./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:37:57,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:37:57,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:37:57,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:37:57,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:37:57,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:37:57,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:37:57,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:37:57,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:37:57,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:37:57,745 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:37:57,746 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:37:57,746 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:37:57,747 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:37:57,748 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:37:57,748 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:37:57,749 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:37:57,749 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:37:57,750 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:37:57,750 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:37:57,751 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:37:57,752 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:37:57,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:37:57,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:37:57,753 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:37:57,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:37:57,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:37:57,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:37:57,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:37:57,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:37:57,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:37:57,756 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:37:57,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:37:57,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:37:57,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:37:57,764 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:37:57,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:37:57,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:57,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:37:57,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:37:57,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:37:57,766 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:37:57,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:37:57,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:37:57,767 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:37:57,767 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:37:57,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:37:57,768 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5182ada4c25502e8c117aae65840c303a96073ec563a87f29fad662bee2286b [2023-11-23 20:37:58,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:37:58,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:37:58,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:37:58,102 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:37:58,102 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:37:58,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2023-11-23 20:38:01,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:38:01,703 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:38:01,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2023-11-23 20:38:01,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/data/c46dcb47b/e687d902fd7e4bfaaa57857dca9960b8/FLAG9316f7ad0 [2023-11-23 20:38:01,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/data/c46dcb47b/e687d902fd7e4bfaaa57857dca9960b8 [2023-11-23 20:38:01,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:38:01,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:38:01,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:01,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:38:01,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:38:01,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:01" (1/1) ... [2023-11-23 20:38:01,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9aeea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:01, skipping insertion in model container [2023-11-23 20:38:01,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:01" (1/1) ... [2023-11-23 20:38:01,876 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:38:02,082 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2023-11-23 20:38:02,091 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2023-11-23 20:38:02,096 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2023-11-23 20:38:02,107 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2023-11-23 20:38:02,112 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2023-11-23 20:38:02,114 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2023-11-23 20:38:02,117 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2023-11-23 20:38:02,119 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2023-11-23 20:38:02,122 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2023-11-23 20:38:02,128 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2023-11-23 20:38:02,130 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2023-11-23 20:38:02,132 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2023-11-23 20:38:02,135 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2023-11-23 20:38:02,137 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2023-11-23 20:38:02,435 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2023-11-23 20:38:02,441 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2023-11-23 20:38:02,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:02,481 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:38:02,495 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2023-11-23 20:38:02,496 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2023-11-23 20:38:02,497 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2023-11-23 20:38:02,498 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2023-11-23 20:38:02,500 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2023-11-23 20:38:02,501 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2023-11-23 20:38:02,502 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2023-11-23 20:38:02,503 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2023-11-23 20:38:02,505 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2023-11-23 20:38:02,507 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2023-11-23 20:38:02,529 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2023-11-23 20:38:02,530 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2023-11-23 20:38:02,532 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2023-11-23 20:38:02,533 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2023-11-23 20:38:02,762 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2023-11-23 20:38:02,767 WARN L240 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_44f95d9d-a91d-405a-ba16-b80a78efb3f2/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2023-11-23 20:38:02,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:02,798 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:38:02,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02 WrapperNode [2023-11-23 20:38:02,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:02,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:02,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:38:02,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:38:02,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (1/1) ... [2023-11-23 20:38:02,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (1/1) ... [2023-11-23 20:38:03,034 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2017 [2023-11-23 20:38:03,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:03,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:38:03,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:38:03,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:38:03,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (1/1) ... [2023-11-23 20:38:03,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (1/1) ... [2023-11-23 20:38:03,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (1/1) ... [2023-11-23 20:38:03,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (1/1) ... [2023-11-23 20:38:03,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (1/1) ... [2023-11-23 20:38:03,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (1/1) ... [2023-11-23 20:38:03,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (1/1) ... [2023-11-23 20:38:03,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (1/1) ... [2023-11-23 20:38:03,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:38:03,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:38:03,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:38:03,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:38:03,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (1/1) ... [2023-11-23 20:38:03,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:03,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:03,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:38:03,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:38:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:38:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:38:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:38:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:38:03,498 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:38:03,500 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:38:04,754 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:38:04,828 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:38:04,829 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:38:04,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:04 BoogieIcfgContainer [2023-11-23 20:38:04,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:38:04,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:38:04,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:38:04,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:38:04,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:38:01" (1/3) ... [2023-11-23 20:38:04,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3694f8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:04, skipping insertion in model container [2023-11-23 20:38:04,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:02" (2/3) ... [2023-11-23 20:38:04,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3694f8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:04, skipping insertion in model container [2023-11-23 20:38:04,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:04" (3/3) ... [2023-11-23 20:38:04,844 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2023-11-23 20:38:04,864 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:38:04,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-23 20:38:04,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:38:04,956 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=LoopHeads, 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;@25977181, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:38:04,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-23 20:38:04,963 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) [2023-11-23 20:38:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:38:04,970 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:04,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-23 20:38:04,972 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)] === [2023-11-23 20:38:04,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:04,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1144680186, now seen corresponding path program 1 times [2023-11-23 20:38:04,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:04,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69423982] [2023-11-23 20:38:04,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:04,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:05,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:05,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69423982] [2023-11-23 20:38:05,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69423982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:05,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:05,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:38:05,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626782504] [2023-11-23 20:38:05,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:05,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:38:05,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:05,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:38:05,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:38:05,457 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) [2023-11-23 20:38:06,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:06,241 INFO L93 Difference]: Finished difference Result 308 states and 568 transitions. [2023-11-23 20:38:06,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:38:06,244 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 [2023-11-23 20:38:06,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:06,257 INFO L225 Difference]: With dead ends: 308 [2023-11-23 20:38:06,258 INFO L226 Difference]: Without dead ends: 297 [2023-11-23 20:38:06,261 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 [2023-11-23 20:38:06,264 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 483 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:06,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 445 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 20:38:06,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-11-23 20:38:06,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2023-11-23 20:38:06,351 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) [2023-11-23 20:38:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 420 transitions. [2023-11-23 20:38:06,360 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 420 transitions. Word has length 6 [2023-11-23 20:38:06,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:06,361 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 420 transitions. [2023-11-23 20:38:06,361 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) [2023-11-23 20:38:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 420 transitions. [2023-11-23 20:38:06,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:38:06,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:06,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:06,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:38:06,363 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)] === [2023-11-23 20:38:06,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:06,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1125351449, now seen corresponding path program 1 times [2023-11-23 