./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8381803db0f296b6c475c94ca7dd8f9a2c79c383b82b37638a653c8556f3f15c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:26:19,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:26:19,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:26:19,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:26:19,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:26:19,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:26:19,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:26:19,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:26:19,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:26:19,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:26:19,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:26:19,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:26:19,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:26:19,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:26:19,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:26:19,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:26:19,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:26:19,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:26:19,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:26:19,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:26:19,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:26:19,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:26:19,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:26:19,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:26:19,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:26:19,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:26:19,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:26:19,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:26:19,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:26:19,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:26:19,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:26:19,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:26:19,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:26:19,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:26:19,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:26:19,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:26:19,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:26:19,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:26:19,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:26:19,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:26:19,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:26:19,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:26:19,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:26:19,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:26:19,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:26:19,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:26:19,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:26:19,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:26:19,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:26:19,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:26:19,410 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:26:19,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:26:19,411 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:26:19,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:26:19,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:26:19,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:26:19,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:26:19,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:26:19,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:26:19,412 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:26:19,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:26:19,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:26:19,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:26:19,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:26:19,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:26:19,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:26:19,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:26:19,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:26:19,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:26:19,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:26:19,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:26:19,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:26:19,416 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:26:19,416 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:26:19,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:26:19,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8381803db0f296b6c475c94ca7dd8f9a2c79c383b82b37638a653c8556f3f15c [2022-11-18 20:26:19,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:26:19,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:26:19,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:26:19,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:26:19,869 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:26:19,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-11-18 20:26:19,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/data/c96790d34/56a06163c486460685100161fe32d2b9/FLAG8e66802e6 [2022-11-18 20:26:20,831 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:26:20,832 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-11-18 20:26:20,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/data/c96790d34/56a06163c486460685100161fe32d2b9/FLAG8e66802e6 [2022-11-18 20:26:20,944 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/data/c96790d34/56a06163c486460685100161fe32d2b9 [2022-11-18 20:26:20,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:26:20,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:26:20,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:26:20,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:26:20,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:26:20,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:26:20" (1/1) ... [2022-11-18 20:26:20,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c94b478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:20, skipping insertion in model container [2022-11-18 20:26:20,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:26:20" (1/1) ... [2022-11-18 20:26:20,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:26:21,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:26:21,598 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11561,11574] [2022-11-18 20:26:21,650 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15618,15631] [2022-11-18 20:26:21,663 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16839,16852] [2022-11-18 20:26:21,672 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17545,17558] [2022-11-18 20:26:21,686 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19131,19144] [2022-11-18 20:26:21,694 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19837,19850] [2022-11-18 20:26:21,704 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20908,20921] [2022-11-18 20:26:21,728 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23398,23411] [2022-11-18 20:26:21,736 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24107,24120] [2022-11-18 20:26:21,750 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25144,25157] [2022-11-18 20:26:21,766 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27082,27095] [2022-11-18 20:26:21,796 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31116,31129] [2022-11-18 20:26:21,803 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31825,31838] [2022-11-18 20:26:21,812 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32899,32912] [2022-11-18 20:26:21,827 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34874,34887] [2022-11-18 20:26:21,851 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38255,38268] [2022-11-18 20:26:22,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:26:22,122 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:26:22,279 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11561,11574] [2022-11-18 20:26:22,311 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15618,15631] [2022-11-18 20:26:22,325 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16839,16852] [2022-11-18 20:26:22,336 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17545,17558] [2022-11-18 20:26:22,368 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19131,19144] [2022-11-18 20:26:22,379 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19837,19850] [2022-11-18 20:26:22,392 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20908,20921] [2022-11-18 20:26:22,421 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23398,23411] [2022-11-18 20:26:22,431 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24107,24120] [2022-11-18 20:26:22,447 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25144,25157] [2022-11-18 20:26:22,470 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27082,27095] [2022-11-18 20:26:22,515 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31116,31129] [2022-11-18 20:26:22,525 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31825,31838] [2022-11-18 20:26:22,540 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32899,32912] [2022-11-18 20:26:22,565 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34874,34887] [2022-11-18 20:26:22,594 WARN L234 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_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38255,38268] [2022-11-18 20:26:22,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:26:22,818 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:26:22,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22 WrapperNode [2022-11-18 20:26:22,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:26:22,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:26:22,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:26:22,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:26:22,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (1/1) ... [2022-11-18 20:26:22,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (1/1) ... [2022-11-18 20:26:23,004 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3485 [2022-11-18 20:26:23,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:26:23,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:26:23,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:26:23,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:26:23,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (1/1) ... [2022-11-18 20:26:23,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (1/1) ... [2022-11-18 20:26:23,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (1/1) ... [2022-11-18 20:26:23,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (1/1) ... [2022-11-18 20:26:23,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (1/1) ... [2022-11-18 20:26:23,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (1/1) ... [2022-11-18 20:26:23,096 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (1/1) ... [2022-11-18 20:26:23,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (1/1) ... [2022-11-18 20:26:23,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:26:23,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:26:23,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:26:23,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:26:23,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (1/1) ... [2022-11-18 20:26:23,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:26:23,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:23,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:26:23,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d9958e-8db2-47c7-a7d5-1ef0f46ae0e5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:26:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:26:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:26:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:26:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:26:23,597 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:26:23,600 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:26:26,157 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:26:26,192 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:26:26,193 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:26:26,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:26 BoogieIcfgContainer [2022-11-18 20:26:26,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:26:26,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:26:26,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:26:26,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:26:26,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:26:20" (1/3) ... [2022-11-18 20:26:26,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed010e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:26:26, skipping insertion in model container [2022-11-18 20:26:26,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:22" (2/3) ... [2022-11-18 20:26:26,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed010e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:26:26, skipping insertion in model container [2022-11-18 20:26:26,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:26" (3/3) ... [2022-11-18 20:26:26,222 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-11-18 20:26:26,258 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:26:26,271 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-18 20:26:26,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:26:26,418 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8e68dc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:26:26,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-18 20:26:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 629 states, 612 states have (on average 1.8480392156862746) internal successors, (1131), 628 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:26,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-18 20:26:26,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:26,464 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] [2022-11-18 20:26:26,465 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:26,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:26,471 INFO L85 PathProgramCache]: Analyzing trace with hash -729096350, now seen corresponding path program 1 times [2022-11-18 20:26:26,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:26,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051291278] [2022-11-18 20:26:26,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:26,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:27,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:27,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051291278] [2022-11-18 20:26:27,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051291278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:27,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:27,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:26:27,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83407508] [2022-11-18 20:26:27,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:27,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:26:27,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:27,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:26:27,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:26:27,414 INFO L87 Difference]: Start difference. First operand has 629 states, 612 states have (on average 1.8480392156862746) internal successors, (1131), 628 states have internal predecessors, (1131), 0 states have call successors, (0), 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 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:28,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:28,216 INFO L93 Difference]: Finished difference Result 976 states and 1692 transitions. [2022-11-18 20:26:28,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:26:28,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-11-18 20:26:28,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:28,253 INFO L225 Difference]: With dead ends: 976 [2022-11-18 20:26:28,253 INFO L226 Difference]: Without dead ends: 504 [2022-11-18 20:26:28,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:26:28,262 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 2533 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2533 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:28,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2533 Valid, 621 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 20:26:28,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-11-18 20:26:28,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2022-11-18 20:26:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 488 states have (on average 1.305327868852459) internal successors, (637), 503 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 637 transitions. [2022-11-18 20:26:28,374 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 637 transitions. Word has length 72 [2022-11-18 20:26:28,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:28,375 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 637 transitions. [2022-11-18 20:26:28,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 637 transitions. [2022-11-18 20:26:28,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-18 20:26:28,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:28,379 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] [2022-11-18 20:26:28,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:26:28,380 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:28,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:28,380 INFO L85 PathProgramCache]: Analyzing trace with hash -2012921467, now seen corresponding path program 1 times [2022-11-18 20:26:28,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:28,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742466726] [2022-11-18 20:26:28,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:28,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:28,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:28,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742466726] [2022-11-18 20:26:28,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742466726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:28,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:28,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:26:28,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802705535] [2022-11-18 20:26:28,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:28,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:26:28,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:28,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:26:28,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:26:28,713 INFO L87 Difference]: Start difference. First operand 504 states and 637 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:29,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:29,220 INFO L93 Difference]: Finished difference Result 842 states and 1093 transitions. [2022-11-18 20:26:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:26:29,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-11-18 20:26:29,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:29,224 INFO L225 Difference]: With dead ends: 842 [2022-11-18 20:26:29,224 INFO L226 Difference]: Without dead ends: 440 [2022-11-18 20:26:29,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:26:29,233 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 1646 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1646 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:29,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1646 Valid, 337 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:26:29,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-11-18 20:26:29,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-11-18 20:26:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 424 states have (on average 1.330188679245283) internal successors, (564), 439 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 564 transitions. [2022-11-18 20:26:29,280 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 564 transitions. Word has length 73 [2022-11-18 20:26:29,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:29,281 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 564 transitions. [2022-11-18 20:26:29,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:29,281 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 564 transitions. [2022-11-18 20:26:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-18 20:26:29,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:29,283 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] [2022-11-18 20:26:29,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:26:29,284 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:29,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:29,285 INFO L85 PathProgramCache]: Analyzing trace with hash -800948093, now seen corresponding path program 1 times [2022-11-18 20:26:29,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:29,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106201624] [2022-11-18 20:26:29,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:29,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:29,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:29,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106201624] [2022-11-18 20:26:29,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106201624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:29,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:29,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:26:29,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442950395] [2022-11-18 20:26:29,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:29,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:26:29,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:29,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:26:29,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:26:29,552 INFO L87 Difference]: Start difference. First operand 440 states and 564 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:30,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:30,083 INFO L93 Difference]: Finished difference Result 778 states and 1019 transitions. [2022-11-18 20:26:30,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:26:30,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-11-18 20:26:30,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:30,086 INFO L225 Difference]: With dead ends: 778 [2022-11-18 20:26:30,086 INFO L226 Difference]: Without dead ends: 420 [2022-11-18 20:26:30,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:26:30,088 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 1514 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:30,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 302 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:26:30,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-11-18 20:26:30,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2022-11-18 20:26:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 404 states have (on average 1.3341584158415842) internal successors, (539), 419 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:30,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 539 transitions. [2022-11-18 20:26:30,126 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 539 transitions. Word has length 74 [2022-11-18 20:26:30,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:30,127 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 539 transitions. [2022-11-18 20:26:30,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:30,128 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 539 transitions. [2022-11-18 20:26:30,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-18 20:26:30,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:30,130 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] [2022-11-18 20:26:30,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:26:30,131 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:30,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:30,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1628151892, now seen corresponding path program 1 times [2022-11-18 20:26:30,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:30,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181772436] [2022-11-18 20:26:30,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:30,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:30,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:30,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181772436] [2022-11-18 20:26:30,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181772436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:30,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:30,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:26:30,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330482040] [2022-11-18 20:26:30,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:30,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:26:30,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:30,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:26:30,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:26:30,312 INFO L87 Difference]: Start difference. First operand 420 states and 539 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:30,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:30,802 INFO L93 Difference]: Finished difference Result 758 states and 993 transitions. [2022-11-18 20:26:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:26:30,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-11-18 20:26:30,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:30,806 INFO L225 Difference]: With dead ends: 758 [2022-11-18 20:26:30,806 INFO L226 Difference]: Without dead ends: 404 [2022-11-18 20:26:30,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:26:30,811 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 1475 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:30,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 308 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:26:30,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-11-18 20:26:30,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2022-11-18 20:26:30,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 388 states have (on average 1.3402061855670102) internal successors, (520), 403 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 520 transitions. [2022-11-18 20:26:30,858 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 520 transitions. Word has length 75 [2022-11-18 20:26:30,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:30,860 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 520 transitions. [2022-11-18 20:26:30,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:30,861 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 520 transitions. [2022-11-18 20:26:30,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 20:26:30,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:30,863 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] [2022-11-18 20:26:30,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:26:30,863 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:30,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:30,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1037752348, now seen corresponding path program 1 times [2022-11-18 20:26:30,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:30,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044488629] [2022-11-18 20:26:30,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:30,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:31,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:31,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:31,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044488629] [2022-11-18 20:26:31,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044488629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:31,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:31,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:26:31,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958646630] [2022-11-18 20:26:31,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:31,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:26:31,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:31,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:26:31,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:26:31,106 INFO L87 Difference]: Start difference. First operand 404 states and 520 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:31,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:31,538 INFO L93 Difference]: Finished difference Result 742 states and 973 transitions. [2022-11-18 20:26:31,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:26:31,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-11-18 20:26:31,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:31,543 INFO L225 Difference]: With dead ends: 742 [2022-11-18 20:26:31,543 INFO L226 Difference]: Without dead ends: 393 [2022-11-18 20:26:31,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:26:31,545 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1450 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:31,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1450 Valid, 305 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:26:31,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2022-11-18 20:26:31,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2022-11-18 20:26:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3448275862068966) internal successors, (507), 392 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:31,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 507 transitions. [2022-11-18 20:26:31,637 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 507 transitions. Word has length 76 [2022-11-18 20:26:31,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:31,638 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 507 transitions. [2022-11-18 20:26:31,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 507 transitions. [2022-11-18 20:26:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-18 20:26:31,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:31,645 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] [2022-11-18 20:26:31,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:26:31,646 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:31,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:31,648 INFO L85 PathProgramCache]: Analyzing trace with hash -142744767, now seen corresponding path program 1 times [2022-11-18 20:26:31,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:31,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935709362] [2022-11-18 20:26:31,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:31,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:32,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:32,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935709362] [2022-11-18 20:26:32,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935709362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:32,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:32,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:26:32,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163305173] [2022-11-18 