32:59,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:59,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460137993] [2021-10-11 00:32:59,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:59,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460137993] [2021-10-11 00:32:59,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:59,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:32:59,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149259077] [2021-10-11 00:32:59,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:32:59,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:59,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:32:59,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:59,117 INFO L87 Difference]: Start difference. First operand 275 states and 340 transitions. Second operand 6 states. [2021-10-11 00:32:59,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:59,623 INFO L93 Difference]: Finished difference Result 284 states and 351 transitions. [2021-10-11 00:32:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:32:59,624 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2021-10-11 00:32:59,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:59,627 INFO L225 Difference]: With dead ends: 284 [2021-10-11 00:32:59,628 INFO L226 Difference]: Without dead ends: 250 [2021-10-11 00:32:59,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:32:59,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-10-11 00:32:59,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-10-11 00:32:59,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-10-11 00:32:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2021-10-11 00:32:59,636 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 18 [2021-10-11 00:32:59,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:59,636 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2021-10-11 00:32:59,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:32:59,636 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2021-10-11 00:32:59,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-11 00:32:59,644 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:59,645 INFO L422 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] [2021-10-11 00:32:59,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-11 00:32:59,646 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:59,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:59,646 INFO L82 PathProgramCache]: Analyzing trace with hash -707619029, now seen corresponding path program 1 times [2021-10-11 00:32:59,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:59,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548456943] [2021-10-11 00:32:59,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:01,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548456943] [2021-10-11 00:33:01,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:01,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2021-10-11 00:33:01,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566891776] [2021-10-11 00:33:01,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-10-11 00:33:01,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:01,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-10-11 00:33:01,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2021-10-11 00:33:01,698 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand 63 states. [2021-10-11 00:33:02,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:02,678 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2021-10-11 00:33:02,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-11 00:33:02,679 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 244 [2021-10-11 00:33:02,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:02,681 INFO L225 Difference]: With dead ends: 251 [2021-10-11 00:33:02,681 INFO L226 Difference]: Without dead ends: 249 [2021-10-11 00:33:02,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2021-10-11 00:33:02,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-10-11 00:33:02,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 248. [2021-10-11 00:33:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2021-10-11 00:33:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2021-10-11 00:33:02,689 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 244 [2021-10-11 00:33:02,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:02,690 INFO L481 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2021-10-11 00:33:02,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 63 states. [2021-10-11 00:33:02,690 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2021-10-11 00:33:02,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-10-11 00:33:02,693 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:02,694 INFO L422 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] [2021-10-11 00:33:02,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-11 00:33:02,694 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:02,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:02,695 INFO L82 PathProgramCache]: Analyzing trace with hash -461348049, now seen corresponding path program 1 times [2021-10-11 00:33:02,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:02,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507260244] [2021-10-11 00:33:02,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:03,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507260244] [2021-10-11 00:33:03,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:03,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:33:03,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822647451] [2021-10-11 00:33:03,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:33:03,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:03,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:33:03,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:33:03,715 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand 7 states. [2021-10-11 00:33:04,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:04,124 