20:38:06,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:06,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404934487] [2023-11-23 20:38:06,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:06,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:06,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:06,550 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:06,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404934487] [2023-11-23 20:38:06,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404934487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:06,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:06,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:38:06,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528088646] [2023-11-23 20:38:06,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:06,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:38:06,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:06,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:38:06,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:38:06,553 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) [2023-11-23 20:38:07,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:07,145 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2023-11-23 20:38:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:38:07,146 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 [2023-11-23 20:38:07,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:07,149 INFO L225 Difference]: With dead ends: 304 [2023-11-23 20:38:07,149 INFO L226 Difference]: Without dead ends: 299 [2023-11-23 20:38:07,150 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 [2023-11-23 20:38:07,151 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 21 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 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, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:07,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 982 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 20:38:07,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-11-23 20:38:07,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 292. [2023-11-23 20:38:07,166 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) [2023-11-23 20:38:07,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2023-11-23 20:38:07,167 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 7 [2023-11-23 20:38:07,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:07,168 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2023-11-23 20:38:07,168 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) [2023-11-23 20:38:07,168 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2023-11-23 20:38:07,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:38:07,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:07,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:07,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:38:07,170 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)] === [2023-11-23 20:38:07,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:07,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1144463368, now seen corresponding path program 1 times [2023-11-23 20:38:07,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:07,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900385346] [2023-11-23 20:38:07,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:07,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:07,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:07,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:07,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900385346] [2023-11-23 20:38:07,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900385346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:07,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:07,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:38:07,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932165165] [2023-11-23 20:38:07,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:07,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:38:07,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:07,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:38:07,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:38:07,231 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) [2023-11-23 20:38:07,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:07,678 INFO L93 Difference]: Finished difference Result 292 states and 355 transitions. [2023-11-23 20:38:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:38:07,679 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 [2023-11-23 20:38:07,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:07,681 INFO L225 Difference]: With dead ends: 292 [2023-11-23 20:38:07,681 INFO L226 Difference]: Without dead ends: 290 [2023-11-23 20:38:07,682 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 [2023-11-23 20:38:07,683 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 [2023-11-23 20:38:07,684 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] [2023-11-23 20:38:07,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2023-11-23 20:38:07,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2023-11-23 20:38:07,694 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) [2023-11-23 20:38:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2023-11-23 20:38:07,695 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 7 [2023-11-23 20:38:07,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:07,696 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2023-11-23 20:38:07,696 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) [2023-11-23 20:38:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2023-11-23 20:38:07,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:38:07,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:07,697 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:07,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:38:07,697 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)] === [2023-11-23 20:38:07,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:07,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1118630114, now seen corresponding path program 1 times [2023-11-23 20:38:07,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:07,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509822658] [2023-11-23 20:38:07,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:07,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:07,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:07,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509822658] [2023-11-23 20:38:07,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509822658] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:07,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:07,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:38:07,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054360183] [2023-11-23 20:38:07,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:07,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:38:07,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:07,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:38:07,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:38:07,809 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) [2023-11-23 20:38:08,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:08,187 INFO L93 Difference]: Finished difference Result 295 states and 358 transitions. [2023-11-23 20:38:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:38:08,188 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 [2023-11-23 20:38:08,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:08,190 INFO L225 Difference]: With dead ends: 295 [2023-11-23 20:38:08,190 INFO L226 Difference]: Without dead ends: 293 [2023-11-23 20:38:08,191 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 [2023-11-23 20:38:08,192 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 [2023-11-23 20:38:08,193 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] [2023-11-23 20:38:08,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-11-23 20:38:08,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2023-11-23 20:38:08,201 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) [2023-11-23 20:38:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2023-11-23 20:38:08,202 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 8 [2023-11-23 20:38:08,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:08,203 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2023-11-23 20:38:08,203 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) [2023-11-23 20:38:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2023-11-23 20:38:08,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:38:08,204 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:08,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:08,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 20:38:08,204 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)] === [2023-11-23 20:38:08,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:08,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1261843174, now seen corresponding path program 1 times [2023-11-23 20:38:08,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:08,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984016045] [2023-11-23 20:38:08,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:08,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:08,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:08,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:08,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984016045] [2023-11-23 20:38:08,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984016045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:08,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:08,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:38:08,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306751029] [2023-11-23 20:38:08,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:08,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:38:08,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:08,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:38:08,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:38:08,268 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) [2023-11-23 20:38:08,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:08,817 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2023-11-23 20:38:08,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:38:08,818 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 [2023-11-23 20:38:08,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:08,819 INFO L225 Difference]: With dead ends: 293 [2023-11-23 20:38:08,820 INFO L226 Difference]: Without dead ends: 291 [2023-11-23 20:38:08,820 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 [2023-11-23 20:38:08,821 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 [2023-11-23 20:38:08,822 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] [2023-11-23 20:38:08,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-11-23 20:38:08,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2023-11-23 20:38:08,829 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) [2023-11-23 20:38:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2023-11-23 20:38:08,830 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 10 [2023-11-23 20:38:08,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:08,832 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2023-11-23 20:38:08,835 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) [2023-11-23 20:38:08,836 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2023-11-23 20:38:08,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:38:08,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:08,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:08,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 20:38:08,838 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)] === [2023-11-23 20:38:08,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:08,839 INFO L85 PathProgramCache]: Analyzing trace with hash 462436822, now seen corresponding path program 1 times [2023-11-23 20:38:08,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:08,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663811779] [2023-11-23 20:38:08,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:08,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:08,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:08,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:08,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663811779] [2023-11-23 20:38:08,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663811779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:08,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:08,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:38:08,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340362005] [2023-11-23 20:38:08,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:08,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:38:08,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:08,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:38:08,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:38:08,908 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) [2023-11-23 20:38:09,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:09,237 INFO L93 Difference]: Finished difference Result 291 states and 354 transitions. [2023-11-23 20:38:09,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:38:09,238 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 [2023-11-23 20:38:09,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:09,239 INFO L225 Difference]: With dead ends: 291 [2023-11-23 20:38:09,240 INFO L226 Difference]: Without dead ends: 287 [2023-11-23 20:38:09,240 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 [2023-11-23 20:38:09,241 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 [2023-11-23 20:38:09,241 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] [2023-11-23 20:38:09,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2023-11-23 20:38:09,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2023-11-23 20:38:09,248 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) [2023-11-23 20:38:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 350 transitions. [2023-11-23 20:38:09,249 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 350 transitions. Word has length 11 [2023-11-23 20:38:09,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:09,249 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 350 transitions. [2023-11-23 20:38:09,249 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) [2023-11-23 20:38:09,250 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 350 transitions. [2023-11-23 20:38:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:38:09,250 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:09,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:09,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 20:38:09,251 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)] === [2023-11-23 