./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/config/TaipanReach.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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f5182ada4c25502e8c117aae65840c303a96073ec563a87f29fad662bee2286b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:56:52,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:56:52,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:56:52,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:56:52,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:56:52,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:56:52,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:56:52,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:56:52,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:56:52,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:56:52,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:56:52,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:56:52,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:56:52,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:56:52,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:56:52,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:56:52,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:56:52,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:56:52,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:56:52,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:56:52,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:56:52,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:56:52,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:56:52,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:56:52,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:56:52,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:56:52,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:56:52,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:56:52,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:56:52,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:56:52,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:56:52,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:56:52,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:56:52,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:56:52,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:56:52,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:56:52,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:56:52,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:56:52,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:56:52,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:56:52,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:56:52,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 13:56:52,811 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:56:52,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:56:52,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:56:52,813 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:56:52,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:56:52,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:56:52,814 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:56:52,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:56:52,814 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:56:52,815 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:56:52,816 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:56:52,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:56:52,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:56:52,816 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:56:52,817 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:56:52,817 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:56:52,817 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:56:52,817 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:56:52,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:56:52,819 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:56:52,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:56:52,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:56:52,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:56:52,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:56:52,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:56:52,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:56:52,820 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:56:52,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:56:52,820 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:56:52,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:56:52,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:56:52,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:56:52,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:56:52,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:56:52,822 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:56:52,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:56:52,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:56:52,823 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:56:52,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:56:52,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:56:52,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:56:52,823 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5182ada4c25502e8c117aae65840c303a96073ec563a87f29fad662bee2286b [2022-11-23 13:56:53,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:56:53,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:56:53,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:56:53,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:56:53,165 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:56:53,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2022-11-23 13:56:56,204 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:56:56,511 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:56:56,511 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2022-11-23 13:56:56,527 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/data/9e61448f8/3f30e82f765f4d588afb77feb9cb9f73/FLAG7de106ded [2022-11-23 13:56:56,547 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/data/9e61448f8/3f30e82f765f4d588afb77feb9cb9f73 [2022-11-23 13:56:56,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:56:56,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:56:56,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:56:56,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:56:56,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:56:56,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:56:56" (1/1) ... [2022-11-23 13:56:56,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2301ee26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:56, skipping insertion in model container [2022-11-23 13:56:56,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:56:56" (1/1) ... [2022-11-23 13:56:56,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:56:56,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:56:56,839 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2022-11-23 13:56:56,845 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2022-11-23 13:56:56,848 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2022-11-23 13:56:56,850 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2022-11-23 13:56:56,852 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2022-11-23 13:56:56,854 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2022-11-23 13:56:56,857 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2022-11-23 13:56:56,859 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2022-11-23 13:56:56,861 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2022-11-23 13:56:56,863 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2022-11-23 13:56:56,865 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2022-11-23 13:56:56,868 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2022-11-23 13:56:56,870 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2022-11-23 13:56:56,876 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2022-11-23 13:56:57,154 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2022-11-23 13:56:57,159 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2022-11-23 13:56:57,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:56:57,185 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:56:57,198 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2022-11-23 13:56:57,199 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2022-11-23 13:56:57,200 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2022-11-23 13:56:57,201 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2022-11-23 13:56:57,203 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2022-11-23 13:56:57,203 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2022-11-23 13:56:57,205 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2022-11-23 13:56:57,206 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2022-11-23 13:56:57,208 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2022-11-23 13:56:57,209 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2022-11-23 13:56:57,211 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2022-11-23 13:56:57,212 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2022-11-23 13:56:57,213 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2022-11-23 13:56:57,214 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2022-11-23 13:56:57,478 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2022-11-23 13:56:57,482 WARN L237 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_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2022-11-23 13:56:57,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:56:57,509 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:56:57,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57 WrapperNode [2022-11-23 13:56:57,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:56:57,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:56:57,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:56:57,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:56:57,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (1/1) ... [2022-11-23 13:56:57,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (1/1) ... [2022-11-23 13:56:57,666 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1692 [2022-11-23 13:56:57,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:56:57,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:56:57,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:56:57,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:56:57,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (1/1) ... [2022-11-23 13:56:57,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (1/1) ... [2022-11-23 13:56:57,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (1/1) ... [2022-11-23 13:56:57,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (1/1) ... [2022-11-23 13:56:57,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (1/1) ... [2022-11-23 13:56:57,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (1/1) ... [2022-11-23 13:56:57,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (1/1) ... [2022-11-23 13:56:57,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (1/1) ... [2022-11-23 13:56:57,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:56:57,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:56:57,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:56:57,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:56:57,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (1/1) ... [2022-11-23 13:56:57,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:56:57,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:56:57,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:56:57,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:56:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:56:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:56:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:56:57,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:56:58,125 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:56:58,127 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:56:59,564 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:56:59,615 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:56:59,615 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 13:56:59,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:56:59 BoogieIcfgContainer [2022-11-23 13:56:59,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:56:59,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:56:59,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:56:59,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:56:59,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:56:56" (1/3) ... [2022-11-23 13:56:59,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9f611e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:56:59, skipping insertion in model container [2022-11-23 13:56:59,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:57" (2/3) ... [2022-11-23 13:56:59,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9f611e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:56:59, skipping insertion in model container [2022-11-23 13:56:59,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:56:59" (3/3) ... [2022-11-23 13:56:59,641 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2022-11-23 13:56:59,664 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:56:59,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-23 13:56:59,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:56:59,766 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6512b5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:56:59,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-23 13:56:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 285 states have (on average 1.975438596491228) internal successors, (563), 301 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:56:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 13:56:59,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:56:59,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 13:56:59,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:56:59,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:56:59,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1144680186, now seen corresponding path program 1 times [2022-11-23 13:56:59,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:56:59,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231988338] [2022-11-23 13:56:59,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:56:59,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:56:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:00,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:00,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231988338] [2022-11-23 13:57:00,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231988338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:00,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:00,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:57:00,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060519041] [2022-11-23 13:57:00,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:00,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:57:00,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:00,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:57:00,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:57:00,233 