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2021-10-11 00:33:04,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:33:04,125 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2021-10-11 00:33:04,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:04,126 INFO L225 Difference]: With dead ends: 250 [2021-10-11 00:33:04,126 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:33:04,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:33:04,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:33:04,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:33:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:33:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:33:04,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2021-10-11 00:33:04,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:04,128 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:04,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:33:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:33:04,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:33:04,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-11 00:33:04,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point L1555(lines 1555 2805) no Hoare annotation was computed. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point L2546(lines 2546 2653) no Hoare annotation was computed. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point L2480(lines 2480 2663) no Hoare annotation was computed. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point L432(lines 432 2978) no Hoare annotation was computed. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 255) no Hoare annotation was computed. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point L697(lines 697 2937) no Hoare annotation was computed. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point L1688(lines 1688 2785) no Hoare annotation was computed. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point L1622(lines 1622 2795) no Hoare annotation was computed. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point L103(lines 103 125) no Hoare annotation was computed. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point L1953(lines 1953 2744) no Hoare annotation was computed. [2021-10-11 00:33:04,470 INFO L262 CegarLoopResult]: For program point L830(lines 830 2917) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L764(lines 764 2927) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L2614(lines 2614 2643) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L2218(lines 2218 2703) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L1095(lines 1095 2876) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L1360(lines 1360 2835) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L2351(lines 2351 2683) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L2285(lines 2285 2693) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L171(lines 171 193) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L2616(line 2616) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L502(lines 502 2967) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L1493(lines 1493 2815) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L1427(lines 1427 2825) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L1758(lines 1758 2774) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L635(lines 635 2947) no Hoare annotation was computed. [2021-10-11 00:33:04,471 INFO L262 CegarLoopResult]: For program point L569(lines 569 2957) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L265 CegarLoopResult]: At program point L2617(lines 16 3008) the Hoare annotation is: true [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L2023(lines 2023 2733) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L900(lines 900 2906) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L1165(lines 1165 2865) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L2156(lines 2156 2713) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L2090(lines 2090 2723) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L2421(lines 2421 2672) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L307(lines 307 2997) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L1298(lines 1298 2845) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L1232(lines 1232 2855) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L1563(lines 1563 2804) no Hoare annotation was computed. [2021-10-11 00:33:04,472 INFO L262 CegarLoopResult]: For program point L440(lines 440 2977) no Hoare annotation was computed. [2021-10-11 00:33:04,473 INFO L262 CegarLoopResult]: For program point L374(lines 374 2987) no Hoare annotation was computed. [2021-10-11 00:33:04,474 INFO L262 CegarLoopResult]: For program point L1828(lines 1828 2763) no Hoare annotation was computed. [2021-10-11 00:33:04,474 INFO L262 CegarLoopResult]: For program point L705(lines 705 2936) no Hoare annotation was computed. [2021-10-11 00:33:04,474 INFO L262 CegarLoopResult]: For program point L45(lines 45 55) no Hoare annotation was computed. [2021-10-11 00:33:04,474 INFO L262 CegarLoopResult]: For program point L970(lines 970 2895) no Hoare annotation was computed. [2021-10-11 00:33:04,475 INFO L262 CegarLoopResult]: For program point L1961(lines 1961 2743) no Hoare annotation was computed. [2021-10-11 00:33:04,475 INFO L262 CegarLoopResult]: For program point L1895(lines 1895 2753) no Hoare annotation was computed. [2021-10-11 00:33:04,475 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2021-10-11 00:33:04,475 INFO L262 CegarLoopResult]: For program point L2226(lines 2226 2702) no Hoare annotation was computed. [2021-10-11 00:33:04,476 INFO L262 CegarLoopResult]: For program point L1103(lines 1103 2875) no Hoare annotation was computed. [2021-10-11 00:33:04,476 INFO L262 CegarLoopResult]: For program point L1037(lines 1037 2885) no Hoare annotation was computed. [2021-10-11 00:33:04,476 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 2604) no Hoare annotation was computed. [2021-10-11 00:33:04,476 INFO L262 CegarLoopResult]: For program point L2623(lines 2623 