20:38:09,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:09,251 INFO L85 PathProgramCache]: Analyzing trace with hash -959031714, now seen corresponding path program 1 times [2023-11-23 20:38:09,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:09,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615002688] [2023-11-23 20:38:09,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:09,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:09,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:09,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615002688] [2023-11-23 20:38:09,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615002688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:09,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:09,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:38:09,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935050560] [2023-11-23 20:38:09,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:09,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:38:09,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:09,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:38:09,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:38:09,375 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) [2023-11-23 20:38:09,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:09,883 INFO L93 Difference]: Finished difference Result 315 states and 380 transitions. [2023-11-23 20:38:09,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:38:09,884 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 [2023-11-23 20:38:09,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:09,886 INFO L225 Difference]: With dead ends: 315 [2023-11-23 20:38:09,886 INFO L226 Difference]: Without dead ends: 313 [2023-11-23 20:38:09,886 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 [2023-11-23 20:38:09,887 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 93 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:09,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 803 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:38:09,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-11-23 20:38:09,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 287. [2023-11-23 20:38:09,894 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) [2023-11-23 20:38:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 350 transitions. [2023-11-23 20:38:09,896 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 350 transitions. Word has length 12 [2023-11-23 20:38:09,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:09,896 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 350 transitions. [2023-11-23 20:38:09,896 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) [2023-11-23 20:38:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 350 transitions. [2023-11-23 20:38:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:38:09,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:09,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:09,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 20:38:09,898 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)] === [2023-11-23 20:38:09,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:09,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1465785465, now seen corresponding path program 1 times [2023-11-23 20:38:09,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:09,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899566802] [2023-11-23 20:38:09,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:09,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:09,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:09,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899566802] [2023-11-23 20:38:09,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899566802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:09,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:09,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:38:09,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880625655] [2023-11-23 20:38:09,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:09,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:38:09,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:38:09,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:38:09,961 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) [2023-11-23 20:38:10,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:10,523 INFO L93 Difference]: Finished difference Result 307 states and 372 transitions. [2023-11-23 20:38:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:38:10,524 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 [2023-11-23 20:38:10,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:10,525 INFO L225 Difference]: With dead ends: 307 [2023-11-23 20:38:10,526 INFO L226 Difference]: Without dead ends: 305 [2023-11-23 20:38:10,526 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 [2023-11-23 20:38:10,527 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 [2023-11-23 20:38:10,527 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] [2023-11-23 20:38:10,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2023-11-23 20:38:10,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 285. [2023-11-23 20:38:10,540 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) [2023-11-23 20:38:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 348 transitions. [2023-11-23 20:38:10,541 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 348 transitions. Word has length 12 [2023-11-23 20:38:10,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:10,542 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 348 transitions. [2023-11-23 20:38:10,542 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) [2023-11-23 20:38:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 348 transitions. [2023-11-23 20:38:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:38:10,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:10,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:10,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 20:38:10,546 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)] === [2023-11-23 20:38:10,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:10,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1467509369, now seen corresponding path program 1 times [2023-11-23 20:38:10,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:10,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114147804] [2023-11-23 20:38:10,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:10,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:10,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:10,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114147804] [2023-11-23 20:38:10,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114147804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:10,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:10,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:38:10,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423917503] [2023-11-23 20:38:10,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:10,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:38:10,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:10,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:38:10,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:38:10,636 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) [2023-11-23 20:38:11,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:11,193 INFO L93 Difference]: Finished difference Result 288 states and 351 transitions. [2023-11-23 20:38:11,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:38:11,194 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 [2023-11-23 20:38:11,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:11,195 INFO L225 Difference]: With dead ends: 288 [2023-11-23 20:38:11,196 INFO L226 Difference]: Without dead ends: 286 [2023-11-23 20:38:11,196 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 [2023-11-23 20:38:11,197 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 [2023-11-23 20:38:11,197 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] [2023-11-23 20:38:11,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-11-23 20:38:11,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2023-11-23 20:38:11,205 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) [2023-11-23 20:38:11,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 346 transitions. [2023-11-23 20:38:11,206 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 346 transitions. Word has length 12 [2023-11-23 20:38:11,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:11,207 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 346 transitions. [2023-11-23 20:38:11,207 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) [2023-11-23 20:38:11,207 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 346 transitions. [2023-11-23 20:38:11,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:38:11,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:11,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:11,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 20:38:11,209 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)] === [2023-11-23 20:38:11,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:11,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1805286727, now seen corresponding path program 1 times [2023-11-23 20:38:11,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:11,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908128206] [2023-11-23 20:38:11,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:11,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:11,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:11,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908128206] [2023-11-23 20:38:11,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908128206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:11,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:11,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:38:11,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078151035] [2023-11-23 20:38:11,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:11,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:38:11,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:11,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:38:11,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:38:11,342 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) [2023-11-23 20:38:11,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:11,872 INFO L93 Difference]: Finished difference Result 321 states and 388 transitions. [2023-11-23 20:38:11,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 20:38:11,873 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 [2023-11-23 20:38:11,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:11,875 INFO L225 Difference]: With dead ends: 321 [2023-11-23 20:38:11,875 INFO L226 Difference]: Without dead ends: 319 [2023-11-23 20:38:11,876 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 [2023-11-23 20:38:11,877 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 49 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:11,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 848 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:38:11,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2023-11-23 20:38:11,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 291. [2023-11-23 20:38:11,884 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) [2023-11-23 20:38:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2023-11-23 20:38:11,886 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 13 [2023-11-23 20:38:11,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:11,886 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2023-11-23 20:38:11,887 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) [2023-11-23 20:38:11,887 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2023-11-23 20:38:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:38:11,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:11,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:11,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 20:38:11,888 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)] === [2023-11-23 20:38:11,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:11,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1803739582, now seen corresponding path program 1 times [2023-11-23 20:38:11,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:11,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633858310] [2023-11-23 20:38:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:11,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:11,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:11,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633858310] [2023-11-23 20:38:11,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633858310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:11,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:11,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:38:11,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544145671] [2023-11-23 20:38:11,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:11,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:38:11,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:11,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:38:11,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:38:11,944 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) [2023-11-23 20:38:12,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:12,469 INFO L93 Difference]: Finished difference Result 311 states and 378 transitions. [2023-11-23 20:38:12,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:38:12,469 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 [2023-11-23 20:38:12,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:12,471 INFO L225 Difference]: With dead ends: 311 [2023-11-23 20:38:12,472 INFO L226 Difference]: Without dead ends: 309 [2023-11-23 20:38:12,472 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 [2023-11-23 20:38:12,473 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 [2023-11-23 20:38:12,474 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] [2023-11-23 20:38:12,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-11-23 20:38:12,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 289. [2023-11-23 20:38:12,481 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) [2023-11-23 20:38:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 354 transitions. [2023-11-23 20:38:12,482 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 354 transitions. Word has length 13 [2023-11-23 20:38:12,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:12,483 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 354 transitions. [2023-11-23 20:38:12,483 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) [2023-11-23 20:38:12,483 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 354 transitions. [2023-11-23 