20:26:32,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:32,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:26:32,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:32,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:26:32,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:32,324 INFO L87 Difference]: Start difference. First operand 393 states and 507 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:34,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:34,088 INFO L93 Difference]: Finished difference Result 827 states and 1107 transitions. [2022-11-18 20:26:34,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:26:34,089 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-11-18 20:26:34,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:34,093 INFO L225 Difference]: With dead ends: 827 [2022-11-18 20:26:34,093 INFO L226 Difference]: Without dead ends: 737 [2022-11-18 20:26:34,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:26:34,095 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 2642 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2642 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:34,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2642 Valid, 1846 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1391 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 20:26:34,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-11-18 20:26:34,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 393. [2022-11-18 20:26:34,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3421750663129974) internal successors, (506), 392 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:34,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 506 transitions. [2022-11-18 20:26:34,152 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 506 transitions. Word has length 77 [2022-11-18 20:26:34,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:34,152 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 506 transitions. [2022-11-18 20:26:34,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 506 transitions. [2022-11-18 20:26:34,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-18 20:26:34,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:34,155 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] [2022-11-18 20:26:34,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:26:34,156 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:34,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:34,156 INFO L85 PathProgramCache]: Analyzing trace with hash -2022253705, now seen corresponding path program 1 times [2022-11-18 20:26:34,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:34,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606796088] [2022-11-18 20:26:34,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:34,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:34,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:34,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:34,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606796088] [2022-11-18 20:26:34,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606796088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:34,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:34,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:26:34,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323959504] [2022-11-18 20:26:34,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:34,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:26:34,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:34,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:26:34,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:34,797 INFO L87 Difference]: Start difference. First operand 393 states and 506 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:36,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:36,525 INFO L93 Difference]: Finished difference Result 870 states and 1161 transitions. [2022-11-18 20:26:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:26:36,526 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-11-18 20:26:36,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:36,529 INFO L225 Difference]: With dead ends: 870 [2022-11-18 20:26:36,530 INFO L226 Difference]: Without dead ends: 741 [2022-11-18 20:26:36,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:26:36,531 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 2737 mSDsluCounter, 1465 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2737 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:36,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2737 Valid, 1795 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 20:26:36,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-11-18 20:26:36,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 393. [2022-11-18 20:26:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.339522546419098) internal successors, (505), 392 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:36,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 505 transitions. [2022-11-18 20:26:36,588 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 505 transitions. Word has length 77 [2022-11-18 20:26:36,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:36,588 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 505 transitions. [2022-11-18 20:26:36,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 505 transitions. [2022-11-18 20:26:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-18 20:26:36,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:36,591 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] [2022-11-18 20:26:36,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:26:36,591 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:36,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:36,592 INFO L85 PathProgramCache]: Analyzing trace with hash 679839246, now seen corresponding path program 1 times [2022-11-18 20:26:36,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:36,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54124274] [2022-11-18 20:26:36,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:36,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:37,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:37,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:37,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54124274] [2022-11-18 20:26:37,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54124274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:37,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:37,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 20:26:37,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145163925] [2022-11-18 20:26:37,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:37,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 20:26:37,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:37,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:26:37,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:26:37,252 INFO L87 Difference]: Start difference. First operand 393 states and 505 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:38,776 INFO L93 Difference]: Finished difference Result 807 states and 1070 transitions. [2022-11-18 20:26:38,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:26:38,777 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-11-18 20:26:38,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:38,780 INFO L225 Difference]: With dead ends: 807 [2022-11-18 20:26:38,781 INFO L226 Difference]: Without dead ends: 725 [2022-11-18 20:26:38,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:26:38,782 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 2751 mSDsluCounter, 1307 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2751 SdHoareTripleChecker+Valid, 1625 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:38,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2751 Valid, 1625 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:26:38,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-11-18 20:26:38,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 393. [2022-11-18 20:26:38,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.336870026525199) internal successors, (504), 392 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 504 transitions. [2022-11-18 20:26:38,865 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 504 transitions. Word has length 77 [2022-11-18 20:26:38,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:38,866 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 504 transitions. [2022-11-18 20:26:38,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 504 transitions. [2022-11-18 20:26:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-18 20:26:38,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:38,868 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] [2022-11-18 20:26:38,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:26:38,869 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:38,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:38,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1232357856, now seen corresponding path program 1 times [2022-11-18 20:26:38,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:38,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560163029] [2022-11-18 20:26:38,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:38,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:39,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:39,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560163029] [2022-11-18 20:26:39,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560163029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:39,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:39,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:26:39,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599153482] [2022-11-18 20:26:39,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:39,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:26:39,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:39,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:26:39,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:26:39,375 INFO L87 Difference]: Start difference. First operand 393 states and 504 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:40,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:40,526 INFO L93 Difference]: Finished difference Result 760 states and 961 transitions. [2022-11-18 20:26:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:26:40,527 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-11-18 20:26:40,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:40,529 INFO L225 Difference]: With dead ends: 760 [2022-11-18 20:26:40,530 INFO L226 Difference]: Without dead ends: 547 [2022-11-18 20:26:40,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:26:40,531 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 2668 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2668 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:40,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2668 Valid, 927 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 20:26:40,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2022-11-18 20:26:40,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 393. [2022-11-18 20:26:40,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3342175066312998) internal successors, (503), 392 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:40,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 503 transitions. [2022-11-18 20:26:40,602 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 503 transitions. Word has length 77 [2022-11-18 20:26:40,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:40,603 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 503 transitions. [2022-11-18 20:26:40,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:40,603 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 503 transitions. [2022-11-18 20:26:40,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-18 20:26:40,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:40,605 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] [2022-11-18 20:26:40,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:26:40,605 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:40,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:40,606 INFO L85 PathProgramCache]: Analyzing trace with hash -204100811, now seen corresponding path program 1 times [2022-11-18 20:26:40,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:40,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804491481] [2022-11-18 20:26:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:40,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:41,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:41,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804491481] [2022-11-18 20:26:41,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804491481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:41,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:41,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:26:41,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616924677] [2022-11-18 20:26:41,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:41,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:26:41,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:41,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:26:41,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:26:41,427 INFO L87 Difference]: Start difference. First operand 393 states and 503 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:44,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:44,943 INFO L93 Difference]: Finished difference Result 1366 states and 1873 transitions. [2022-11-18 20:26:44,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:26:44,944 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-11-18 20:26:44,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:44,950 INFO L225 Difference]: With dead ends: 1366 [2022-11-18 20:26:44,950 INFO L226 Difference]: Without dead ends: 1267 [2022-11-18 20:26:44,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 20:26:44,953 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 6481 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6481 SdHoareTripleChecker+Valid, 2143 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:44,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6481 Valid, 2143 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-18 20:26:44,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2022-11-18 20:26:45,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 397. [2022-11-18 20:26:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.330708661417323) internal successors, (507), 396 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 507 transitions. [2022-11-18 20:26:45,094 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 507 transitions. Word has length 79 [2022-11-18 20:26:45,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:45,095 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 507 transitions. [2022-11-18 20:26:45,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 507 transitions. [2022-11-18 20:26:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-18 20:26:45,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:45,097 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] [2022-11-18 20:26:45,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:26:45,099 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:45,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:45,100 INFO L85 PathProgramCache]: Analyzing trace with hash -612946039, now seen corresponding path program 1 times [2022-11-18 20:26:45,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:45,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239972802] [2022-11-18 20:26:45,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:45,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:45,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:45,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239972802] [2022-11-18 20:26:45,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239972802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:45,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:45,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:26:45,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056987014] [2022-11-18 20:26:45,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:45,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:26:45,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:45,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:26:45,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:45,552 INFO L87 Difference]: Start difference. First operand 397 states and 507 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:47,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:47,287 INFO L93 Difference]: Finished difference Result 810 states and 1072 transitions. [2022-11-18 20:26:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:26:47,288 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-11-18 20:26:47,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:47,292 INFO L225 Difference]: With dead ends: 810 [2022-11-18 20:26:47,292 INFO L226 Difference]: Without dead ends: 733 [2022-11-18 20:26:47,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-18 20:26:47,294 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 2948 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:47,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2948 Valid, 1500 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:26:47,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-11-18 20:26:47,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 397. [2022-11-18 20:26:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.3280839895013123) internal successors, (506), 396 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 506 transitions. [2022-11-18 20:26:47,402 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 506 transitions. Word has length 79 [2022-11-18 20:26:47,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:47,403 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 506 transitions. [2022-11-18 20:26:47,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 506 transitions. [2022-11-18 20:26:47,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-18 20:26:47,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:47,407 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] [2022-11-18 20:26:47,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:26:47,407 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:47,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:47,408 INFO L85 PathProgramCache]: Analyzing trace with hash -244843864, now seen corresponding path program 1 times [2022-11-18 20:26:47,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:47,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625677927] [2022-11-18 20:26:47,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:47,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:48,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:48,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625677927] [2022-11-18 20:26:48,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625677927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:48,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:48,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:26:48,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391518417] [2022-11-18 20:26:48,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:48,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:26:48,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:48,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:26:48,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:26:48,198 INFO L87 Difference]: Start difference. First operand 397 states and 506 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:51,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:51,651 INFO L93 Difference]: Finished difference Result 1238 states and 1684 transitions. [2022-11-18 20:26:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:26:51,651 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-11-18 20:26:51,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:51,657 INFO L225 Difference]: With dead ends: 1238 [2022-11-18 20:26:51,657 INFO L226 Difference]: Without dead ends: 1161 [2022-11-18 20:26:51,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 20:26:51,660 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 4657 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4657 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:51,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4657 Valid, 1963 Invalid, 1762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-18 20:26:51,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2022-11-18 20:26:51,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 401. [2022-11-18 20:26:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3246753246753247) internal successors, (510), 400 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 510 transitions. [2022-11-18 20:26:51,793 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 510 transitions. Word has length 79 [2022-11-18 20:26:51,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:51,793 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 510 transitions. [2022-11-18 20:26:51,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 510 transitions. [2022-11-18 20:26:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-18 20:26:51,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:51,796 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] [2022-11-18 20:26:51,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:26:51,796 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:51,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:51,797 INFO L85 PathProgramCache]: Analyzing trace with hash 391973260, now seen corresponding path program 1 times [2022-11-18 20:26:51,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:51,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537878246] [2022-11-18 20:26:51,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:51,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:52,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:52,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:52,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537878246] [2022-11-18 20:26:52,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537878246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:52,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:52,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:26:52,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790048019] [2022-11-18 20:26:52,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:52,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:26:52,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:52,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:26:52,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:52,235 INFO L87 Difference]: Start difference. First operand 401 states and 510 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:53,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:53,907 INFO L93 Difference]: Finished difference Result 806 states and 1066 transitions. [2022-11-18 20:26:53,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:26:53,907 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-11-18 20:26:53,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:53,912 INFO L225 Difference]: With dead ends: 806 [2022-11-18 20:26:53,912 INFO L226 Difference]: Without dead ends: 733 [2022-11-18 20:26:53,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-18 20:26:53,914 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 2990 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2990 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:53,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2990 Valid, 1448 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:26:53,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-11-18 20:26:54,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 401. [2022-11-18 20:26:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3220779220779222) internal successors, (509), 400 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:54,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 509 transitions. [2022-11-18 20:26:54,045 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 509 transitions. Word has length 79 [2022-11-18 20:26:54,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:54,046 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 509 transitions. [2022-11-18 20:26:54,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 509 transitions. [2022-11-18 20:26:54,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-18 20:26:54,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:54,048 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] [2022-11-18 20:26:54,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:26:54,048 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:54,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:54,049 INFO L85 PathProgramCache]: Analyzing trace with hash -125566079, now seen corresponding path program 1 times [2022-11-18 20:26:54,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:54,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278471352] [2022-11-18 20:26:54,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:54,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:54,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:54,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278471352] [2022-11-18 20:26:54,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278471352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:54,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:54,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:26:54,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472154885] [2022-11-18 20:26:54,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:54,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:26:54,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:54,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:26:54,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:54,422 INFO L87 Difference]: Start difference. First operand 401 states and 509 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:56,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:56,071 INFO L93 Difference]: Finished difference Result 893 states and 1175 transitions. [2022-11-18 20:26:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:26:56,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-11-18 20:26:56,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:56,075 INFO L225 Difference]: With dead ends: 893 [2022-11-18 20:26:56,075 INFO L226 Difference]: Without dead ends: 749 [2022-11-18 20:26:56,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:26:56,077 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 1434 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:56,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1434 Valid, 1834 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:26:56,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2022-11-18 20:26:56,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 401. [2022-11-18 20:26:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3194805194805195) internal successors, (508), 400 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 508 transitions. [2022-11-18 20:26:56,197 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 508 transitions. Word has length 79 [2022-11-18 20:26:56,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:56,198 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 508 transitions. [2022-11-18 20:26:56,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:56,198 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 508 transitions. [2022-11-18 20:26:56,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-18 20:26:56,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:56,200 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] [2022-11-18 20:26:56,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:26:56,201 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:56,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:56,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1207195179, now seen corresponding path program 1 times [2022-11-18 20:26:56,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:56,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325451459] [2022-11-18 20:26:56,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:56,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:56,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:56,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:56,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325451459] [2022-11-18 20:26:56,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325451459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:56,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:56,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:26:56,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276351565] [2022-11-18 20:26:56,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:56,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:26:56,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:56,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:26:56,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:56,753 INFO L87 Difference]: Start difference. First operand 401 states and 508 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:58,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:58,355 INFO L93 Difference]: Finished difference Result 810 states and 1067 transitions. [2022-11-18 20:26:58,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:26:58,356 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-11-18 20:26:58,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:58,358 INFO L225 Difference]: With dead ends: 810 [2022-11-18 20:26:58,358 INFO L226 Difference]: Without dead ends: 733 [2022-11-18 20:26:58,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-18 20:26:58,360 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 2972 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2972 SdHoareTripleChecker+Valid, 1470 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:58,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2972 Valid, 1470 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 20:26:58,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-11-18 20:26:58,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 401. [2022-11-18 20:26:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.316883116883117) internal successors, (507), 400 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 507 transitions. [2022-11-18 20:26:58,518 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 507 transitions. Word has length 79 [2022-11-18 20:26:58,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:58,519 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 507 transitions. [2022-11-18 20:26:58,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 507 transitions. [2022-11-18 20:26:58,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-18 20:26:58,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:58,521 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] [2022-11-18 20:26:58,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:26:58,522 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:26:58,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:58,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1616040407, now seen corresponding path program 1 times [2022-11-18 20:26:58,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:58,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220836226] [2022-11-18 20:26:58,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:58,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:58,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:58,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220836226] [2022-11-18 20:26:58,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220836226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:58,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:58,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:26:58,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974963622] [2022-11-18 20:26:58,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:58,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:26:58,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:58,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:26:58,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:58,883 INFO L87 Difference]: Start difference. First operand 401 states and 507 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:00,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:00,519 INFO L93 Difference]: Finished difference Result 840 states and 1107 transitions. [2022-11-18 20:27:00,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:00,520 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-11-18 20:27:00,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:00,523 INFO L225 Difference]: With dead ends: 840 [2022-11-18 20:27:00,524 INFO L226 Difference]: Without dead ends: 741 [2022-11-18 20:27:00,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:00,525 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 2676 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:00,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 1787 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:27:00,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-11-18 20:27:00,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 401. [2022-11-18 20:27:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3142857142857143) internal successors, (506), 400 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:00,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 506 transitions. [2022-11-18 20:27:00,645 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 506 transitions. Word has length 79 [2022-11-18 20:27:00,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:00,646 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 506 transitions. [2022-11-18 20:27:00,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 506 transitions. [2022-11-18 20:27:00,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 20:27:00,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:00,648 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] [2022-11-18 20:27:00,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:27:00,648 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:00,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:00,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1975429315, now seen corresponding path program 1 times [2022-11-18 20:27:00,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:00,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895358540] [2022-11-18 20:27:00,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:00,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:00,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:00,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895358540] [2022-11-18 20:27:00,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895358540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:00,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:00,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:00,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026126500] [2022-11-18 20:27:00,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:00,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:00,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:00,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:00,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:00,980 INFO L87 Difference]: Start difference. First operand 401 states and 506 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:02,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:02,627 INFO L93 Difference]: Finished difference Result 840 states and 1108 transitions. [2022-11-18 20:27:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:02,627 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 20:27:02,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:02,632 INFO L225 Difference]: With dead ends: 840 [2022-11-18 20:27:02,632 INFO L226 Difference]: Without dead ends: 741 [2022-11-18 20:27:02,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:02,634 INFO L413 NwaCegarLoop]: 506 mSDtfsCounter, 2074 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2074 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:02,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2074 Valid, 1918 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:27:02,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-11-18 20:27:02,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 397. [2022-11-18 20:27:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.31496062992126) internal successors, (501), 396 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 501 transitions. [2022-11-18 20:27:02,760 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 501 transitions. Word has length 80 [2022-11-18 20:27:02,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:02,760 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 501 transitions. [2022-11-18 20:27:02,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:02,761 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 501 transitions. [2022-11-18 20:27:02,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 20:27:02,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:02,763 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] [2022-11-18 20:27:02,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:27:02,763 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:02,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:02,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1896194813, now seen corresponding path program 1 times [2022-11-18 20:27:02,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:02,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902780872] [2022-11-18 20:27:02,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:02,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:03,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:03,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:03,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902780872] [2022-11-18 20:27:03,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902780872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:03,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:03,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:03,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217962870] [2022-11-18 20:27:03,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:03,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:03,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:03,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:03,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:03,082 INFO L87 Difference]: Start difference. First operand 397 states and 501 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:04,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:04,907 INFO L93 Difference]: Finished difference Result 806 states and 1060 transitions. [2022-11-18 20:27:04,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:04,907 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 20:27:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:04,911 INFO L225 Difference]: With dead ends: 806 [2022-11-18 20:27:04,911 INFO L226 Difference]: Without dead ends: 729 [2022-11-18 20:27:04,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:04,912 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 1257 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:04,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 1974 Invalid, 1538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:27:04,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2022-11-18 20:27:05,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 393. [2022-11-18 20:27:05,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3156498673740054) internal successors, (496), 392 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 496 transitions. [2022-11-18 20:27:05,037 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 496 transitions. Word has length 80 [2022-11-18 20:27:05,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:05,038 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 496 transitions. [2022-11-18 20:27:05,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 496 transitions. [2022-11-18 20:27:05,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:05,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:05,040 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] [2022-11-18 20:27:05,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 20:27:05,041 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:05,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:05,041 INFO L85 PathProgramCache]: Analyzing trace with hash 2135531548, now seen corresponding path program 1 times [2022-11-18 20:27:05,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:05,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82144304] [2022-11-18 20:27:05,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:05,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:05,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:05,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82144304] [2022-11-18 20:27:05,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82144304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:05,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:05,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:05,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967493800] [2022-11-18 20:27:05,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:05,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:05,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:05,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:05,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:05,434 INFO L87 Difference]: Start difference. First operand 393 states and 496 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:07,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:07,368 INFO L93 Difference]: Finished difference Result 783 states and 1023 transitions. [2022-11-18 20:27:07,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:07,369 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:07,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:07,372 INFO L225 Difference]: With dead ends: 783 [2022-11-18 20:27:07,372 INFO L226 Difference]: Without dead ends: 713 [2022-11-18 20:27:07,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:07,373 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 2403 mSDsluCounter, 1586 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:07,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 1961 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 20:27:07,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-11-18 20:27:07,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 393. [2022-11-18 20:27:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.312997347480106) internal successors, (495), 392 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 495 transitions. [2022-11-18 20:27:07,499 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 495 transitions. Word has length 81 [2022-11-18 20:27:07,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:07,500 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 495 transitions. [2022-11-18 20:27:07,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:07,500 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 495 transitions. [2022-11-18 20:27:07,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:07,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:07,502 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] [2022-11-18 20:27:07,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 20:27:07,502 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:07,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:07,503 INFO L85 PathProgramCache]: Analyzing trace with hash -247238646, now seen corresponding path program 1 times [2022-11-18 20:27:07,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:07,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902663061] [2022-11-18 20:27:07,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:07,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:07,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:07,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902663061] [2022-11-18 20:27:07,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902663061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:07,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:07,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:07,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957613838] [2022-11-18 20:27:07,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:07,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:07,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:07,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:07,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:07,850 INFO L87 Difference]: Start difference. First operand 393 states and 495 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:09,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:09,597 INFO L93 Difference]: Finished difference Result 811 states and 1062 transitions. [2022-11-18 20:27:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:09,598 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:09,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:09,602 INFO L225 Difference]: With dead ends: 811 [2022-11-18 20:27:09,602 INFO L226 Difference]: Without dead ends: 729 [2022-11-18 20:27:09,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:09,604 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 1949 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:09,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 1818 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:27:09,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2022-11-18 20:27:09,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 393. [2022-11-18 20:27:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3103448275862069) internal successors, (494), 392 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 494 transitions. [2022-11-18 20:27:09,736 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 494 transitions. Word has length 81 [2022-11-18 20:27:09,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:09,737 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 494 transitions. [2022-11-18 20:27:09,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 494 transitions. [2022-11-18 20:27:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:09,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:09,739 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] [2022-11-18 20:27:09,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 20:27:09,739 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:09,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:09,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1648828412, now seen corresponding path program 1 times [2022-11-18 20:27:09,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:09,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633893191] [2022-11-18 20:27:09,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:09,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:10,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:10,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633893191] [2022-11-18 20:27:10,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633893191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:10,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:10,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:10,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314970023] [2022-11-18 20:27:10,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:10,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:10,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:10,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:10,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:10,130 INFO L87 Difference]: Start difference. First operand 393 states and 494 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:12,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:12,061 INFO L93 Difference]: Finished difference Result 780 states and 1018 transitions. [2022-11-18 20:27:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:12,062 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:12,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:12,065 INFO L225 Difference]: With dead ends: 780 [2022-11-18 20:27:12,065 INFO L226 Difference]: Without dead ends: 713 [2022-11-18 20:27:12,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:12,067 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 2296 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 1612 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2296 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:12,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2296 Valid, 2183 Invalid, 1618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1612 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 20:27:12,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-11-18 20:27:12,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 393. [2022-11-18 20:27:12,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3076923076923077) internal successors, (493), 392 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 493 transitions. [2022-11-18 20:27:12,236 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 493 transitions. Word has length 81 [2022-11-18 20:27:12,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:12,236 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 493 transitions. [2022-11-18 20:27:12,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:12,237 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 493 transitions. [2022-11-18 20:27:12,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:12,238 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:12,238 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] [2022-11-18 20:27:12,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 20:27:12,239 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:12,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:12,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1380394973, now seen corresponding path program 1 times [2022-11-18 20:27:12,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:12,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072994806] [2022-11-18 20:27:12,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:12,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:12,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:12,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072994806] [2022-11-18 20:27:12,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072994806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:12,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:12,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:27:12,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245887823] [2022-11-18 20:27:12,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:12,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:27:12,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:12,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:27:12,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:27:12,872 INFO L87 Difference]: Start difference. First operand 393 states and 493 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:16,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:16,153 INFO L93 Difference]: Finished difference Result 1124 states and 1505 transitions. [2022-11-18 20:27:16,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:27:16,157 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:16,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:16,160 INFO L225 Difference]: With dead ends: 1124 [2022-11-18 20:27:16,161 INFO L226 Difference]: Without dead ends: 1054 [2022-11-18 20:27:16,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 20:27:16,162 INFO L413 NwaCegarLoop]: 441 mSDtfsCounter, 5107 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5107 SdHoareTripleChecker+Valid, 1916 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:16,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5107 Valid, 1916 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-18 20:27:16,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2022-11-18 20:27:16,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 397. [2022-11-18 20:27:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.304461942257218) internal successors, (497), 396 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:16,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 497 transitions. [2022-11-18 20:27:16,329 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 497 transitions. Word has length 81 [2022-11-18 20:27:16,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:16,330 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 497 transitions. [2022-11-18 20:27:16,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 497 transitions. [2022-11-18 20:27:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:16,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:16,332 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] [2022-11-18 20:27:16,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 20:27:16,332 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:16,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:16,333 INFO L85 PathProgramCache]: Analyzing trace with hash -90069907, now seen corresponding path program 1 times [2022-11-18 20:27:16,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:16,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479509040] [2022-11-18 20:27:16,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:16,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:16,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:16,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479509040] [2022-11-18 20:27:16,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479509040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:16,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:16,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:16,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629810391] [2022-11-18 20:27:16,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:16,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:16,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:16,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:16,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:16,746 INFO L87 Difference]: Start difference. First operand 397 states and 497 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:18,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:18,770 INFO L93 Difference]: Finished difference Result 780 states and 1016 transitions. [2022-11-18 20:27:18,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:18,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:18,776 INFO L225 Difference]: With dead ends: 780 [2022-11-18 20:27:18,776 INFO L226 Difference]: Without dead ends: 713 [2022-11-18 20:27:18,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:18,778 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 2289 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2289 SdHoareTripleChecker+Valid, 2187 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:18,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2289 Valid, 2187 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 20:27:18,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-11-18 20:27:18,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 397. [2022-11-18 20:27:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.3018372703412073) internal successors, (496), 396 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:18,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 496 transitions. [2022-11-18 20:27:18,945 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 496 transitions. Word has length 81 [2022-11-18 20:27:18,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:18,945 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 496 transitions. [2022-11-18 20:27:18,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 496 transitions. [2022-11-18 20:27:18,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:18,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:18,946 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] [2022-11-18 20:27:18,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 20:27:18,947 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:18,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:18,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1355696644, now seen corresponding path program 1 times [2022-11-18 20:27:18,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:18,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818160430] [2022-11-18 20:27:18,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:18,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:19,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:19,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818160430] [2022-11-18 20:27:19,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818160430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:19,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:19,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:27:19,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47220241] [2022-11-18 20:27:19,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:19,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:27:19,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:19,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:27:19,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:27:19,554 INFO L87 Difference]: Start difference. First operand 397 states and 496 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:23,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:23,197 INFO L93 Difference]: Finished difference Result 1059 states and 1406 transitions. [2022-11-18 20:27:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:27:23,198 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:23,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:23,200 INFO L225 Difference]: With dead ends: 1059 [2022-11-18 20:27:23,200 INFO L226 Difference]: Without dead ends: 1054 [2022-11-18 20:27:23,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 20:27:23,201 INFO L413 NwaCegarLoop]: 478 mSDtfsCounter, 3588 mSDsluCounter, 1955 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3588 SdHoareTripleChecker+Valid, 2433 SdHoareTripleChecker+Invalid, 2103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:23,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3588 Valid, 2433 Invalid, 2103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-18 20:27:23,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2022-11-18 20:27:23,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 401. [2022-11-18 20:27:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.2987012987012987) internal successors, (500), 400 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 500 transitions. [2022-11-18 20:27:23,344 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 500 transitions. Word has length 81 [2022-11-18 20:27:23,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:23,345 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 500 transitions. [2022-11-18 20:27:23,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 500 transitions. [2022-11-18 20:27:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:23,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:23,346 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] [2022-11-18 20:27:23,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-18 20:27:23,347 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:23,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:23,348 INFO L85 PathProgramCache]: Analyzing trace with hash 558624169, now seen corresponding path program 1 times [2022-11-18 20:27:23,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:23,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035148717] [2022-11-18 20:27:23,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:23,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:23,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:23,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035148717] [2022-11-18 20:27:23,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035148717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:23,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:23,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:27:23,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315661072] [2022-11-18 20:27:23,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:23,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:27:23,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:23,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:27:23,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:27:23,974 INFO L87 Difference]: Start difference. First operand 401 states and 500 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:27,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:27,425 INFO L93 Difference]: Finished difference Result 1118 states and 1496 transitions. [2022-11-18 20:27:27,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:27:27,426 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:27,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:27,429 INFO L225 Difference]: With dead ends: 1118 [2022-11-18 20:27:27,429 INFO L226 Difference]: Without dead ends: 1051 [2022-11-18 20:27:27,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 20:27:27,431 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 4313 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4313 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:27,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4313 Valid, 1870 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-18 20:27:27,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2022-11-18 20:27:27,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 405. [2022-11-18 20:27:27,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 389 states have (on average 1.2956298200514138) internal successors, (504), 404 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 504 transitions. [2022-11-18 20:27:27,597 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 504 transitions. Word has length 81 [2022-11-18 20:27:27,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:27,598 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 504 transitions. [2022-11-18 20:27:27,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:27,598 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 504 transitions. [2022-11-18 20:27:27,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:27,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:27,600 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] [2022-11-18 20:27:27,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-18 20:27:27,600 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:27,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:27,601 INFO L85 PathProgramCache]: Analyzing trace with hash -237124242, now seen corresponding path program 1 times [2022-11-18 20:27:27,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:27,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154073958] [2022-11-18 20:27:27,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:27,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:27,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:27,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154073958] [2022-11-18 20:27:27,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154073958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:27,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:27,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:27,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111763445] [2022-11-18 20:27:27,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:27,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:27,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:27,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:27,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:28,000 INFO L87 Difference]: Start difference. First operand 405 states and 504 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:29,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:29,993 INFO L93 Difference]: Finished difference Result 778 states and 1011 transitions. [2022-11-18 20:27:29,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:29,993 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:29,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:29,996 INFO L225 Difference]: With dead ends: 778 [2022-11-18 20:27:29,996 INFO L226 Difference]: Without dead ends: 713 [2022-11-18 20:27:29,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:29,998 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 2374 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2374 SdHoareTripleChecker+Valid, 1981 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:29,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2374 Valid, 1981 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:27:30,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-11-18 20:27:30,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 405. [2022-11-18 20:27:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 389 states have (on average 1.2930591259640103) internal successors, (503), 404 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 503 transitions. [2022-11-18 20:27:30,213 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 503 transitions. Word has length 81 [2022-11-18 20:27:30,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:30,214 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 503 transitions. [2022-11-18 20:27:30,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:30,214 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 503 transitions. [2022-11-18 20:27:30,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:30,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:30,216 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] [2022-11-18 20:27:30,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-18 20:27:30,217 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:30,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:30,218 INFO L85 PathProgramCache]: Analyzing trace with hash -302100420, now seen corresponding path program 1 times [2022-11-18 20:27:30,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:30,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856939581] [2022-11-18 20:27:30,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:30,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:30,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:30,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856939581] [2022-11-18 20:27:30,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856939581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:30,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:30,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:30,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215828380] [2022-11-18 20:27:30,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:30,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:30,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:30,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:30,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:30,625 INFO L87 Difference]: Start difference. First operand 405 states and 503 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:32,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:32,628 INFO L93 Difference]: Finished difference Result 783 states and 1015 transitions. [2022-11-18 20:27:32,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:32,629 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:32,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:32,631 INFO L225 Difference]: With dead ends: 783 [2022-11-18 20:27:32,631 INFO L226 Difference]: Without dead ends: 713 [2022-11-18 20:27:32,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:32,632 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 2373 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 1981 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:32,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 1981 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:27:32,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-11-18 20:27:32,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 405. [2022-11-18 20:27:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 389 states have (on average 1.2904884318766068) internal successors, (502), 404 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 502 transitions. [2022-11-18 20:27:32,780 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 502 transitions. Word has length 81 [2022-11-18 20:27:32,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:32,780 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 502 transitions. [2022-11-18 20:27:32,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:32,781 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 502 transitions. [2022-11-18 20:27:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:32,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:32,782 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] [2022-11-18 20:27:32,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-18 20:27:32,782 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:32,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:32,783 INFO L85 PathProgramCache]: Analyzing trace with hash -286808248, now seen corresponding path program 1 times [2022-11-18 20:27:32,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:32,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840466401] [2022-11-18 20:27:32,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:32,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:33,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:33,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840466401] [2022-11-18 20:27:33,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840466401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:33,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:33,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:27:33,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056290578] [2022-11-18 20:27:33,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:33,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:27:33,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:33,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:27:33,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:27:33,342 INFO L87 Difference]: Start difference. First operand 405 states and 502 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:37,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:37,316 INFO L93 Difference]: Finished difference Result 1394 states and 1880 transitions. [2022-11-18 20:27:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:27:37,317 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:37,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:37,320 INFO L225 Difference]: With dead ends: 1394 [2022-11-18 20:27:37,320 INFO L226 Difference]: Without dead ends: 1289 [2022-11-18 20:27:37,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 20:27:37,321 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 5123 mSDsluCounter, 1902 mSDsCounter, 0 mSdLazyCounter, 1855 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5123 SdHoareTripleChecker+Valid, 2484 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:37,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5123 Valid, 2484 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1855 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-18 20:27:37,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2022-11-18 20:27:37,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 409. [2022-11-18 20:27:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 393 states have (on average 1.2875318066157762) internal successors, (506), 408 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:37,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 506 transitions. [2022-11-18 20:27:37,522 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 506 transitions. Word has length 81 [2022-11-18 20:27:37,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:37,522 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 506 transitions. [2022-11-18 20:27:37,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:37,523 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 506 transitions. [2022-11-18 20:27:37,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:37,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:37,524 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] [2022-11-18 20:27:37,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-18 20:27:37,525 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:37,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:37,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1055423202, now seen corresponding path program 1 times [2022-11-18 20:27:37,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:37,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089592209] [2022-11-18 20:27:37,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:37,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:37,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:37,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:37,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089592209] [2022-11-18 20:27:37,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089592209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:37,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:37,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:37,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103445304] [2022-11-18 20:27:37,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:37,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:37,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:37,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:37,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:37,896 INFO L87 Difference]: Start difference. First operand 409 states and 506 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:39,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:39,909 INFO L93 Difference]: Finished difference Result 722 states and 922 transitions. [2022-11-18 20:27:39,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:39,910 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:39,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:39,913 INFO L225 Difference]: With dead ends: 722 [2022-11-18 20:27:39,913 INFO L226 Difference]: Without dead ends: 717 [2022-11-18 20:27:39,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:39,915 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 2368 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2368 SdHoareTripleChecker+Valid, 1982 SdHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:39,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2368 Valid, 1982 Invalid, 1422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:27:39,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2022-11-18 20:27:40,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 409. [2022-11-18 20:27:40,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 393 states have (on average 1.2849872773536897) internal successors, (505), 408 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:40,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 505 transitions. [2022-11-18 20:27:40,074 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 505 transitions. Word has length 81 [2022-11-18 20:27:40,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:40,074 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 505 transitions. [2022-11-18 20:27:40,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:40,074 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 505 transitions. [2022-11-18 20:27:40,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:40,075 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:40,075 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] [2022-11-18 20:27:40,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-18 20:27:40,076 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:40,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:40,076 INFO L85 PathProgramCache]: Analyzing trace with hash 856773900, now seen corresponding path program 1 times [2022-11-18 20:27:40,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:40,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509659695] [2022-11-18 20:27:40,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:40,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:40,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:40,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509659695] [2022-11-18 20:27:40,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509659695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:40,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:40,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:27:40,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431318486] [2022-11-18 20:27:40,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:40,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:27:40,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:40,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:27:40,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:27:40,654 INFO L87 Difference]: Start difference. First operand 409 states and 505 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:44,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:44,473 INFO L93 Difference]: Finished difference Result 1199 states and 1595 transitions. [2022-11-18 20:27:44,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:27:44,474 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:44,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:44,477 INFO L225 Difference]: With dead ends: 1199 [2022-11-18 20:27:44,478 INFO L226 Difference]: Without dead ends: 1182 [2022-11-18 20:27:44,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 20:27:44,479 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 4202 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4202 SdHoareTripleChecker+Valid, 2203 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:44,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4202 Valid, 2203 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1642 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 20:27:44,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-11-18 20:27:44,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 413. [2022-11-18 20:27:44,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 397 states have (on average 1.2821158690176322) internal successors, (509), 412 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 509 transitions. [2022-11-18 20:27:44,659 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 509 transitions. Word has length 81 [2022-11-18 20:27:44,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:44,659 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 509 transitions. [2022-11-18 20:27:44,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 509 transitions. [2022-11-18 20:27:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:44,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:44,660 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] [2022-11-18 20:27:44,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-18 20:27:44,661 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:44,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:44,661 INFO L85 PathProgramCache]: Analyzing trace with hash -544552721, now seen corresponding path program 1 times [2022-11-18 20:27:44,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:44,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574058390] [2022-11-18 20:27:44,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:44,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:45,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:45,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574058390] [2022-11-18 20:27:45,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574058390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:45,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:45,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:45,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365814286] [2022-11-18 20:27:45,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:45,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:45,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:45,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:45,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:45,004 INFO L87 Difference]: Start difference. First operand 413 states and 509 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:47,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:47,014 INFO L93 Difference]: Finished difference Result 788 states and 1018 transitions. [2022-11-18 20:27:47,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:47,015 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:47,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:47,019 INFO L225 Difference]: With dead ends: 788 [2022-11-18 20:27:47,019 INFO L226 Difference]: Without dead ends: 721 [2022-11-18 20:27:47,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:47,020 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 2362 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 1985 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:47,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 1985 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:27:47,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-11-18 20:27:47,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 413. [2022-11-18 20:27:47,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 397 states have (on average 1.279596977329975) internal successors, (508), 412 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:47,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 508 transitions. [2022-11-18 20:27:47,225 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 508 transitions. Word has length 81 [2022-11-18 20:27:47,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:47,225 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 508 transitions. [2022-11-18 20:27:47,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:47,226 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 508 transitions. [2022-11-18 20:27:47,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 20:27:47,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:47,227 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] [2022-11-18 20:27:47,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-18 20:27:47,228 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:47,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:47,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1810559777, now seen corresponding path program 1 times [2022-11-18 20:27:47,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:47,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606522242] [2022-11-18 20:27:47,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:47,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:47,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:47,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606522242] [2022-11-18 20:27:47,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606522242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:47,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:47,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:27:47,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400036180] [2022-11-18 20:27:47,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:47,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:27:47,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:47,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:27:47,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:27:47,811 INFO L87 Difference]: Start difference. First operand 413 states and 508 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:51,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:51,533 INFO L93 Difference]: Finished difference Result 1067 states and 1408 transitions. [2022-11-18 20:27:51,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:27:51,534 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 20:27:51,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:51,537 INFO L225 Difference]: With dead ends: 1067 [2022-11-18 20:27:51,537 INFO L226 Difference]: Without dead ends: 1062 [2022-11-18 20:27:51,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 20:27:51,539 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 4231 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 1704 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4231 SdHoareTripleChecker+Valid, 2191 SdHoareTripleChecker+Invalid, 1853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:51,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4231 Valid, 2191 Invalid, 1853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1704 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 20:27:51,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2022-11-18 20:27:51,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 417. [2022-11-18 20:27:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 401 states have (on average 1.2768079800498753) internal successors, (512), 416 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 512 transitions. [2022-11-18 20:27:51,749 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 512 transitions. Word has length 81 [2022-11-18 20:27:51,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:51,749 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 512 transitions. [2022-11-18 20:27:51,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 512 transitions. [2022-11-18 20:27:51,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 20:27:51,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:51,751 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] [2022-11-18 20:27:51,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-18 20:27:51,751 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:51,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:51,751 INFO L85 PathProgramCache]: Analyzing trace with hash -423596437, now seen corresponding path program 1 times [2022-11-18 20:27:51,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:51,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458038329] [2022-11-18 20:27:51,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:51,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:52,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:52,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:52,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458038329] [2022-11-18 20:27:52,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458038329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:52,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:52,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:52,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053416781] [2022-11-18 20:27:52,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:52,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:52,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:52,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:52,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:52,040 INFO L87 Difference]: Start difference. First operand 417 states and 512 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:54,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:54,009 INFO L93 Difference]: Finished difference Result 791 states and 1019 transitions. [2022-11-18 20:27:54,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:54,009 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-11-18 20:27:54,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:54,012 INFO L225 Difference]: With dead ends: 791 [2022-11-18 20:27:54,012 INFO L226 Difference]: Without dead ends: 721 [2022-11-18 20:27:54,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:54,013 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 2580 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2580 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:54,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2580 Valid, 1717 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:27:54,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-11-18 20:27:54,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 413. [2022-11-18 20:27:54,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 397 states have (on average 1.2770780856423174) internal successors, (507), 412 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 507 transitions. [2022-11-18 20:27:54,221 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 507 transitions. Word has length 82 [2022-11-18 20:27:54,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:54,221 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 507 transitions. [2022-11-18 20:27:54,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:54,222 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 507 transitions. [2022-11-18 20:27:54,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 20:27:54,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:54,223 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] [2022-11-18 20:27:54,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-18 20:27:54,223 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:54,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:54,224 INFO L85 PathProgramCache]: Analyzing trace with hash 656909474, now seen corresponding path program 1 times [2022-11-18 20:27:54,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:54,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771300058] [2022-11-18 20:27:54,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:54,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:54,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:54,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:54,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771300058] [2022-11-18 20:27:54,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771300058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:54,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:54,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:54,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516415795] [2022-11-18 20:27:54,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:54,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:54,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:54,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:54,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:54,517 INFO L87 Difference]: Start difference. First operand 413 states and 507 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:56,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:56,432 INFO L93 Difference]: Finished difference Result 726 states and 922 transitions. [2022-11-18 20:27:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:56,433 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-11-18 20:27:56,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:56,436 INFO L225 Difference]: With dead ends: 726 [2022-11-18 20:27:56,436 INFO L226 Difference]: Without dead ends: 721 [2022-11-18 20:27:56,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:56,438 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 2551 mSDsluCounter, 1299 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2551 SdHoareTripleChecker+Valid, 1735 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:56,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2551 Valid, 1735 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:27:56,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-11-18 20:27:56,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 409. [2022-11-18 20:27:56,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 393 states have (on average 1.27735368956743) internal successors, (502), 408 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 502 transitions. [2022-11-18 20:27:56,678 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 502 transitions. Word has length 82 [2022-11-18 20:27:56,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:56,678 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 502 transitions. [2022-11-18 20:27:56,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:56,678 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 502 transitions. [2022-11-18 20:27:56,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 20:27:56,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:56,679 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] [2022-11-18 20:27:56,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-18 20:27:56,680 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:56,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:56,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1358540439, now seen corresponding path program 1 times [2022-11-18 20:27:56,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:56,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623149133] [2022-11-18 20:27:56,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:56,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:56,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:56,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623149133] [2022-11-18 20:27:56,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623149133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:56,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:56,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:56,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755037673] [2022-11-18 20:27:56,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:56,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:56,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:56,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:56,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:56,973 INFO L87 Difference]: Start difference. First operand 409 states and 502 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:58,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:58,955 INFO L93 Difference]: Finished difference Result 788 states and 1014 transitions. [2022-11-18 20:27:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:27:58,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-11-18 20:27:58,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:58,960 INFO L225 Difference]: With dead ends: 788 [2022-11-18 20:27:58,960 INFO L226 Difference]: Without dead ends: 721 [2022-11-18 20:27:58,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:27:58,961 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 1956 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:58,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1956 Valid, 1733 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:27:58,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-11-18 20:27:59,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 405. [2022-11-18 20:27:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 389 states have (on average 1.2776349614395888) internal successors, (497), 404 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 497 transitions. [2022-11-18 20:27:59,167 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 497 transitions. Word has length 82 [2022-11-18 20:27:59,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:59,170 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 497 transitions. [2022-11-18 20:27:59,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 497 transitions. [2022-11-18 20:27:59,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 20:27:59,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:59,176 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] [2022-11-18 20:27:59,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-18 20:27:59,177 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:27:59,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:59,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1796987520, now seen corresponding path program 1 times [2022-11-18 20:27:59,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:59,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702327900] [2022-11-18 20:27:59,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:59,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:59,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:59,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702327900] [2022-11-18 20:27:59,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702327900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:59,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:59,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:59,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951944013] [2022-11-18 20:27:59,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:59,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:59,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:59,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:59,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:59,489 INFO L87 Difference]: Start difference. First operand 405 states and 497 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:01,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:01,560 INFO L93 Difference]: Finished difference Result 850 states and 1098 transitions. [2022-11-18 20:28:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:28:01,561 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-11-18 20:28:01,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:01,563 INFO L225 Difference]: With dead ends: 850 [2022-11-18 20:28:01,564 INFO L226 Difference]: Without dead ends: 745 [2022-11-18 20:28:01,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:28:01,565 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 1203 mSDsluCounter, 1570 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 2119 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:01,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 2119 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:28:01,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2022-11-18 20:28:01,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 401. [2022-11-18 20:28:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.277922077922078) internal successors, (492), 400 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:01,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 492 transitions. [2022-11-18 20:28:01,812 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 492 transitions. Word has length 82 [2022-11-18 20:28:01,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:01,813 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 492 transitions. [2022-11-18 20:28:01,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 492 transitions. [2022-11-18 20:28:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 20:28:01,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:01,815 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] [2022-11-18 20:28:01,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-18 20:28:01,815 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:01,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:01,816 INFO L85 PathProgramCache]: Analyzing trace with hash -558946144, now seen corresponding path program 1 times [2022-11-18 20:28:01,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:01,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594691921] [2022-11-18 20:28:01,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:01,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:02,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:02,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594691921] [2022-11-18 20:28:02,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594691921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:02,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:02,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:28:02,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895176958] [2022-11-18 20:28:02,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:02,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:28:02,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:02,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:28:02,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:28:02,105 INFO L87 Difference]: Start difference. First operand 401 states and 492 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:04,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:04,167 INFO L93 Difference]: Finished difference Result 722 states and 915 transitions. [2022-11-18 20:28:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:28:04,168 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-11-18 20:28:04,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:04,170 INFO L225 Difference]: With dead ends: 722 [2022-11-18 20:28:04,170 INFO L226 Difference]: Without dead ends: 717 [2022-11-18 20:28:04,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:28:04,171 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 1509 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 1905 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:04,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 1905 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:28:04,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2022-11-18 20:28:04,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 397. [2022-11-18 20:28:04,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.2782152230971129) internal successors, (487), 396 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:04,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 487 transitions. [2022-11-18 20:28:04,352 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 487 transitions. Word has length 82 [2022-11-18 20:28:04,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:04,352 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 487 transitions. [2022-11-18 20:28:04,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:04,352 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 487 transitions. [2022-11-18 20:28:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 20:28:04,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:04,353 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] [2022-11-18 20:28:04,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-18 20:28:04,354 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:04,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:04,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1458444177, now seen corresponding path program 1 times [2022-11-18 20:28:04,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:04,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979274950] [2022-11-18 20:28:04,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:04,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:04,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:04,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:04,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979274950] [2022-11-18 20:28:04,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979274950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:04,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:04,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:28:04,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945234225] [2022-11-18 20:28:04,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:04,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:28:04,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:04,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:28:04,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:28:04,618 INFO L87 Difference]: Start difference. First operand 397 states and 487 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:06,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:06,695 INFO L93 Difference]: Finished difference Result 746 states and 949 transitions. [2022-11-18 20:28:06,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:28:06,696 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-11-18 20:28:06,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:06,698 INFO L225 Difference]: With dead ends: 746 [2022-11-18 20:28:06,698 INFO L226 Difference]: Without dead ends: 729 [2022-11-18 20:28:06,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:28:06,699 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 1913 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 2164 SdHoareTripleChecker+Invalid, 1519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:06,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 2164 Invalid, 1519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:28:06,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2022-11-18 20:28:06,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 393. [2022-11-18 20:28:06,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.2785145888594165) internal successors, (482), 392 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 482 transitions. [2022-11-18 20:28:06,890 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 482 transitions. Word has length 82 [2022-11-18 20:28:06,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:06,890 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 482 transitions. [2022-11-18 20:28:06,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:06,891 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 482 transitions. [2022-11-18 20:28:06,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 20:28:06,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:06,892 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] [2022-11-18 20:28:06,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-18 20:28:06,893 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:06,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:06,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1687929497, now seen corresponding path program 1 times [2022-11-18 20:28:06,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:06,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940185289] [2022-11-18 20:28:06,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:06,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:07,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:07,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940185289] [2022-11-18 20:28:07,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940185289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:07,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:07,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 20:28:07,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727297085] [2022-11-18 20:28:07,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:07,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:28:07,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:07,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:28:07,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:28:07,734 INFO L87 Difference]: Start difference. First operand 393 states and 482 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:10,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:10,503 INFO L93 Difference]: Finished difference Result 925 states and 1133 transitions. [2022-11-18 20:28:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 20:28:10,503 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-11-18 20:28:10,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:10,506 INFO L225 Difference]: With dead ends: 925 [2022-11-18 20:28:10,506 INFO L226 Difference]: Without dead ends: 856 [2022-11-18 20:28:10,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-11-18 20:28:10,507 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 2754 mSDsluCounter, 3471 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2754 SdHoareTripleChecker+Valid, 4059 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:10,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2754 Valid, 4059 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 20:28:10,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2022-11-18 20:28:10,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 389. [2022-11-18 20:28:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 374 states have (on average 1.2754010695187166) internal successors, (477), 388 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 477 transitions. [2022-11-18 20:28:10,760 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 477 transitions. Word has length 83 [2022-11-18 20:28:10,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:10,760 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 477 transitions. [2022-11-18 20:28:10,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 477 transitions. [2022-11-18 20:28:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 20:28:10,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:10,761 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] [2022-11-18 20:28:10,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-18 20:28:10,761 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:10,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:10,762 INFO L85 PathProgramCache]: Analyzing trace with hash -92587651, now seen corresponding path program 1 times [2022-11-18 20:28:10,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:10,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880201955] [2022-11-18 20:28:10,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:10,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:11,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:11,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:11,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880201955] [2022-11-18 20:28:11,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880201955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:11,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:11,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-18 20:28:11,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47328607] [2022-11-18 20:28:11,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:11,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 20:28:11,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:11,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 20:28:11,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:28:11,825 INFO L87 Difference]: Start difference. First operand 389 states and 477 transitions. Second operand has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:14,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:14,791 INFO L93 Difference]: Finished difference Result 1064 states and 1367 transitions. [2022-11-18 20:28:14,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 20:28:14,792 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-11-18 20:28:14,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:14,794 INFO L225 Difference]: With dead ends: 1064 [2022-11-18 20:28:14,794 INFO L226 Difference]: Without dead ends: 889 [2022-11-18 20:28:14,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2022-11-18 20:28:14,795 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 3325 mSDsluCounter, 4267 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 5036 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:14,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 5036 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 20:28:14,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2022-11-18 20:28:14,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 340. [2022-11-18 20:28:14,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 326 states have (on average 1.2668711656441718) internal successors, (413), 339 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:14,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 413 transitions. [2022-11-18 20:28:14,981 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 413 transitions. Word has length 83 [2022-11-18 20:28:14,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:14,981 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 413 transitions. [2022-11-18 20:28:14,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:14,981 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 413 transitions. [2022-11-18 20:28:14,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 20:28:14,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:14,982 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] [2022-11-18 20:28:14,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-18 20:28:14,982 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:14,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:14,983 INFO L85 PathProgramCache]: Analyzing trace with hash -119228615, now seen corresponding path program 1 times [2022-11-18 20:28:14,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:14,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457583084] [2022-11-18 20:28:14,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:14,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:15,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:15,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457583084] [2022-11-18 20:28:15,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457583084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:15,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:15,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:28:15,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642508171] [2022-11-18 20:28:15,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:15,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:28:15,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:15,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:28:15,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:28:15,661 INFO L87 Difference]: Start difference. First operand 340 states and 413 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:17,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:17,557 INFO L93 Difference]: Finished difference Result 859 states and 1135 transitions. [2022-11-18 20:28:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:28:17,558 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-11-18 20:28:17,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:17,559 INFO L225 Difference]: With dead ends: 859 [2022-11-18 20:28:17,559 INFO L226 Difference]: Without dead ends: 761 [2022-11-18 20:28:17,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-11-18 20:28:17,560 INFO L413 NwaCegarLoop]: 818 mSDtfsCounter, 2475 mSDsluCounter, 2895 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2475 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:17,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2475 Valid, 3713 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 20:28:17,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2022-11-18 20:28:17,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 307. [2022-11-18 20:28:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 296 states have (on average 1.260135135135135) internal successors, (373), 306 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:17,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 373 transitions. [2022-11-18 20:28:17,748 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 373 transitions. Word has length 83 [2022-11-18 20:28:17,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:17,748 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 373 transitions. [2022-11-18 20:28:17,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 373 transitions. [2022-11-18 20:28:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 20:28:17,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:17,750 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] [2022-11-18 20:28:17,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-18 20:28:17,750 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:17,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:17,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2051820758, now seen corresponding path program 1 times [2022-11-18 20:28:17,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:17,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267909309] [2022-11-18 20:28:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:17,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:20,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:20,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267909309] [2022-11-18 20:28:20,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267909309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:20,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:20,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-11-18 20:28:20,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299233381] [2022-11-18 20:28:20,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:20,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-18 20:28:20,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:20,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-18 20:28:20,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2022-11-18 20:28:20,429 INFO L87 Difference]: Start difference. First operand 307 states and 373 transitions. Second operand has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:30,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:30,528 INFO L93 Difference]: Finished difference Result 1059 states and 1329 transitions. [2022-11-18 20:28:30,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-18 20:28:30,529 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-11-18 20:28:30,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:30,531 INFO L225 Difference]: With dead ends: 1059 [2022-11-18 20:28:30,531 INFO L226 Difference]: Without dead ends: 990 [2022-11-18 20:28:30,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=434, Invalid=2322, Unknown=0, NotChecked=0, Total=2756 [2022-11-18 20:28:30,532 INFO L413 NwaCegarLoop]: 820 mSDtfsCounter, 3666 mSDsluCounter, 10677 mSDsCounter, 0 mSdLazyCounter, 6298 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3666 SdHoareTripleChecker+Valid, 11497 SdHoareTripleChecker+Invalid, 6319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 6298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:30,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3666 Valid, 11497 Invalid, 6319 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 6298 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-18 20:28:30,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2022-11-18 20:28:30,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 327. [2022-11-18 20:28:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 316 states have (on average 1.2658227848101267) internal successors, (400), 326 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 400 transitions. [2022-11-18 20:28:30,748 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 400 transitions. Word has length 83 [2022-11-18 20:28:30,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:30,748 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 400 transitions. [2022-11-18 20:28:30,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 400 transitions. [2022-11-18 20:28:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 20:28:30,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:30,749 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] [2022-11-18 20:28:30,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-18 20:28:30,750 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:30,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:30,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1787055611, now seen corresponding path program 1 times [2022-11-18 20:28:30,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:30,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821531026] [2022-11-18 20:28:30,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:30,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:31,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:31,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821531026] [2022-11-18 20:28:31,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821531026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:31,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:31,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 20:28:31,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627349157] [2022-11-18 20:28:31,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:31,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:28:31,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:31,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:28:31,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:28:31,445 INFO L87 Difference]: Start difference. First operand 327 states and 400 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:34,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:34,668 INFO L93 Difference]: Finished difference Result 1114 states and 1511 transitions. [2022-11-18 20:28:34,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:28:34,668 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-11-18 20:28:34,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:34,671 INFO L225 Difference]: With dead ends: 1114 [2022-11-18 20:28:34,671 INFO L226 Difference]: Without dead ends: 986 [2022-11-18 20:28:34,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-11-18 20:28:34,682 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 2575 mSDsluCounter, 4782 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2575 SdHoareTripleChecker+Valid, 5545 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:34,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2575 Valid, 5545 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 20:28:34,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2022-11-18 20:28:34,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 264. [2022-11-18 20:28:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 257 states have (on average 1.264591439688716) internal successors, (325), 263 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 325 transitions. [2022-11-18 20:28:34,919 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 325 transitions. Word has length 83 [2022-11-18 20:28:34,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:34,919 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 325 transitions. [2022-11-18 20:28:34,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 325 transitions. [2022-11-18 20:28:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-18 20:28:34,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:34,920 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] [2022-11-18 20:28:34,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-18 20:28:34,920 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:34,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:34,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1276582986, now seen corresponding path program 1 times [2022-11-18 20:28:34,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:34,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513643297] [2022-11-18 20:28:34,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:34,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:35,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:35,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513643297] [2022-11-18 20:28:35,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513643297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:35,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:35,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:28:35,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304379218] [2022-11-18 20:28:35,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:35,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:28:35,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:35,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:28:35,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:28:35,563 INFO L87 Difference]: Start difference. First operand 264 states and 325 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:37,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:37,026 INFO L93 Difference]: Finished difference Result 448 states and 573 transitions. [2022-11-18 20:28:37,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:28:37,027 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-11-18 20:28:37,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:37,028 INFO L225 Difference]: With dead ends: 448 [2022-11-18 20:28:37,028 INFO L226 Difference]: Without dead ends: 379 [2022-11-18 20:28:37,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:28:37,029 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 1399 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:37,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 1531 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 20:28:37,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-11-18 20:28:37,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 240. [2022-11-18 20:28:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 234 states have (on average 1.2521367521367521) internal successors, (293), 239 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 293 transitions. [2022-11-18 20:28:37,238 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 293 transitions. Word has length 84 [2022-11-18 20:28:37,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:37,238 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 293 transitions. [2022-11-18 20:28:37,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 293 transitions. [2022-11-18 20:28:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-18 20:28:37,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:37,239 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] [2022-11-18 20:28:37,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-18 20:28:37,240 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:37,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:37,240 INFO L85 PathProgramCache]: Analyzing trace with hash -610164347, now seen corresponding path program 1 times [2022-11-18 20:28:37,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:37,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154470740] [2022-11-18 20:28:37,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:37,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:37,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:37,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:37,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154470740] [2022-11-18 20:28:37,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154470740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:37,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:37,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 20:28:37,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658708925] [2022-11-18 20:28:37,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:37,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:28:37,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:37,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:28:37,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:28:37,982 INFO L87 Difference]: Start difference. First operand 240 states and 293 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:40,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:40,270 INFO L93 Difference]: Finished difference Result 636 states and 826 transitions. [2022-11-18 20:28:40,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 20:28:40,278 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-11-18 20:28:40,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:40,280 INFO L225 Difference]: With dead ends: 636 [2022-11-18 20:28:40,280 INFO L226 Difference]: Without dead ends: 560 [2022-11-18 20:28:40,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-11-18 20:28:40,281 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 1531 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 2790 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:40,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 2790 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 20:28:40,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-11-18 20:28:40,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 229. [2022-11-18 20:28:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 224 states have (on average 1.2455357142857142) internal successors, (279), 228 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 279 transitions. [2022-11-18 20:28:40,469 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 279 transitions. Word has length 84 [2022-11-18 20:28:40,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:40,469 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 279 transitions. [2022-11-18 20:28:40,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:40,470 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 279 transitions. [2022-11-18 20:28:40,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-18 20:28:40,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:40,470 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] [2022-11-18 20:28:40,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-18 20:28:40,471 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:40,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:40,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1057356833, now seen corresponding path program 1 times [2022-11-18 20:28:40,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:40,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440974441] [2022-11-18 20:28:40,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:40,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:41,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:41,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440974441] [2022-11-18 20:28:41,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440974441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:41,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:41,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 20:28:41,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326397173] [2022-11-18 20:28:41,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:41,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:28:41,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:41,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:28:41,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:28:41,162 INFO L87 Difference]: Start difference. First operand 229 states and 279 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:44,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:44,195 INFO L93 Difference]: Finished difference Result 1015 states and 1381 transitions. [2022-11-18 20:28:44,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 20:28:44,196 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-11-18 20:28:44,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:44,198 INFO L225 Difference]: With dead ends: 1015 [2022-11-18 20:28:44,198 INFO L226 Difference]: Without dead ends: 943 [2022-11-18 20:28:44,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-11-18 20:28:44,199 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 2562 mSDsluCounter, 2830 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2562 SdHoareTripleChecker+Valid, 3407 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:44,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2562 Valid, 3407 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 20:28:44,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2022-11-18 20:28:44,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 222. [2022-11-18 20:28:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 217 states have (on average 1.23963133640553) internal successors, (269), 221 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 269 transitions. [2022-11-18 20:28:44,416 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 269 transitions. Word has length 84 [2022-11-18 20:28:44,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:44,416 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 269 transitions. [2022-11-18 20:28:44,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 269 transitions. [2022-11-18 20:28:44,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-18 20:28:44,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:44,417 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] [2022-11-18 20:28:44,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-18 20:28:44,418 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:44,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:44,418 INFO L85 PathProgramCache]: Analyzing trace with hash -446937818, now seen corresponding path program 1 times [2022-11-18 20:28:44,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:44,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010708099] [2022-11-18 20:28:44,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:44,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:45,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:45,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:45,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010708099] [2022-11-18 20:28:45,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010708099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:45,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:45,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:28:45,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358172821] [2022-11-18 20:28:45,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:45,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 20:28:45,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:45,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:28:45,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:28:45,046 INFO L87 Difference]: Start difference. First operand 222 states and 269 transitions. Second operand has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:46,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:46,184 INFO L93 Difference]: Finished difference Result 415 states and 531 transitions. [2022-11-18 20:28:46,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:28:46,185 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-11-18 20:28:46,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:46,186 INFO L225 Difference]: With dead ends: 415 [2022-11-18 20:28:46,186 INFO L226 Difference]: Without dead ends: 333 [2022-11-18 20:28:46,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2022-11-18 20:28:46,187 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 543 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:46,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 1942 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:28:46,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-11-18 20:28:46,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 205. [2022-11-18 20:28:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 201 states have (on average 1.2338308457711442) internal successors, (248), 204 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 248 transitions. [2022-11-18 20:28:46,422 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 248 transitions. Word has length 84 [2022-11-18 20:28:46,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:46,422 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 248 transitions. [2022-11-18 20:28:46,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 248 transitions. [2022-11-18 20:28:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-18 20:28:46,423 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:46,423 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] [2022-11-18 20:28:46,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-18 20:28:46,424 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:46,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:46,424 INFO L85 PathProgramCache]: Analyzing trace with hash -102555148, now seen corresponding path program 1 times [2022-11-18 20:28:46,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:46,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032853004] [2022-11-18 20:28:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:46,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:46,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:46,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032853004] [2022-11-18 20:28:46,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032853004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:46,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:46,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:28:46,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498453648] [2022-11-18 20:28:46,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:46,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:28:46,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:46,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:28:46,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:28:46,722 INFO L87 Difference]: Start difference. First operand 205 states and 248 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:47,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:47,768 INFO L93 Difference]: Finished difference Result 312 states and 387 transitions. [2022-11-18 20:28:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:28:47,768 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-11-18 20:28:47,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:47,769 INFO L225 Difference]: With dead ends: 312 [2022-11-18 20:28:47,769 INFO L226 Difference]: Without dead ends: 305 [2022-11-18 20:28:47,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-11-18 20:28:47,770 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 1125 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:47,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 792 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:28:47,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-11-18 20:28:47,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 205. [2022-11-18 20:28:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 201 states have (on average 1.228855721393035) internal successors, (247), 204 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:47,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 247 transitions. [2022-11-18 20:28:47,974 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 247 transitions. Word has length 84 [2022-11-18 20:28:47,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:47,974 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 247 transitions. [2022-11-18 20:28:47,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:47,975 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 247 transitions. [2022-11-18 20:28:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-18 20:28:47,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:47,976 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] [2022-11-18 20:28:47,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-18 20:28:47,976 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:47,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:47,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1707932206, now seen corresponding path program 1 times [2022-11-18 20:28:47,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:47,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834523004] [2022-11-18 20:28:47,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:47,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:48,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:48,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:48,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834523004] [2022-11-18 20:28:48,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834523004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:48,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:48,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:28:48,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995342132] [2022-11-18 20:28:48,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:48,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:28:48,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:48,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:28:48,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:28:48,521 INFO L87 Difference]: Start difference. First operand 205 states and 247 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:52,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:52,731 INFO L93 Difference]: Finished difference Result 978 states and 1335 transitions. [2022-11-18 20:28:52,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:28:52,732 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-11-18 20:28:52,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:52,734 INFO L225 Difference]: With dead ends: 978 [2022-11-18 20:28:52,734 INFO L226 Difference]: Without dead ends: 895 [2022-11-18 20:28:52,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 20:28:52,735 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 3701 mSDsluCounter, 1387 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3701 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:52,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3701 Valid, 1714 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1297 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 20:28:52,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2022-11-18 20:28:52,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 209. [2022-11-18 20:28:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 205 states have (on average 1.224390243902439) internal successors, (251), 208 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 251 transitions. [2022-11-18 20:28:52,945 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 251 transitions. Word has length 84 [2022-11-18 20:28:52,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:52,945 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 251 transitions. [2022-11-18 20:28:52,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:52,946 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 251 transitions. [2022-11-18 20:28:52,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-18 20:28:52,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:52,946 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] [2022-11-18 20:28:52,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-18 20:28:52,946 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:52,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:52,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1658257545, now seen corresponding path program 1 times [2022-11-18 20:28:52,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:52,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990379257] [2022-11-18 20:28:52,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:52,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:53,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:53,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990379257] [2022-11-18 20:28:53,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990379257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:53,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:53,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:28:53,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423304231] [2022-11-18 20:28:53,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:53,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:28:53,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:53,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:28:53,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:28:53,231 INFO L87 Difference]: Start difference. First operand 209 states and 251 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:54,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:54,297 INFO L93 Difference]: Finished difference Result 316 states and 390 transitions. [2022-11-18 20:28:54,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:28:54,298 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-11-18 20:28:54,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:54,299 INFO L225 Difference]: With dead ends: 316 [2022-11-18 20:28:54,299 INFO L226 Difference]: Without dead ends: 309 [2022-11-18 20:28:54,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:28:54,300 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 668 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:54,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 608 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:28:54,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-11-18 20:28:54,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 209. [2022-11-18 20:28:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 205 states have (on average 1.2195121951219512) internal successors, (250), 208 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 250 transitions. [2022-11-18 20:28:54,566 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 250 transitions. Word has length 85 [2022-11-18 20:28:54,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:54,567 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 250 transitions. [2022-11-18 20:28:54,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 250 transitions. [2022-11-18 20:28:54,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-18 20:28:54,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:54,567 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] [2022-11-18 20:28:54,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-18 20:28:54,568 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:54,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:54,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1176082131, now seen corresponding path program 1 times [2022-11-18 20:28:54,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:54,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488305069] [2022-11-18 20:28:54,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:54,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:54,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:54,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:54,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488305069] [2022-11-18 20:28:54,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488305069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:54,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:54,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:28:54,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978361771] [2022-11-18 20:28:54,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:54,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:28:54,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:54,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:28:54,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:28:54,810 INFO L87 Difference]: Start difference. First operand 209 states and 250 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:55,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:55,920 INFO L93 Difference]: Finished difference Result 412 states and 520 transitions. [2022-11-18 20:28:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:28:55,921 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-11-18 20:28:55,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:55,922 INFO L225 Difference]: With dead ends: 412 [2022-11-18 20:28:55,922 INFO L226 Difference]: Without dead ends: 329 [2022-11-18 20:28:55,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:28:55,924 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 892 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:55,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 820 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:28:55,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-11-18 20:28:56,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 205. [2022-11-18 20:28:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 201 states have (on average 1.2189054726368158) internal successors, (245), 204 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:56,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 245 transitions. [2022-11-18 20:28:56,167 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 245 transitions. Word has length 85 [2022-11-18 20:28:56,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:56,167 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 245 transitions. [2022-11-18 20:28:56,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 245 transitions. [2022-11-18 20:28:56,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-18 20:28:56,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:56,168 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] [2022-11-18 20:28:56,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-18 20:28:56,169 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:28:56,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:56,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1644810532, now seen corresponding path program 1 times [2022-11-18 20:28:56,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:56,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111577516] [2022-11-18 20:28:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:56,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:58,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:58,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111577516] [2022-11-18 20:28:58,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111577516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:58,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:58,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-11-18 20:28:58,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627118490] [2022-11-18 20:28:58,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:58,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-18 20:28:58,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:58,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 20:28:58,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:28:58,549 INFO L87 Difference]: Start difference. First operand 205 states and 245 transitions. Second operand has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:06,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:06,510 INFO L93 Difference]: Finished difference Result 776 states and 984 transitions. [2022-11-18 20:29:06,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 20:29:06,510 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-11-18 20:29:06,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:06,512 INFO L225 Difference]: With dead ends: 776 [2022-11-18 20:29:06,513 INFO L226 Difference]: Without dead ends: 768 [2022-11-18 20:29:06,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=425, Invalid=2125, Unknown=0, NotChecked=0, Total=2550 [2022-11-18 20:29:06,514 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 2297 mSDsluCounter, 8951 mSDsCounter, 0 mSdLazyCounter, 4341 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 9641 SdHoareTripleChecker+Invalid, 4362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:06,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 9641 Invalid, 4362 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 4341 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-18 20:29:06,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2022-11-18 20:29:06,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 224. [2022-11-18 20:29:06,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 220 states have (on average 1.2181818181818183) internal successors, (268), 223 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:06,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 268 transitions. [2022-11-18 20:29:06,853 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 268 transitions. Word has length 86 [2022-11-18 20:29:06,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:06,854 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 268 transitions. [2022-11-18 20:29:06,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 268 transitions. [2022-11-18 20:29:06,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-18 20:29:06,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:06,855 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] [2022-11-18 20:29:06,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-11-18 20:29:06,855 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:29:06,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:06,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1161243347, now seen corresponding path program 1 times [2022-11-18 20:29:06,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:06,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037096943] [2022-11-18 20:29:06,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:06,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:09,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:09,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:09,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037096943] [2022-11-18 20:29:09,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037096943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:09,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:09,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-11-18 20:29:09,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105560717] [2022-11-18 20:29:09,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:09,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-18 20:29:09,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:09,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 20:29:09,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:29:09,069 INFO L87 Difference]: Start difference. First operand 224 states and 268 transitions. Second operand has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:18,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:18,038 INFO L93 Difference]: Finished difference Result 1048 states and 1379 transitions. [2022-11-18 20:29:18,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 20:29:18,039 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-11-18 20:29:18,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:18,041 INFO L225 Difference]: With dead ends: 1048 [2022-11-18 20:29:18,042 INFO L226 Difference]: Without dead ends: 1042 [2022-11-18 20:29:18,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=426, Invalid=2124, Unknown=0, NotChecked=0, Total=2550 [2022-11-18 20:29:18,043 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 2050 mSDsluCounter, 10736 mSDsCounter, 0 mSdLazyCounter, 5430 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2050 SdHoareTripleChecker+Valid, 11482 SdHoareTripleChecker+Invalid, 5451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:18,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2050 Valid, 11482 Invalid, 5451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 5430 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-18 20:29:18,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2022-11-18 20:29:18,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 230. [2022-11-18 20:29:18,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 226 states have (on average 1.2212389380530972) internal successors, (276), 229 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:18,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 276 transitions. [2022-11-18 20:29:18,418 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 276 transitions. Word has length 86 [2022-11-18 20:29:18,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:18,418 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 276 transitions. [2022-11-18 20:29:18,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 276 transitions. [2022-11-18 20:29:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-18 20:29:18,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:18,419 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] [2022-11-18 20:29:18,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-18 20:29:18,419 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:29:18,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:18,420 INFO L85 PathProgramCache]: Analyzing trace with hash 575495472, now seen corresponding path program 1 times [2022-11-18 20:29:18,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:18,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357271109] [2022-11-18 20:29:18,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:18,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:18,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:18,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357271109] [2022-11-18 20:29:18,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357271109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:18,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:18,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 20:29:18,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303595827] [2022-11-18 20:29:18,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:18,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:29:18,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:18,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:29:18,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:29:18,975 INFO L87 Difference]: Start difference. First operand 230 states and 276 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:21,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:21,696 INFO L93 Difference]: Finished difference Result 666 states and 871 transitions. [2022-11-18 20:29:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:29:21,697 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-11-18 20:29:21,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:21,698 INFO L225 Difference]: With dead ends: 666 [2022-11-18 20:29:21,698 INFO L226 Difference]: Without dead ends: 651 [2022-11-18 20:29:21,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-11-18 20:29:21,699 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1421 mSDsluCounter, 3480 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1421 SdHoareTripleChecker+Valid, 4043 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:21,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1421 Valid, 4043 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 20:29:21,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2022-11-18 20:29:21,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 214. [2022-11-18 20:29:21,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 211 states have (on average 1.2227488151658767) internal successors, (258), 213 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 258 transitions. [2022-11-18 20:29:21,932 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 258 transitions. Word has length 87 [2022-11-18 20:29:21,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:21,933 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 258 transitions. [2022-11-18 20:29:21,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 258 transitions. [2022-11-18 20:29:21,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-18 20:29:21,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:21,933 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] [2022-11-18 20:29:21,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-18 20:29:21,934 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:29:21,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:21,934 INFO L85 PathProgramCache]: Analyzing trace with hash 91928287, now seen corresponding path program 1 times [2022-11-18 20:29:21,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:21,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089477568] [2022-11-18 20:29:21,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:21,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:23,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:23,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089477568] [2022-11-18 20:29:23,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089477568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:23,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:23,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-11-18 20:29:23,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548243738] [2022-11-18 20:29:23,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:23,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-18 20:29:23,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:23,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 20:29:23,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2022-11-18 20:29:23,862 INFO L87 Difference]: Start difference. First operand 214 states and 258 transitions. Second operand has 24 states, 24 states have (on average 3.625) internal successors, (87), 24 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:32,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:32,800 INFO L93 Difference]: Finished difference Result 979 states and 1316 transitions. [2022-11-18 20:29:32,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 20:29:32,800 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.625) internal successors, (87), 24 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-11-18 20:29:32,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:32,802 INFO L225 Difference]: With dead ends: 979 [2022-11-18 20:29:32,802 INFO L226 Difference]: Without dead ends: 973 [2022-11-18 20:29:32,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=350, Invalid=1720, Unknown=0, NotChecked=0, Total=2070 [2022-11-18 20:29:32,803 INFO L413 NwaCegarLoop]: 887 mSDtfsCounter, 1786 mSDsluCounter, 10708 mSDsCounter, 0 mSdLazyCounter, 4797 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 11595 SdHoareTripleChecker+Invalid, 4813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 4797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:32,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 11595 Invalid, 4813 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 4797 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-18 20:29:32,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2022-11-18 20:29:33,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 209. [2022-11-18 20:29:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 206 states have (on average 1.2233009708737863) internal successors, (252), 208 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 252 transitions. [2022-11-18 20:29:33,037 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 252 transitions. Word has length 87 [2022-11-18 20:29:33,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:33,037 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 252 transitions. [2022-11-18 20:29:33,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.625) internal successors, (87), 24 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 252 transitions. [2022-11-18 20:29:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-18 20:29:33,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:33,038 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] [2022-11-18 20:29:33,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-11-18 20:29:33,038 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:29:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:33,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1263441831, now seen corresponding path program 1 times [2022-11-18 20:29:33,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:33,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259047224] [2022-11-18 20:29:33,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:33,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:35,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:35,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259047224] [2022-11-18 20:29:35,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259047224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:35,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:35,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-11-18 20:29:35,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231444886] [2022-11-18 20:29:35,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:35,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-18 20:29:35,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:35,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 20:29:35,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:29:35,290 INFO L87 Difference]: Start difference. First operand 209 states and 252 transitions. Second operand has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:46,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:46,723 INFO L93 Difference]: Finished difference Result 969 states and 1272 transitions. [2022-11-18 20:29:46,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-18 20:29:46,724 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-11-18 20:29:46,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:46,726 INFO L225 Difference]: With dead ends: 969 [2022-11-18 20:29:46,726 INFO L226 Difference]: Without dead ends: 961 [2022-11-18 20:29:46,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=569, Invalid=2293, Unknown=0, NotChecked=0, Total=2862 [2022-11-18 20:29:46,728 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 2527 mSDsluCounter, 11295 mSDsCounter, 0 mSdLazyCounter, 5901 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2527 SdHoareTripleChecker+Valid, 12062 SdHoareTripleChecker+Invalid, 5915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 5901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:46,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2527 Valid, 12062 Invalid, 5915 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 5901 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-18 20:29:46,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2022-11-18 20:29:47,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 219. [2022-11-18 20:29:47,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 216 states have (on average 1.2175925925925926) internal successors, (263), 218 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:47,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 263 transitions. [2022-11-18 20:29:47,012 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 263 transitions. Word has length 87 [2022-11-18 20:29:47,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:47,013 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 263 transitions. [2022-11-18 20:29:47,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:47,013 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 263 transitions. [2022-11-18 20:29:47,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-18 20:29:47,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:47,014 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] [2022-11-18 20:29:47,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-18 20:29:47,014 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:29:47,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:47,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1168057198, now seen corresponding path program 1 times [2022-11-18 20:29:47,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:47,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231012089] [2022-11-18 20:29:47,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:47,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:47,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:47,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:47,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231012089] [2022-11-18 20:29:47,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231012089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:47,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:47,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 20:29:47,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16503414] [2022-11-18 20:29:47,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:47,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:29:47,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:47,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:29:47,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:29:47,705 INFO L87 Difference]: Start difference. First operand 219 states and 263 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:51,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:51,036 INFO L93 Difference]: Finished difference Result 743 states and 998 transitions. [2022-11-18 20:29:51,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:29:51,037 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-11-18 20:29:51,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:51,038 INFO L225 Difference]: With dead ends: 743 [2022-11-18 20:29:51,039 INFO L226 Difference]: Without dead ends: 737 [2022-11-18 20:29:51,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-11-18 20:29:51,039 INFO L413 NwaCegarLoop]: 478 mSDtfsCounter, 1394 mSDsluCounter, 3169 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 3647 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:51,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1394 Valid, 3647 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 20:29:51,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-11-18 20:29:51,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 197. [2022-11-18 20:29:51,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 195 states have (on average 1.2153846153846153) internal successors, (237), 196 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:51,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 237 transitions. [2022-11-18 20:29:51,354 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 237 transitions. Word has length 87 [2022-11-18 20:29:51,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:51,354 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 237 transitions. [2022-11-18 20:29:51,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:51,355 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 237 transitions. [2022-11-18 20:29:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-18 20:29:51,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:51,356 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] [2022-11-18 20:29:51,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-11-18 20:29:51,356 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:29:51,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:51,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1503610841, now seen corresponding path program 1 times [2022-11-18 20:29:51,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:51,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394783112] [2022-11-18 20:29:51,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:51,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:51,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:51,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394783112] [2022-11-18 20:29:51,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394783112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:51,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:51,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 20:29:51,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394942611] [2022-11-18 20:29:51,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:51,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:29:51,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:51,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:29:51,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:29:51,819 INFO L87 Difference]: Start difference. First operand 197 states and 237 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:53,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:53,316 INFO L93 Difference]: Finished difference Result 437 states and 572 transitions. [2022-11-18 20:29:53,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:29:53,317 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-11-18 20:29:53,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:53,318 INFO L225 Difference]: With dead ends: 437 [2022-11-18 20:29:53,318 INFO L226 Difference]: Without dead ends: 397 [2022-11-18 20:29:53,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-11-18 20:29:53,319 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 1339 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1339 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:53,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1339 Valid, 925 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:29:53,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-11-18 20:29:53,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 157. [2022-11-18 20:29:53,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.2371794871794872) internal successors, (193), 156 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 193 transitions. [2022-11-18 20:29:53,587 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 193 transitions. Word has length 88 [2022-11-18 20:29:53,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:53,588 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 193 transitions. [2022-11-18 20:29:53,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 193 transitions. [2022-11-18 20:29:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-18 20:29:53,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:53,589 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] [2022-11-18 20:29:53,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-18 20:29:53,589 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:29:53,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:53,589 INFO L85 PathProgramCache]: Analyzing trace with hash -2132814901, now seen corresponding path program 1 times [2022-11-18 20:29:53,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:53,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261968663] [2022-11-18 20:29:53,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:53,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:53,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:53,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:53,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261968663] [2022-11-18 20:29:53,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261968663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:53,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:53,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:29:53,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283989717] [2022-11-18 20:29:53,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:53,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:29:53,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:53,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:29:53,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:29:53,750 INFO L87 Difference]: Start difference. First operand 157 states and 193 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:56,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:56,316 INFO L93 Difference]: Finished difference Result 807 states and 1143 transitions. [2022-11-18 20:29:56,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:29:56,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-11-18 20:29:56,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:56,319 INFO L225 Difference]: With dead ends: 807 [2022-11-18 20:29:56,319 INFO L226 Difference]: Without dead ends: 742 [2022-11-18 20:29:56,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:29:56,320 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 1268 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 2157 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:56,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 2157 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:29:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2022-11-18 20:29:56,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 220. [2022-11-18 20:29:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 219 states have (on average 1.3013698630136987) internal successors, (285), 219 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 285 transitions. [2022-11-18 20:29:56,812 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 285 transitions. Word has length 114 [2022-11-18 20:29:56,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:56,812 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 285 transitions. [2022-11-18 20:29:56,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:56,813 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 285 transitions. [2022-11-18 20:29:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-18 20:29:56,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:56,813 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] [2022-11-18 20:29:56,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-18 20:29:56,814 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:29:56,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:56,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1778175941, now seen corresponding path program 1 times [2022-11-18 20:29:56,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:56,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435990481] [2022-11-18 20:29:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:56,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:56,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:56,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435990481] [2022-11-18 20:29:56,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435990481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:56,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:56,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:29:56,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040379282] [2022-11-18 20:29:56,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:56,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:29:56,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:56,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:29:56,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:29:56,972 INFO L87 Difference]: Start difference. First operand 220 states and 285 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:59,697 INFO L93 Difference]: Finished difference Result 925 states and 1313 transitions. [2022-11-18 20:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:29:59,698 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-11-18 20:29:59,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:59,699 INFO L225 Difference]: With dead ends: 925 [2022-11-18 20:29:59,699 INFO L226 Difference]: Without dead ends: 797 [2022-11-18 20:29:59,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:29:59,700 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1034 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:59,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 1227 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:29:59,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-11-18 20:30:00,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 346. [2022-11-18 20:30:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 345 states have (on average 1.3623188405797102) internal successors, (470), 345 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 470 transitions. [2022-11-18 20:30:00,721 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 470 transitions. Word has length 116 [2022-11-18 20:30:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:00,722 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 470 transitions. [2022-11-18 20:30:00,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:00,722 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 470 transitions. [2022-11-18 20:30:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-18 20:30:00,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:00,723 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] [2022-11-18 20:30:00,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-11-18 20:30:00,724 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:30:00,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:00,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1881237749, now seen corresponding path program 1 times [2022-11-18 20:30:00,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:00,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488251032] [2022-11-18 20:30:00,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:00,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:00,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:30:00,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:00,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488251032] [2022-11-18 20:30:00,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488251032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:00,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:00,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:30:00,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641022668] [2022-11-18 20:30:00,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:00,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:30:00,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:00,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:30:00,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:30:00,893 INFO L87 Difference]: Start difference. First operand 346 states and 470 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:04,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:04,266 INFO L93 Difference]: Finished difference Result 1051 states and 1498 transitions. [2022-11-18 20:30:04,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:30:04,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-11-18 20:30:04,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:04,268 INFO L225 Difference]: With dead ends: 1051 [2022-11-18 20:30:04,268 INFO L226 Difference]: Without dead ends: 923 [2022-11-18 20:30:04,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:30:04,269 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 1034 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:04,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 1151 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:30:04,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2022-11-18 20:30:05,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 535. [2022-11-18 20:30:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 534 states have (on average 1.398876404494382) internal successors, (747), 534 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 747 transitions. [2022-11-18 20:30:05,897 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 747 transitions. Word has length 116 [2022-11-18 20:30:05,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:05,898 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 747 transitions. [2022-11-18 20:30:05,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 747 transitions. [2022-11-18 20:30:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-18 20:30:05,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:05,899 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] [2022-11-18 20:30:05,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-11-18 20:30:05,899 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:30:05,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:05,900 INFO L85 PathProgramCache]: Analyzing trace with hash -455453719, now seen corresponding path program 1 times [2022-11-18 20:30:05,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:05,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583473962] [2022-11-18 20:30:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:05,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:06,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:30:06,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:06,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583473962] [2022-11-18 20:30:06,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583473962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:06,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:06,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:30:06,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558508081] [2022-11-18 20:30:06,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:06,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:30:06,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:06,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:30:06,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:30:06,045 INFO L87 Difference]: Start difference. First operand 535 states and 747 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:09,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:09,646 INFO L93 Difference]: Finished difference Result 1177 states and 1683 transitions. [2022-11-18 20:30:09,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:30:09,646 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-11-18 20:30:09,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:09,649 INFO L225 Difference]: With dead ends: 1177 [2022-11-18 20:30:09,649 INFO L226 Difference]: Without dead ends: 1049 [2022-11-18 20:30:09,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:30:09,650 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1110 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:09,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1110 Valid, 1156 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:30:09,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2022-11-18 20:30:11,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 661. [2022-11-18 20:30:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 660 states have (on average 1.412121212121212) internal successors, (932), 660 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:11,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 932 transitions. [2022-11-18 20:30:11,924 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 932 transitions. Word has length 116 [2022-11-18 20:30:11,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:11,924 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 932 transitions. [2022-11-18 20:30:11,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:11,924 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 932 transitions. [2022-11-18 20:30:11,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-18 20:30:11,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:11,926 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] [2022-11-18 20:30:11,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-11-18 20:30:11,926 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:30:11,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash 2067568748, now seen corresponding path program 1 times [2022-11-18 20:30:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:11,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691221183] [2022-11-18 20:30:11,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:11,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:30:12,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:12,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691221183] [2022-11-18 20:30:12,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691221183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:12,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:12,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:30:12,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426409601] [2022-11-18 20:30:12,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:12,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:30:12,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:12,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:30:12,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:30:12,171 INFO L87 Difference]: Start difference. First operand 661 states and 932 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:14,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:14,224 INFO L93 Difference]: Finished difference Result 1232 states and 1767 transitions. [2022-11-18 20:30:14,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:30:14,224 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-11-18 20:30:14,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:14,226 INFO L225 Difference]: With dead ends: 1232 [2022-11-18 20:30:14,226 INFO L226 Difference]: Without dead ends: 663 [2022-11-18 20:30:14,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:30:14,227 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 536 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:14,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 547 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:30:14,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2022-11-18 20:30:16,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 661. [2022-11-18 20:30:16,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 660 states have (on average 1.4045454545454545) internal successors, (927), 660 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 927 transitions. [2022-11-18 20:30:16,380 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 927 transitions. Word has length 116 [2022-11-18 20:30:16,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:16,380 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 927 transitions. [2022-11-18 20:30:16,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:16,380 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 927 transitions. [2022-11-18 20:30:16,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-18 20:30:16,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:16,381 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] [2022-11-18 20:30:16,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-11-18 20:30:16,382 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:30:16,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:16,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1298275755, now seen corresponding path program 1 times [2022-11-18 20:30:16,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:16,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276038840] [2022-11-18 20:30:16,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:16,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:30:16,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:16,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276038840] [2022-11-18 20:30:16,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276038840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:16,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:16,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:30:16,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504713609] [2022-11-18 20:30:16,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:16,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:30:16,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:16,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:30:16,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:30:16,459 INFO L87 Difference]: Start difference. First operand 661 states and 927 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:20,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:20,504 INFO L93 Difference]: Finished difference Result 1741 states and 2488 transitions. [2022-11-18 20:30:20,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:30:20,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-11-18 20:30:20,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:20,507 INFO L225 Difference]: With dead ends: 1741 [2022-11-18 20:30:20,508 INFO L226 Difference]: Without dead ends: 1172 [2022-11-18 20:30:20,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:30:20,509 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 82 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:20,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 449 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:30:20,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-11-18 20:30:24,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1170. [2022-11-18 20:30:24,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1169 states have (on average 1.4029084687767321) internal successors, (1640), 1169 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1640 transitions. [2022-11-18 20:30:24,261 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1640 transitions. Word has length 116 [2022-11-18 20:30:24,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:24,261 INFO L495 AbstractCegarLoop]: Abstraction has 1170 states and 1640 transitions. [2022-11-18 20:30:24,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:24,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1640 transitions. [2022-11-18 20:30:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-18 20:30:24,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:24,263 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] [2022-11-18 20:30:24,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-11-18 20:30:24,264 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:30:24,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:24,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1451686365, now seen corresponding path program 1 times [2022-11-18 20:30:24,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:24,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918506561] [2022-11-18 20:30:24,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:24,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:30:24,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:24,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918506561] [2022-11-18 20:30:24,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918506561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:24,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:24,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:30:24,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264590873] [2022-11-18 20:30:24,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:24,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:30:24,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:24,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:30:24,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:30:24,452 INFO L87 Difference]: Start difference. First operand 1170 states and 1640 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:33,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:33,601 INFO L93 Difference]: Finished difference Result 2377 states and 3366 transitions. [2022-11-18 20:30:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:30:33,602 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-11-18 20:30:33,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:33,605 INFO L225 Difference]: With dead ends: 2377 [2022-11-18 20:30:33,606 INFO L226 Difference]: Without dead ends: 2136 [2022-11-18 20:30:33,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:30:33,607 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 1026 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 1195 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:33,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 1195 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:30:33,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2136 states. [2022-11-18 20:30:38,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2136 to 1409. [2022-11-18 20:30:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1408 states have (on average 1.4076704545454546) internal successors, (1982), 1408 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:38,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1982 transitions. [2022-11-18 20:30:38,461 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1982 transitions. Word has length 116 [2022-11-18 20:30:38,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:38,462 INFO L495 AbstractCegarLoop]: Abstraction has 1409 states and 1982 transitions. [2022-11-18 20:30:38,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:38,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1982 transitions. [2022-11-18 20:30:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-18 20:30:38,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:38,463 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] [2022-11-18 20:30:38,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-11-18 20:30:38,464 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:30:38,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:38,464 INFO L85 PathProgramCache]: Analyzing trace with hash -871511505, now seen corresponding path program 1 times [2022-11-18 20:30:38,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:38,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748644835] [2022-11-18 20:30:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:38,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:30:38,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:38,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748644835] [2022-11-18 20:30:38,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748644835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:38,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:38,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:30:38,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576358056] [2022-11-18 20:30:38,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:38,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:30:38,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:38,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:30:38,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:30:38,661 INFO L87 Difference]: Start difference. First operand 1409 states and 1982 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:47,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:47,497 INFO L93 Difference]: Finished difference Result 2616 states and 3708 transitions. [2022-11-18 20:30:47,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:30:47,498 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-11-18 20:30:47,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:47,500 INFO L225 Difference]: With dead ends: 2616 [2022-11-18 20:30:47,500 INFO L226 Difference]: Without dead ends: 2375 [2022-11-18 20:30:47,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:30:47,501 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 966 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 966 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:47,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [966 Valid, 1326 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:30:47,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2022-11-18 20:30:52,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 1648. [2022-11-18 20:30:52,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1647 states have (on average 1.4110503946569521) internal successors, (2324), 1647 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2324 transitions. [2022-11-18 20:30:52,874 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2324 transitions. Word has length 116 [2022-11-18 20:30:52,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:52,875 INFO L495 AbstractCegarLoop]: Abstraction has 1648 states and 2324 transitions. [2022-11-18 20:30:52,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:52,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2324 transitions. [2022-11-18 20:30:52,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-18 20:30:52,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:52,877 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] [2022-11-18 20:30:52,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-11-18 20:30:52,877 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:30:52,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:52,878 INFO L85 PathProgramCache]: Analyzing trace with hash -389045736, now seen corresponding path program 1 times [2022-11-18 20:30:52,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:52,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668230901] [2022-11-18 20:30:52,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:52,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:30:53,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:53,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668230901] [2022-11-18 20:30:53,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668230901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:53,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:53,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:30:53,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070118295] [2022-11-18 20:30:53,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:53,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:30:53,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:53,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:30:53,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:30:53,023 INFO L87 Difference]: Start difference. First operand 1648 states and 2324 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:31:01,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:31:01,585 INFO L93 Difference]: Finished difference Result 4123 states and 5839 transitions. [2022-11-18 20:31:01,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:31:01,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2022-11-18 20:31:01,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:31:01,588 INFO L225 Difference]: With dead ends: 4123 [2022-11-18 20:31:01,588 INFO L226 Difference]: Without dead ends: 2567 [2022-11-18 20:31:01,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:31:01,590 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 95 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:31:01,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:31:01,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2022-11-18 20:31:09,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2461. [2022-11-18 20:31:09,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2461 states, 2460 states have (on average 1.4048780487804877) internal successors, (3456), 2460 states have internal predecessors, (3456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:31:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2461 states and 3456 transitions. [2022-11-18 20:31:09,637 INFO L78 Accepts]: Start accepts. Automaton has 2461 states and 3456 transitions. Word has length 117 [2022-11-18 20:31:09,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:31:09,638 INFO L495 AbstractCegarLoop]: Abstraction has 2461 states and 3456 transitions. [2022-11-18 20:31:09,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:31:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 3456 transitions. [2022-11-18 20:31:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-18 20:31:09,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:31:09,639 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] [2022-11-18 20:31:09,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-11-18 20:31:09,639 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:31:09,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:09,640 INFO L85 PathProgramCache]: Analyzing trace with hash 966003247, now seen corresponding path program 1 times [2022-11-18 20:31:09,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:09,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821611234] [2022-11-18 20:31:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:09,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:31:09,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:31:09,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821611234] [2022-11-18 20:31:09,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821611234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:31:09,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:31:09,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:31:09,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875061263] [2022-11-18 20:31:09,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:31:09,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:31:09,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:31:09,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:31:09,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:31:09,791 INFO L87 Difference]: Start difference. First operand 2461 states and 3456 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:31:27,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:31:27,225 INFO L93 Difference]: Finished difference Result 7043 states and 9899 transitions. [2022-11-18 20:31:27,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:31:27,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-11-18 20:31:27,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:31:27,231 INFO L225 Difference]: With dead ends: 7043 [2022-11-18 20:31:27,231 INFO L226 Difference]: Without dead ends: 4674 [2022-11-18 20:31:27,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:31:27,235 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 88 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:31:27,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:31:27,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4674 states. [2022-11-18 20:31:42,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4674 to 4516. [2022-11-18 20:31:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4516 states, 4515 states have (on average 1.3966777408637874) internal successors, (6306), 4515 states have internal predecessors, (6306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:31:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 6306 transitions. [2022-11-18 20:31:42,436 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 6306 transitions. Word has length 118 [2022-11-18 20:31:42,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:31:42,437 INFO L495 AbstractCegarLoop]: Abstraction has 4516 states and 6306 transitions. [2022-11-18 20:31:42,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:31:42,437 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 6306 transitions. [2022-11-18 20:31:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-18 20:31:42,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:31:42,439 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] [2022-11-18 20:31:42,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-11-18 20:31:42,439 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:31:42,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:42,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1314946245, now seen corresponding path program 1 times [2022-11-18 20:31:42,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:42,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968760617] [2022-11-18 20:31:42,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:42,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:42,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:31:42,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:31:42,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968760617] [2022-11-18 20:31:42,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968760617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:31:42,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:31:42,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:31:42,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294703107] [2022-11-18 20:31:42,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:31:42,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:31:42,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:31:42,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:31:42,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:31:42,543 INFO L87 Difference]: Start difference. First operand 4516 states and 6306 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:32:10,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:32:10,286 INFO L93 Difference]: Finished difference Result 13052 states and 18176 transitions. [2022-11-18 20:32:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:32:10,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-11-18 20:32:10,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:32:10,295 INFO L225 Difference]: With dead ends: 13052 [2022-11-18 20:32:10,295 INFO L226 Difference]: Without dead ends: 8628 [2022-11-18 20:32:10,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:32:10,301 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 81 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:32:10,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:32:10,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8628 states. [2022-11-18 20:32:37,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8628 to 8314. [2022-11-18 20:32:37,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8314 states, 8313 states have (on average 1.3832551425478166) internal successors, (11499), 8313 states have internal predecessors, (11499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:32:37,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8314 states to 8314 states and 11499 transitions. [2022-11-18 20:32:37,906 INFO L78 Accepts]: Start accepts. Automaton has 8314 states and 11499 transitions. Word has length 119 [2022-11-18 20:32:37,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:32:37,906 INFO L495 AbstractCegarLoop]: Abstraction has 8314 states and 11499 transitions. [2022-11-18 20:32:37,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:32:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand 8314 states and 11499 transitions. [2022-11-18 20:32:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-18 20:32:37,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:32:37,907 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] [2022-11-18 20:32:37,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-11-18 20:32:37,907 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:32:37,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:32:37,908 INFO L85 PathProgramCache]: Analyzing trace with hash -590316034, now seen corresponding path program 1 times [2022-11-18 20:32:37,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:32:37,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499321583] [2022-11-18 20:32:37,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:37,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:32:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:32:38,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:38,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499321583] [2022-11-18 20:32:38,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499321583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:32:38,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:32:38,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:32:38,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898888314] [2022-11-18 20:32:38,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:32:38,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:32:38,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:38,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:32:38,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:32:38,011 INFO L87 Difference]: Start difference. First operand 8314 states and 11499 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:33:33,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:33,542 INFO L93 Difference]: Finished difference Result 24134 states and 33209 transitions. [2022-11-18 20:33:33,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:33:33,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-11-18 20:33:33,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:33,566 INFO L225 Difference]: With dead ends: 24134 [2022-11-18 20:33:33,566 INFO L226 Difference]: Without dead ends: 15912 [2022-11-18 20:33:33,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:33:33,574 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 74 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:33,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 417 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:33:33,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15912 states. [2022-11-18 20:34:24,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15912 to 15286. [2022-11-18 20:34:24,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15286 states, 15285 states have (on average 1.3654563297350344) internal successors, (20871), 15285 states have internal predecessors, (20871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:34:24,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15286 states to 15286 states and 20871 transitions. [2022-11-18 20:34:24,174 INFO L78 Accepts]: Start accepts. Automaton has 15286 states and 20871 transitions. Word has length 120 [2022-11-18 20:34:24,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:34:24,174 INFO L495 AbstractCegarLoop]: Abstraction has 15286 states and 20871 transitions. [2022-11-18 20:34:24,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:34:24,174 INFO L276 IsEmpty]: Start isEmpty. Operand 15286 states and 20871 transitions. [2022-11-18 20:34:24,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-18 20:34:24,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:34:24,175 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] [2022-11-18 20:34:24,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-11-18 20:34:24,175 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:34:24,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:34:24,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1670009354, now seen corresponding path program 1 times [2022-11-18 20:34:24,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:34:24,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041507248] [2022-11-18 20:34:24,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:34:24,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:34:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:34:24,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:34:24,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041507248] [2022-11-18 20:34:24,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041507248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:34:24,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:34:24,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:34:24,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194231235] [2022-11-18 20:34:24,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:34:24,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:34:24,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:34:24,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:34:24,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:34:24,282 INFO L87 Difference]: Start difference. First operand 15286 states and 20871 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:35:55,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:35:55,325 INFO L93 Difference]: Finished difference Result 44426 states and 60233 transitions. [2022-11-18 20:35:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:35:55,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-11-18 20:35:55,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:35:55,366 INFO L225 Difference]: With dead ends: 44426 [2022-11-18 20:35:55,366 INFO L226 Difference]: Without dead ends: 29232 [2022-11-18 20:35:55,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:35:55,378 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 64 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:35:55,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 415 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:35:55,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29232 states. [2022-11-18 20:37:09,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29232 to 27982. [2022-11-18 20:37:09,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27982 states, 27981 states have (on average 1.3433043851184732) internal successors, (37587), 27981 states have internal predecessors, (37587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27982 states to 27982 states and 37587 transitions. [2022-11-18 20:37:09,777 INFO L78 Accepts]: Start accepts. Automaton has 27982 states and 37587 transitions. Word has length 121 [2022-11-18 20:37:09,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:37:09,777 INFO L495 AbstractCegarLoop]: Abstraction has 27982 states and 37587 transitions. [2022-11-18 20:37:09,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand 27982 states and 37587 transitions. [2022-11-18 20:37:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-18 20:37:09,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:37:09,778 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] [2022-11-18 20:37:09,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-11-18 20:37:09,778 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 20:37:09,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:09,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1801378661, now seen corresponding path program 1 times [2022-11-18 20:37:09,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:09,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512685743] [2022-11-18 20:37:09,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:09,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:09,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:09,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512685743] [2022-11-18 20:37:09,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512685743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:09,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:09,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:37:09,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147425229] [2022-11-18 20:37:09,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:09,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:37:09,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:09,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:37:09,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:37:09,983 INFO L87 Difference]: Start difference. First operand 27982 states and 37587 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:37,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:37,348 INFO L93 Difference]: Finished difference Result 43390 states and 58099 transitions. [2022-11-18 20:39:37,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:39:37,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-11-18 20:39:37,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:37,404 INFO L225 Difference]: With dead ends: 43390 [2022-11-18 20:39:37,405 INFO L226 Difference]: Without dead ends: 43388 [2022-11-18 20:39:37,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:39:37,414 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 311 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:37,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 982 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:39:37,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43388 states.