2642) no Hoare annotation was computed. [2021-10-11 00:33:04,476 INFO L262 CegarLoopResult]: For program point L2491(lines 2491 2661) no Hoare annotation was computed. [2021-10-11 00:33:04,476 INFO L262 CegarLoopResult]: For program point L1368(lines 1368 2834) no Hoare annotation was computed. [2021-10-11 00:33:04,476 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-11 00:33:04,477 INFO L262 CegarLoopResult]: For program point L1633(lines 1633 2793) no Hoare annotation was computed. [2021-10-11 00:33:04,477 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2021-10-11 00:33:04,477 INFO L262 CegarLoopResult]: For program point L2558(lines 2558 2651) no Hoare annotation was computed. [2021-10-11 00:33:04,477 INFO L262 CegarLoopResult]: For program point L510(lines 510 2966) no Hoare annotation was computed. [2021-10-11 00:33:04,477 INFO L262 CegarLoopResult]: For program point L246(lines 246 281) no Hoare annotation was computed. [2021-10-11 00:33:04,477 INFO L262 CegarLoopResult]: For program point L775(lines 775 2925) no Hoare annotation was computed. [2021-10-11 00:33:04,477 INFO L262 CegarLoopResult]: For program point L1766(lines 1766 2773) no Hoare annotation was computed. [2021-10-11 00:33:04,477 INFO L262 CegarLoopResult]: For program point L1700(lines 1700 2783) no Hoare annotation was computed. [2021-10-11 00:33:04,478 INFO L258 CegarLoopResult]: At program point L2625(lines 25 3002) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~main__t~0) (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0)) [2021-10-11 00:33:04,478 INFO L262 CegarLoopResult]: For program point L115(lines 115 123) no Hoare annotation was computed. [2021-10-11 00:33:04,478 INFO L262 CegarLoopResult]: For program point L2031(lines 2031 2732) no Hoare annotation was computed. [2021-10-11 00:33:04,478 INFO L262 CegarLoopResult]: For program point L908(lines 908 2905) no Hoare annotation was computed. [2021-10-11 00:33:04,478 INFO L262 CegarLoopResult]: For program point L842(lines 842 2915) no Hoare annotation was computed. [2021-10-11 00:33:04,478 INFO L262 CegarLoopResult]: For program point L2296(lines 2296 2691) no Hoare annotation was computed. [2021-10-11 00:33:04,478 INFO L262 CegarLoopResult]: For program point L1173(lines 1173 2864) no Hoare annotation was computed. [2021-10-11 00:33:04,479 INFO L262 CegarLoopResult]: For program point L1438(lines 1438 2823) no Hoare annotation was computed. [2021-10-11 00:33:04,479 INFO L262 CegarLoopResult]: For program point L2429(lines 2429 2671) no Hoare annotation was computed. [2021-10-11 00:33:04,479 INFO L262 CegarLoopResult]: For program point L315(lines 315 2996) no Hoare annotation was computed. [2021-10-11 00:33:04,479 INFO L262 CegarLoopResult]: For program point L2363(lines 2363 2681) no Hoare annotation was computed. [2021-10-11 00:33:04,479 INFO L262 CegarLoopResult]: For program point L183(lines 183 191) no Hoare annotation was computed. [2021-10-11 00:33:04,479 INFO L262 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2021-10-11 00:33:04,479 INFO L262 CegarLoopResult]: For program point L580(lines 580 2955) no Hoare annotation was computed. [2021-10-11 00:33:04,479 INFO L262 CegarLoopResult]: For program point L1571(lines 1571 2803) no Hoare annotation was computed. [2021-10-11 00:33:04,479 INFO L262 CegarLoopResult]: For program point L1505(lines 1505 2813) no Hoare annotation was computed. [2021-10-11 00:33:04,480 INFO L262 CegarLoopResult]: For program point L1836(lines 1836 2762) no Hoare annotation was computed. [2021-10-11 00:33:04,480 INFO L262 CegarLoopResult]: For program point L713(lines 713 2935) no Hoare annotation was computed. [2021-10-11 00:33:04,480 INFO L262 CegarLoopResult]: For program point L647(lines 647 2945) no Hoare annotation was computed. [2021-10-11 00:33:04,481 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-11 00:33:04,481 INFO L262 CegarLoopResult]: For program point L2101(lines 2101 2721) no Hoare annotation was computed. [2021-10-11 00:33:04,481 INFO L262 CegarLoopResult]: For program point L978(lines 978 2894) no Hoare annotation was computed. [2021-10-11 00:33:04,481 INFO L262 CegarLoopResult]: For program point L1243(lines 1243 2853) no Hoare annotation was computed. [2021-10-11 00:33:04,481 INFO L262 CegarLoopResult]: For program point L2234(lines 2234 2701) no Hoare annotation was computed. [2021-10-11 00:33:04,481 INFO L262 CegarLoopResult]: For program point L2168(lines 2168 2711) no Hoare annotation was computed. [2021-10-11 00:33:04,481 INFO L262 CegarLoopResult]: For program point L2631(lines 2631 2641) no Hoare annotation was computed. [2021-10-11 00:33:04,481 INFO L262 CegarLoopResult]: For program point L2499(lines 2499 2660) no Hoare annotation was computed. [2021-10-11 00:33:04,482 INFO L262 CegarLoopResult]: For program point L385(lines 385 2985) no Hoare annotation was computed. [2021-10-11 00:33:04,482 INFO L262 CegarLoopResult]: For program point L1376(lines 1376 2833) no Hoare annotation was computed. [2021-10-11 00:33:04,482 INFO L262 CegarLoopResult]: For program point L1310(lines 1310 2843) no Hoare annotation was computed. [2021-10-11 00:33:04,482 INFO L262 CegarLoopResult]: For program point L253(lines 253 275) no Hoare annotation was computed. [2021-10-11 00:33:04,482 INFO L262 CegarLoopResult]: For program point L1641(lines 1641 2792) no Hoare annotation was computed. [2021-10-11 00:33:04,482 INFO L262 CegarLoopResult]: For program point L518(lines 518 2965) no Hoare annotation was computed. [2021-10-11 00:33:04,482 INFO L262 CegarLoopResult]: For program point L452(lines 452 2975) no Hoare annotation was computed. [2021-10-11 00:33:04,482 INFO L262 CegarLoopResult]: For program point L1906(lines 1906 2751) no Hoare annotation was computed. [2021-10-11 00:33:04,483 INFO L262 CegarLoopResult]: For program point L783(lines 783 2924) no Hoare annotation was computed. [2021-10-11 00:33:04,483 INFO L262 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2021-10-11 00:33:04,483 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 2883) no Hoare annotation was