20:38:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:38:12,484 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:12,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:12,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 20:38:12,484 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)] === [2023-11-23 20:38:12,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:12,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1751845647, now seen corresponding path program 1 times [2023-11-23 20:38:12,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:12,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035099975] [2023-11-23 20:38:12,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:12,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:12,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:12,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:12,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035099975] [2023-11-23 20:38:12,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035099975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:12,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:12,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:38:12,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567934111] [2023-11-23 20:38:12,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:12,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:38:12,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:12,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:38:12,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:38:12,594 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) [2023-11-23 20:38:13,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:13,086 INFO L93 Difference]: Finished difference Result 299 states and 364 transitions. [2023-11-23 20:38:13,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:38:13,086 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 [2023-11-23 20:38:13,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:13,088 INFO L225 Difference]: With dead ends: 299 [2023-11-23 20:38:13,088 INFO L226 Difference]: Without dead ends: 295 [2023-11-23 20:38:13,089 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 [2023-11-23 20:38:13,089 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 22 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:13,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 802 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:38:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-11-23 20:38:13,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 290. [2023-11-23 20:38:13,102 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) [2023-11-23 20:38:13,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 355 transitions. [2023-11-23 20:38:13,103 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 355 transitions. Word has length 13 [2023-11-23 20:38:13,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:13,103 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 355 transitions. [2023-11-23 20:38:13,104 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) [2023-11-23 20:38:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 355 transitions. [2023-11-23 20:38:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:38:13,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:13,105 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:13,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 20:38:13,106 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)] === [2023-11-23 20:38:13,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:13,106 INFO L85 PathProgramCache]: Analyzing trace with hash -81348045, now seen corresponding path program 1 times [2023-11-23 20:38:13,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:13,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775014800] [2023-11-23 20:38:13,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:13,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:13,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775014800] [2023-11-23 20:38:13,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775014800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:13,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:13,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:38:13,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703376630] [2023-11-23 20:38:13,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:13,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:38:13,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:13,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:38:13,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:38:13,278 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) [2023-11-23 20:38:13,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:13,878 INFO L93 Difference]: Finished difference Result 316 states and 383 transitions. [2023-11-23 20:38:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 20:38:13,878 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 [2023-11-23 20:38:13,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:13,880 INFO L225 Difference]: With dead ends: 316 [2023-11-23 20:38:13,880 INFO L226 Difference]: Without dead ends: 314 [2023-11-23 20:38:13,881 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 [2023-11-23 20:38:13,881 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 36 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:13,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 947 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 20:38:13,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-11-23 20:38:13,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 293. [2023-11-23 20:38:13,892 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) [2023-11-23 20:38:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 358 transitions. [2023-11-23 20:38:13,894 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 358 transitions. Word has length 14 [2023-11-23 20:38:13,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:13,896 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 358 transitions. [2023-11-23 20:38:13,896 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) [2023-11-23 20:38:13,896 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 358 transitions. [2023-11-23 20:38:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:38:13,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:13,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:13,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-23 20:38:13,901 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)] === [2023-11-23 20:38:13,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:13,902 INFO L85 PathProgramCache]: Analyzing trace with hash 286370844, now seen corresponding path program 1 times [2023-11-23 20:38:13,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:13,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271294216] [2023-11-23 20:38:13,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:13,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:13,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:13,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:13,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271294216] [2023-11-23 20:38:13,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271294216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:13,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:13,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:38:13,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616535920] [2023-11-23 20:38:13,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:13,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:38:13,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:13,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:38:13,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:38:13,983 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) [2023-11-23 20:38:14,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:14,182 INFO L93 Difference]: Finished difference Result 293 states and 358 transitions. [2023-11-23 20:38:14,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:38:14,183 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 [2023-11-23 20:38:14,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:14,184 INFO L225 Difference]: With dead ends: 293 [2023-11-23 20:38:14,185 INFO L226 Difference]: Without dead ends: 291 [2023-11-23 20:38:14,185 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 [2023-11-23 20:38:14,186 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 330 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2023-11-23 20:38:14,186 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] [2023-11-23 20:38:14,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-11-23 20:38:14,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2023-11-23 20:38:14,193 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) [2023-11-23 20:38:14,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2023-11-23 20:38:14,194 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 15 [2023-11-23 20:38:14,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:14,195 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2023-11-23 20:38:14,195 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) [2023-11-23 20:38:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2023-11-23 20:38:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:38:14,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:14,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:14,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 20:38:14,196 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)] === [2023-11-23 20:38:14,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:14,197 INFO L85 PathProgramCache]: Analyzing trace with hash 15602792, now seen corresponding path program 1 times [2023-11-23 20:38:14,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:14,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065147341] [2023-11-23 20:38:14,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:14,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:14,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:14,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065147341] [2023-11-23 20:38:14,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065147341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:14,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:14,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:38:14,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730729153] [2023-11-23 20:38:14,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:14,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:38:14,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:14,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:38:14,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:38:14,297 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) [2023-11-23 20:38:14,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:14,814 INFO L93 Difference]: Finished difference Result 291 states and 356 transitions. [2023-11-23 20:38:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:38:14,815 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 [2023-11-23 20:38:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:14,817 INFO L225 Difference]: With dead ends: 291 [2023-11-23 20:38:14,817 INFO L226 Difference]: Without dead ends: 289 [2023-11-23 20:38:14,817 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 [2023-11-23 20:38:14,818 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 498 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:14,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 152 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:38:14,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-11-23 20:38:14,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 286. [2023-11-23 20:38:14,825 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) [2023-11-23 20:38:14,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 351 transitions. [2023-11-23 20:38:14,826 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 351 transitions. Word has length 16 [2023-11-23 20:38:14,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:14,826 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 351 transitions. [2023-11-23 20:38:14,827 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) [2023-11-23 20:38:14,827 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 351 transitions. [2023-11-23 20:38:14,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:38:14,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:14,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:14,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-23 20:38:14,828 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)] === [2023-11-23 20:38:14,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:14,829 INFO L85 PathProgramCache]: Analyzing trace with hash 287565703, now seen corresponding path program 1 times [2023-11-23 20:38:14,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:14,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369370698] [2023-11-23 20:38:14,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:14,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:14,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:14,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369370698] [2023-11-23 20:38:14,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369370698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:14,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:14,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:38:14,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646203900] [2023-11-23 20:38:14,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:14,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:38:14,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:14,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:38:14,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:38:14,877 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) [2023-11-23 20:38:15,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:15,139 INFO L93 Difference]: Finished difference Result 286 states and 351 transitions. [2023-11-23 20:38:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:38:15,140 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 [2023-11-23 20:38:15,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:15,142 INFO L225 Difference]: With dead ends: 286 [2023-11-23 20:38:15,142 INFO L226 Difference]: Without dead ends: 282 [2023-11-23 20:38:15,142 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 [2023-11-23 20:38:15,143 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, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:15,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 728 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:38:15,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-23 20:38:15,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2023-11-23 