INFO L87 Difference]: Start difference. First operand has 302 states, 285 states have (on average 1.975438596491228) internal successors, (563), 301 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:01,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:01,038 INFO L93 Difference]: Finished difference Result 310 states and 568 transitions. [2022-11-23 13:57:01,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:57:01,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-23 13:57:01,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:01,053 INFO L225 Difference]: With dead ends: 310 [2022-11-23 13:57:01,054 INFO L226 Difference]: Without dead ends: 297 [2022-11-23 13:57:01,057 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:01,061 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 485 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:01,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 445 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 13:57:01,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-11-23 13:57:01,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2022-11-23 13:57:01,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 282 states have (on average 1.4893617021276595) internal successors, (420), 296 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:01,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 420 transitions. [2022-11-23 13:57:01,121 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 420 transitions. Word has length 6 [2022-11-23 13:57:01,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:01,122 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 420 transitions. [2022-11-23 13:57:01,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:01,122 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 420 transitions. [2022-11-23 13:57:01,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 13:57:01,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:01,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:01,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:57:01,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:01,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:01,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1125351449, now seen corresponding path program 1 times [2022-11-23 13:57:01,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:01,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474951497] [2022-11-23 13:57:01,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:01,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:01,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:01,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474951497] [2022-11-23 13:57:01,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474951497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:01,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:01,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:57:01,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582885226] [2022-11-23 13:57:01,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:01,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:57:01,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:01,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:57:01,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:57:01,320 INFO L87 Difference]: Start difference. First operand 297 states and 420 transitions. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:01,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:01,873 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2022-11-23 13:57:01,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:57:01,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-23 13:57:01,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:01,875 INFO L225 Difference]: With dead ends: 304 [2022-11-23 13:57:01,875 INFO L226 Difference]: Without dead ends: 299 [2022-11-23 13:57:01,875 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:01,876 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 23 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:01,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 982 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:57:01,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-11-23 13:57:01,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 292. [2022-11-23 13:57:01,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 278 states have (on average 1.276978417266187) internal successors, (355), 291 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:01,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2022-11-23 13:57:01,899 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 7 [2022-11-23 13:57:01,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:01,900 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2022-11-23 13:57:01,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2022-11-23 13:57:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 13:57:01,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:01,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:01,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:57:01,901 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:01,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:01,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1144463368, now seen corresponding path program 1 times [2022-11-23 13:57:01,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:01,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362719268] [2022-11-23 13:57:01,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:01,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:01,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:01,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362719268] [2022-11-23 13:57:01,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362719268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:01,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:01,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:57:01,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174022722] [2022-11-23 13:57:01,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:01,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:57:01,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:01,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:57:01,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:57:01,966 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:02,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:02,414 INFO L93 Difference]: Finished difference Result 292 states and 355 transitions. [2022-11-23 13:57:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:57:02,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-23 13:57:02,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:02,416 INFO L225 Difference]: With dead ends: 292 [2022-11-23 13:57:02,416 INFO L226 Difference]: Without dead ends: 290 [2022-11-23 13:57:02,416 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:02,417 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 328 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:02,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 162 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 13:57:02,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-23 13:57:02,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2022-11-23 13:57:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 277 states have (on average 1.2743682310469313) internal successors, (353), 289 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:02,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2022-11-23 13:57:02,438 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 7 [2022-11-23 13:57:02,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:02,438 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2022-11-23 13:57:02,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2022-11-23 13:57:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 13:57:02,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:02,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:02,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:57:02,440 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:02,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:02,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1118630114, now seen corresponding path program 1 times [2022-11-23 13:57:02,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:02,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563625731] [2022-11-23 13:57:02,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:02,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:02,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:02,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563625731] [2022-11-23 13:57:02,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563625731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:02,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:02,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:57:02,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339481997] [2022-11-23 13:57:02,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:02,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:57:02,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:02,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:57:02,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:57:02,539 INFO L87 Difference]: Start difference. First operand 290 states and 353 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:02,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:02,895 INFO L93 Difference]: Finished difference Result 295 states and 358 transitions. [2022-11-23 13:57:02,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:57:02,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 13:57:02,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:02,898 INFO L225 Difference]: With dead ends: 295 [2022-11-23 13:57:02,898 INFO L226 Difference]: Without dead ends: 293 [2022-11-23 13:57:02,898 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:02,900 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 42 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:02,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 743 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 13:57:02,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2022-11-23 13:57:02,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2022-11-23 13:57:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 280 states have (on average 1.2714285714285714) internal successors, (356), 292 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2022-11-23 13:57:02,912 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 8 [2022-11-23 13:57:02,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:02,916 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2022-11-23 13:57:02,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2022-11-23 13:57:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 13:57:02,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:02,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:02,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:57:02,918 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:02,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:02,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1261843174, now seen corresponding path program 1 times [2022-11-23 13:57:02,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:02,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24210815] [2022-11-23 13:57:02,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:02,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:03,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:03,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:03,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24210815] [2022-11-23 13:57:03,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24210815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:03,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:03,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:57:03,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564100566] [2022-11-23 13:57:03,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:03,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:57:03,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:03,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:57:03,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:57:03,067 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:03,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:03,649 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2022-11-23 13:57:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:57:03,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-23 13:57:03,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:03,651 INFO L225 Difference]: With dead ends: 293 [2022-11-23 13:57:03,652 INFO L226 Difference]: Without dead ends: 291 [2022-11-23 13:57:03,652 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:03,653 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 287 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:03,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 273 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:57:03,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-11-23 13:57:03,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2022-11-23 13:57:03,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 279 states have (on average 1.2688172043010753) internal successors, (354), 290 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2022-11-23 13:57:03,661 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 10 [2022-11-23 13:57:03,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:03,662 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2022-11-23 13:57:03,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2022-11-23 13:57:03,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 13:57:03,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:03,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:03,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 13:57:03,663 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:03,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:03,664 INFO L85 PathProgramCache]: Analyzing trace with hash 462436822, now seen corresponding path program 1 times [2022-11-23 13:57:03,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:03,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107136037] [2022-11-23 13:57:03,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:03,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:03,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:03,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107136037] [2022-11-23 13:57:03,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107136037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:03,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:03,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:57:03,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80449828] [2022-11-23 13:57:03,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:03,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:57:03,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:03,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:57:03,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:57:03,768 