computed. [2021-10-11 00:33:04,483 INFO L262 CegarLoopResult]: For program point L2039(lines 2039 2731) no Hoare annotation was computed. [2021-10-11 00:33:04,483 INFO L262 CegarLoopResult]: For program point L1973(lines 1973 2741) no Hoare annotation was computed. [2021-10-11 00:33:04,483 INFO L258 CegarLoopResult]: At program point L2634(lines 64 3001) the Hoare annotation is: (let ((.cse0 (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0))) (or (and .cse0 (<= 1 ULTIMATE.start_main_~main__t~0)) (and .cse0 (= ULTIMATE.start_main_~main__t~0 0)))) [2021-10-11 00:33:04,483 INFO L262 CegarLoopResult]: For program point L2304(lines 2304 2690) no Hoare annotation was computed. [2021-10-11 00:33:04,483 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:33:04,484 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-10-11 00:33:04,484 INFO L262 CegarLoopResult]: For program point L1181(lines 1181 2863) no Hoare annotation was computed. [2021-10-11 00:33:04,484 INFO L262 CegarLoopResult]: For program point L1115(lines 1115 2873) no Hoare annotation was computed. [2021-10-11 00:33:04,484 INFO L262 CegarLoopResult]: For program point L2569(lines 2569 2649) no Hoare annotation was computed. [2021-10-11 00:33:04,484 INFO L262 CegarLoopResult]: For program point L1446(lines 1446 2822) no Hoare annotation was computed. [2021-10-11 00:33:04,484 INFO L262 CegarLoopResult]: For program point L323(lines 323 2995) no Hoare annotation was computed. [2021-10-11 00:33:04,484 INFO L262 CegarLoopResult]: For program point L1711(lines 1711 2781) no Hoare annotation was computed. [2021-10-11 00:33:04,484 INFO L262 CegarLoopResult]: For program point L588(lines 588 2954) no Hoare annotation was computed. [2021-10-11 00:33:04,485 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-11 00:33:04,485 INFO L262 CegarLoopResult]: For program point L853(lines 853 2913) no Hoare annotation was computed. [2021-10-11 00:33:04,485 INFO L262 CegarLoopResult]: For program point L1844(lines 1844 2761) no Hoare annotation was computed. [2021-10-11 00:33:04,485 INFO L262 CegarLoopResult]: For program point L1778(lines 1778 2771) no Hoare annotation was computed. [2021-10-11 00:33:04,485 INFO L262 CegarLoopResult]: For program point L2109(lines 2109 2720) no Hoare annotation was computed. [2021-10-11 00:33:04,485 INFO L262 CegarLoopResult]: For program point L986(lines 986 2893) no Hoare annotation was computed. [2021-10-11 00:33:04,485 INFO L262 CegarLoopResult]: For program point L920(lines 920 2903) no Hoare annotation was computed. [2021-10-11 00:33:04,485 INFO L262 CegarLoopResult]: For program point L2374(lines 2374 2679) no Hoare annotation was computed. [2021-10-11 00:33:04,486 INFO L262 CegarLoopResult]: For program point L1251(lines 1251 2852) no Hoare annotation was computed. [2021-10-11 00:33:04,486 INFO L262 CegarLoopResult]: For program point L1516(lines 1516 2811) no Hoare annotation was computed. [2021-10-11 00:33:04,486 INFO L262 CegarLoopResult]: For program point L2507(lines 2507 2659) no Hoare annotation was computed. [2021-10-11 00:33:04,486 INFO L262 CegarLoopResult]: For program point L393(lines 393 2984) no Hoare annotation was computed. [2021-10-11 00:33:04,486 INFO L262 CegarLoopResult]: For program point L2441(lines 2441 2669) no Hoare annotation was computed. [2021-10-11 00:33:04,486 INFO L262 CegarLoopResult]: For program point L658(lines 658 2943) no Hoare annotation was computed. [2021-10-11 00:33:04,486 INFO L262 CegarLoopResult]: For program point L1649(lines 1649 2791) no Hoare annotation was computed. [2021-10-11 00:33:04,486 INFO L258 CegarLoopResult]: 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)) [2021-10-11 00:33:04,487 INFO L262 CegarLoopResult]: For program point L1583(lines 1583 2801) no Hoare annotation was computed. [2021-10-11 00:33:04,487 INFO L262 CegarLoopResult]: For program point L64(lines 64 3001) no Hoare annotation was computed. [2021-10-11 00:33:04,487 INFO L262 CegarLoopResult]: For program point L1914(lines 1914 2750) no Hoare annotation was computed. [2021-10-11 00:33:04,487 INFO L262 CegarLoopResult]: For program point L791(lines 791 2923) no Hoare annotation was computed. [2021-10-11 00:33:04,487 INFO L262 CegarLoopResult]: For program point L725(lines 725 2933) no Hoare annotation was computed. [2021-10-11 00:33:04,487 INFO L262 CegarLoopResult]: For program point L2179(lines 2179 2709) no Hoare annotation was computed. [2021-10-11 00:33:04,487 INFO L262 CegarLoopResult]: For program point L1056(lines 1056 2882) no Hoare annotation was computed. [2021-10-11 00:33:04,487 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:33:04,488 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2021-10-11 00:33:04,488 INFO L262 CegarLoopResult]: For program point L1321(lines 1321 2841) no Hoare annotation was computed. [2021-10-11 00:33:04,488 INFO L262 CegarLoopResult]: For program point L2312(lines 2312 2689) no Hoare annotation was computed. [2021-10-11 00:33:04,488 INFO L262 CegarLoopResult]: For program point L2246(lines 2246 2699) no Hoare annotation was computed. [2021-10-11 00:33:04,488 INFO L262 CegarLoopResult]: For program point L132(lines 132 282) no Hoare annotation was computed. [2021-10-11 00:33:04,488 INFO L262 CegarLoopResult]: For program point L2577(lines 2577 2648) no Hoare annotation was computed. [2021-10-11 00:33:04,488 INFO L262 CegarLoopResult]: For program point L463(lines 463 2973) no Hoare annotation was computed. [2021-10-11 00:33:04,488 INFO L262 CegarLoopResult]: For program point L1454(lines 1454 2821) no Hoare annotation was computed. [2021-10-11 00:33:04,488 INFO L262 CegarLoopResult]: For program point L1388(lines 1388 2831) no Hoare annotation was computed. [2021-10-11 00:33:04,489 INFO L262 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2021-10-11 00:33:04,489 INFO L262 CegarLoopResult]: For program point L1719(lines 1719 2780) no Hoare annotation was computed. [2021-10-11 00:33:04,489 INFO L262 CegarLoopResult]: For program point L596(lines 596 2953) no Hoare annotation was computed. [2021-10-11 00:33:04,489 INFO