20:38:15,150 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) [2023-11-23 20:38:15,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 347 transitions. [2023-11-23 20:38:15,151 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 347 transitions. Word has length 16 [2023-11-23 20:38:15,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:15,151 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 347 transitions. [2023-11-23 20:38:15,152 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) [2023-11-23 20:38:15,152 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 347 transitions. [2023-11-23 20:38:15,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:38:15,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:15,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:15,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-23 20:38:15,153 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)] === [2023-11-23 20:38:15,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:15,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1860971197, now seen corresponding path program 1 times [2023-11-23 20:38:15,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:15,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878501219] [2023-11-23 20:38:15,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:15,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:15,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:15,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878501219] [2023-11-23 20:38:15,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878501219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:15,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:15,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:38:15,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820161870] [2023-11-23 20:38:15,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:15,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:38:15,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:15,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:38:15,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:38:15,249 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) [2023-11-23 20:38:15,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:15,732 INFO L93 Difference]: Finished difference Result 296 states and 363 transitions. [2023-11-23 20:38:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:38:15,733 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 [2023-11-23 20:38:15,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:15,735 INFO L225 Difference]: With dead ends: 296 [2023-11-23 20:38:15,735 INFO L226 Difference]: Without dead ends: 294 [2023-11-23 20:38:15,735 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 [2023-11-23 20:38:15,736 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 688 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:15,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 158 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 20:38:15,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-11-23 20:38:15,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 278. [2023-11-23 20:38:15,743 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) [2023-11-23 20:38:15,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 343 transitions. [2023-11-23 20:38:15,744 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 343 transitions. Word has length 17 [2023-11-23 20:38:15,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:15,745 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 343 transitions. [2023-11-23 20:38:15,745 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) [2023-11-23 20:38:15,745 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 343 transitions. [2023-11-23 20:38:15,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:38:15,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:15,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:15,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-23 20:38:15,746 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)] === [2023-11-23 20:38:15,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:15,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1914412277, now seen corresponding path program 1 times [2023-11-23 20:38:15,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:15,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751078196] [2023-11-23 20:38:15,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:15,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:15,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:15,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:15,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751078196] [2023-11-23 20:38:15,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751078196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:15,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:15,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:38:15,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984082308] [2023-11-23 20:38:15,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:15,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:38:15,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:15,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:38:15,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:38:15,864 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) [2023-11-23 20:38:16,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:16,334 INFO L93 Difference]: Finished difference Result 278 states and 343 transitions. [2023-11-23 20:38:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:38:16,334 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 [2023-11-23 20:38:16,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:16,340 INFO L225 Difference]: With dead ends: 278 [2023-11-23 20:38:16,341 INFO L226 Difference]: Without dead ends: 274 [2023-11-23 20:38:16,342 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 [2023-11-23 20:38:16,342 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 461 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 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, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:16,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 148 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 20:38:16,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-11-23 20:38:16,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2023-11-23 20:38:16,351 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) [2023-11-23 20:38:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 339 transitions. [2023-11-23 20:38:16,353 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 339 transitions. Word has length 17 [2023-11-23 20:38:16,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:16,353 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 339 transitions. [2023-11-23 20:38:16,353 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) [2023-11-23 20:38:16,353 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 339 transitions. [2023-11-23 20:38:16,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:38:16,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:16,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:16,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-23 20:38:16,355 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)] === [2023-11-23 20:38:16,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:16,357 INFO L85 PathProgramCache]: Analyzing trace with hash 339721299, now seen corresponding path program 1 times [2023-11-23 20:38:16,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:16,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86837261] [2023-11-23 20:38:16,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:16,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:16,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:16,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86837261] [2023-11-23 20:38:16,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86837261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:16,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:16,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:38:16,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191025365] [2023-11-23 20:38:16,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:16,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:38:16,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:16,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:38:16,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:38:16,506 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) [2023-11-23 20:38:17,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:17,004 INFO L93 Difference]: Finished difference Result 283 states and 350 transitions. [2023-11-23 20:38:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:38:17,005 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 [2023-11-23 20:38:17,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:17,006 INFO L225 Difference]: With dead ends: 283 [2023-11-23 20:38:17,006 INFO L226 Difference]: Without dead ends: 249 [2023-11-23 20:38:17,009 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 [2023-11-23 20:38:17,010 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 659 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:17,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 148 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:38:17,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-11-23 20:38:17,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2023-11-23 20:38:17,015 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) [2023-11-23 20:38:17,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2023-11-23 20:38:17,017 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 17 [2023-11-23 20:38:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:17,017 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2023-11-23 20:38:17,017 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) [2023-11-23 20:38:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2023-11-23 20:38:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-23 20:38:17,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:17,027 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] [2023-11-23 20:38:17,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-23 20:38:17,028 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)] === [2023-11-23 20:38:17,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:17,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1536774122, now seen corresponding path program 1 times [2023-11-23 20:38:17,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:17,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319520897] [2023-11-23 20:38:17,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:17,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:22,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:22,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319520897] [2023-11-23 20:38:22,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319520897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:22,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:22,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2023-11-23 20:38:22,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532849526] [2023-11-23 20:38:22,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:22,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-11-23 20:38:22,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:22,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-11-23 20:38:22,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2023-11-23 20:38:22,396 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) [2023-11-23 20:38:23,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:23,211 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2023-11-23 20:38:23,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-11-23 20:38:23,212 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 [2023-11-23 20:38:23,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:23,215 INFO L225 Difference]: With dead ends: 250 [2023-11-23 20:38:23,215 INFO L226 Difference]: Without dead ends: 248 [2023-11-23 20:38:23,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2023-11-23 20:38:23,219 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 54 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:23,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 11 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 20:38:23,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-11-23 20:38:23,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 247. [2023-11-23 20:38:23,230 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) [2023-11-23 20:38:23,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2023-11-23 20:38:23,231 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 243 [2023-11-23 20:38:23,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:23,233 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2023-11-23 20:38:23,233 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) [2023-11-23 20:38:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2023-11-23 20:38:23,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-23 20:38:23,236 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:23,237 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] [2023-11-23 20:38:23,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-23 20:38:23,237 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)] === [2023-11-23 20:38:23,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:23,238 INFO L85 PathProgramCache]: Analyzing trace with hash -395352156, now seen corresponding path program 1 times [2023-11-23 20:38:23,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:23,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418209653] [2023-11-23 20:38:23,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:23,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:24,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:24,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418209653] [2023-11-23 20:38:24,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418209653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:24,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:24,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:38:24,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038103933] [2023-11-23 20:38:24,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:24,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:38:24,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:24,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:38:24,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:38:24,160 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) [2023-11-23 20:38:24,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:24,651 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2023-11-23 20:38:24,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:38:24,651 