INFO L87 Difference]: Start difference. First operand 291 states and 354 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:04,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:04,089 INFO L93 Difference]: Finished difference Result 291 states and 354 transitions. [2022-11-23 13:57:04,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:57:04,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 13:57:04,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:04,091 INFO L225 Difference]: With dead ends: 291 [2022-11-23 13:57:04,091 INFO L226 Difference]: Without dead ends: 287 [2022-11-23 13:57:04,091 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:04,092 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 12 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:04,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 762 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 13:57:04,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-23 13:57:04,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2022-11-23 13:57:04,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 276 states have (on average 1.2681159420289856) internal successors, (350), 286 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:04,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 350 transitions. [2022-11-23 13:57:04,116 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 350 transitions. Word has length 11 [2022-11-23 13:57:04,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:04,116 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 350 transitions. [2022-11-23 13:57:04,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 350 transitions. [2022-11-23 13:57:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 13:57:04,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:04,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:04,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 13:57:04,118 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:04,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:04,118 INFO L85 PathProgramCache]: Analyzing trace with hash -959031714, now seen corresponding path program 1 times [2022-11-23 13:57:04,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:04,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661054472] [2022-11-23 13:57:04,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:04,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:04,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:04,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661054472] [2022-11-23 13:57:04,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661054472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:04,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:04,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:57:04,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297735762] [2022-11-23 13:57:04,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:04,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:57:04,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:04,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:57:04,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:57:04,248 INFO L87 Difference]: Start difference. First operand 287 states and 350 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:04,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:04,886 INFO L93 Difference]: Finished difference Result 315 states and 380 transitions. [2022-11-23 13:57:04,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 13:57:04,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 13:57:04,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:04,888 INFO L225 Difference]: With dead ends: 315 [2022-11-23 13:57:04,888 INFO L226 Difference]: Without dead ends: 313 [2022-11-23 13:57:04,888 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:04,889 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 93 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:04,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 891 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 13:57:04,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2022-11-23 13:57:04,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 287. [2022-11-23 13:57:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 276 states have (on average 1.2681159420289856) internal successors, (350), 286 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:04,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 350 transitions. [2022-11-23 13:57:04,898 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 350 transitions. Word has length 12 [2022-11-23 13:57:04,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:04,898 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 350 transitions. [2022-11-23 13:57:04,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:04,899 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 350 transitions. [2022-11-23 13:57:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 13:57:04,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:04,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:04,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 13:57:04,900 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:04,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:04,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1465785465, now seen corresponding path program 1 times [2022-11-23 13:57:04,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:04,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966242013] [2022-11-23 13:57:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:04,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:04,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:04,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966242013] [2022-11-23 13:57:04,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966242013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:04,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:04,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:57:04,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795740961] [2022-11-23 13:57:04,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:04,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:57:04,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:04,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:57:04,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:57:04,958 INFO L87 Difference]: Start difference. First operand 287 states and 350 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:05,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:05,538 INFO L93 Difference]: Finished difference Result 307 states and 372 transitions. [2022-11-23 13:57:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:57:05,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 13:57:05,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:05,540 INFO L225 Difference]: With dead ends: 307 [2022-11-23 13:57:05,540 INFO L226 Difference]: Without dead ends: 305 [2022-11-23 13:57:05,540 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:05,541 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 305 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:05,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 281 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:57:05,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-11-23 13:57:05,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 285. [2022-11-23 13:57:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 275 states have (on average 1.2654545454545454) internal successors, (348), 284 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 348 transitions. [2022-11-23 13:57:05,549 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 348 transitions. Word has length 12 [2022-11-23 13:57:05,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:05,550 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 348 transitions. [2022-11-23 13:57:05,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 348 transitions. [2022-11-23 13:57:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 13:57:05,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:05,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:05,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 13:57:05,551 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:05,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:05,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1467509369, now seen corresponding path program 1 times [2022-11-23 13:57:05,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:05,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635917750] [2022-11-23 13:57:05,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:05,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:05,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:05,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:05,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635917750] [2022-11-23 13:57:05,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635917750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:05,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:05,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:57:05,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276814226] [2022-11-23 13:57:05,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:05,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:57:05,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:05,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:57:05,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:57:05,644 INFO L87 Difference]: Start difference. First operand 285 states and 348 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:06,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:06,188 INFO L93 Difference]: Finished difference Result 288 states and 351 transitions. [2022-11-23 13:57:06,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:57:06,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 13:57:06,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:06,190 INFO L225 Difference]: With dead ends: 288 [2022-11-23 13:57:06,190 INFO L226 Difference]: Without dead ends: 286 [2022-11-23 13:57:06,190 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:06,191 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 277 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:06,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 255 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:57:06,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-11-23 13:57:06,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2022-11-23 13:57:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 274 states have (on average 1.2627737226277371) internal successors, (346), 282 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:06,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 346 transitions. [2022-11-23 13:57:06,200 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 346 transitions. Word has length 12 [2022-11-23 13:57:06,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:06,200 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 346 transitions. [2022-11-23 13:57:06,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 346 transitions. [2022-11-23 13:57:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 13:57:06,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:06,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:06,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 13:57:06,202 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:06,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:06,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1805286727, now seen corresponding path program 1 times [2022-11-23 13:57:06,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:06,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629302963] [2022-11-23 13:57:06,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:06,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:06,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:06,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629302963] [2022-11-23 13:57:06,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629302963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:06,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:06,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:57:06,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184805838] [2022-11-23 13:57:06,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:06,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:57:06,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:06,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:57:06,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:57:06,336 INFO L87 Difference]: Start difference. First operand 283 states and 346 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:06,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:06,801 INFO L93 Difference]: Finished difference Result 321 states and 388 transitions. [2022-11-23 13:57:06,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 13:57:06,803 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-23 13:57:06,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:06,805 INFO L225 Difference]: With dead ends: 321 [2022-11-23 13:57:06,805 INFO L226 Difference]: Without dead ends: 319 [2022-11-23 13:57:06,805 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:06,806 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 58 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:06,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 837 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 13:57:06,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-11-23 13:57:06,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 291. [2022-11-23 13:57:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 282 states have (on average 1.2624113475177305) internal successors, (356), 290 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2022-11-23 13:57:06,823 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 13 [2022-11-23 13:57:06,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:06,825 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2022-11-23 13:57:06,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2022-11-23 13:57:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 13:57:06,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:06,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:06,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 13:57:06,834 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:06,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:06,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1803739582, now seen corresponding path program 1 times [2022-11-23 13:57:06,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:06,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367859601] [2022-11-23 13:57:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:06,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:06,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:06,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:06,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367859601] [2022-11-23 