L262 CegarLoopResult]: For program point L530(lines 530 2963) no Hoare annotation was computed. [2021-10-11 00:33:04,489 INFO L262 CegarLoopResult]: For program point L1984(lines 1984 2739) no Hoare annotation was computed. [2021-10-11 00:33:04,489 INFO L262 CegarLoopResult]: For program point L861(lines 861 2912) no Hoare annotation was computed. [2021-10-11 00:33:04,489 INFO L262 CegarLoopResult]: For program point L267(line 267) no Hoare annotation was computed. [2021-10-11 00:33:04,489 INFO L262 CegarLoopResult]: For program point L1126(lines 1126 2871) no Hoare annotation was computed. [2021-10-11 00:33:04,490 INFO L262 CegarLoopResult]: For program point L2117(lines 2117 2719) no Hoare annotation was computed. [2021-10-11 00:33:04,490 INFO L262 CegarLoopResult]: For program point L2051(lines 2051 2729) no Hoare annotation was computed. [2021-10-11 00:33:04,490 INFO L262 CegarLoopResult]: For program point L2382(lines 2382 2678) no Hoare annotation was computed. [2021-10-11 00:33:04,490 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 2851) no Hoare annotation was computed. [2021-10-11 00:33:04,490 INFO L262 CegarLoopResult]: For program point L1193(lines 1193 2861) no Hoare annotation was computed. [2021-10-11 00:33:04,490 INFO L262 CegarLoopResult]: For program point L136(lines 136 240) no Hoare annotation was computed. [2021-10-11 00:33:04,490 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2021-10-11 00:33:04,490 INFO L262 CegarLoopResult]: For program point L1524(lines 1524 2810) no Hoare annotation was computed. [2021-10-11 00:33:04,490 INFO L262 CegarLoopResult]: For program point L401(lines 401 2983) no Hoare annotation was computed. [2021-10-11 00:33:04,491 INFO L262 CegarLoopResult]: For program point L335(lines 335 2993) no Hoare annotation was computed. [2021-10-11 00:33:04,491 INFO L262 CegarLoopResult]: For program point L1789(lines 1789 2769) no Hoare annotation was computed. [2021-10-11 00:33:04,491 INFO L262 CegarLoopResult]: For program point L666(lines 666 2942) no Hoare annotation was computed. [2021-10-11 00:33:04,491 INFO L262 CegarLoopResult]: For program point L931(lines 931 2901) no Hoare annotation was computed. [2021-10-11 00:33:04,491 INFO L262 CegarLoopResult]: For program point L1922(lines 1922 2749) no Hoare annotation was computed. [2021-10-11 00:33:04,491 INFO L262 CegarLoopResult]: For program point L1856(lines 1856 2759) no Hoare annotation was computed. [2021-10-11 00:33:04,491 INFO L262 CegarLoopResult]: For program point L205(lines 205 229) no Hoare annotation was computed. [2021-10-11 00:33:04,491 INFO L262 CegarLoopResult]: For program point L2187(lines 2187 2708) no Hoare annotation was computed. [2021-10-11 00:33:04,492 INFO L262 CegarLoopResult]: For program point L1064(lines 1064 2881) no Hoare annotation was computed. [2021-10-11 00:33:04,492 INFO L262 CegarLoopResult]: For program point L998(lines 998 2891) no Hoare annotation was computed. [2021-10-11 00:33:04,492 INFO L262 CegarLoopResult]: For program point L2452(lines 2452 2667) no Hoare annotation was computed. [2021-10-11 00:33:04,492 INFO L262 CegarLoopResult]: For program point L1329(lines 1329 2840) no Hoare annotation was computed. [2021-10-11 00:33:04,492 INFO L262 CegarLoopResult]: For program point L74(lines 74 286) no Hoare annotation was computed. [2021-10-11 00:33:04,492 INFO L262 CegarLoopResult]: For program point L1594(lines 1594 2799) no Hoare annotation was computed. [2021-10-11 00:33:04,492 INFO L262 CegarLoopResult]: For program point L2585(lines 2585 2647) no Hoare annotation was computed. [2021-10-11 00:33:04,492 INFO L262 CegarLoopResult]: For program point L471(lines 471 2972) no Hoare annotation was computed. [2021-10-11 00:33:04,492 INFO L262 CegarLoopResult]: For program point L2519(lines 2519 2657) no Hoare annotation was computed. [2021-10-11 00:33:04,493 INFO L262 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2021-10-11 00:33:04,493 INFO L262 CegarLoopResult]: For program point L736(lines 736 2931) no Hoare annotation was computed. [2021-10-11 00:33:04,493 INFO L262 CegarLoopResult]: For program point L1727(lines 1727 2779) no Hoare annotation was computed. [2021-10-11 00:33:04,493 INFO L262 CegarLoopResult]: For program point L1661(lines 1661 2789) no Hoare annotation was computed. [2021-10-11 00:33:04,493 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2021-10-11 00:33:04,493 INFO L262 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-11 00:33:04,493 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2021-10-11 00:33:04,493 INFO L262 CegarLoopResult]: For program point L1992(lines 1992 2738) no Hoare annotation was computed. [2021-10-11 00:33:04,494 INFO L262 CegarLoopResult]: For program point L869(lines 869 2911) no Hoare annotation was computed. [2021-10-11 00:33:04,494 INFO L262 CegarLoopResult]: For program point L803(lines 803 2921) no Hoare annotation was computed. [2021-10-11 00:33:04,494 INFO L262 CegarLoopResult]: For program point L2257(lines 2257 2697) no Hoare annotation was computed. [2021-10-11 00:33:04,494 INFO L262 CegarLoopResult]: For program point L143(lines 143 234) no Hoare annotation was computed. [2021-10-11 00:33:04,494 INFO L262 CegarLoopResult]: For program point L1134(lines 1134 2870) no Hoare annotation was computed. [2021-10-11 00:33:04,494 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2021-10-11 00:33:04,494 INFO L262 CegarLoopResult]: For program point L1399(lines 1399 2829) no Hoare annotation was computed. [2021-10-11 00:33:04,494 INFO L262 CegarLoopResult]: For program point L2390(lines 2390 2677) no Hoare annotation was computed. [2021-10-11 00:33:04,495 INFO L262 CegarLoopResult]: For program point L2324(lines 2324 2687) no Hoare annotation was computed. [2021-10-11 00:33:04,495 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 2616) no Hoare annotation was computed. [2021-10-11 00:33:04,495 INFO L262 CegarLoopResult]: For program point L541(lines 541 2961) no Hoare annotation was computed. [2021-10-11 00:33:04,495 INFO L262 CegarLoopResult]: For program point L1532(lines 