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 [2023-11-23 20:38:24,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:24,652 INFO L225 Difference]: With dead ends: 249 [2023-11-23 20:38:24,652 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 20:38:24,654 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 [2023-11-23 20:38:24,654 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 305 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:24,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 5 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:38:24,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 20:38:24,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 20:38:24,655 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) [2023-11-23 20:38:24,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 20:38:24,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2023-11-23 20:38:24,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:24,656 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 20:38:24,656 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) [2023-11-23 20:38:24,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 20:38:24,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:38:24,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 16 remaining) [2023-11-23 20:38:24,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining) [2023-11-23 20:38:24,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (13 of 16 remaining) [2023-11-23 20:38:24,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining) [2023-11-23 20:38:24,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining) [2023-11-23 20:38:24,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining) [2023-11-23 20:38:24,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining) [2023-11-23 20:38:24,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2023-11-23 20:38:24,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining) [2023-11-23 20:38:24,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining) [2023-11-23 20:38:24,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining) [2023-11-23 20:38:24,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining) [2023-11-23 20:38:24,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining) [2023-11-23 20:38:24,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining) [2023-11-23 20:38:24,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining) [2023-11-23 20:38:24,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining) [2023-11-23 20:38:24,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-23 20:38:24,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 20:38:24,693 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2023-11-23 20:38:24,696 INFO L899 garLoopResultBuilder]: For program point L1555(lines 1555 2805) no Hoare annotation was computed. [2023-11-23 20:38:24,697 INFO L899 garLoopResultBuilder]: For program point L2546(lines 2546 2653) no Hoare annotation was computed. [2023-11-23 20:38:24,697 INFO L899 garLoopResultBuilder]: For program point L2480(lines 2480 2663) no Hoare annotation was computed. [2023-11-23 20:38:24,697 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 2978) no Hoare annotation was computed. [2023-11-23 20:38:24,697 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 255) no Hoare annotation was computed. [2023-11-23 20:38:24,697 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 2937) no Hoare annotation was computed. [2023-11-23 20:38:24,697 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 2785) no Hoare annotation was computed. [2023-11-23 20:38:24,698 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 2795) no Hoare annotation was computed. [2023-11-23 20:38:24,698 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 125) no Hoare annotation was computed. [2023-11-23 20:38:24,698 INFO L899 garLoopResultBuilder]: For program point L1953(lines 1953 2744) no Hoare annotation was computed. [2023-11-23 20:38:24,698 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 2917) no Hoare annotation was computed. [2023-11-23 20:38:24,698 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 2927) no Hoare annotation was computed. [2023-11-23 20:38:24,698 INFO L899 garLoopResultBuilder]: For program point L2614(lines 2614 2643) no Hoare annotation was computed. [2023-11-23 20:38:24,698 INFO L899 garLoopResultBuilder]: For program point L2218(lines 2218 2703) no Hoare annotation was computed. [2023-11-23 20:38:24,699 INFO L899 garLoopResultBuilder]: For program point L1095(lines 1095 2876) no Hoare annotation was computed. [2023-11-23 20:38:24,699 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 2835) no Hoare annotation was computed. [2023-11-23 20:38:24,699 INFO L899 garLoopResultBuilder]: For program point L2351(lines 2351 2683) no Hoare annotation was computed. [2023-11-23 20:38:24,699 INFO L899 garLoopResultBuilder]: For program point L2285(lines 2285 2693) no Hoare annotation was computed. [2023-11-23 20:38:24,699 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 193) no Hoare annotation was computed. [2023-11-23 20:38:24,699 INFO L899 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2023-11-23 20:38:24,700 INFO L899 garLoopResultBuilder]: For program point L2616(line 2616) no Hoare annotation was computed. [2023-11-23 20:38:24,700 INFO L899 garLoopResultBuilder]: For program point L502(lines 502 2967) no Hoare annotation was computed. [2023-11-23 20:38:24,701 INFO L899 garLoopResultBuilder]: For program point L1493(lines 1493 2815) no Hoare annotation was computed. [2023-11-23 20:38:24,701 INFO L899 garLoopResultBuilder]: For program point L1427(lines 1427 2825) no Hoare annotation was computed. [2023-11-23 20:38:24,701 INFO L899 garLoopResultBuilder]: For program point L1758(lines 1758 2774) no Hoare annotation was computed. [2023-11-23 20:38:24,702 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 2947) no Hoare annotation was computed. [2023-11-23 20:38:24,702 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 2957) no Hoare annotation was computed. [2023-11-23 20:38:24,702 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-11-23 20:38:24,702 INFO L899 garLoopResultBuilder]: For program point L2023(lines 2023 2733) no Hoare annotation was computed. [2023-11-23 20:38:24,702 INFO L899 garLoopResultBuilder]: For program point L900(lines 900 2906) no Hoare annotation was computed. [2023-11-23 20:38:24,705 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 2865) no Hoare annotation was computed. [2023-11-23 20:38:24,705 INFO L899 garLoopResultBuilder]: For program point L2156(lines 2156 2713) no Hoare annotation was computed. [2023-11-23 20:38:24,705 INFO L899 garLoopResultBuilder]: For program point L2090(lines 2090 2723) no Hoare annotation was computed. [2023-11-23 20:38:24,705 INFO L899 garLoopResultBuilder]: For program point L2421(lines 2421 2672) no Hoare annotation was computed. [2023-11-23 20:38:24,706 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 2997) no Hoare annotation was computed. [2023-11-23 20:38:24,706 INFO L899 garLoopResultBuilder]: For program point L1298(lines 1298 2845) no Hoare annotation was computed. [2023-11-23 20:38:24,706 INFO L899 garLoopResultBuilder]: For program point L1232(lines 1232 2855) no Hoare annotation was computed. [2023-11-23 20:38:24,706 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 2804) no Hoare annotation was computed. [2023-11-23 20:38:24,706 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 2977) no Hoare annotation was computed. [2023-11-23 20:38:24,706 INFO L899 garLoopResultBuilder]: For program point L374(lines 374 2987) no Hoare annotation was computed. [2023-11-23 20:38:24,706 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 16 3008) no Hoare annotation was computed. [2023-11-23 20:38:24,707 INFO L899 garLoopResultBuilder]: For program point L1828(lines 1828 2763) no Hoare annotation was computed. [2023-11-23 20:38:24,708 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 2936) no Hoare annotation was computed. [2023-11-23 20:38:24,708 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 55) no Hoare annotation was computed. [2023-11-23 20:38:24,708 INFO L899 garLoopResultBuilder]: For program point L970(lines 970 2895) no Hoare annotation was computed. [2023-11-23 20:38:24,709 INFO L899 garLoopResultBuilder]: For program point L1961(lines 1961 2743) no Hoare annotation was computed. [2023-11-23 20:38:24,709 INFO L899 garLoopResultBuilder]: For program point L1895(lines 1895 2753) no Hoare annotation was computed. [2023-11-23 20:38:24,709 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2023-11-23 20:38:24,709 INFO L899 garLoopResultBuilder]: For program point L2226(lines 2226 2702) no Hoare annotation was computed. [2023-11-23 20:38:24,710 INFO L899 garLoopResultBuilder]: For program point L1103(lines 1103 2875) no Hoare annotation was computed. [2023-11-23 20:38:24,734 INFO L899 garLoopResultBuilder]: For program point L1037(lines 1037 2885) no Hoare annotation was computed. [2023-11-23 20:38:24,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 2604) no Hoare annotation was computed. [2023-11-23 20:38:24,735 INFO L899 garLoopResultBuilder]: For program point L2623(lines 2623 2642) no Hoare annotation was computed. [2023-11-23 20:38:24,735 INFO L899 garLoopResultBuilder]: For program point L2491(lines 2491 2661) no Hoare annotation was computed. [2023-11-23 20:38:24,735 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 2834) no Hoare annotation was computed. [2023-11-23 20:38:24,735 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-23 20:38:24,735 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 2793) no Hoare annotation was computed. [2023-11-23 20:38:24,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2023-11-23 20:38:24,735 INFO L899 garLoopResultBuilder]: For program point L2558(lines 2558 2651) no Hoare annotation was computed. [2023-11-23 20:38:24,736 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 2966) no Hoare annotation was computed. [2023-11-23 20:38:24,736 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 281) no Hoare annotation was computed. [2023-11-23 20:38:24,736 INFO L899 garLoopResultBuilder]: For program point L775(lines 775 2925) no Hoare annotation was computed. [2023-11-23 20:38:24,736 INFO L899 garLoopResultBuilder]: For program point L1766(lines 1766 2773) no Hoare annotation was computed. [2023-11-23 20:38:24,736 INFO L899 garLoopResultBuilder]: For program point L1700(lines 1700 2783) no Hoare annotation was computed. [2023-11-23 20:38:24,736 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 123) no Hoare annotation was computed. [2023-11-23 20:38:24,737 INFO L899 garLoopResultBuilder]: For program point L2031(lines 2031 2732) no Hoare annotation was computed. [2023-11-23 20:38:24,737 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 2905) no Hoare annotation was computed. [2023-11-23 20:38:24,737 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 2915) no Hoare annotation was computed. [2023-11-23 20:38:24,737 INFO L899 garLoopResultBuilder]: For program point L2296(lines 2296 2691) no Hoare annotation was computed. [2023-11-23 20:38:24,737 INFO L899 garLoopResultBuilder]: For program point L1173(lines 1173 2864) no Hoare annotation was computed. [2023-11-23 20:38:24,737 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 2823) no Hoare annotation was computed. [2023-11-23 20:38:24,737 INFO L899 garLoopResultBuilder]: For program point L2429(lines 2429 2671) no Hoare annotation was computed. [2023-11-23 20:38:24,738 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 2996) no Hoare annotation was computed. [2023-11-23 20:38:24,738 INFO L899 garLoopResultBuilder]: For program point L2363(lines 2363 2681) no Hoare annotation was computed. [2023-11-23 20:38:24,738 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2023-11-23 20:38:24,738 INFO L899 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2023-11-23 20:38:24,738 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 2955) no Hoare annotation was computed. [2023-11-23 20:38:24,738 INFO L899 garLoopResultBuilder]: For program point L1571(lines 1571 2803) no Hoare annotation was computed. [2023-11-23 20:38:24,738 INFO L899 garLoopResultBuilder]: For program point L1505(lines 1505 2813) no Hoare annotation was computed. [2023-11-23 20:38:24,739 INFO L899 garLoopResultBuilder]: For program point L52(lines 21 3007) no Hoare annotation was computed. [2023-11-23 20:38:24,739 INFO L899 garLoopResultBuilder]: For program point L1836(lines 1836 2762) no Hoare annotation was computed. [2023-11-23 20:38:24,739 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 2935) no Hoare annotation was computed. [2023-11-23 20:38:24,739 INFO L899 garLoopResultBuilder]: For program point L647(lines 647 2945) no Hoare annotation was computed. [2023-11-23 20:38:24,741 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-11-23 20:38:24,741 INFO L899 garLoopResultBuilder]: For program point L2101(lines 2101 2721) no Hoare annotation was computed. [2023-11-23 20:38:24,741 INFO L899 garLoopResultBuilder]: For program point L978(lines 978 2894) no Hoare annotation was computed. [2023-11-23 20:38:24,741 INFO L899 garLoopResultBuilder]: For program point L1243(lines 1243 2853) no Hoare annotation was computed. [2023-11-23 20:38:24,742 INFO L899 garLoopResultBuilder]: For program point L2234(lines 2234 2701) no Hoare annotation was computed. [2023-11-23 20:38:24,745 INFO L899 garLoopResultBuilder]: For program point L2168(lines 2168 2711) no Hoare annotation was computed. [2023-11-23 20:38:24,745 INFO L899 garLoopResultBuilder]: For program point L2631(lines 2631 2641) no Hoare annotation was computed. [2023-11-23 20:38:24,745 INFO L899 garLoopResultBuilder]: For program point L2499(lines 2499 2660) no Hoare annotation was computed. [2023-11-23 20:38:24,745 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 2985) no Hoare annotation was computed. [2023-11-23 20:38:24,746 INFO L899 garLoopResultBuilder]: For program point L1376(lines 1376 2833) no Hoare annotation was computed. [2023-11-23 20:38:24,746 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 2843) no Hoare annotation was computed. [2023-11-23 20:38:24,746 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 275) no Hoare annotation was computed. [2023-11-23 20:38:24,748 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 2792) no Hoare annotation was computed. [2023-11-23 20:38:24,748 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 2965) no Hoare annotation was computed. [2023-11-23 20:38:24,748 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 2975) no Hoare annotation was computed. [2023-11-23 20:38:24,748 INFO L899 garLoopResultBuilder]: For program point L1906(lines 1906 2751) no Hoare annotation was computed. [2023-11-23 20:38:24,749 INFO L899 garLoopResultBuilder]: For program point L783(lines 783 2924) no Hoare annotation was computed. [2023-11-23 20:38:24,749 INFO L899 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2023-11-23 20:38:24,749 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 