13:57:06,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367859601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:06,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:06,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:57:06,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158684633] [2022-11-23 13:57:06,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:06,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:57:06,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:06,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:57:06,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:57:06,907 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:07,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:07,475 INFO L93 Difference]: Finished difference Result 311 states and 378 transitions. [2022-11-23 13:57:07,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:57:07,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-23 13:57:07,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:07,477 INFO L225 Difference]: With dead ends: 311 [2022-11-23 13:57:07,477 INFO L226 Difference]: Without dead ends: 309 [2022-11-23 13:57:07,477 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:07,478 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 296 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:07,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 273 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:57:07,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-11-23 13:57:07,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 289. [2022-11-23 13:57:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 281 states have (on average 1.2597864768683273) internal successors, (354), 288 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:07,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 354 transitions. [2022-11-23 13:57:07,488 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 354 transitions. Word has length 13 [2022-11-23 13:57:07,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:07,488 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 354 transitions. [2022-11-23 13:57:07,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 354 transitions. [2022-11-23 13:57:07,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 13:57:07,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:07,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:07,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 13:57:07,490 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:07,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:07,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1751845647, now seen corresponding path program 1 times [2022-11-23 13:57:07,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:07,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322163442] [2022-11-23 13:57:07,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:07,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:07,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:07,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:07,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322163442] [2022-11-23 13:57:07,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322163442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:07,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:07,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:57:07,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376460053] [2022-11-23 13:57:07,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:07,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:57:07,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:07,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:57:07,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:57:07,617 INFO L87 Difference]: Start difference. First operand 289 states and 354 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:08,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:08,072 INFO L93 Difference]: Finished difference Result 299 states and 364 transitions. [2022-11-23 13:57:08,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:57:08,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-23 13:57:08,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:08,074 INFO L225 Difference]: With dead ends: 299 [2022-11-23 13:57:08,075 INFO L226 Difference]: Without dead ends: 295 [2022-11-23 13:57:08,075 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:08,076 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 29 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:08,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 802 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 13:57:08,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-11-23 13:57:08,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 290. [2022-11-23 13:57:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 282 states have (on average 1.2588652482269505) internal successors, (355), 289 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:08,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 355 transitions. [2022-11-23 13:57:08,085 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 355 transitions. Word has length 13 [2022-11-23 13:57:08,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:08,086 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 355 transitions. [2022-11-23 13:57:08,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 355 transitions. [2022-11-23 13:57:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 13:57:08,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:08,087 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:08,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 13:57:08,087 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:08,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:08,088 INFO L85 PathProgramCache]: Analyzing trace with hash -81348045, now seen corresponding path program 1 times [2022-11-23 13:57:08,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:08,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214021287] [2022-11-23 13:57:08,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:08,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:08,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:08,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214021287] [2022-11-23 13:57:08,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214021287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:08,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:08,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:57:08,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237202917] [2022-11-23 13:57:08,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:08,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:57:08,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:08,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:57:08,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:57:08,227 INFO L87 Difference]: Start difference. First operand 290 states and 355 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:08,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:08,731 INFO L93 Difference]: Finished difference Result 316 states and 383 transitions. [2022-11-23 13:57:08,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 13:57:08,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-23 13:57:08,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:08,733 INFO L225 Difference]: With dead ends: 316 [2022-11-23 13:57:08,734 INFO L226 Difference]: Without dead ends: 314 [2022-11-23 13:57:08,734 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:08,735 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 47 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:08,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 853 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:57:08,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-11-23 13:57:08,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 293. [2022-11-23 13:57:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 285 states have (on average 1.256140350877193) internal successors, (358), 292 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:08,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 358 transitions. [2022-11-23 13:57:08,748 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 358 transitions. Word has length 14 [2022-11-23 13:57:08,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:08,749 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 358 transitions. [2022-11-23 13:57:08,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 358 transitions. [2022-11-23 13:57:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 13:57:08,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:08,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:08,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 13:57:08,751 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:08,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:08,751 INFO L85 PathProgramCache]: Analyzing trace with hash 286370844, now seen corresponding path program 1 times [2022-11-23 13:57:08,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:08,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134391173] [2022-11-23 13:57:08,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:08,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:08,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:08,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134391173] [2022-11-23 13:57:08,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134391173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:08,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:08,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:57:08,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546152945] [2022-11-23 13:57:08,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:08,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:57:08,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:08,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:57:08,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:57:08,815 INFO L87 Difference]: Start difference. First operand 293 states and 358 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:09,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:09,034 INFO L93 Difference]: Finished difference Result 293 states and 358 transitions. [2022-11-23 13:57:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:57:09,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 13:57:09,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:09,038 INFO L225 Difference]: With dead ends: 293 [2022-11-23 13:57:09,038 INFO L226 Difference]: Without dead ends: 291 [2022-11-23 13:57:09,038 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:09,039 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 330 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:09,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 416 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 13:57:09,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-11-23 13:57:09,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2022-11-23 13:57:09,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 284 states have (on average 1.2535211267605635) internal successors, (356), 290 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:09,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2022-11-23 13:57:09,052 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 15 [2022-11-23 13:57:09,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:09,053 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2022-11-23 13:57:09,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:09,053 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2022-11-23 13:57:09,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 13:57:09,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:09,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:09,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 13:57:09,055 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:09,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:09,055 INFO L85 PathProgramCache]: Analyzing trace with hash 15602792, now seen corresponding path program 1 times [2022-11-23 13:57:09,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:09,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641080168] [2022-11-23 13:57:09,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:09,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:09,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:09,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641080168] [2022-11-23 13:57:09,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641080168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:09,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:09,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:57:09,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104754570] [2022-11-23 13:57:09,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:09,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:57:09,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:09,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:57:09,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:57:09,154 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:09,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:09,689 INFO L93 Difference]: Finished difference Result 291 states and 356 transitions. [2022-11-23 13:57:09,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:57:09,690 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 13:57:09,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:09,691 INFO L225 Difference]: With dead ends: 291 [2022-11-23 13:57:09,691 INFO L226 Difference]: Without dead ends: 289 [2022-11-23 13:57:09,692 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:09,692 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 702 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:09,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 150 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:57:09,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-11-23 13:57:09,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 286. [2022-11-23 13:57:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 280 states have (on average 1.2535714285714286) internal successors, (351), 285 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 351 transitions. [2022-11-23 13:57:09,704 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 351 transitions. Word has length 16 [2022-11-23 13:57:09,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:09,704 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 351 transitions. [2022-11-23 13:57:09,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:09,705 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 351 transitions. [2022-11-23 13:57:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 13:57:09,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:09,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:09,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 13:57:09,707 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:09,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:09,707 INFO L85 PathProgramCache]: Analyzing trace with hash 287565703, now seen corresponding path program 1 times [2022-11-23 