1532 2809) no Hoare annotation was computed. [2021-10-11 00:33:04,495 INFO L262 CegarLoopResult]: For program point L1466(lines 1466 2819) no Hoare annotation was computed. [2021-10-11 00:33:04,495 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-11 00:33:04,495 INFO L262 CegarLoopResult]: For program point L1797(lines 1797 2768) no Hoare annotation was computed. [2021-10-11 00:33:04,495 INFO L262 CegarLoopResult]: For program point L674(lines 674 2941) no Hoare annotation was computed. [2021-10-11 00:33:04,495 INFO L262 CegarLoopResult]: For program point L608(lines 608 2951) no Hoare annotation was computed. [2021-10-11 00:33:04,496 INFO L262 CegarLoopResult]: For program point L2062(lines 2062 2727) no Hoare annotation was computed. [2021-10-11 00:33:04,496 INFO L262 CegarLoopResult]: For program point L939(lines 939 2900) no Hoare annotation was computed. [2021-10-11 00:33:04,496 INFO L262 CegarLoopResult]: For program point L1204(lines 1204 2859) no Hoare annotation was computed. [2021-10-11 00:33:04,496 INFO L262 CegarLoopResult]: For program point L2195(lines 2195 2707) no Hoare annotation was computed. [2021-10-11 00:33:04,496 INFO L262 CegarLoopResult]: For program point L2129(lines 2129 2717) no Hoare annotation was computed. [2021-10-11 00:33:04,496 INFO L262 CegarLoopResult]: For program point L2460(lines 2460 2666) no Hoare annotation was computed. [2021-10-11 00:33:04,496 INFO L262 CegarLoopResult]: For program point L346(lines 346 2991) no Hoare annotation was computed. [2021-10-11 00:33:04,496 INFO L262 CegarLoopResult]: For program point L1337(lines 1337 2839) no Hoare annotation was computed. [2021-10-11 00:33:04,497 INFO L258 CegarLoopResult]: 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))) [2021-10-11 00:33:04,497 INFO L262 CegarLoopResult]: For program point L1271(lines 1271 2849) no Hoare annotation was computed. [2021-10-11 00:33:04,497 INFO L262 CegarLoopResult]: For program point L1602(lines 1602 2798) no Hoare annotation was computed. [2021-10-11 00:33:04,497 INFO L262 CegarLoopResult]: For program point L479(lines 479 2971) no Hoare annotation was computed. [2021-10-11 00:33:04,497 INFO L262 CegarLoopResult]: For program point L413(lines 413 2981) no Hoare annotation was computed. [2021-10-11 00:33:04,497 INFO L262 CegarLoopResult]: For program point L1867(lines 1867 2757) no Hoare annotation was computed. [2021-10-11 00:33:04,497 INFO L262 CegarLoopResult]: For program point L744(lines 744 2930) no Hoare annotation was computed. [2021-10-11 00:33:04,497 INFO L262 CegarLoopResult]: For program point L1009(lines 1009 2889) no Hoare annotation was computed. [2021-10-11 00:33:04,498 INFO L262 CegarLoopResult]: For program point L2000(lines 2000 2737) no Hoare annotation was computed. [2021-10-11 00:33:04,498 INFO L262 CegarLoopResult]: For program point L1934(lines 1934 2747) no Hoare annotation was computed. [2021-10-11 00:33:04,498 INFO L262 CegarLoopResult]: For program point L217(lines 217 227) no Hoare annotation was computed. [2021-10-11 00:33:04,498 INFO L262 CegarLoopResult]: For program point L2265(lines 2265 2696) no Hoare annotation was computed. [2021-10-11 00:33:04,498 INFO L262 CegarLoopResult]: For program point L1142(lines 1142 2869) no Hoare annotation was computed. [2021-10-11 00:33:04,498 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 2879) no Hoare annotation was computed. [2021-10-11 00:33:04,498 INFO L262 CegarLoopResult]: For program point L2530(lines 2530 2655) no Hoare annotation was computed. [2021-10-11 00:33:04,498 INFO L262 CegarLoopResult]: For program point L1407(lines 1407 2828) no Hoare annotation was computed. [2021-10-11 00:33:04,498 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:33:04,499 INFO L262 CegarLoopResult]: For program point L86(lines 86 284) no Hoare annotation was computed. [2021-10-11 00:33:04,499 INFO L262 CegarLoopResult]: For program point L1672(lines 1672 2787) no Hoare annotation was computed. [2021-10-11 00:33:04,499 INFO L262 CegarLoopResult]: For program point L549(lines 549 2960) no Hoare annotation was computed. [2021-10-11 00:33:04,499 INFO L262 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2021-10-11 00:33:04,499 INFO L262 CegarLoopResult]: For program point L21(lines 21 3007) no Hoare annotation was computed. [2021-10-11 00:33:04,499 INFO L262 CegarLoopResult]: For program point L814(lines 814 2919) no Hoare annotation was computed. [2021-10-11 00:33:04,499 INFO L262 CegarLoopResult]: For program point L1805(lines 1805 2767) no Hoare annotation was computed. [2021-10-11 00:33:04,499 INFO L262 CegarLoopResult]: For program point L1739(lines 1739 2777) no Hoare annotation was computed. [2021-10-11 00:33:04,500 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2021-10-11 00:33:04,500 INFO L262 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-11 00:33:04,500 INFO L262 CegarLoopResult]: For program point L2070(lines 2070 2726) no Hoare annotation was computed. [2021-10-11 00:33:04,500 INFO L262 CegarLoopResult]: For program point L947(lines 947 2899) no Hoare annotation was computed. [2021-10-11 00:33:04,500 INFO L262 CegarLoopResult]: For program point L881(lines 881 2909) no Hoare annotation was computed. [2021-10-11 00:33:04,500 INFO L262 CegarLoopResult]: For program point L2335(lines 2335 2685) no Hoare annotation was computed. [2021-10-11 00:33:04,500 INFO L262 CegarLoopResult]: For program point L1212(lines 1212 2858) no Hoare annotation was computed. [2021-10-11 00:33:04,501 INFO L262 CegarLoopResult]: For program point L155(lines 155 232) no Hoare annotation was computed. [2021-10-11 00:33:04,501 INFO L262 CegarLoopResult]: For program point L1477(lines 1477 2817) no Hoare annotation was computed. [2021-10-11 00:33:04,501 INFO L262 CegarLoopResult]: For program point L2468(lines 2468 2665) no Hoare annotation was computed. [2021-10-11 00:33:04,501 INFO L262 CegarLoopResult]: For program point L2402(lines 2402 2675) no Hoare annotation was computed. [2021-10-11 00:33:04,502 INFO L262 CegarLoopResult]: For program point L354(lines 354 2990) no Hoare