2883) no Hoare annotation was computed. [2023-11-23 20:38:24,749 INFO L899 garLoopResultBuilder]: For program point L2039(lines 2039 2731) no Hoare annotation was computed. [2023-11-23 20:38:24,749 INFO L899 garLoopResultBuilder]: For program point L1973(lines 1973 2741) no Hoare annotation was computed. [2023-11-23 20:38:24,749 INFO L899 garLoopResultBuilder]: For program point L2304(lines 2304 2690) no Hoare annotation was computed. [2023-11-23 20:38:24,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 20:38:24,750 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2023-11-23 20:38:24,750 INFO L899 garLoopResultBuilder]: For program point L1181(lines 1181 2863) no Hoare annotation was computed. [2023-11-23 20:38:24,750 INFO L899 garLoopResultBuilder]: For program point L1115(lines 1115 2873) no Hoare annotation was computed. [2023-11-23 20:38:24,750 INFO L899 garLoopResultBuilder]: For program point L2569(lines 2569 2649) no Hoare annotation was computed. [2023-11-23 20:38:24,750 INFO L899 garLoopResultBuilder]: For program point L1446(lines 1446 2822) no Hoare annotation was computed. [2023-11-23 20:38:24,751 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 2995) no Hoare annotation was computed. [2023-11-23 20:38:24,751 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 2781) no Hoare annotation was computed. [2023-11-23 20:38:24,751 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 2954) no Hoare annotation was computed. [2023-11-23 20:38:24,760 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2023-11-23 20:38:24,760 INFO L899 garLoopResultBuilder]: For program point L853(lines 853 2913) no Hoare annotation was computed. [2023-11-23 20:38:24,760 INFO L899 garLoopResultBuilder]: For program point L1844(lines 1844 2761) no Hoare annotation was computed. [2023-11-23 20:38:24,760 INFO L899 garLoopResultBuilder]: For program point L1778(lines 1778 2771) no Hoare annotation was computed. [2023-11-23 20:38:24,760 INFO L899 garLoopResultBuilder]: For program point L2109(lines 2109 2720) no Hoare annotation was computed. [2023-11-23 20:38:24,761 INFO L899 garLoopResultBuilder]: For program point L986(lines 986 2893) no Hoare annotation was computed. [2023-11-23 20:38:24,761 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 2903) no Hoare annotation was computed. [2023-11-23 20:38:24,761 INFO L899 garLoopResultBuilder]: For program point L2374(lines 2374 2679) no Hoare annotation was computed. [2023-11-23 20:38:24,761 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 2852) no Hoare annotation was computed. [2023-11-23 20:38:24,761 INFO L899 garLoopResultBuilder]: For program point L1516(lines 1516 2811) no Hoare annotation was computed. [2023-11-23 20:38:24,761 INFO L899 garLoopResultBuilder]: For program point L2507(lines 2507 2659) no Hoare annotation was computed. [2023-11-23 20:38:24,761 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 2984) no Hoare annotation was computed. [2023-11-23 20:38:24,762 INFO L899 garLoopResultBuilder]: For program point L2441(lines 2441 2669) no Hoare annotation was computed. [2023-11-23 20:38:24,762 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 2943) no Hoare annotation was computed. [2023-11-23 20:38:24,762 INFO L899 garLoopResultBuilder]: For program point L1649(lines 1649 2791) no Hoare annotation was computed. [2023-11-23 20:38:24,762 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 2801) no Hoare annotation was computed. [2023-11-23 20:38:24,762 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 3001) no Hoare annotation was computed. [2023-11-23 20:38:24,762 INFO L899 garLoopResultBuilder]: For program point L1914(lines 1914 2750) no Hoare annotation was computed. [2023-11-23 20:38:24,762 INFO L899 garLoopResultBuilder]: For program point L791(lines 791 2923) no Hoare annotation was computed. [2023-11-23 20:38:24,763 INFO L899 garLoopResultBuilder]: For program point L725(lines 725 2933) no Hoare annotation was computed. [2023-11-23 20:38:24,763 INFO L899 garLoopResultBuilder]: For program point L2179(lines 2179 2709) no Hoare annotation was computed. [2023-11-23 20:38:24,763 INFO L899 garLoopResultBuilder]: For program point L1056(lines 1056 2882) no Hoare annotation was computed. [2023-11-23 20:38:24,763 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2023-11-23 20:38:24,763 INFO L899 garLoopResultBuilder]: For program point L1321(lines 1321 2841) no Hoare annotation was computed. [2023-11-23 20:38:24,763 INFO L899 garLoopResultBuilder]: For program point L2312(lines 2312 2689) no Hoare annotation was computed. [2023-11-23 20:38:24,764 INFO L899 garLoopResultBuilder]: For program point L2246(lines 2246 2699) no Hoare annotation was computed. [2023-11-23 20:38:24,764 INFO L899 garLoopResultBuilder]: For program point L198(lines 132 282) no Hoare annotation was computed. [2023-11-23 20:38:24,764 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 282) no Hoare annotation was computed. [2023-11-23 20:38:24,764 INFO L899 garLoopResultBuilder]: For program point L2577(lines 2577 2648) no Hoare annotation was computed. [2023-11-23 20:38:24,764 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 2973) no Hoare annotation was computed. [2023-11-23 20:38:24,764 INFO L899 garLoopResultBuilder]: For program point L1454(lines 1454 2821) no Hoare annotation was computed. [2023-11-23 20:38:24,764 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 2831) no Hoare annotation was computed. [2023-11-23 20:38:24,765 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 273) no Hoare annotation was computed. [2023-11-23 20:38:24,765 INFO L899 garLoopResultBuilder]: For program point L67(lines 64 3001) no Hoare annotation was computed. [2023-11-23 20:38:24,765 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 2780) no Hoare annotation was computed. [2023-11-23 20:38:24,765 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 2953) no Hoare annotation was computed. [2023-11-23 20:38:24,765 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 2963) no Hoare annotation was computed. [2023-11-23 20:38:24,765 INFO L899 garLoopResultBuilder]: For program point L1984(lines 1984 2739) no Hoare annotation was computed. [2023-11-23 20:38:24,765 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 2912) no Hoare annotation was computed. [2023-11-23 20:38:24,766 INFO L899 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2023-11-23 20:38:24,766 INFO L899 garLoopResultBuilder]: For program point L1126(lines 1126 2871) no Hoare annotation was computed. [2023-11-23 20:38:24,766 INFO L899 garLoopResultBuilder]: For program point L2117(lines 2117 2719) no Hoare annotation was computed. [2023-11-23 20:38:24,766 INFO L899 garLoopResultBuilder]: For program point L2051(lines 2051 2729) no Hoare annotation was computed. [2023-11-23 20:38:24,766 INFO L899 garLoopResultBuilder]: For program point L2382(lines 2382 2678) no Hoare annotation was computed. [2023-11-23 20:38:24,766 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 2851) no Hoare annotation was computed. [2023-11-23 20:38:24,766 INFO L899 garLoopResultBuilder]: For program point L1193(lines 1193 2861) no Hoare annotation was computed. [2023-11-23 20:38:24,767 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 240) no Hoare annotation was computed. [2023-11-23 20:38:24,767 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2023-11-23 20:38:24,767 INFO L899 garLoopResultBuilder]: For program point L1524(lines 1524 2810) no Hoare annotation was computed. [2023-11-23 20:38:24,767 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 2983) no Hoare annotation was computed. [2023-11-23 20:38:24,767 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 2993) no Hoare annotation was computed. [2023-11-23 20:38:24,767 INFO L899 garLoopResultBuilder]: For program point L1789(lines 1789 2769) no Hoare annotation was computed. [2023-11-23 20:38:24,767 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 2942) no Hoare annotation was computed. [2023-11-23 20:38:24,768 INFO L899 garLoopResultBuilder]: For program point L931(lines 931 2901) no Hoare annotation was computed. [2023-11-23 20:38:24,768 INFO L899 garLoopResultBuilder]: For program point L1922(lines 1922 2749) no Hoare annotation was computed. [2023-11-23 20:38:24,769 INFO L899 garLoopResultBuilder]: For program point L1856(lines 1856 2759) no Hoare annotation was computed. [2023-11-23 20:38:24,769 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 229) no Hoare annotation was computed. [2023-11-23 20:38:24,769 INFO L899 garLoopResultBuilder]: For program point L2187(lines 2187 2708) no Hoare annotation was computed. [2023-11-23 20:38:24,769 INFO L899 garLoopResultBuilder]: For program point L1064(lines 1064 2881) no Hoare annotation was computed. [2023-11-23 20:38:24,769 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 2891) no Hoare annotation was computed. [2023-11-23 20:38:24,769 INFO L899 garLoopResultBuilder]: For program point L2452(lines 2452 2667) no Hoare annotation was computed. [2023-11-23 20:38:24,774 INFO L899 garLoopResultBuilder]: For program point L1329(lines 1329 2840) no Hoare annotation was computed. [2023-11-23 20:38:24,774 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 286) no Hoare annotation was computed. [2023-11-23 20:38:24,775 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 2799) no Hoare annotation was computed. [2023-11-23 20:38:24,775 INFO L899 garLoopResultBuilder]: For program point L2585(lines 2585 2647) no Hoare annotation was computed. [2023-11-23 20:38:24,775 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 2972) no Hoare annotation was computed. [2023-11-23 20:38:24,775 INFO L899 garLoopResultBuilder]: For program point L2519(lines 2519 2657) no Hoare annotation was computed. [2023-11-23 20:38:24,775 INFO L899 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2023-11-23 20:38:24,775 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 2931) no Hoare annotation was computed. [2023-11-23 20:38:24,776 INFO L899 garLoopResultBuilder]: For program point L1727(lines 1727 2779) no Hoare annotation was computed. [2023-11-23 20:38:24,776 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 2789) no Hoare annotation was computed. [2023-11-23 20:38:24,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2023-11-23 20:38:24,776 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-11-23 20:38:24,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2023-11-23 20:38:24,776 INFO L899 garLoopResultBuilder]: For program point L1992(lines 1992 2738) no Hoare annotation was computed. [2023-11-23 20:38:24,776 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 2911) no Hoare annotation was computed. [2023-11-23 20:38:24,777 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 2921) no Hoare annotation was computed. [2023-11-23 20:38:24,777 INFO L899 garLoopResultBuilder]: For program point L2257(lines 2257 2697) no Hoare annotation was computed. [2023-11-23 20:38:24,777 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 234) no Hoare annotation was computed. [2023-11-23 20:38:24,777 INFO L899 garLoopResultBuilder]: For program point L1134(lines 1134 2870) no Hoare annotation was computed. [2023-11-23 20:38:24,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2023-11-23 20:38:24,777 INFO L899 garLoopResultBuilder]: For program point L1399(lines 1399 2829) no Hoare annotation was computed. [2023-11-23 20:38:24,778 INFO L899 garLoopResultBuilder]: For program point L2390(lines 2390 2677) no Hoare annotation was computed. [2023-11-23 20:38:24,778 INFO L899 garLoopResultBuilder]: For program point L2324(lines 2324 2687) no Hoare annotation was computed. [2023-11-23 20:38:24,778 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 2616) no Hoare annotation was computed. [2023-11-23 20:38:24,778 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 2961) no Hoare annotation was computed. [2023-11-23 20:38:24,778 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 2809) no Hoare annotation was computed. [2023-11-23 20:38:24,778 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 2819) no Hoare annotation was computed. [2023-11-23 20:38:24,778 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-11-23 20:38:24,779 INFO L899 garLoopResultBuilder]: For program point L1797(lines 1797 2768) no Hoare annotation was computed. [2023-11-23 20:38:24,779 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 2941) no Hoare annotation was computed. [2023-11-23 20:38:24,779 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 2951) no Hoare annotation was computed. [2023-11-23 20:38:24,779 INFO L899 garLoopResultBuilder]: For program point L2062(lines 2062 2727) no Hoare annotation was computed. [2023-11-23 20:38:24,779 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 2900) no Hoare annotation was computed. [2023-11-23 20:38:24,779 INFO L899 garLoopResultBuilder]: For program point L1204(lines 1204 2859) no Hoare annotation was computed. [2023-11-23 20:38:24,780 INFO L899 garLoopResultBuilder]: For program point L2195(lines 2195 2707) no Hoare annotation was computed. [2023-11-23 20:38:24,780 INFO L899 garLoopResultBuilder]: For program point L2129(lines 2129 2717) no Hoare annotation was computed. [2023-11-23 20:38:24,780 INFO L899 garLoopResultBuilder]: For program point L2460(lines 2460 2666) no Hoare annotation was computed. [2023-11-23 20:38:24,783 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 2991) no Hoare annotation was computed. [2023-11-23 20:38:24,783 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 2839) no Hoare annotation was computed. [2023-11-23 20:38:24,783 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 2849) no Hoare annotation was computed. [2023-11-23 20:38:24,783 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 2798) no Hoare annotation was computed. [2023-11-23 20:38:24,783 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 2971) no Hoare annotation was computed. [2023-11-23 20:38:24,784 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 2981) no Hoare annotation was computed. [2023-11-23 20:38:24,784 INFO L899 garLoopResultBuilder]: For program point L1867(lines 1867 2757) no Hoare annotation was computed. [2023-11-23 20:38:24,784 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 2930) no Hoare annotation was computed. [2023-11-23 20:38:24,784 INFO L899 garLoopResultBuilder]: For program point L2594(lines 2591 2647) no Hoare annotation was computed. [2023-11-23 20:38:24,784 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 2889) no Hoare annotation was computed. [2023-11-23 20:38:24,784 INFO L899 garLoopResultBuilder]: For program point L2000(lines 2000 2737) no Hoare annotation was computed. [2023-11-23 20:38:24,785 INFO L899 garLoopResultBuilder]: For program point L1934(lines 1934 2747) no Hoare annotation was computed. [2023-11-23 20:38:24,785 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 227) no Hoare annotation was computed. [2023-11-23 20:38:24,785 INFO L899 garLoopResultBuilder]: For program point L2265(lines 2265 2696) no Hoare annotation was computed. [2023-11-23 20:38:24,785 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 