13:57:09,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:09,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388482757] [2022-11-23 13:57:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:09,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:09,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:09,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388482757] [2022-11-23 13:57:09,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388482757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:09,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:09,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:57:09,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336032215] [2022-11-23 13:57:09,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:09,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:57:09,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:09,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:57:09,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:57:09,764 INFO L87 Difference]: Start difference. First operand 286 states and 351 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:10,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:10,060 INFO L93 Difference]: Finished difference Result 286 states and 351 transitions. [2022-11-23 13:57:10,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:57:10,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 13:57:10,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:10,062 INFO L225 Difference]: With dead ends: 286 [2022-11-23 13:57:10,062 INFO L226 Difference]: Without dead ends: 282 [2022-11-23 13:57:10,062 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:10,063 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 7 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:10,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 728 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 13:57:10,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-11-23 13:57:10,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-11-23 13:57:10,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 277 states have (on average 1.2527075812274369) internal successors, (347), 281 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:10,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 347 transitions. [2022-11-23 13:57:10,072 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 347 transitions. Word has length 16 [2022-11-23 13:57:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:10,073 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 347 transitions. [2022-11-23 13:57:10,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:10,073 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 347 transitions. [2022-11-23 13:57:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 13:57:10,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:10,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:10,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 13:57:10,074 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:10,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:10,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1860971197, now seen corresponding path program 1 times [2022-11-23 13:57:10,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:10,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605905118] [2022-11-23 13:57:10,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:10,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:10,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:10,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605905118] [2022-11-23 13:57:10,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605905118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:10,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:10,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:57:10,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439424759] [2022-11-23 13:57:10,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:10,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:57:10,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:10,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:57:10,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:57:10,185 INFO L87 Difference]: Start difference. First operand 282 states and 347 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:10,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:10,732 INFO L93 Difference]: Finished difference Result 296 states and 363 transitions. [2022-11-23 13:57:10,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:57:10,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-23 13:57:10,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:10,734 INFO L225 Difference]: With dead ends: 296 [2022-11-23 13:57:10,734 INFO L226 Difference]: Without dead ends: 294 [2022-11-23 13:57:10,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 13:57:10,736 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 487 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:10,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 158 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:57:10,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-11-23 13:57:10,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 278. [2022-11-23 13:57:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 274 states have (on average 1.2518248175182483) internal successors, (343), 277 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 343 transitions. [2022-11-23 13:57:10,746 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 343 transitions. Word has length 17 [2022-11-23 13:57:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:10,747 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 343 transitions. [2022-11-23 13:57:10,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 343 transitions. [2022-11-23 13:57:10,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 13:57:10,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:10,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:10,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-23 13:57:10,748 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:10,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:10,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1914412277, now seen corresponding path program 1 times [2022-11-23 13:57:10,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:10,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336596707] [2022-11-23 13:57:10,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:10,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:10,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:10,845 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:10,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336596707] [2022-11-23 13:57:10,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336596707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:10,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:10,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:57:10,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191587651] [2022-11-23 13:57:10,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:10,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:57:10,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:10,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:57:10,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:57:10,847 INFO L87 Difference]: Start difference. First operand 278 states and 343 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:11,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:11,391 INFO L93 Difference]: Finished difference Result 278 states and 343 transitions. [2022-11-23 13:57:11,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:57:11,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-23 13:57:11,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:11,396 INFO L225 Difference]: With dead ends: 278 [2022-11-23 13:57:11,396 INFO L226 Difference]: Without dead ends: 274 [2022-11-23 13:57:11,397 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:11,397 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 462 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:11,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 148 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:57:11,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2022-11-23 13:57:11,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2022-11-23 13:57:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 271 states have (on average 1.2509225092250922) internal successors, (339), 273 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 339 transitions. [2022-11-23 13:57:11,407 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 339 transitions. Word has length 17 [2022-11-23 13:57:11,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:11,407 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 339 transitions. [2022-11-23 13:57:11,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 339 transitions. [2022-11-23 13:57:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 13:57:11,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:11,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:11,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-23 13:57:11,408 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:11,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:11,409 INFO L85 PathProgramCache]: Analyzing trace with hash 339721299, now seen corresponding path program 1 times [2022-11-23 13:57:11,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:11,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534882108] [2022-11-23 13:57:11,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:11,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:11,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:11,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:11,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534882108] [2022-11-23 13:57:11,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534882108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:11,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:11,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:57:11,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380978519] [2022-11-23 13:57:11,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:11,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:57:11,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:11,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:57:11,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:57:11,511 INFO L87 Difference]: Start difference. First operand 274 states and 339 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:12,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:12,131 INFO L93 Difference]: Finished difference Result 283 states and 350 transitions. [2022-11-23 13:57:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:57:12,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-23 13:57:12,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:12,133 INFO L225 Difference]: With dead ends: 283 [2022-11-23 13:57:12,134 INFO L226 Difference]: Without dead ends: 249 [2022-11-23 13:57:12,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 13:57:12,135 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 466 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:12,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 148 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 13:57:12,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-23 13:57:12,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-11-23 13:57:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 247 states have (on average 1.008097165991903) internal successors, (249), 248 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:12,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2022-11-23 13:57:12,140 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 17 [2022-11-23 13:57:12,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:12,140 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2022-11-23 13:57:12,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2022-11-23 13:57:12,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-23 13:57:12,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:12,172 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:57:12,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-23 13:57:12,172 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:12,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:12,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1536774122, now seen corresponding path program 1 times [2022-11-23 13:57:12,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:12,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232250928] [2022-11-23 13:57:12,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:12,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:17,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:17,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232250928] [2022-11-23 13:57:17,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232250928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:17,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:17,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2022-11-23 13:57:17,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188998162] [2022-11-23 13:57:17,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:17,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-11-23 13:57:17,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:17,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-11-23 13:57:17,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2022-11-23 13:57:17,425 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand has 63 states, 63 states have (on average 3.857142857142857) internal successors, (243), 63 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:18,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:18,483 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2022-11-23 13:57:18,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-23 13:57:18,483 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 3.857142857142857) internal successors, (243), 63 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 243 [2022-11-23 13:57:18,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:18,485 INFO L225 Difference]: With dead ends: 250 [2022-11-23 13:57:18,485 INFO L226 Difference]: Without dead ends: 248 [2022-11-23 13:57:18,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2022-11-23 13:57:18,487 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 733 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 1931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:18,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 11 Invalid, 1931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 13:57:18,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-23 13:57:18,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 247. [2022-11-23 13:57:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 246 states have (on average 1.0040650406504066) internal successors, (247), 246 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2022-11-23 13:57:18,493 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 243 [2022-11-23 13:57:18,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:18,494 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2022-11-23 