annotation was computed. [2021-10-11 00:33:04,502 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2021-10-11 00:33:04,502 INFO L262 CegarLoopResult]: For program point L619(lines 619 2949) no Hoare annotation was computed. [2021-10-11 00:33:04,505 INFO L262 CegarLoopResult]: For program point L1610(lines 1610 2797) no Hoare annotation was computed. [2021-10-11 00:33:04,505 INFO L262 CegarLoopResult]: For program point L1544(lines 1544 2807) no Hoare annotation was computed. [2021-10-11 00:33:04,505 INFO L262 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-11 00:33:04,505 INFO L262 CegarLoopResult]: For program point L25(lines 25 3002) no Hoare annotation was computed. [2021-10-11 00:33:04,505 INFO L262 CegarLoopResult]: For program point L1875(lines 1875 2756) no Hoare annotation was computed. [2021-10-11 00:33:04,506 INFO L262 CegarLoopResult]: For program point L752(lines 752 2929) no Hoare annotation was computed. [2021-10-11 00:33:04,506 INFO L262 CegarLoopResult]: For program point L686(lines 686 2939) no Hoare annotation was computed. [2021-10-11 00:33:04,506 INFO L262 CegarLoopResult]: For program point L2602(lines 2602 2645) no Hoare annotation was computed. [2021-10-11 00:33:04,506 INFO L262 CegarLoopResult]: For program point L2140(lines 2140 2715) no Hoare annotation was computed. [2021-10-11 00:33:04,506 INFO L262 CegarLoopResult]: For program point L1017(lines 1017 2888) no Hoare annotation was computed. [2021-10-11 00:33:04,506 INFO L262 CegarLoopResult]: For program point L1282(lines 1282 2847) no Hoare annotation was computed. [2021-10-11 00:33:04,506 INFO L262 CegarLoopResult]: For program point L2273(lines 2273 2695) no Hoare annotation was computed. [2021-10-11 00:33:04,506 INFO L262 CegarLoopResult]: For program point L2207(lines 2207 2705) no Hoare annotation was computed. [2021-10-11 00:33:04,507 INFO L262 CegarLoopResult]: For program point L2604(line 2604) no Hoare annotation was computed. [2021-10-11 00:33:04,507 INFO L262 CegarLoopResult]: For program point L2538(lines 2538 2654) no Hoare annotation was computed. [2021-10-11 00:33:04,507 INFO L262 CegarLoopResult]: For program point L424(lines 424 2979) no Hoare annotation was computed. [2021-10-11 00:33:04,507 INFO L262 CegarLoopResult]: For program point L1415(lines 1415 2827) no Hoare annotation was computed. [2021-10-11 00:33:04,507 INFO L262 CegarLoopResult]: For program point L1349(lines 1349 2837) no Hoare annotation was computed. [2021-10-11 00:33:04,509 INFO L258 CegarLoopResult]: At program point L226(lines 92 284) the Hoare annotation is: (and (<= 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)) (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0)) [2021-10-11 00:33:04,509 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:33:04,509 INFO L262 CegarLoopResult]: For program point L1680(lines 1680 2786) no Hoare annotation was computed. [2021-10-11 00:33:04,510 INFO L262 CegarLoopResult]: For program point L557(lines 557 2959) no Hoare annotation was computed. [2021-10-11 00:33:04,510 INFO L262 CegarLoopResult]: For program point L491(lines 491 2969) no Hoare annotation was computed. [2021-10-11 00:33:04,510 INFO L262 CegarLoopResult]: For program point L1945(lines 1945 2745) no Hoare annotation was computed. [2021-10-11 00:33:04,510 INFO L262 CegarLoopResult]: For program point L822(lines 822 2918) no Hoare annotation was computed. [2021-10-11 00:33:04,510 INFO L262 CegarLoopResult]: For program point L1087(lines 1087 2877) no Hoare annotation was computed. [2021-10-11 00:33:04,510 INFO L262 CegarLoopResult]: For program point L2078(lines 2078 2725) no Hoare annotation was computed. [2021-10-11 00:33:04,510 INFO L262 CegarLoopResult]: For program point L2012(lines 2012 2735) no Hoare annotation was computed. [2021-10-11 00:33:04,510 INFO L262 CegarLoopResult]: For program point L2343(lines 2343 2684) no Hoare annotation was computed. [2021-10-11 00:33:04,510 INFO L262 CegarLoopResult]: For program point L1220(lines 1220 2857) no Hoare annotation was computed. [2021-10-11 00:33:04,511 INFO L262 CegarLoopResult]: For program point L1154(lines 1154 2867) no Hoare annotation was computed. [2021-10-11 00:33:04,511 INFO L262 CegarLoopResult]: For program point L1485(lines 1485 2816) no Hoare annotation was computed. [2021-10-11 00:33:04,511 INFO L262 CegarLoopResult]: For program point L362(lines 362 2989) no Hoare annotation was computed. [2021-10-11 00:33:04,511 INFO L262 CegarLoopResult]: For program point L296(lines 296 2999) no Hoare annotation was computed. [2021-10-11 00:33:04,511 INFO L262 CegarLoopResult]: For program point L164(lines 164 231) no Hoare annotation was computed. [2021-10-11 00:33:04,511 INFO L262 CegarLoopResult]: For program point L1750(lines 1750 2775) no Hoare annotation was computed. [2021-10-11 00:33:04,511 INFO L262 CegarLoopResult]: For program point L627(lines 627 2948) no Hoare annotation was computed. [2021-10-11 00:33:04,511 INFO L262 CegarLoopResult]: For program point L33(lines 33 57) no Hoare annotation was computed. [2021-10-11 00:33:04,511 INFO L265 CegarLoopResult]: At program point L3006(lines 21 3007) the Hoare annotation is: true [2021-10-11 00:33:04,512 INFO L262 CegarLoopResult]: For program point L892(lines 892 2907) no Hoare annotation was computed. [2021-10-11 00:33:04,512 INFO L262 CegarLoopResult]: For program point L1883(lines 1883 2755) no Hoare annotation was computed. [2021-10-11 00:33:04,512 INFO L262 CegarLoopResult]: For program point L1817(lines 1817 2765) no Hoare annotation was computed. [2021-10-11 00:33:04,512 INFO L262 CegarLoopResult]: For program point L2148(lines 2148 2714) no Hoare annotation was computed. [2021-10-11 00:33:04,512 INFO L262 CegarLoopResult]: For program point L1025(lines 1025 2887) no Hoare annotation was computed. [2021-10-11 00:33:04,512 INFO L262 CegarLoopResult]: For program point L959(lines 959 2897) no Hoare annotation was computed. [2021-10-11 00:33:04,512 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-10-11 00:33:04,513 INFO L262 CegarLoopResult]: For program point L2413(lines 2413 2673) no Hoare annotation was computed. [2021-10-11 00:33:04,513 INFO L262 CegarLoopResult]: For program point L1290(lines 1290 2846) no Hoare annotation was computed. [2021-10-11 00:33:04,513 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-11 00:33:04,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:33:04 BoogieIcfgContainer [2021-10-11 00:33:04,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:33:04,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:33:04,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:33:04,537 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:33:04,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:47" (3/4) ... [2021-10-11 00:33:04,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:33:04,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-11 00:33:04,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:33:04,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:04,590 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:04,836 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddef5a23-a400-4731-afa3-ae8d7576e466/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:33:04,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:33:04,838 INFO L168 Benchmark]: Toolchain (without parser) took 20479.97 ms. Allocated memory was 98.6 MB in the beginning and 427.8 MB in the end (delta: 329.3 MB). Free memory was 63.1 MB in the beginning and 301.7 MB in the end (delta: -238.6 MB). Peak memory consumption was 92.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:04,839 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 98.6 MB. Free memory was 72.4 MB in the beginning and 72.3 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:04,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1361.21 ms. Allocated memory was 98.6 MB in the beginning and 142.6 MB in the end (delta: 44.0 MB). Free memory was 62.9 MB in the beginning and 89.6 MB in the end (delta: -26.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:04,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.24 ms. Allocated memory is still 142.6 MB. Free memory was 89.6 MB in the beginning and 83.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:04,841 INFO L168 Benchmark]: Boogie Preprocessor took 114.53 ms. Allocated memory is still 142.6 MB. Free memory was 83.3 MB in the beginning and 78.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:04,841 INFO L168 Benchmark]: RCFGBuilder took 1702.62 ms. Allocated memory is still 142.6 MB. Free memory was 78.4 MB in the beginning and 92.2 MB in the end (delta: -13.9 MB). Peak memory consumption was 48.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:04,841 INFO L168 Benchmark]: TraceAbstraction took 16838.30 ms. Allocated memory was 142.6 MB in the beginning and 427.8 MB in the end (delta: 285.2 MB). Free memory was 91.2 MB in the beginning and 330.4 MB in the end (delta: -239.2 MB). Peak memory consumption was 237.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:04,842 INFO L168 Benchmark]: Witness Printer took 300.10 ms. Allocated memory is still 427.8 MB. Free memory was 330.4 MB in the beginning and 301.7 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:04,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 98.6 MB. Free memory was 72.4 MB in the beginning and 72.3 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1361.21 ms. Allocated memory was 98.6 MB in the beginning and 142.6 MB in the end (delta: 44.0 MB). Free memory was 62.9 MB in the beginning and 89.6 MB in the end (delta: -26.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 155.24 ms. Allocated memory is still 142.6 MB. Free memory was 89.6 MB in the beginning and 83.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 114.53 ms. Allocated memory is still 142.6 MB. Free memory was 83.3 MB in the beginning and 78.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1702.62 ms. Allocated memory is still 142.6 MB. Free memory was 78.4 MB in the beginning and 92.2 MB in the end (delta: -13.9 MB). Peak memory consumption was 48.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16838.30 ms. Allocated memory was 142.6 MB in the beginning and 427.8 MB in the end (delta: 285.2 MB). Free memory was 91.2 MB in the beginning and 330.4 MB in the end (delta: -239.2 MB). Peak memory consumption was 237.9 MB. Max. memory is 16.1 GB. * Witness Printer took 300.10 ms. Allocated memory is still 427.8 MB. Free memory was 330.4 MB in the beginning and 301.7 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 173]: 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: 2616]: 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: 35]: 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: 255]: 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: 207]: 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: 267]: 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: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((1 <= main__t && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__t <= main__tagbuf_len - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 <= main__t && main__t <= main__tagbuf_len - 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: 64]: Loop Invariant Derived loop invariant: (main__t < main__tagbuf_len && 1 <= main__t) || (main__t < main__tagbuf_len && main__t == 0) - InvariantResult [Line: 2591]: Loop Invariant Derived loop invariant: main__t < main__tagbuf_len && 59 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 304 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.3s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4014 SDtfs, 9410 SDslu, 5246 SDs, 0 SdLazy, 11841 SolverSat, 2627 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 150 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 18 NumberOfFragments, 61 HoareAnnotationTreeSize, 7 FomulaSimplifications, 10592 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3890 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 723 ConstructedInterpolants, 0 QuantifiedInterpolants, 393055 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...