2869) no Hoare annotation was computed. [2023-11-23 20:38:24,786 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 2879) no Hoare annotation was computed. [2023-11-23 20:38:24,786 INFO L899 garLoopResultBuilder]: For program point L2530(lines 2530 2655) no Hoare annotation was computed. [2023-11-23 20:38:24,786 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 2828) no Hoare annotation was computed. [2023-11-23 20:38:24,786 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 284) no Hoare annotation was computed. [2023-11-23 20:38:24,787 INFO L899 garLoopResultBuilder]: For program point L1672(lines 1672 2787) no Hoare annotation was computed. [2023-11-23 20:38:24,787 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 2960) no Hoare annotation was computed. [2023-11-23 20:38:24,787 INFO L899 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2023-11-23 20:38:24,787 INFO L899 garLoopResultBuilder]: For program point L21(lines 21 3007) no Hoare annotation was computed. [2023-11-23 20:38:24,792 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 2919) no Hoare annotation was computed. [2023-11-23 20:38:24,792 INFO L899 garLoopResultBuilder]: For program point L1805(lines 1805 2767) no Hoare annotation was computed. [2023-11-23 20:38:24,792 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 2777) no Hoare annotation was computed. [2023-11-23 20:38:24,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2023-11-23 20:38:24,793 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-11-23 20:38:24,793 INFO L899 garLoopResultBuilder]: For program point L2070(lines 2070 2726) no Hoare annotation was computed. [2023-11-23 20:38:24,793 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 2899) no Hoare annotation was computed. [2023-11-23 20:38:24,793 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 2909) no Hoare annotation was computed. [2023-11-23 20:38:24,793 INFO L899 garLoopResultBuilder]: For program point L2335(lines 2335 2685) no Hoare annotation was computed. [2023-11-23 20:38:24,793 INFO L899 garLoopResultBuilder]: For program point L1212(lines 1212 2858) no Hoare annotation was computed. [2023-11-23 20:38:24,793 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 232) no Hoare annotation was computed. [2023-11-23 20:38:24,794 INFO L899 garLoopResultBuilder]: For program point L1477(lines 1477 2817) no Hoare annotation was computed. [2023-11-23 20:38:24,794 INFO L899 garLoopResultBuilder]: For program point L2468(lines 2468 2665) no Hoare annotation was computed. [2023-11-23 20:38:24,794 INFO L899 garLoopResultBuilder]: For program point L2402(lines 2402 2675) no Hoare annotation was computed. [2023-11-23 20:38:24,794 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 2990) no Hoare annotation was computed. [2023-11-23 20:38:24,795 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2023-11-23 20:38:24,795 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 2949) no Hoare annotation was computed. [2023-11-23 20:38:24,795 INFO L899 garLoopResultBuilder]: For program point L1610(lines 1610 2797) no Hoare annotation was computed. [2023-11-23 20:38:24,795 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 2807) no Hoare annotation was computed. [2023-11-23 20:38:24,797 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2023-11-23 20:38:24,798 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 3002) no Hoare annotation was computed. [2023-11-23 20:38:24,798 INFO L899 garLoopResultBuilder]: For program point L1875(lines 1875 2756) no Hoare annotation was computed. [2023-11-23 20:38:24,798 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 2929) no Hoare annotation was computed. [2023-11-23 20:38:24,799 INFO L899 garLoopResultBuilder]: For program point L686(lines 686 2939) no Hoare annotation was computed. [2023-11-23 20:38:24,800 INFO L899 garLoopResultBuilder]: For program point L2602(lines 2602 2645) no Hoare annotation was computed. [2023-11-23 20:38:24,800 INFO L899 garLoopResultBuilder]: For program point L2140(lines 2140 2715) no Hoare annotation was computed. [2023-11-23 20:38:24,800 INFO L899 garLoopResultBuilder]: For program point L1017(lines 1017 2888) no Hoare annotation was computed. [2023-11-23 20:38:24,800 INFO L899 garLoopResultBuilder]: For program point L1282(lines 1282 2847) no Hoare annotation was computed. [2023-11-23 20:38:24,800 INFO L899 garLoopResultBuilder]: For program point L2273(lines 2273 2695) no Hoare annotation was computed. [2023-11-23 20:38:24,800 INFO L899 garLoopResultBuilder]: For program point L2207(lines 2207 2705) no Hoare annotation was computed. [2023-11-23 20:38:24,800 INFO L899 garLoopResultBuilder]: For program point L27(lines 25 3002) no Hoare annotation was computed. [2023-11-23 20:38:24,801 INFO L899 garLoopResultBuilder]: For program point L2604(line 2604) no Hoare annotation was computed. [2023-11-23 20:38:24,803 INFO L899 garLoopResultBuilder]: For program point L2538(lines 2538 2654) no Hoare annotation was computed. [2023-11-23 20:38:24,803 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 2979) no Hoare annotation was computed. [2023-11-23 20:38:24,803 INFO L899 garLoopResultBuilder]: For program point L1415(lines 1415 2827) no Hoare annotation was computed. [2023-11-23 20:38:24,803 INFO L899 garLoopResultBuilder]: For program point L1349(lines 1349 2837) no Hoare annotation was computed. [2023-11-23 20:38:24,803 INFO L899 garLoopResultBuilder]: For program point L1680(lines 1680 2786) no Hoare annotation was computed. [2023-11-23 20:38:24,803 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 2959) no Hoare annotation was computed. [2023-11-23 20:38:24,803 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 2969) no Hoare annotation was computed. [2023-11-23 20:38:24,804 INFO L899 garLoopResultBuilder]: For program point L1945(lines 1945 2745) no Hoare annotation was computed. [2023-11-23 20:38:24,804 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 2918) no Hoare annotation was computed. [2023-11-23 20:38:24,804 INFO L899 garLoopResultBuilder]: For program point $Ultimate##16(lines 96 283) no Hoare annotation was computed. [2023-11-23 20:38:24,804 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 20:38:24,804 INFO L899 garLoopResultBuilder]: For program point L1087(lines 1087 2877) no Hoare annotation was computed. [2023-11-23 20:38:24,804 INFO L899 garLoopResultBuilder]: For program point L2078(lines 2078 2725) no Hoare annotation was computed. [2023-11-23 20:38:24,805 INFO L899 garLoopResultBuilder]: For program point L2012(lines 2012 2735) no Hoare annotation was computed. [2023-11-23 20:38:24,806 INFO L899 garLoopResultBuilder]: For program point L2343(lines 2343 2684) no Hoare annotation was computed. [2023-11-23 20:38:24,806 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 2857) no Hoare annotation was computed. [2023-11-23 20:38:24,806 INFO L899 garLoopResultBuilder]: For program point L1154(lines 1154 2867) no Hoare annotation was computed. [2023-11-23 20:38:24,806 INFO L899 garLoopResultBuilder]: For program point L1485(lines 1485 2816) no Hoare annotation was computed. [2023-11-23 20:38:24,806 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 2989) no Hoare annotation was computed. [2023-11-23 20:38:24,806 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 2999) no Hoare annotation was computed. [2023-11-23 20:38:24,807 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 231) no Hoare annotation was computed. [2023-11-23 20:38:24,807 INFO L899 garLoopResultBuilder]: For program point L1750(lines 1750 2775) no Hoare annotation was computed. [2023-11-23 20:38:24,808 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 2948) no Hoare annotation was computed. [2023-11-23 20:38:24,812 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 57) no Hoare annotation was computed. [2023-11-23 20:38:24,812 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 2907) no Hoare annotation was computed. [2023-11-23 20:38:24,812 INFO L899 garLoopResultBuilder]: For program point L1883(lines 1883 2755) no Hoare annotation was computed. [2023-11-23 20:38:24,813 INFO L899 garLoopResultBuilder]: For program point L1817(lines 1817 2765) no Hoare annotation was computed. [2023-11-23 20:38:24,813 INFO L899 garLoopResultBuilder]: For program point L2148(lines 2148 2714) no Hoare annotation was computed. [2023-11-23 20:38:24,813 INFO L899 garLoopResultBuilder]: For program point L1025(lines 1025 2887) no Hoare annotation was computed. [2023-11-23 20:38:24,813 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 2897) no Hoare annotation was computed. [2023-11-23 20:38:24,813 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2023-11-23 20:38:24,813 INFO L899 garLoopResultBuilder]: For program point L2413(lines 2413 2673) no Hoare annotation was computed. [2023-11-23 20:38:24,814 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 2846) no Hoare annotation was computed. [2023-11-23 20:38:24,814 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-23 20:38:24,819 INFO L445 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] [2023-11-23 20:38:24,825 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:38:24,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:38:24 BoogieIcfgContainer [2023-11-23 20:38:24,835 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:38:24,836 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:38:24,836 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:38:24,836 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:38:24,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:04" (3/4) ... [2023-11-23 20:38:24,838 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:38:24,870 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-23 20:38:24,874 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:38:24,877 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:38:24,881 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:38:25,151 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:38:25,152 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:38:25,152 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:38:25,153 INFO L158 Benchmark]: Toolchain (without parser) took 23393.38ms. Allocated memory was 159.4MB in the beginning and 362.8MB in the end (delta: 203.4MB). Free memory was 123.9MB in the beginning and 217.2MB in the end (delta: -93.4MB). Peak memory consumption was 110.5MB. Max. memory is 16.1GB. [2023-11-23 20:38:25,153 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:38:25,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1035.82ms. Allocated memory is still 159.4MB. Free memory was 123.9MB in the beginning and 78.3MB in the end (delta: 45.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-23 20:38:25,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 236.83ms. Allocated memory is still 159.4MB. Free memory was 78.3MB in the beginning and 121.4MB in the end (delta: -43.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:38:25,154 INFO L158 Benchmark]: Boogie Preprocessor took 130.34ms. Allocated memory is still 159.4MB. Free memory was 121.4MB in the beginning and 116.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:38:25,155 INFO L158 Benchmark]: RCFGBuilder took 1663.06ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 116.6MB in the beginning and 169.1MB in the end (delta: -52.5MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2023-11-23 20:38:25,156 INFO L158 Benchmark]: TraceAbstraction took 20000.72ms. Allocated memory was 209.7MB in the beginning and 362.8MB in the end (delta: 153.1MB). Free memory was 168.0MB in the beginning and 241.4MB in the end (delta: -73.4MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2023-11-23 20:38:25,156 INFO L158 Benchmark]: Witness Printer took 316.55ms. Allocated memory is still 362.8MB. Free memory was 241.4MB in the beginning and 217.2MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:38:25,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1035.82ms. Allocated memory is still 159.4MB. Free memory was 123.9MB in the beginning and 78.3MB in the end (delta: 45.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 236.83ms. Allocated memory is still 159.4MB. Free memory was 78.3MB in the beginning and 121.4MB in the end (delta: -43.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.34ms. Allocated memory is still 159.4MB. Free memory was 121.4MB in the beginning and 116.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1663.06ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 116.6MB in the beginning and 169.1MB in the end (delta: -52.5MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * TraceAbstraction took 20000.72ms. Allocated memory was 209.7MB in the beginning and 362.8MB in the end (delta: 153.1MB). Free memory was 168.0MB in the beginning and 241.4MB in the end (delta: -73.4MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. * Witness Printer took 316.55ms. Allocated memory is still 362.8MB. Free memory was 241.4MB in the beginning and 217.2MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 47]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 76]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 88]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 105]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 117]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 145]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 157]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 173]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 185]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 207]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 219]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 255]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 267]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 2604]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 2616]: a call to reach_error is unreachable For all program executions holds that a 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: 19.9s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5253 SdHoareTripleChecker+Valid, 9.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5253 mSDsluCounter, 9342 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5376 mSDsCounter, 1209 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12802 IncrementalHoareTripleChecker+Invalid, 14011 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1209 mSolverCounterUnsat, 3966 mSDtfsCounter, 12802 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s 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: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 150 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 723 NumberOfCodeBlocks, 723 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 702 ConstructedInterpolants, 0 QuantifiedInterpolants, 1789 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 RESULT: Ultimate proved your program to be correct! [2023-11-23 20:38:25,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95d9d-a91d-405a-ba16-b80a78efb3f2/bin/utaipan-verify-mE87zJ7Ire/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