13:57:18,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.857142857142857) internal successors, (243), 63 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2022-11-23 13:57:18,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-23 13:57:18,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:18,498 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:57:18,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-23 13:57:18,498 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-23 13:57:18,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:18,499 INFO L85 PathProgramCache]: Analyzing trace with hash -395352156, now seen corresponding path program 1 times [2022-11-23 13:57:18,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:18,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087046874] [2022-11-23 13:57:18,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:18,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:19,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:19,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087046874] [2022-11-23 13:57:19,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087046874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:19,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:19,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:57:19,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914119306] [2022-11-23 13:57:19,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:19,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:57:19,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:19,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:57:19,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:57:19,401 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:19,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:19,937 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2022-11-23 13:57:19,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:57:19,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 244 [2022-11-23 13:57:19,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:19,941 INFO L225 Difference]: With dead ends: 249 [2022-11-23 13:57:19,941 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 13:57:19,942 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:19,943 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 426 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:19,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 5 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:57:19,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 13:57:19,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 13:57:19,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:19,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 13:57:19,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2022-11-23 13:57:19,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:19,945 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 13:57:19,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:57:19,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 13:57:19,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 13:57:19,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 16 remaining) [2022-11-23 13:57:19,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining) [2022-11-23 13:57:19,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (13 of 16 remaining) [2022-11-23 13:57:19,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining) [2022-11-23 13:57:19,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining) [2022-11-23 13:57:19,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining) [2022-11-23 13:57:19,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining) [2022-11-23 13:57:19,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2022-11-23 13:57:19,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining) [2022-11-23 13:57:19,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining) [2022-11-23 13:57:19,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining) [2022-11-23 13:57:19,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining) [2022-11-23 13:57:19,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining) [2022-11-23 13:57:19,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining) [2022-11-23 13:57:19,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining) [2022-11-23 13:57:19,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining) [2022-11-23 13:57:19,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-23 13:57:19,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 13:57:21,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2022-11-23 13:57:21,470 INFO L899 garLoopResultBuilder]: For program point L1555(lines 1555 2805) no Hoare annotation was computed. [2022-11-23 13:57:21,470 INFO L899 garLoopResultBuilder]: For program point L2546(lines 2546 2653) no Hoare annotation was computed. [2022-11-23 13:57:21,470 INFO L899 garLoopResultBuilder]: For program point L2480(lines 2480 2663) no Hoare annotation was computed. [2022-11-23 13:57:21,470 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 2978) no Hoare annotation was computed. [2022-11-23 13:57:21,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 255) no Hoare annotation was computed. [2022-11-23 13:57:21,470 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 2937) no Hoare annotation was computed. [2022-11-23 13:57:21,470 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 2785) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 2795) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 125) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L1953(lines 1953 2744) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 2917) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 2927) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L2614(lines 2614 2643) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L2218(lines 2218 2703) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L1095(lines 1095 2876) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 2835) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L2351(lines 2351 2683) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L2285(lines 2285 2693) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 193) no Hoare annotation was computed. [2022-11-23 13:57:21,471 INFO L899 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2022-11-23 13:57:21,472 INFO L899 garLoopResultBuilder]: For program point L2616(line 2616) no Hoare annotation was computed. [2022-11-23 13:57:21,472 INFO L899 garLoopResultBuilder]: For program point L502(lines 502 2967) no Hoare annotation was computed. [2022-11-23 13:57:21,472 INFO L899 garLoopResultBuilder]: For program point L1493(lines 1493 2815) no Hoare annotation was computed. [2022-11-23 13:57:21,472 INFO L899 garLoopResultBuilder]: For program point L1427(lines 1427 2825) no Hoare annotation was computed. [2022-11-23 13:57:21,472 INFO L899 garLoopResultBuilder]: For program point L1758(lines 1758 2774) no Hoare annotation was computed. [2022-11-23 13:57:21,472 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 2947) no Hoare annotation was computed. [2022-11-23 13:57:21,472 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 2957) no Hoare annotation was computed. [2022-11-23 13:57:21,472 INFO L902 garLoopResultBuilder]: At program point L2617(lines 16 3008) the Hoare annotation is: true [2022-11-23 13:57:21,472 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-23 13:57:21,472 INFO L899 garLoopResultBuilder]: For program point L2023(lines 2023 2733) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L900(lines 900 2906) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 2865) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L2156(lines 2156 2713) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L2090(lines 2090 2723) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L2421(lines 2421 2672) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 2997) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L1298(lines 1298 2845) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L1232(lines 1232 2855) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 2804) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 2977) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L374(lines 374 2987) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L1828(lines 1828 2763) no Hoare annotation was computed. [2022-11-23 13:57:21,473 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 2936) no Hoare annotation was computed. [2022-11-23 13:57:21,474 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 55) no Hoare annotation was computed. [2022-11-23 13:57:21,474 INFO L899 garLoopResultBuilder]: For program point L970(lines 970 2895) no Hoare annotation was computed. [2022-11-23 13:57:21,474 INFO L899 garLoopResultBuilder]: For program point L1961(lines 1961 2743) no Hoare annotation was computed. [2022-11-23 13:57:21,474 INFO L899 garLoopResultBuilder]: For program point L1895(lines 1895 2753) no Hoare annotation was computed. [2022-11-23 13:57:21,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2022-11-23 13:57:21,474 INFO L899 garLoopResultBuilder]: For program point L2226(lines 2226 2702) no Hoare annotation was computed. [2022-11-23 13:57:21,474 INFO L899 garLoopResultBuilder]: For program point L1103(lines 1103 2875) no Hoare annotation was computed. [2022-11-23 13:57:21,474 INFO L899 garLoopResultBuilder]: For program point L1037(lines 1037 2885) no Hoare annotation was computed. [2022-11-23 13:57:21,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 2604) no Hoare annotation was computed. [2022-11-23 13:57:21,474 INFO L899 garLoopResultBuilder]: For program point L2623(lines 2623 2642) no Hoare annotation was computed. [2022-11-23 13:57:21,474 INFO L899 garLoopResultBuilder]: For program point L2491(lines 2491 2661) no Hoare annotation was computed. [2022-11-23 13:57:21,475 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 2834) no Hoare annotation was computed. [2022-11-23 13:57:21,475 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-11-23 13:57:21,475 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 2793) no Hoare annotation was computed. [2022-11-23 13:57:21,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2022-11-23 13:57:21,475 INFO L899 garLoopResultBuilder]: For program point L2558(lines 2558 2651) no Hoare annotation was computed. [2022-11-23 13:57:21,475 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 2966) no Hoare annotation was computed. [2022-11-23 13:57:21,475 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 281) no Hoare annotation was computed. [2022-11-23 13:57:21,475 INFO L899 garLoopResultBuilder]: For program point L775(lines 775 2925) no Hoare annotation was computed. [2022-11-23 13:57:21,475 INFO L899 garLoopResultBuilder]: For program point L1766(lines 1766 2773) no Hoare annotation was computed. [2022-11-23 13:57:21,475 INFO L899 garLoopResultBuilder]: For program point L1700(lines 1700 2783) no Hoare annotation was computed. [2022-11-23 13:57:21,476 INFO L895 garLoopResultBuilder]: At program point L2625(lines 25 3002) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~main__t~0#1|) (<= |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|)) [2022-11-23 13:57:21,476 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 123) no Hoare annotation was computed. [2022-11-23 13:57:21,476 INFO L899 garLoopResultBuilder]: For program point L2031(lines 2031 2732) no Hoare annotation was computed. [2022-11-23 13:57:21,476 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 2905) no Hoare annotation was computed. [2022-11-23 13:57:21,476 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 2915) no Hoare annotation was computed. [2022-11-23 13:57:21,476 INFO L899 garLoopResultBuilder]: For program point L2296(lines 2296 2691) no Hoare annotation was computed. [2022-11-23 13:57:21,476 INFO L899 garLoopResultBuilder]: For program point L1173(lines 1173 2864) no Hoare annotation was computed. [2022-11-23 13:57:21,476 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 2823) no Hoare annotation was computed. [2022-11-23 13:57:21,476 INFO L899 garLoopResultBuilder]: For program point L2429(lines 2429 2671) no Hoare annotation was computed. [2022-11-23 13:57:21,476 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 2996) no Hoare annotation was computed. [2022-11-23 13:57:21,476 INFO L899 garLoopResultBuilder]: For program point L2363(lines 2363 2681) no Hoare annotation was computed. [2022-11-23 13:57:21,476 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 2955) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L1571(lines 1571 2803) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L1505(lines 1505 2813) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L1836(lines 1836 2762) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 2935) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L647(lines 647 2945) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L2101(lines 2101 2721) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L978(lines 978 2894) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L1243(lines 1243 2853) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L2234(lines 2234 2701) no Hoare annotation was computed. [2022-11-23 13:57:21,477 INFO L899 garLoopResultBuilder]: For program point L2168(lines 2168 2711) no Hoare annotation was computed. [2022-11-23 13:57:21,478 INFO L899 garLoopResultBuilder]: For program point L2631(lines 2631 2641) no Hoare annotation was computed. [2022-11-23 13:57:21,478 INFO L899 garLoopResultBuilder]: For program point L2499(lines 2499 2660) no Hoare annotation was computed. [2022-11-23 13:57:21,478 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 2985) no Hoare annotation was computed. [2022-11-23 13:57:21,478 INFO L899 garLoopResultBuilder]: For program point L1376(lines 1376 2833) no Hoare annotation was computed. [2022-11-23 13:57:21,478 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 2843) no Hoare annotation was computed. [2022-11-23 13:57:21,478 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 275) no Hoare annotation was computed. [2022-11-23 13:57:21,480 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 2792) no Hoare annotation was computed. [2022-11-23 13:57:21,480 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 2965) no Hoare annotation was computed. [2022-11-23 13:57:21,480 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 2975) no Hoare annotation was computed. [2022-11-23 13:57:21,480 INFO L899 garLoopResultBuilder]: For program point L1906(lines 1906 2751) no Hoare annotation was computed. [2022-11-23 13:57:21,480 INFO L899 garLoopResultBuilder]: For program point L783(lines 783 2924) no Hoare annotation was computed. [2022-11-23 13:57:21,480 INFO L899 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2022-11-23 13:57:21,481 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 2883) no Hoare annotation was computed. [2022-11-23 13:57:21,481 INFO L899 garLoopResultBuilder]: For program point L2039(lines 2039 2731) no Hoare annotation was computed. [2022-11-23 13:57:21,481 INFO L899 garLoopResultBuilder]: For program point L1973(lines 1973 2741) no Hoare annotation was computed. [2022-11-23 13:57:21,481 INFO L895 garLoopResultBuilder]: At program point L2634(lines 64 3001) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|))) (or (and (= |ULTIMATE.start_main_~main__t~0#1| 0) .cse0) (and (<= 1 |ULTIMATE.start_main_~main__t~0#1|) .cse0))) [2022-11-23 13:57:21,481 INFO L899 garLoopResultBuilder]: For program point L2304(lines 2304 2690) no Hoare annotation was computed. [2022-11-23 13:57:21,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 13:57:21,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2022-11-23 13:57:21,482 INFO L899 garLoopResultBuilder]: For program point L1181(lines 1181 2863) no Hoare annotation was computed. [2022-11-23 13:57:21,482 INFO L899 garLoopResultBuilder]: For program point L1115(lines 1115 2873) no Hoare annotation was computed. [2022-11-23 13:57:21,482 INFO L899 garLoopResultBuilder]: For program point L2569(lines 2569 2649) no Hoare annotation was computed. [2022-11-23 13:57:21,482 INFO L899 garLoopResultBuilder]: For program point L1446(lines 1446 2822) no Hoare annotation was computed. [2022-11-23 13:57:21,482 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 2995) no Hoare annotation was computed. [2022-11-23 13:57:21,482 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 2781) no Hoare annotation was computed. [2022-11-23 13:57:21,483 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 2954) no Hoare annotation was computed. [2022-11-23 13:57:21,483 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2022-11-23 13:57:21,483 INFO L899 garLoopResultBuilder]: For program point L853(lines 853 2913) no Hoare annotation was computed. [2022-11-23 13:57:21,483 INFO L899 garLoopResultBuilder]: For program point L1844(lines 1844 2761) no Hoare annotation was computed. [2022-11-23 13:57:21,483 INFO L899 garLoopResultBuilder]: For program point L1778(lines 1778 2771) no Hoare annotation was computed. [2022-11-23 13:57:21,483 INFO L899 garLoopResultBuilder]: For program point L2109(lines 2109 2720) no Hoare annotation was computed. [2022-11-23 13:57:21,483 INFO L899 garLoopResultBuilder]: For program point L986(lines 986 2893) no Hoare annotation was computed. [2022-11-23 13:57:21,484 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 2903) no Hoare annotation was computed. [2022-11-23 13:57:21,484 INFO L899 garLoopResultBuilder]: For program point L2374(lines 2374 2679) no Hoare annotation was computed. [2022-11-23 13:57:21,484 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 2852) no Hoare annotation was computed. [2022-11-23 13:57:21,484 INFO L899 garLoopResultBuilder]: For program point L1516(lines 1516 2811) no Hoare annotation was computed. [2022-11-23 13:57:21,484 INFO L899 garLoopResultBuilder]: For program point L2507(lines 2507 2659) no Hoare annotation was computed. [2022-11-23 13:57:21,484 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 2984) no Hoare annotation was computed. [2022-11-23 13:57:21,484 INFO L899 garLoopResultBuilder]: For program point L2441(lines 2441 2669) no Hoare annotation was computed. [2022-11-23 13:57:21,485 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 2943) no Hoare annotation was computed. [2022-11-23 13:57:21,485 INFO L899 garLoopResultBuilder]: For program point L1649(lines 1649 2791) no Hoare annotation was computed. [2022-11-23 13:57:21,485 INFO L895 garLoopResultBuilder]: At program point L2640(lines 2591 2647) the Hoare annotation is: (and (not (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| |ULTIMATE.start_main_~main__t~0#1|)) (<= 59 |ULTIMATE.start_main_~main__t~0#1|)) [2022-11-23 13:57:21,485 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 2801) no Hoare annotation was computed. [2022-11-23 13:57:21,485 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 3001) no Hoare annotation was computed. [2022-11-23 13:57:21,485 INFO L899 garLoopResultBuilder]: For program point L1914(lines 1914 2750) no Hoare annotation was computed. [2022-11-23 13:57:21,486 INFO L899 garLoopResultBuilder]: For program point L791(lines 791 2923) no Hoare annotation was computed. [2022-11-23 13:57:21,486 INFO L899 garLoopResultBuilder]: For program point L725(lines 725 2933) no Hoare annotation was computed. [2022-11-23 13:57:21,486 INFO L899 garLoopResultBuilder]: For program point L2179(lines 2179 2709) no Hoare annotation was computed. [2022-11-23 13:57:21,486 INFO L899 garLoopResultBuilder]: For program point L1056(lines 1056 2882) no Hoare annotation was computed. [2022-11-23 13:57:21,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2022-11-23 13:57:21,486 INFO L899 garLoopResultBuilder]: For program point L1321(lines 1321 2841) no Hoare annotation was computed. [2022-11-23 13:57:21,487 INFO L899 garLoopResultBuilder]: For program point L2312(lines 2312 2689) no Hoare annotation was computed. [2022-11-23 13:57:21,487 INFO L899 garLoopResultBuilder]: For program point L2246(lines 2246 2699) no Hoare annotation was computed. [2022-11-23 13:57:21,487 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 282) no Hoare annotation was computed. [2022-11-23 13:57:21,487 INFO L899 garLoopResultBuilder]: For program point L2577(lines 2577 2648) no Hoare annotation was computed. [2022-11-23 13:57:21,487 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 2973) no Hoare annotation was computed. [2022-11-23 13:57:21,487 INFO L899 garLoopResultBuilder]: For program point L1454(lines 1454 2821) no Hoare annotation was computed. [2022-11-23 13:57:21,487 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 2831) no Hoare annotation was computed. [2022-11-23 13:57:21,487 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 273) no Hoare annotation was computed. [2022-11-23 13:57:21,488 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 2780) no Hoare annotation was computed. [2022-11-23 13:57:21,488 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 2953) no Hoare annotation was computed. [2022-11-23 13:57:21,488 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 2963) no Hoare annotation was computed. [2022-11-23 13:57:21,488 INFO L899 garLoopResultBuilder]: For program point L1984(lines 1984 2739) no Hoare annotation was computed. [2022-11-23 13:57:21,488 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 2912) no Hoare annotation was computed. [2022-11-23 13:57:21,488 INFO L899 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2022-11-23 13:57:21,488 INFO L899 garLoopResultBuilder]: For program point L1126(lines 1126 2871) no Hoare annotation was computed. [2022-11-23 13:57:21,489 INFO L899 garLoopResultBuilder]: For program point L2117(lines 2117 2719) no Hoare annotation was computed. [2022-11-23 13:57:21,489 INFO L899 garLoopResultBuilder]: For program point L2051(lines 2051 2729) no Hoare annotation was computed. [2022-11-23 13:57:21,489 INFO L899 garLoopResultBuilder]: For program point L2382(lines 2382 2678) no Hoare annotation was computed. [2022-11-23 13:57:21,489 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 2851) no Hoare annotation was computed. [2022-11-23 13:57:21,489 INFO L899 garLoopResultBuilder]: For program point L1193(lines 1193 2861) no Hoare annotation was computed. [2022-11-23 13:57:21,489 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 240) no Hoare annotation was computed. [2022-11-23 13:57:21,489 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2022-11-23 13:57:21,490 INFO L899 garLoopResultBuilder]: For program point L1524(lines 1524 2810) no Hoare annotation was computed. [2022-11-23 13:57:21,490 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 2983) no Hoare annotation was computed. [2022-11-23 13:57:21,490 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 2993) no Hoare annotation was computed. [2022-11-23 13:57:21,490 INFO L899 garLoopResultBuilder]: For program point L1789(lines 1789 2769) no Hoare annotation was computed. [2022-11-23 13:57:21,490 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 2942) no Hoare annotation was computed. [2022-11-23 13:57:21,490 INFO L899 garLoopResultBuilder]: For program point L931(lines 931 2901) no Hoare annotation was computed. [2022-11-23 13:57:21,491 INFO L899 garLoopResultBuilder]: For program point L1922(lines 1922 2749) no Hoare annotation was computed. [2022-11-23 13:57:21,491 INFO L899 garLoopResultBuilder]: For program point L1856(lines 1856 2759) no Hoare annotation was computed. [2022-11-23 13:57:21,491 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 229) no Hoare annotation was computed. [2022-11-23 13:57:21,491 INFO L899 garLoopResultBuilder]: For program point L2187(lines 2187 2708) no Hoare annotation was computed. [2022-11-23 13:57:21,491 INFO L899 garLoopResultBuilder]: For program point L1064(lines 1064 2881) no Hoare annotation was computed. [2022-11-23 13:57:21,491 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 2891) no Hoare annotation was computed. [2022-11-23 13:57:21,491 INFO L899 garLoopResultBuilder]: For program point L2452(lines 2452 2667) no Hoare annotation was computed. [2022-11-23 13:57:21,492 INFO L899 garLoopResultBuilder]: For program point L1329(lines 1329 2840) no Hoare annotation was computed. [2022-11-23 13:57:21,492 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 286) no Hoare annotation was computed. [2022-11-23 13:57:21,492 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 2799) no Hoare annotation was computed. [2022-11-23 13:57:21,492 INFO L899 garLoopResultBuilder]: For program point L2585(lines 2585 2647) no Hoare annotation was computed. [2022-11-23 13:57:21,492 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 2972) no Hoare annotation was computed. [2022-11-23 13:57:21,492 INFO L899 garLoopResultBuilder]: For program point L2519(lines 2519 2657) no Hoare annotation was computed. [2022-11-23 13:57:21,492 INFO L899 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2022-11-23 13:57:21,493 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 2931) no Hoare annotation was computed. [2022-11-23 13:57:21,493 INFO L899 garLoopResultBuilder]: For program point L1727(lines 1727 2779) no Hoare annotation was computed. [2022-11-23 13:57:21,493 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 2789) no Hoare annotation was computed. [2022-11-23 13:57:21,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2022-11-23 13:57:21,493 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-11-23 13:57:21,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2022-11-23 13:57:21,493 INFO L899 garLoopResultBuilder]: For program point L1992(lines 1992 2738) no Hoare annotation was computed. [2022-11-23 13:57:21,494 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 2911) no Hoare annotation was computed. [2022-11-23 13:57:21,494 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 2921) no Hoare annotation was computed. [2022-11-23 13:57:21,494 INFO L899 garLoopResultBuilder]: For program point L2257(lines 2257 2697) no Hoare annotation was computed. [2022-11-23 13:57:21,494 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 234) no Hoare annotation was computed. [2022-11-23 13:57:21,494 INFO L899 garLoopResultBuilder]: For program point L1134(lines 1134 2870) no Hoare annotation was computed. [2022-11-23 13:57:21,494 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2022-11-23 13:57:21,494 INFO L899 garLoopResultBuilder]: For program point L1399(lines 1399 2829) no Hoare annotation was computed. [2022-11-23 13:57:21,495 INFO L899 garLoopResultBuilder]: For program point L2390(lines 2390 2677) no Hoare annotation was computed. [2022-11-23 13:57:21,495 INFO L899 garLoopResultBuilder]: For program point L2324(lines 2324 2687) no Hoare annotation was computed. [2022-11-23 13:57:21,495 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 2616) no Hoare annotation was computed. [2022-11-23 13:57:21,495 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 2961) no Hoare annotation was computed. [2022-11-23 13:57:21,495 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 2809) no Hoare annotation was computed. [2022-11-23 13:57:21,495 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 2819) no Hoare annotation was computed. [2022-11-23 13:57:21,495 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-23 13:57:21,496 INFO L899 garLoopResultBuilder]: For program point L1797(lines 1797 2768) no Hoare annotation was computed. [2022-11-23 13:57:21,496 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 2941) no Hoare annotation was computed. [2022-11-23 13:57:21,496 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 2951) no Hoare annotation was computed. [2022-11-23 13:57:21,496 INFO L899 garLoopResultBuilder]: For program point L2062(lines 2062 2727) no Hoare annotation was computed. [2022-11-23 13:57:21,496 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 2900) no Hoare annotation was computed. [2022-11-23 13:57:21,496 INFO L899 garLoopResultBuilder]: For program point L1204(lines 1204 2859) no Hoare annotation was computed. [2022-11-23 13:57:21,496 INFO L899 garLoopResultBuilder]: For program point L2195(lines 2195 2707) no Hoare annotation was computed. [2022-11-23 13:57:21,497 INFO L899 garLoopResultBuilder]: For program point L2129(lines 2129 2717) no Hoare annotation was computed. [2022-11-23 13:57:21,497 INFO L899 garLoopResultBuilder]: For program point L2460(lines 2460 2666) no Hoare annotation was computed. [2022-11-23 13:57:21,497 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 2991) no Hoare annotation was computed. [2022-11-23 13:57:21,497 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 2839) no Hoare annotation was computed. [2022-11-23 13:57:21,497 INFO L895 garLoopResultBuilder]: At program point L280(lines 132 282) the Hoare annotation is: (and (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~3#1| 0)) (<= 1 |ULTIMATE.start_main_~main__t~0#1|) (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~2#1| 0)) (not (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| |ULTIMATE.start_main_~main__t~0#1|))) [2022-11-23 13:57:21,497 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 2849) no Hoare annotation was computed. [2022-11-23 13:57:21,498 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 2798) no Hoare annotation was computed. [2022-11-23 13:57:21,498 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 2971) no Hoare annotation was computed. [2022-11-23 13:57:21,498 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 2981) no Hoare annotation was computed. [2022-11-23 13:57:21,498 INFO L899 garLoopResultBuilder]: For program point L1867(lines 1867 2757) no Hoare annotation was computed. [2022-11-23 13:57:21,498 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 2930) no Hoare annotation was computed. [2022-11-23 13:57:21,498 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 2889) no Hoare annotation was computed. [2022-11-23 13:57:21,498 INFO L899 garLoopResultBuilder]: For program point L2000(lines 2000 2737) no Hoare annotation was computed. [2022-11-23 13:57:21,499 INFO L899 garLoopResultBuilder]: For program point L1934(lines 1934 2747) no Hoare annotation was computed. [2022-11-23 13:57:21,499 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 227) no Hoare annotation was computed. [2022-11-23 13:57:21,499 INFO L899 garLoopResultBuilder]: For program point L2265(lines 2265 2696) no Hoare annotation was computed. [2022-11-23 13:57:21,499 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 2869) no Hoare annotation was computed. [2022-11-23 13:57:21,499 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 2879) no Hoare annotation was computed. [2022-11-23 13:57:21,499 INFO L899 garLoopResultBuilder]: For program point L2530(lines 2530 2655) no Hoare annotation was computed. [2022-11-23 13:57:21,499 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 2828) no Hoare annotation was computed. [2022-11-23 13:57:21,500 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 13:57:21,500 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 284) no Hoare annotation was computed. [2022-11-23 13:57:21,500 INFO L899 garLoopResultBuilder]: For program point L1672(lines 1672 2787) no Hoare annotation was computed. [2022-11-23 13:57:21,500 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 2960) no Hoare annotation was computed. [2022-11-23 13:57:21,500 INFO L899 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2022-11-23 13:57:21,500 INFO L899 garLoopResultBuilder]: For program point L21(lines 21 3007) no Hoare annotation was computed. [2022-11-23 13:57:21,500 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 2919) no Hoare annotation was computed. [2022-11-23 13:57:21,501 INFO L899 garLoopResultBuilder]: For program point L1805(lines 1805 2767) no Hoare annotation was computed. [2022-11-23 13:57:21,501 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 2777) no Hoare annotation was computed. [2022-11-23 13:57:21,501 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2022-11-23 13:57:21,501 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-11-23 13:57:21,501 INFO L899 garLoopResultBuilder]: For program point L2070(lines 2070 2726) no Hoare annotation was computed. [2022-11-23 13:57:21,501 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 2899) no Hoare annotation was computed. [2022-11-23 13:57:21,501 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 2909) no Hoare annotation was computed. [2022-11-23 13:57:21,502 INFO L899 garLoopResultBuilder]: For program point L2335(lines 2335 2685) no Hoare annotation was computed. [2022-11-23 13:57:21,502 INFO L899 garLoopResultBuilder]: For program point L1212(lines 1212 2858) no Hoare annotation was computed. [2022-11-23 13:57:21,502 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 232) no Hoare annotation was computed. [2022-11-23 13:57:21,502 INFO L899 garLoopResultBuilder]: For program point L1477(lines 1477 2817) no Hoare annotation was computed. [2022-11-23 13:57:21,502 INFO L899 garLoopResultBuilder]: For program point L2468(lines 2468 2665) no Hoare annotation was computed. [2022-11-23 13:57:21,502 INFO L899 garLoopResultBuilder]: For program point L2402(lines 2402 2675) no Hoare annotation was computed. [2022-11-23 13:57:21,502 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 2990) no Hoare annotation was computed. [2022-11-23 13:57:21,503 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2022-11-23 13:57:21,503 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 2949) no Hoare annotation was computed. [2022-11-23 13:57:21,503 INFO L899 garLoopResultBuilder]: For program point L1610(lines 1610 2797) no Hoare annotation was computed. [2022-11-23 13:57:21,503 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 2807) no Hoare annotation was computed. [2022-11-23 13:57:21,503 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-11-23 13:57:21,503 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 3002) no Hoare annotation was computed. [2022-11-23 13:57:21,504 INFO L899 garLoopResultBuilder]: For program point L1875(lines 1875 2756) no Hoare annotation was computed. [2022-11-23 13:57:21,504 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 2929) no Hoare annotation was computed. [2022-11-23 13:57:21,504 INFO L899 garLoopResultBuilder]: For program point L686(lines 686 2939) no Hoare annotation was computed. [2022-11-23 13:57:21,504 INFO L899 garLoopResultBuilder]: For program point L2602(lines 2602 2645) no Hoare annotation was computed. [2022-11-23 13:57:21,504 INFO L899 garLoopResultBuilder]: For program point L2140(lines 2140 2715) no Hoare annotation was computed. [2022-11-23 13:57:21,504 INFO L899 garLoopResultBuilder]: For program point L1017(lines 1017 2888) no Hoare annotation was computed. [2022-11-23 13:57:21,505 INFO L899 garLoopResultBuilder]: For program point L1282(lines 1282 2847) no Hoare annotation was computed. [2022-11-23 13:57:21,505 INFO L899 garLoopResultBuilder]: For program point L2273(lines 2273 2695) no Hoare annotation was computed. [2022-11-23 13:57:21,505 INFO L899 garLoopResultBuilder]: For program point L2207(lines 2207 2705) no Hoare annotation was computed. [2022-11-23 13:57:21,505 INFO L899 garLoopResultBuilder]: For program point L2604(line 2604) no Hoare annotation was computed. [2022-11-23 13:57:21,505 INFO L899 garLoopResultBuilder]: For program point L2538(lines 2538 2654) no Hoare annotation was computed. [2022-11-23 13:57:21,505 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 2979) no Hoare annotation was computed. [2022-11-23 13:57:21,505 INFO L899 garLoopResultBuilder]: For program point L1415(lines 1415 2827) no Hoare annotation was computed. [2022-11-23 13:57:21,506 INFO L899 garLoopResultBuilder]: For program point L1349(lines 1349 2837) no Hoare annotation was computed. [2022-11-23 13:57:21,506 INFO L895 garLoopResultBuilder]: At program point L226(lines 92 284) the Hoare annotation is: (and (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~3#1| 0)) (<= 1 |ULTIMATE.start_main_~main__t~0#1|) (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~2#1| 0)) (<= |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|)) [2022-11-23 13:57:21,506 INFO L899 garLoopResultBuilder]: For program point L1680(lines 1680 2786) no Hoare annotation was computed. [2022-11-23 13:57:21,506 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 2959) no Hoare annotation was computed. [2022-11-23 13:57:21,506 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 2969) no Hoare annotation was computed. [2022-11-23 13:57:21,506 INFO L899 garLoopResultBuilder]: For program point L1945(lines 1945 2745) no Hoare annotation was computed. [2022-11-23 13:57:21,507 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 2918) no Hoare annotation was computed. [2022-11-23 13:57:21,507 INFO L899 garLoopResultBuilder]: For program point L1087(lines 1087 2877) no Hoare annotation was computed. [2022-11-23 13:57:21,507 INFO L899 garLoopResultBuilder]: For program point L2078(lines 2078 2725) no Hoare annotation was computed. [2022-11-23 13:57:21,507 INFO L899 garLoopResultBuilder]: For program point L2012(lines 2012 2735) no Hoare annotation was computed. [2022-11-23 13:57:21,507 INFO L899 garLoopResultBuilder]: For program point L2343(lines 2343 2684) no Hoare annotation was computed. [2022-11-23 13:57:21,507 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 2857) no Hoare annotation was computed. [2022-11-23 13:57:21,507 INFO L899 garLoopResultBuilder]: For program point L1154(lines 1154 2867) no Hoare annotation was computed. [2022-11-23 13:57:21,507 INFO L899 garLoopResultBuilder]: For program point L1485(lines 1485 2816) no Hoare annotation was computed. [2022-11-23 13:57:21,508 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 2989) no Hoare annotation was computed. [2022-11-23 13:57:21,508 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 2999) no Hoare annotation was computed. [2022-11-23 13:57:21,508 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 231) no Hoare annotation was computed. [2022-11-23 13:57:21,508 INFO L899 garLoopResultBuilder]: For program point L1750(lines 1750 2775) no Hoare annotation was computed. [2022-11-23 13:57:21,508 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 2948) no Hoare annotation was computed. [2022-11-23 13:57:21,508 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 57) no Hoare annotation was computed. [2022-11-23 13:57:21,508 INFO L902 garLoopResultBuilder]: At program point L3006(lines 21 3007) the Hoare annotation is: true [2022-11-23 13:57:21,509 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 2907) no Hoare annotation was computed. [2022-11-23 13:57:21,509 INFO L899 garLoopResultBuilder]: For program point L1883(lines 1883 2755) no Hoare annotation was computed. [2022-11-23 13:57:21,509 INFO L899 garLoopResultBuilder]: For program point L1817(lines 1817 2765) no Hoare annotation was computed. [2022-11-23 13:57:21,509 INFO L899 garLoopResultBuilder]: For program point L2148(lines 2148 2714) no Hoare annotation was computed. [2022-11-23 13:57:21,509 INFO L899 garLoopResultBuilder]: For program point L1025(lines 1025 2887) no Hoare annotation was computed. [2022-11-23 13:57:21,509 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 2897) no Hoare annotation was computed. [2022-11-23 13:57:21,509 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2022-11-23 13:57:21,510 INFO L899 garLoopResultBuilder]: For program point L2413(lines 2413 2673) no Hoare annotation was computed. [2022-11-23 13:57:21,510 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 2846) no Hoare annotation was computed. [2022-11-23 13:57:21,510 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-11-23 13:57:21,513 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:21,516 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:57:21,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:57:21 BoogieIcfgContainer [2022-11-23 13:57:21,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:57:21,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:57:21,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:57:21,542 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:57:21,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:56:59" (3/4) ... [2022-11-23 13:57:21,547 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 13:57:21,579 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-23 13:57:21,582 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 13:57:21,584 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 13:57:21,586 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:57:21,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 13:57:21,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:57:21,760 INFO L158 Benchmark]: Toolchain (without parser) took 25209.43ms. Allocated memory was 134.2MB in the beginning and 396.4MB in the end (delta: 262.1MB). Free memory was 101.8MB in the beginning and 310.0MB in the end (delta: -208.1MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2022-11-23 13:57:21,761 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:57:21,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 957.55ms. Allocated memory is still 134.2MB. Free memory was 101.4MB in the beginning and 57.8MB in the end (delta: 43.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-23 13:57:21,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.58ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 57.8MB in the beginning and 145.7MB in the end (delta: -87.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-11-23 13:57:21,762 INFO L158 Benchmark]: Boogie Preprocessor took 61.93ms. Allocated memory is still 178.3MB. Free memory was 145.7MB in the beginning and 140.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:57:21,762 INFO L158 Benchmark]: RCFGBuilder took 1878.56ms. Allocated memory is still 178.3MB. Free memory was 140.6MB in the beginning and 140.2MB in the end (delta: 423.0kB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2022-11-23 13:57:21,763 INFO L158 Benchmark]: TraceAbstraction took 21917.58ms. Allocated memory was 178.3MB in the beginning and 396.4MB in the end (delta: 218.1MB). Free memory was 139.1MB in the beginning and 331.3MB in the end (delta: -192.2MB). Peak memory consumption was 241.3MB. Max. memory is 16.1GB. [2022-11-23 13:57:21,765 INFO L158 Benchmark]: Witness Printer took 218.02ms. Allocated memory is still 396.4MB. Free memory was 331.3MB in the beginning and 310.0MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 13:57:21,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 957.55ms. Allocated memory is still 134.2MB. Free memory was 101.4MB in the beginning and 57.8MB in the end (delta: 43.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.58ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 57.8MB in the beginning and 145.7MB in the end (delta: -87.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.93ms. Allocated memory is still 178.3MB. Free memory was 145.7MB in the beginning and 140.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1878.56ms. Allocated memory is still 178.3MB. Free memory was 140.6MB in the beginning and 140.2MB in the end (delta: 423.0kB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * TraceAbstraction took 21917.58ms. Allocated memory was 178.3MB in the beginning and 396.4MB in the end (delta: 218.1MB). Free memory was 139.1MB in the beginning and 331.3MB in the end (delta: -192.2MB). Peak memory consumption was 241.3MB. Max. memory is 16.1GB. * Witness Printer took 218.02ms. Allocated memory is still 396.4MB. Free memory was 331.3MB in the beginning and 310.0MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 76]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 105]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 117]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 145]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 173]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 207]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 219]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 255]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2616]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 21.8s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5895 SdHoareTripleChecker+Valid, 10.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5895 mSDsluCounter, 9323 SdHoareTripleChecker+Invalid, 8.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5357 mSDsCounter, 1444 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13111 IncrementalHoareTripleChecker+Invalid, 14555 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1444 mSolverCounterUnsat, 3966 mSDtfsCounter, 13111 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=0, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 21 MinimizatonAttempts, 150 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 18 NumberOfFragments, 63 HoareAnnotationTreeSize, 7 FomulaSimplifications, 2025 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14554 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 723 NumberOfCodeBlocks, 723 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 702 ConstructedInterpolants, 0 QuantifiedInterpolants, 1932 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((!(__VERIFIER_assert__cond == 0) && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && main__t <= main__tagbuf_len - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((!(__VERIFIER_assert__cond == 0) && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && !(main__tagbuf_len <= main__t) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 <= main__t && main__t <= main__tagbuf_len - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (main__t == 0 && main__t < main__tagbuf_len) || (1 <= main__t && main__t < main__tagbuf_len) - InvariantResult [Line: 2591]: Loop Invariant Derived loop invariant: !(main__tagbuf_len <= main__t) && 59 <= main__t RESULT: Ultimate proved your program to be correct! [2022-11-23 13:57:21,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4ce10-c72b-4b4a-a58b-751ca7d20c16/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE