./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a --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 7ee0c03ea7571fbf8ad45188f5238b16bf8ad4a8ddf56fc7d5d394e59af71d1f --- 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-b5237d8 [2022-11-21 16:57:58,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:57:58,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:57:58,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:57:58,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:57:58,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:57:58,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:57:58,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:57:58,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:57:58,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:57:58,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:57:58,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:57:58,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:57:58,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:57:58,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:57:58,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:57:58,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:57:58,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:57:58,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:57:58,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:57:58,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:57:58,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:57:58,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:57:58,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:57:58,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:57:58,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:57:58,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:57:58,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:57:58,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:57:58,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:57:58,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:57:58,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:57:58,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:57:58,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:57:58,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:57:58,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:57:58,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:57:58,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:57:58,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:57:58,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:57:58,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:57:58,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 16:57:58,505 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:57:58,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:57:58,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:57:58,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:57:58,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:57:58,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:57:58,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:57:58,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:57:58,509 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:57:58,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:57:58,510 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:57:58,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:57:58,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:57:58,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:57:58,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:57:58,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:57:58,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:57:58,512 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:57:58,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:57:58,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:57:58,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:57:58,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:57:58,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:57:58,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:57:58,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:57:58,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:57:58,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:57:58,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:57:58,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:57:58,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:57:58,515 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:57:58,515 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:57:58,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:57:58,516 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_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ee0c03ea7571fbf8ad45188f5238b16bf8ad4a8ddf56fc7d5d394e59af71d1f [2022-11-21 16:57:58,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:57:58,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:57:58,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:57:58,916 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:57:58,916 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:57:58,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-11-21 16:58:01,963 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:58:02,423 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:58:02,423 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-11-21 16:58:02,451 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/data/2884ae4bf/a8f76f8929e645938896d699874ff992/FLAG4727b096a [2022-11-21 16:58:02,470 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/data/2884ae4bf/a8f76f8929e645938896d699874ff992 [2022-11-21 16:58:02,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:58:02,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:58:02,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:58:02,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:58:02,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:58:02,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:58:02" (1/1) ... [2022-11-21 16:58:02,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a04dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:02, skipping insertion in model container [2022-11-21 16:58:02,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:58:02" (1/1) ... [2022-11-21 16:58:02,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:58:02,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:58:03,368 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37768,37781] [2022-11-21 16:58:03,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53783,53796] [2022-11-21 16:58:03,489 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61800,61813] [2022-11-21 16:58:03,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65782,65795] [2022-11-21 16:58:03,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69649,69662] [2022-11-21 16:58:03,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86712,86725] [2022-11-21 16:58:03,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94766,94779] [2022-11-21 16:58:03,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98785,98798] [2022-11-21 16:58:03,652 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102689,102702] [2022-11-21 16:58:03,668 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[107203,107216] [2022-11-21 16:58:03,681 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[111131,111144] [2022-11-21 16:58:03,695 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[115150,115163] [2022-11-21 16:58:03,709 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[119054,119067] [2022-11-21 16:58:03,722 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[123189,123202] [2022-11-21 16:58:03,736 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127260,127273] [2022-11-21 16:58:03,750 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[131260,131273] [2022-11-21 16:58:03,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:58:03,829 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:58:04,052 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37768,37781] [2022-11-21 16:58:04,102 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53783,53796] [2022-11-21 16:58:04,131 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61800,61813] [2022-11-21 16:58:04,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65782,65795] [2022-11-21 16:58:04,165 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69649,69662] [2022-11-21 16:58:04,213 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86712,86725] [2022-11-21 16:58:04,235 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94766,94779] [2022-11-21 16:58:04,246 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98785,98798] [2022-11-21 16:58:04,258 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102689,102702] [2022-11-21 16:58:04,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[107203,107216] [2022-11-21 16:58:04,283 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[111131,111144] [2022-11-21 16:58:04,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[115150,115163] [2022-11-21 16:58:04,306 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[119054,119067] [2022-11-21 16:58:04,321 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[123189,123202] [2022-11-21 16:58:04,333 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127260,127273] [2022-11-21 16:58:04,375 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[131260,131273] [2022-11-21 16:58:04,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:58:04,476 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:58:04,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04 WrapperNode [2022-11-21 16:58:04,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:58:04,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:58:04,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:58:04,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:58:04,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (1/1) ... [2022-11-21 16:58:04,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (1/1) ... [2022-11-21 16:58:04,669 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5851 [2022-11-21 16:58:04,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:58:04,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:58:04,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:58:04,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:58:04,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (1/1) ... [2022-11-21 16:58:04,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (1/1) ... [2022-11-21 16:58:04,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (1/1) ... [2022-11-21 16:58:04,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (1/1) ... [2022-11-21 16:58:04,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (1/1) ... [2022-11-21 16:58:04,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (1/1) ... [2022-11-21 16:58:04,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (1/1) ... [2022-11-21 16:58:04,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (1/1) ... [2022-11-21 16:58:04,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:58:04,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:58:04,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:58:04,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:58:04,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (1/1) ... [2022-11-21 16:58:04,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:58:04,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:58:04,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:58:04,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39e149-dcba-4e79-b476-71a772a7a2bc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:58:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:58:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:58:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:58:04,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:58:05,271 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:58:05,274 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:58:08,390 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:58:08,407 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:58:08,407 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:58:08,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:58:08 BoogieIcfgContainer [2022-11-21 16:58:08,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:58:08,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:58:08,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:58:08,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:58:08,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:58:02" (1/3) ... [2022-11-21 16:58:08,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a049aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:58:08, skipping insertion in model container [2022-11-21 16:58:08,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:04" (2/3) ... [2022-11-21 16:58:08,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a049aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:58:08, skipping insertion in model container [2022-11-21 16:58:08,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:58:08" (3/3) ... [2022-11-21 16:58:08,420 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-11-21 16:58:08,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:58:08,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-21 16:58:08,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:58:08,546 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;@3332f5c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:58:08,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-21 16:58:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 1193 states, 1176 states have (on average 1.7704081632653061) internal successors, (2082), 1192 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-21 16:58:08,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:08,578 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] [2022-11-21 16:58:08,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:08,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:08,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1494001524, now seen corresponding path program 1 times [2022-11-21 16:58:08,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:08,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864019860] [2022-11-21 16:58:08,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:08,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:09,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:09,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864019860] [2022-11-21 16:58:09,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864019860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:09,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:09,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:58:09,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084734507] [2022-11-21 16:58:09,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:09,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:58:09,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:09,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:58:09,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:58:09,326 INFO L87 Difference]: Start difference. First operand has 1193 states, 1176 states have (on average 1.7704081632653061) internal successors, (2082), 1192 states have internal predecessors, (2082), 0 states have call successors, (0), 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 14.6) 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) [2022-11-21 16:58:11,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:11,022 INFO L93 Difference]: Finished difference Result 1974 states and 3328 transitions. [2022-11-21 16:58:11,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:58:11,026 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 [2022-11-21 16:58:11,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:11,065 INFO L225 Difference]: With dead ends: 1974 [2022-11-21 16:58:11,068 INFO L226 Difference]: Without dead ends: 1363 [2022-11-21 16:58:11,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:58:11,084 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 6040 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6040 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:11,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6040 Valid, 1303 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-21 16:58:11,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2022-11-21 16:58:11,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1247. [2022-11-21 16:58:11,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1231 states have (on average 1.3233143785540211) internal successors, (1629), 1246 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1629 transitions. [2022-11-21 16:58:11,253 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1629 transitions. Word has length 73 [2022-11-21 16:58:11,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:11,254 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1629 transitions. [2022-11-21 16:58:11,254 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) [2022-11-21 16:58:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1629 transitions. [2022-11-21 16:58:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-21 16:58:11,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:11,260 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] [2022-11-21 16:58:11,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:58:11,262 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:11,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:11,262 INFO L85 PathProgramCache]: Analyzing trace with hash -2060458333, now seen corresponding path program 1 times [2022-11-21 16:58:11,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:11,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675408372] [2022-11-21 16:58:11,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:11,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:11,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:11,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675408372] [2022-11-21 16:58:11,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675408372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:11,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:11,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:58:11,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122256886] [2022-11-21 16:58:11,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:11,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:58:11,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:11,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:58:11,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:58:11,597 INFO L87 Difference]: Start difference. First operand 1247 states and 1629 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) [2022-11-21 16:58:12,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:12,444 INFO L93 Difference]: Finished difference Result 1712 states and 2253 transitions. [2022-11-21 16:58:12,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:58:12,446 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 [2022-11-21 16:58:12,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:12,450 INFO L225 Difference]: With dead ends: 1712 [2022-11-21 16:58:12,450 INFO L226 Difference]: Without dead ends: 1183 [2022-11-21 16:58:12,453 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 [2022-11-21 16:58:12,455 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 3284 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3284 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:12,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3284 Valid, 563 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 16:58:12,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-11-21 16:58:12,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2022-11-21 16:58:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1167 states have (on average 1.332476435304199) internal successors, (1555), 1182 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1555 transitions. [2022-11-21 16:58:12,528 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1555 transitions. Word has length 73 [2022-11-21 16:58:12,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:12,529 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1555 transitions. [2022-11-21 16:58:12,529 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) [2022-11-21 16:58:12,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1555 transitions. [2022-11-21 16:58:12,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-21 16:58:12,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:12,532 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] [2022-11-21 16:58:12,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:58:12,532 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:12,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:12,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1618618520, now seen corresponding path program 1 times [2022-11-21 16:58:12,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:12,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243697107] [2022-11-21 16:58:12,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:12,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:12,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:12,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:12,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243697107] [2022-11-21 16:58:12,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243697107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:12,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:12,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:58:12,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412781688] [2022-11-21 16:58:12,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:12,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:58:12,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:12,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:58:12,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:58:12,757 INFO L87 Difference]: Start difference. First operand 1183 states and 1555 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) [2022-11-21 16:58:13,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:13,344 INFO L93 Difference]: Finished difference Result 1395 states and 1829 transitions. [2022-11-21 16:58:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:58:13,345 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 [2022-11-21 16:58:13,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:13,351 INFO L225 Difference]: With dead ends: 1395 [2022-11-21 16:58:13,351 INFO L226 Difference]: Without dead ends: 802 [2022-11-21 16:58:13,353 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 [2022-11-21 16:58:13,356 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 2148 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:13,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2148 Valid, 417 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 16:58:13,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2022-11-21 16:58:13,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 802. [2022-11-21 16:58:13,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 786 states have (on average 1.340966921119593) internal successors, (1054), 801 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1054 transitions. [2022-11-21 16:58:13,423 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1054 transitions. Word has length 73 [2022-11-21 16:58:13,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:13,424 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 1054 transitions. [2022-11-21 16:58:13,424 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) [2022-11-21 16:58:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1054 transitions. [2022-11-21 16:58:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-21 16:58:13,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:13,429 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] [2022-11-21 16:58:13,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:58:13,429 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:13,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:13,430 INFO L85 PathProgramCache]: Analyzing trace with hash -700009990, now seen corresponding path program 1 times [2022-11-21 16:58:13,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:13,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026621666] [2022-11-21 16:58:13,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:13,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:13,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:13,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:13,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026621666] [2022-11-21 16:58:13,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026621666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:13,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:13,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:58:13,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585903333] [2022-11-21 16:58:13,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:13,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:58:13,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:13,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:58:13,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:58:13,683 INFO L87 Difference]: Start difference. First operand 802 states and 1054 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) [2022-11-21 16:58:14,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:14,196 INFO L93 Difference]: Finished difference Result 1126 states and 1489 transitions. [2022-11-21 16:58:14,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:58:14,197 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 [2022-11-21 16:58:14,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:14,200 INFO L225 Difference]: With dead ends: 1126 [2022-11-21 16:58:14,201 INFO L226 Difference]: Without dead ends: 691 [2022-11-21 16:58:14,202 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 [2022-11-21 16:58:14,203 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 1854 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:14,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 368 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-21 16:58:14,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2022-11-21 16:58:14,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 691. [2022-11-21 16:58:14,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 675 states have (on average 1.3555555555555556) internal successors, (915), 690 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:14,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 915 transitions. [2022-11-21 16:58:14,250 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 915 transitions. Word has length 75 [2022-11-21 16:58:14,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:14,250 INFO L495 AbstractCegarLoop]: Abstraction has 691 states and 915 transitions. [2022-11-21 16:58:14,251 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) [2022-11-21 16:58:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 915 transitions. [2022-11-21 16:58:14,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-21 16:58:14,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:14,253 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] [2022-11-21 16:58:14,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:58:14,253 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:14,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:14,254 INFO L85 PathProgramCache]: Analyzing trace with hash 137435073, now seen corresponding path program 1 times [2022-11-21 16:58:14,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:14,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496489095] [2022-11-21 16:58:14,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:14,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:14,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:14,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496489095] [2022-11-21 16:58:14,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496489095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:14,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:14,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:58:14,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532794146] [2022-11-21 16:58:14,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:14,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:58:14,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:14,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:58:14,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:58:14,502 INFO L87 Difference]: Start difference. First operand 691 states and 915 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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) [2022-11-21 16:58:14,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:14,879 INFO L93 Difference]: Finished difference Result 966 states and 1281 transitions. [2022-11-21 16:58:14,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:58:14,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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 [2022-11-21 16:58:14,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:14,882 INFO L225 Difference]: With dead ends: 966 [2022-11-21 16:58:14,882 INFO L226 Difference]: Without dead ends: 587 [2022-11-21 16:58:14,883 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 [2022-11-21 16:58:14,884 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 1543 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:14,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 334 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:58:14,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2022-11-21 16:58:14,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2022-11-21 16:58:14,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.362521891418564) internal successors, (778), 586 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 778 transitions. [2022-11-21 16:58:14,952 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 778 transitions. Word has length 77 [2022-11-21 16:58:14,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:14,953 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 778 transitions. [2022-11-21 16:58:14,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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) [2022-11-21 16:58:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 778 transitions. [2022-11-21 16:58:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-21 16:58:14,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:14,955 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] [2022-11-21 16:58:14,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:58:14,955 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:14,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:14,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1748744325, now seen corresponding path program 1 times [2022-11-21 16:58:14,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:14,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812278462] [2022-11-21 16:58:14,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:14,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:15,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:15,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:15,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812278462] [2022-11-21 16:58:15,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812278462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:15,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:15,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:58:15,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072495052] [2022-11-21 16:58:15,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:15,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:58:15,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:15,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:58:15,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:58:15,590 INFO L87 Difference]: Start difference. First operand 587 states and 778 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 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) [2022-11-21 16:58:17,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:17,009 INFO L93 Difference]: Finished difference Result 1281 states and 1736 transitions. [2022-11-21 16:58:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 16:58:17,010 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 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 [2022-11-21 16:58:17,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:17,014 INFO L225 Difference]: With dead ends: 1281 [2022-11-21 16:58:17,014 INFO L226 Difference]: Without dead ends: 1009 [2022-11-21 16:58:17,015 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 [2022-11-21 16:58:17,016 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 3773 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 1530 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3773 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:17,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3773 Valid, 2124 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1530 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-21 16:58:17,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2022-11-21 16:58:17,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 587. [2022-11-21 16:58:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3590192644483363) internal successors, (776), 586 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 776 transitions. [2022-11-21 16:58:17,078 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 776 transitions. Word has length 79 [2022-11-21 16:58:17,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:17,079 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 776 transitions. [2022-11-21 16:58:17,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 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) [2022-11-21 16:58:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 776 transitions. [2022-11-21 16:58:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-21 16:58:17,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:17,081 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] [2022-11-21 16:58:17,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:58:17,081 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:17,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:17,082 INFO L85 PathProgramCache]: Analyzing trace with hash -945208837, now seen corresponding path program 1 times [2022-11-21 16:58:17,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:17,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598848141] [2022-11-21 16:58:17,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:17,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:17,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:17,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:17,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598848141] [2022-11-21 16:58:17,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598848141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:17,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:17,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:58:17,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204209468] [2022-11-21 16:58:17,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:17,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:58:17,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:17,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:58:17,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:58:17,474 INFO L87 Difference]: Start difference. First operand 587 states and 776 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 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) [2022-11-21 16:58:18,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:18,357 INFO L93 Difference]: Finished difference Result 1128 states and 1472 transitions. [2022-11-21 16:58:18,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:58:18,357 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 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 [2022-11-21 16:58:18,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:18,362 INFO L225 Difference]: With dead ends: 1128 [2022-11-21 16:58:18,362 INFO L226 Difference]: Without dead ends: 836 [2022-11-21 16:58:18,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-11-21 16:58:18,364 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 2866 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2866 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:18,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2866 Valid, 1030 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-21 16:58:18,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2022-11-21 16:58:18,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 587. [2022-11-21 16:58:18,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3572679509632224) internal successors, (775), 586 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 775 transitions. [2022-11-21 16:58:18,445 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 775 transitions. Word has length 79 [2022-11-21 16:58:18,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:18,446 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 775 transitions. [2022-11-21 16:58:18,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 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) [2022-11-21 16:58:18,446 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 775 transitions. [2022-11-21 16:58:18,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-21 16:58:18,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:18,448 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] [2022-11-21 16:58:18,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:58:18,448 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:18,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:18,449 INFO L85 PathProgramCache]: Analyzing trace with hash -883245509, now seen corresponding path program 1 times [2022-11-21 16:58:18,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:18,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253043213] [2022-11-21 16:58:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:18,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:18,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:18,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253043213] [2022-11-21 16:58:18,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253043213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:18,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:18,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:18,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899988268] [2022-11-21 16:58:18,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:18,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:18,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:18,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:18,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:18,879 INFO L87 Difference]: Start difference. First operand 587 states and 775 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) [2022-11-21 16:58:20,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:20,314 INFO L93 Difference]: Finished difference Result 1355 states and 1861 transitions. [2022-11-21 16:58:20,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:20,315 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 [2022-11-21 16:58:20,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:20,319 INFO L225 Difference]: With dead ends: 1355 [2022-11-21 16:58:20,319 INFO L226 Difference]: Without dead ends: 1198 [2022-11-21 16:58:20,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-21 16:58:20,321 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 3062 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:20,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 1795 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:58:20,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2022-11-21 16:58:20,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 587. [2022-11-21 16:58:20,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3555166374781087) internal successors, (774), 586 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:20,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 774 transitions. [2022-11-21 16:58:20,413 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 774 transitions. Word has length 79 [2022-11-21 16:58:20,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:20,413 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 774 transitions. [2022-11-21 16:58:20,414 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) [2022-11-21 16:58:20,414 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 774 transitions. [2022-11-21 16:58:20,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-21 16:58:20,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:20,415 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] [2022-11-21 16:58:20,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:58:20,416 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:20,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:20,416 INFO L85 PathProgramCache]: Analyzing trace with hash -876086789, now seen corresponding path program 1 times [2022-11-21 16:58:20,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:20,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253063452] [2022-11-21 16:58:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:20,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:20,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:20,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253063452] [2022-11-21 16:58:20,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253063452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:20,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:20,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:20,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499734446] [2022-11-21 16:58:20,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:20,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:20,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:20,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:20,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:20,787 INFO L87 Difference]: Start difference. First operand 587 states and 774 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) [2022-11-21 16:58:21,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:21,731 INFO L93 Difference]: Finished difference Result 987 states and 1348 transitions. [2022-11-21 16:58:21,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:21,732 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 [2022-11-21 16:58:21,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:21,735 INFO L225 Difference]: With dead ends: 987 [2022-11-21 16:58:21,735 INFO L226 Difference]: Without dead ends: 787 [2022-11-21 16:58:21,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:21,737 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 2106 mSDsluCounter, 994 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2106 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:21,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2106 Valid, 1313 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-21 16:58:21,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-11-21 16:58:21,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 587. [2022-11-21 16:58:21,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3537653239929948) internal successors, (773), 586 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:21,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 773 transitions. [2022-11-21 16:58:21,834 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 773 transitions. Word has length 79 [2022-11-21 16:58:21,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:21,834 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 773 transitions. [2022-11-21 16:58:21,835 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) [2022-11-21 16:58:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 773 transitions. [2022-11-21 16:58:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-21 16:58:21,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:21,836 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] [2022-11-21 16:58:21,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:58:21,837 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:21,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:21,838 INFO L85 PathProgramCache]: Analyzing trace with hash -178984548, now seen corresponding path program 1 times [2022-11-21 16:58:21,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:21,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500881073] [2022-11-21 16:58:21,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:21,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:22,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:22,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500881073] [2022-11-21 16:58:22,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500881073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:22,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:22,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:22,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877589109] [2022-11-21 16:58:22,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:22,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:22,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:22,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:22,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:22,219 INFO L87 Difference]: Start difference. First operand 587 states and 773 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) [2022-11-21 16:58:23,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:23,495 INFO L93 Difference]: Finished difference Result 1279 states and 1740 transitions. [2022-11-21 16:58:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:23,496 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 [2022-11-21 16:58:23,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:23,508 INFO L225 Difference]: With dead ends: 1279 [2022-11-21 16:58:23,509 INFO L226 Difference]: Without dead ends: 1148 [2022-11-21 16:58:23,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:23,511 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1683 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:23,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 1489 Invalid, 1105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:58:23,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-11-21 16:58:23,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 587. [2022-11-21 16:58:23,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3520140105078808) internal successors, (772), 586 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 772 transitions. [2022-11-21 16:58:23,663 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 772 transitions. Word has length 80 [2022-11-21 16:58:23,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:23,663 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 772 transitions. [2022-11-21 16:58:23,663 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) [2022-11-21 16:58:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 772 transitions. [2022-11-21 16:58:23,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-21 16:58:23,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:23,666 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] [2022-11-21 16:58:23,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:58:23,667 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:23,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:23,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1996016320, now seen corresponding path program 1 times [2022-11-21 16:58:23,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:23,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209056626] [2022-11-21 16:58:23,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:23,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:23,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:23,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209056626] [2022-11-21 16:58:23,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209056626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:23,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:23,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:23,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334161866] [2022-11-21 16:58:23,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:23,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:23,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:23,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:23,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:23,998 INFO L87 Difference]: Start difference. First operand 587 states and 772 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) [2022-11-21 16:58:25,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:25,336 INFO L93 Difference]: Finished difference Result 1154 states and 1550 transitions. [2022-11-21 16:58:25,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:25,337 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 [2022-11-21 16:58:25,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:25,342 INFO L225 Difference]: With dead ends: 1154 [2022-11-21 16:58:25,342 INFO L226 Difference]: Without dead ends: 1148 [2022-11-21 16:58:25,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:25,343 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1667 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:25,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1667 Valid, 1501 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:58:25,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-11-21 16:58:25,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 587. [2022-11-21 16:58:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3485113835376532) internal successors, (770), 586 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 770 transitions. [2022-11-21 16:58:25,466 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 770 transitions. Word has length 81 [2022-11-21 16:58:25,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:25,466 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 770 transitions. [2022-11-21 16:58:25,467 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) [2022-11-21 16:58:25,467 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 770 transitions. [2022-11-21 16:58:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-21 16:58:25,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:25,471 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] [2022-11-21 16:58:25,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:58:25,471 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:25,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:25,472 INFO L85 PathProgramCache]: Analyzing trace with hash -468566400, now seen corresponding path program 1 times [2022-11-21 16:58:25,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:25,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886412260] [2022-11-21 16:58:25,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:25,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:25,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:25,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886412260] [2022-11-21 16:58:25,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886412260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:25,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:25,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:25,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593577987] [2022-11-21 16:58:25,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:25,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:25,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:25,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:25,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:25,922 INFO L87 Difference]: Start difference. First operand 587 states and 770 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) [2022-11-21 16:58:27,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:27,543 INFO L93 Difference]: Finished difference Result 1375 states and 1878 transitions. [2022-11-21 16:58:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:27,544 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 [2022-11-21 16:58:27,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:27,549 INFO L225 Difference]: With dead ends: 1375 [2022-11-21 16:58:27,549 INFO L226 Difference]: Without dead ends: 1198 [2022-11-21 16:58:27,550 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 [2022-11-21 16:58:27,551 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 2477 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2477 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:27,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2477 Valid, 2214 Invalid, 1525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 16:58:27,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2022-11-21 16:58:27,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 587. [2022-11-21 16:58:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3450087565674256) internal successors, (768), 586 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 768 transitions. [2022-11-21 16:58:27,673 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 768 transitions. Word has length 81 [2022-11-21 16:58:27,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:27,673 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 768 transitions. [2022-11-21 16:58:27,673 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) [2022-11-21 16:58:27,674 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 768 transitions. [2022-11-21 16:58:27,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-21 16:58:27,675 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:27,675 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] [2022-11-21 16:58:27,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:58:27,676 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)] === [2022-11-21 16:58:27,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:27,676 INFO L85 PathProgramCache]: Analyzing trace with hash -583258688, now seen corresponding path program 1 times [2022-11-21 16:58:27,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:27,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347240914] [2022-11-21 16:58:27,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:27,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:28,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:28,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:28,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347240914] [2022-11-21 16:58:28,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347240914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:28,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:28,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:28,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913483178] [2022-11-21 16:58:28,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:28,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:28,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:28,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:28,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:28,003 INFO L87 Difference]: Start difference. First operand 587 states and 768 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) [2022-11-21 16:58:29,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:29,335 INFO L93 Difference]: Finished difference Result 1154 states and 1546 transitions. [2022-11-21 16:58:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:29,336 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 [2022-11-21 16:58:29,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:29,340 INFO L225 Difference]: With dead ends: 1154 [2022-11-21 16:58:29,340 INFO L226 Difference]: Without dead ends: 1148 [2022-11-21 16:58:29,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:29,342 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 3190 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3190 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:29,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3190 Valid, 1494 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:58:29,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-11-21 16:58:29,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 587. [2022-11-21 16:58:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.341506129597198) internal successors, (766), 586 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 766 transitions. [2022-11-21 16:58:29,458 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 766 transitions. Word has length 81 [2022-11-21 16:58:29,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:29,459 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 766 transitions. [2022-11-21 16:58:29,459 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) [2022-11-21 16:58:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 766 transitions. [2022-11-21 16:58:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-21 16:58:29,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:29,461 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] [2022-11-21 16:58:29,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:58:29,461 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:29,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:29,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1694349184, now seen corresponding path program 1 times [2022-11-21 16:58:29,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:29,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200953471] [2022-11-21 16:58:29,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:29,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:29,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:29,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200953471] [2022-11-21 16:58:29,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200953471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:29,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:29,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:29,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793241651] [2022-11-21 16:58:29,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:29,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:29,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:29,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:29,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:29,807 INFO L87 Difference]: Start difference. First operand 587 states and 766 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) [2022-11-21 16:58:31,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:31,137 INFO L93 Difference]: Finished difference Result 1282 states and 1733 transitions. [2022-11-21 16:58:31,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:31,138 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 [2022-11-21 16:58:31,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:31,141 INFO L225 Difference]: With dead ends: 1282 [2022-11-21 16:58:31,141 INFO L226 Difference]: Without dead ends: 1148 [2022-11-21 16:58:31,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:31,143 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 2417 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:31,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 1497 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:58:31,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-11-21 16:58:31,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 587. [2022-11-21 16:58:31,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.339754816112084) internal successors, (765), 586 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:31,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 765 transitions. [2022-11-21 16:58:31,249 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 765 transitions. Word has length 81 [2022-11-21 16:58:31,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:31,249 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 765 transitions. [2022-11-21 16:58:31,250 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) [2022-11-21 16:58:31,250 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 765 transitions. [2022-11-21 16:58:31,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-21 16:58:31,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:31,251 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] [2022-11-21 16:58:31,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 16:58:31,252 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:31,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:31,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1372385248, now seen corresponding path program 1 times [2022-11-21 16:58:31,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:31,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254487598] [2022-11-21 16:58:31,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:31,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:31,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:31,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254487598] [2022-11-21 16:58:31,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254487598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:31,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:31,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:31,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035041610] [2022-11-21 16:58:31,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:31,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:31,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:31,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:31,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:31,579 INFO L87 Difference]: Start difference. First operand 587 states and 765 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) [2022-11-21 16:58:32,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:32,986 INFO L93 Difference]: Finished difference Result 1364 states and 1859 transitions. [2022-11-21 16:58:32,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:32,987 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 [2022-11-21 16:58:32,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:33,014 INFO L225 Difference]: With dead ends: 1364 [2022-11-21 16:58:33,014 INFO L226 Difference]: Without dead ends: 1198 [2022-11-21 16:58:33,018 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 [2022-11-21 16:58:33,020 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 2180 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2180 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:33,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2180 Valid, 2096 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:58:33,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2022-11-21 16:58:33,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 587. [2022-11-21 16:58:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3380035026269703) internal successors, (764), 586 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 764 transitions. [2022-11-21 16:58:33,204 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 764 transitions. Word has length 81 [2022-11-21 16:58:33,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:33,205 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 764 transitions. [2022-11-21 16:58:33,205 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) [2022-11-21 16:58:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 764 transitions. [2022-11-21 16:58:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-21 16:58:33,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:33,208 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] [2022-11-21 16:58:33,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 16:58:33,208 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:33,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:33,209 INFO L85 PathProgramCache]: Analyzing trace with hash 845637120, now seen corresponding path program 1 times [2022-11-21 16:58:33,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:33,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537256700] [2022-11-21 16:58:33,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:33,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:33,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:33,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537256700] [2022-11-21 16:58:33,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537256700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:33,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:33,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:33,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571466564] [2022-11-21 16:58:33,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:33,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:33,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:33,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:33,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:33,555 INFO L87 Difference]: Start difference. First operand 587 states and 764 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) [2022-11-21 16:58:34,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:34,911 INFO L93 Difference]: Finished difference Result 1154 states and 1539 transitions. [2022-11-21 16:58:34,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:34,912 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 [2022-11-21 16:58:34,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:34,916 INFO L225 Difference]: With dead ends: 1154 [2022-11-21 16:58:34,916 INFO L226 Difference]: Without dead ends: 1148 [2022-11-21 16:58:34,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:34,917 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 2406 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:34,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 1498 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:58:34,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-11-21 16:58:35,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 587. [2022-11-21 16:58:35,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3362521891418564) internal successors, (763), 586 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:35,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 763 transitions. [2022-11-21 16:58:35,026 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 763 transitions. Word has length 81 [2022-11-21 16:58:35,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:35,026 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 763 transitions. [2022-11-21 16:58:35,026 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) [2022-11-21 16:58:35,027 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 763 transitions. [2022-11-21 16:58:35,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-21 16:58:35,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:35,029 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] [2022-11-21 16:58:35,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 16:58:35,029 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:35,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:35,030 INFO L85 PathProgramCache]: Analyzing trace with hash 962867702, now seen corresponding path program 1 times [2022-11-21 16:58:35,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:35,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186373246] [2022-11-21 16:58:35,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:35,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:35,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:35,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186373246] [2022-11-21 16:58:35,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186373246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:35,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:35,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:35,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744118976] [2022-11-21 16:58:35,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:35,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:35,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:35,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:35,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:35,383 INFO L87 Difference]: Start difference. First operand 587 states and 763 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) [2022-11-21 16:58:36,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:36,993 INFO L93 Difference]: Finished difference Result 1276 states and 1722 transitions. [2022-11-21 16:58:36,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:36,994 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 [2022-11-21 16:58:36,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:36,998 INFO L225 Difference]: With dead ends: 1276 [2022-11-21 16:58:36,998 INFO L226 Difference]: Without dead ends: 1147 [2022-11-21 16:58:37,003 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 [2022-11-21 16:58:37,004 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 2645 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 1338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:37,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2645 Valid, 1939 Invalid, 1338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:58:37,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-11-21 16:58:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-11-21 16:58:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3350877192982455) internal successors, (761), 585 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:37,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 761 transitions. [2022-11-21 16:58:37,181 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 761 transitions. Word has length 81 [2022-11-21 16:58:37,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:37,182 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 761 transitions. [2022-11-21 16:58:37,182 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) [2022-11-21 16:58:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 761 transitions. [2022-11-21 16:58:37,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-21 16:58:37,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:37,184 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] [2022-11-21 16:58:37,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 16:58:37,184 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:37,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:37,185 INFO L85 PathProgramCache]: Analyzing trace with hash 547042711, now seen corresponding path program 1 times [2022-11-21 16:58:37,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:37,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851979703] [2022-11-21 16:58:37,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:37,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:37,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:37,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:37,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851979703] [2022-11-21 16:58:37,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851979703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:37,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:37,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:37,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857615419] [2022-11-21 16:58:37,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:37,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:37,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:37,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:37,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:37,495 INFO L87 Difference]: Start difference. First operand 586 states and 761 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) [2022-11-21 16:58:38,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:38,812 INFO L93 Difference]: Finished difference Result 1281 states and 1726 transitions. [2022-11-21 16:58:38,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:38,812 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 [2022-11-21 16:58:38,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:38,816 INFO L225 Difference]: With dead ends: 1281 [2022-11-21 16:58:38,816 INFO L226 Difference]: Without dead ends: 1147 [2022-11-21 16:58:38,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:38,818 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1639 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:38,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 1504 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 16:58:38,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-11-21 16:58:38,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-11-21 16:58:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.331578947368421) internal successors, (759), 585 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 759 transitions. [2022-11-21 16:58:38,948 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 759 transitions. Word has length 82 [2022-11-21 16:58:38,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:38,948 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 759 transitions. [2022-11-21 16:58:38,949 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) [2022-11-21 16:58:38,949 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 759 transitions. [2022-11-21 16:58:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-21 16:58:38,950 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:38,950 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] [2022-11-21 16:58:38,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 16:58:38,951 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:38,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:38,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1303505865, now seen corresponding path program 1 times [2022-11-21 16:58:38,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:38,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78943806] [2022-11-21 16:58:38,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:38,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:39,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:39,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78943806] [2022-11-21 16:58:39,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78943806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:39,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:39,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:39,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889636676] [2022-11-21 16:58:39,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:39,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:39,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:39,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:39,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:39,244 INFO L87 Difference]: Start difference. First operand 586 states and 759 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) [2022-11-21 16:58:40,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:40,797 INFO L93 Difference]: Finished difference Result 1320 states and 1786 transitions. [2022-11-21 16:58:40,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:40,798 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 [2022-11-21 16:58:40,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:40,803 INFO L225 Difference]: With dead ends: 1320 [2022-11-21 16:58:40,803 INFO L226 Difference]: Without dead ends: 1171 [2022-11-21 16:58:40,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:40,805 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 1992 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:40,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 2341 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:58:40,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-11-21 16:58:40,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-11-21 16:58:40,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3280701754385964) internal successors, (757), 585 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:40,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 757 transitions. [2022-11-21 16:58:40,989 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 757 transitions. Word has length 82 [2022-11-21 16:58:40,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:40,989 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 757 transitions. [2022-11-21 16:58:40,989 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) [2022-11-21 16:58:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 757 transitions. [2022-11-21 16:58:40,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-21 16:58:40,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:40,991 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] [2022-11-21 16:58:40,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 16:58:40,992 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:40,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:40,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1592889193, now seen corresponding path program 1 times [2022-11-21 16:58:40,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:40,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622703552] [2022-11-21 16:58:40,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:40,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:41,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:41,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622703552] [2022-11-21 16:58:41,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622703552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:41,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:41,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:41,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650315615] [2022-11-21 16:58:41,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:41,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:41,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:41,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:41,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:41,413 INFO L87 Difference]: Start difference. First operand 586 states and 757 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) [2022-11-21 16:58:42,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:42,953 INFO L93 Difference]: Finished difference Result 1278 states and 1719 transitions. [2022-11-21 16:58:42,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:42,953 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 [2022-11-21 16:58:42,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:42,956 INFO L225 Difference]: With dead ends: 1278 [2022-11-21 16:58:42,956 INFO L226 Difference]: Without dead ends: 1147 [2022-11-21 16:58:42,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:42,957 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 2611 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2611 SdHoareTripleChecker+Valid, 1977 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:42,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2611 Valid, 1977 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:58:42,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-11-21 16:58:43,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-11-21 16:58:43,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3263157894736841) internal successors, (756), 585 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 756 transitions. [2022-11-21 16:58:43,115 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 756 transitions. Word has length 82 [2022-11-21 16:58:43,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:43,116 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 756 transitions. [2022-11-21 16:58:43,116 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) [2022-11-21 16:58:43,116 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 756 transitions. [2022-11-21 16:58:43,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-21 16:58:43,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:43,118 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] [2022-11-21 16:58:43,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 16:58:43,118 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:43,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:43,119 INFO L85 PathProgramCache]: Analyzing trace with hash 585444599, now seen corresponding path program 1 times [2022-11-21 16:58:43,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:43,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337755773] [2022-11-21 16:58:43,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:43,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:43,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:43,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337755773] [2022-11-21 16:58:43,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337755773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:43,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:43,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:43,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661348092] [2022-11-21 16:58:43,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:43,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:43,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:43,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:43,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:43,457 INFO L87 Difference]: Start difference. First operand 586 states and 756 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) [2022-11-21 16:58:45,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:45,203 INFO L93 Difference]: Finished difference Result 1313 states and 1775 transitions. [2022-11-21 16:58:45,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:45,203 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 [2022-11-21 16:58:45,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:45,209 INFO L225 Difference]: With dead ends: 1313 [2022-11-21 16:58:45,209 INFO L226 Difference]: Without dead ends: 1171 [2022-11-21 16:58:45,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:45,211 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 1904 mSDsluCounter, 2029 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1904 SdHoareTripleChecker+Valid, 2525 SdHoareTripleChecker+Invalid, 1674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:45,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1904 Valid, 2525 Invalid, 1674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1669 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 16:58:45,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-11-21 16:58:45,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-11-21 16:58:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3245614035087718) internal successors, (755), 585 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:45,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 755 transitions. [2022-11-21 16:58:45,333 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 755 transitions. Word has length 82 [2022-11-21 16:58:45,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:45,333 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 755 transitions. [2022-11-21 16:58:45,334 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) [2022-11-21 16:58:45,334 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 755 transitions. [2022-11-21 16:58:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-21 16:58:45,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:45,335 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] [2022-11-21 16:58:45,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 16:58:45,336 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:45,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:45,336 INFO L85 PathProgramCache]: Analyzing trace with hash 906756407, now seen corresponding path program 1 times [2022-11-21 16:58:45,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:45,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097712347] [2022-11-21 16:58:45,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:45,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:45,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:45,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097712347] [2022-11-21 16:58:45,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097712347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:45,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:45,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:45,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43838686] [2022-11-21 16:58:45,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:45,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:45,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:45,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:45,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:45,692 INFO L87 Difference]: Start difference. First operand 586 states and 755 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) [2022-11-21 16:58:47,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:47,221 INFO L93 Difference]: Finished difference Result 1278 states and 1717 transitions. [2022-11-21 16:58:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:47,222 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 [2022-11-21 16:58:47,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:47,227 INFO L225 Difference]: With dead ends: 1278 [2022-11-21 16:58:47,227 INFO L226 Difference]: Without dead ends: 1147 [2022-11-21 16:58:47,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:47,228 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 2584 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 2024 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:47,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2584 Valid, 2024 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:58:47,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-11-21 16:58:47,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-11-21 16:58:47,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3228070175438595) internal successors, (754), 585 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:47,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 754 transitions. [2022-11-21 16:58:47,352 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 754 transitions. Word has length 82 [2022-11-21 16:58:47,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:47,353 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 754 transitions. [2022-11-21 16:58:47,353 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) [2022-11-21 16:58:47,353 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 754 transitions. [2022-11-21 16:58:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-21 16:58:47,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:47,354 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] [2022-11-21 16:58:47,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 16:58:47,355 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:47,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:47,355 INFO L85 PathProgramCache]: Analyzing trace with hash 46351895, now seen corresponding path program 1 times [2022-11-21 16:58:47,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:47,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683743663] [2022-11-21 16:58:47,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:47,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:47,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:47,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:47,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683743663] [2022-11-21 16:58:47,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683743663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:47,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:47,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:47,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842205525] [2022-11-21 16:58:47,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:47,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:47,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:47,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:47,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:47,689 INFO L87 Difference]: Start difference. First operand 586 states and 754 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) [2022-11-21 16:58:49,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:49,215 INFO L93 Difference]: Finished difference Result 1313 states and 1771 transitions. [2022-11-21 16:58:49,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:49,216 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 [2022-11-21 16:58:49,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:49,219 INFO L225 Difference]: With dead ends: 1313 [2022-11-21 16:58:49,220 INFO L226 Difference]: Without dead ends: 1171 [2022-11-21 16:58:49,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:49,221 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 2397 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 1331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:49,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 2010 Invalid, 1331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:58:49,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-11-21 16:58:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-11-21 16:58:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3210526315789475) internal successors, (753), 585 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 753 transitions. [2022-11-21 16:58:49,376 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 753 transitions. Word has length 82 [2022-11-21 16:58:49,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:49,377 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 753 transitions. [2022-11-21 16:58:49,377 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) [2022-11-21 16:58:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 753 transitions. [2022-11-21 16:58:49,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-21 16:58:49,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:49,379 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:58:49,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 16:58:49,379 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:49,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:49,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1083737591, now seen corresponding path program 1 times [2022-11-21 16:58:49,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:49,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738144789] [2022-11-21 16:58:49,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:49,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:49,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:49,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738144789] [2022-11-21 16:58:49,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738144789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:49,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:49,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:49,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978141814] [2022-11-21 16:58:49,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:49,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:49,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:49,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:49,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:49,699 INFO L87 Difference]: Start difference. First operand 586 states and 753 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) [2022-11-21 16:58:51,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:51,228 INFO L93 Difference]: Finished difference Result 1309 states and 1766 transitions. [2022-11-21 16:58:51,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:51,229 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 [2022-11-21 16:58:51,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:51,234 INFO L225 Difference]: With dead ends: 1309 [2022-11-21 16:58:51,234 INFO L226 Difference]: Without dead ends: 1171 [2022-11-21 16:58:51,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:51,235 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 2003 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:51,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2003 Valid, 2132 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:58:51,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-11-21 16:58:51,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-11-21 16:58:51,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3192982456140352) internal successors, (752), 585 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 752 transitions. [2022-11-21 16:58:51,423 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 752 transitions. Word has length 82 [2022-11-21 16:58:51,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:51,424 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 752 transitions. [2022-11-21 16:58:51,424 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) [2022-11-21 16:58:51,424 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 752 transitions. [2022-11-21 16:58:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 16:58:51,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:51,426 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] [2022-11-21 16:58:51,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-21 16:58:51,426 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:51,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:51,427 INFO L85 PathProgramCache]: Analyzing trace with hash -647233403, now seen corresponding path program 1 times [2022-11-21 16:58:51,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:51,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869057571] [2022-11-21 16:58:51,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:51,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:51,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:51,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869057571] [2022-11-21 16:58:51,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869057571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:51,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:51,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:51,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029793610] [2022-11-21 16:58:51,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:51,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:51,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:51,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:51,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:51,739 INFO L87 Difference]: Start difference. First operand 586 states and 752 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:58:53,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:53,442 INFO L93 Difference]: Finished difference Result 1190 states and 1583 transitions. [2022-11-21 16:58:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:53,443 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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 [2022-11-21 16:58:53,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:53,446 INFO L225 Difference]: With dead ends: 1190 [2022-11-21 16:58:53,446 INFO L226 Difference]: Without dead ends: 1171 [2022-11-21 16:58:53,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:53,448 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 1889 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 2225 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:53,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 2225 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:58:53,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-11-21 16:58:53,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-11-21 16:58:53,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3157894736842106) internal successors, (750), 585 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:53,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 750 transitions. [2022-11-21 16:58:53,593 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 750 transitions. Word has length 83 [2022-11-21 16:58:53,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:53,593 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 750 transitions. [2022-11-21 16:58:53,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:58:53,593 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 750 transitions. [2022-11-21 16:58:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 16:58:53,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:53,595 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] [2022-11-21 16:58:53,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-21 16:58:53,595 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:53,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:53,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2136665467, now seen corresponding path program 1 times [2022-11-21 16:58:53,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:53,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740828377] [2022-11-21 16:58:53,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:53,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:53,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:53,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740828377] [2022-11-21 16:58:53,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740828377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:53,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:53,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:53,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776834401] [2022-11-21 16:58:53,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:53,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:53,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:53,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:53,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:53,871 INFO L87 Difference]: Start difference. First operand 586 states and 750 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:58:55,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:55,270 INFO L93 Difference]: Finished difference Result 1285 states and 1720 transitions. [2022-11-21 16:58:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:55,271 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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 [2022-11-21 16:58:55,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:55,273 INFO L225 Difference]: With dead ends: 1285 [2022-11-21 16:58:55,273 INFO L226 Difference]: Without dead ends: 1147 [2022-11-21 16:58:55,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:55,275 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 1534 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:55,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 1703 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 16:58:55,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-11-21 16:58:55,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-11-21 16:58:55,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.312280701754386) internal successors, (748), 585 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:55,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 748 transitions. [2022-11-21 16:58:55,492 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 748 transitions. Word has length 83 [2022-11-21 16:58:55,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:55,493 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 748 transitions. [2022-11-21 16:58:55,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:58:55,493 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 748 transitions. [2022-11-21 16:58:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 16:58:55,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:55,495 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] [2022-11-21 16:58:55,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-21 16:58:55,495 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)] === [2022-11-21 16:58:55,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:55,496 INFO L85 PathProgramCache]: Analyzing trace with hash -609215547, now seen corresponding path program 1 times [2022-11-21 16:58:55,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:55,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413385904] [2022-11-21 16:58:55,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:55,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:55,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:55,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413385904] [2022-11-21 16:58:55,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413385904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:55,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:55,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:55,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728194711] [2022-11-21 16:58:55,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:55,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:55,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:55,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:55,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:55,804 INFO L87 Difference]: Start difference. First operand 586 states and 748 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:58:57,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:57,471 INFO L93 Difference]: Finished difference Result 1326 states and 1780 transitions. [2022-11-21 16:58:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:57,471 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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 [2022-11-21 16:58:57,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:57,474 INFO L225 Difference]: With dead ends: 1326 [2022-11-21 16:58:57,474 INFO L226 Difference]: Without dead ends: 1171 [2022-11-21 16:58:57,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:58:57,476 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 2002 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 2120 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:57,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 2120 Invalid, 1334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:58:57,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-11-21 16:58:57,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-11-21 16:58:57,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3087719298245615) internal successors, (746), 585 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 746 transitions. [2022-11-21 16:58:57,666 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 746 transitions. Word has length 83 [2022-11-21 16:58:57,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:57,666 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 746 transitions. [2022-11-21 16:58:57,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:58:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 746 transitions. [2022-11-21 16:58:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 16:58:57,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:57,668 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] [2022-11-21 16:58:57,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-21 16:58:57,668 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:57,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:57,669 INFO L85 PathProgramCache]: Analyzing trace with hash -2078948027, now seen corresponding path program 1 times [2022-11-21 16:58:57,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:57,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866338437] [2022-11-21 16:58:57,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:57,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:57,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:57,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:57,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866338437] [2022-11-21 16:58:57,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866338437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:57,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:57,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:57,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666031688] [2022-11-21 16:58:57,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:57,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:58:57,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:57,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:58:57,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:58:57,938 INFO L87 Difference]: Start difference. First operand 586 states and 746 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:58:59,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:59,591 INFO L93 Difference]: Finished difference Result 1396 states and 1875 transitions. [2022-11-21 16:58:59,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:58:59,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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 [2022-11-21 16:58:59,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:59,594 INFO L225 Difference]: With dead ends: 1396 [2022-11-21 16:58:59,594 INFO L226 Difference]: Without dead ends: 1197 [2022-11-21 16:58:59,595 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 [2022-11-21 16:58:59,595 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 2340 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 2277 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:59,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 2277 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:58:59,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-11-21 16:58:59,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 586. [2022-11-21 16:58:59,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.305263157894737) internal successors, (744), 585 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:59,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 744 transitions. [2022-11-21 16:58:59,768 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 744 transitions. Word has length 83 [2022-11-21 16:58:59,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:59,768 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 744 transitions. [2022-11-21 16:58:59,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:58:59,768 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 744 transitions. [2022-11-21 16:58:59,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 16:58:59,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:59,769 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] [2022-11-21 16:58:59,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-21 16:58:59,770 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:58:59,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:59,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1135938619, now seen corresponding path program 1 times [2022-11-21 16:58:59,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:59,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507276780] [2022-11-21 16:58:59,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:59,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:00,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:00,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507276780] [2022-11-21 16:59:00,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507276780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:00,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:00,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:59:00,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719739438] [2022-11-21 16:59:00,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:00,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:59:00,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:00,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:59:00,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:59:00,088 INFO L87 Difference]: Start difference. First operand 586 states and 744 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:59:01,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:01,851 INFO L93 Difference]: Finished difference Result 1281 states and 1709 transitions. [2022-11-21 16:59:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:59:01,851 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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 [2022-11-21 16:59:01,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:01,854 INFO L225 Difference]: With dead ends: 1281 [2022-11-21 16:59:01,854 INFO L226 Difference]: Without dead ends: 1147 [2022-11-21 16:59:01,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:59:01,855 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 2477 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2477 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:01,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2477 Valid, 2200 Invalid, 1417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:59:01,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-11-21 16:59:02,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-11-21 16:59:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3035087719298246) internal successors, (743), 585 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 743 transitions. [2022-11-21 16:59:02,013 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 743 transitions. Word has length 83 [2022-11-21 16:59:02,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:02,013 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 743 transitions. [2022-11-21 16:59:02,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:59:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 743 transitions. [2022-11-21 16:59:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 16:59:02,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:02,015 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] [2022-11-21 16:59:02,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-21 16:59:02,015 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:59:02,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:02,016 INFO L85 PathProgramCache]: Analyzing trace with hash -120186235, now seen corresponding path program 1 times [2022-11-21 16:59:02,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:02,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551026549] [2022-11-21 16:59:02,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:02,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:02,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:02,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:02,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551026549] [2022-11-21 16:59:02,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551026549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:02,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:02,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:59:02,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86588677] [2022-11-21 16:59:02,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:02,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:59:02,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:02,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:59:02,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:59:02,326 INFO L87 Difference]: Start difference. First operand 586 states and 743 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:59:04,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:04,102 INFO L93 Difference]: Finished difference Result 1318 states and 1762 transitions. [2022-11-21 16:59:04,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:59:04,103 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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 [2022-11-21 16:59:04,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:04,105 INFO L225 Difference]: With dead ends: 1318 [2022-11-21 16:59:04,105 INFO L226 Difference]: Without dead ends: 1171 [2022-11-21 16:59:04,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:59:04,106 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 1763 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 2560 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:04,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 2560 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1636 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:59:04,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-11-21 16:59:04,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-11-21 16:59:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3017543859649123) internal successors, (742), 585 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 742 transitions. [2022-11-21 16:59:04,281 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 742 transitions. Word has length 83 [2022-11-21 16:59:04,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:04,281 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 742 transitions. [2022-11-21 16:59:04,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2022-11-21 16:59:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 742 transitions. [2022-11-21 16:59:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-21 16:59:04,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:04,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:59:04,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-21 16:59:04,283 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:59:04,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:04,284 INFO L85 PathProgramCache]: Analyzing trace with hash 901356690, now seen corresponding path program 1 times [2022-11-21 16:59:04,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:04,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031367047] [2022-11-21 16:59:04,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:04,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:06,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:06,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031367047] [2022-11-21 16:59:06,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031367047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:06,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:06,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-11-21 16:59:06,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907791529] [2022-11-21 16:59:06,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:06,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-21 16:59:06,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:06,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-21 16:59:06,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=696, Unknown=0, NotChecked=0, Total=756 [2022-11-21 16:59:06,343 INFO L87 Difference]: Start difference. First operand 586 states and 742 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 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) [2022-11-21 16:59:15,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:15,003 INFO L93 Difference]: Finished difference Result 1324 states and 1724 transitions. [2022-11-21 16:59:15,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-21 16:59:15,004 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 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 [2022-11-21 16:59:15,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:15,005 INFO L225 Difference]: With dead ends: 1324 [2022-11-21 16:59:15,006 INFO L226 Difference]: Without dead ends: 1188 [2022-11-21 16:59:15,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=452, Invalid=2518, Unknown=0, NotChecked=0, Total=2970 [2022-11-21 16:59:15,007 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 3351 mSDsluCounter, 14764 mSDsCounter, 0 mSdLazyCounter, 8215 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3351 SdHoareTripleChecker+Valid, 15776 SdHoareTripleChecker+Invalid, 8231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 8215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:15,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3351 Valid, 15776 Invalid, 8231 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 8215 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-21 16:59:15,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-11-21 16:59:15,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 597. [2022-11-21 16:59:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 581 states have (on average 1.2994836488812394) internal successors, (755), 596 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 755 transitions. [2022-11-21 16:59:15,197 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 755 transitions. Word has length 84 [2022-11-21 16:59:15,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:15,197 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 755 transitions. [2022-11-21 16:59:15,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 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) [2022-11-21 16:59:15,197 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 755 transitions. [2022-11-21 16:59:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-21 16:59:15,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:15,199 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] [2022-11-21 16:59:15,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-21 16:59:15,199 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:59:15,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:15,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1803038574, now seen corresponding path program 1 times [2022-11-21 16:59:15,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:15,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144637518] [2022-11-21 16:59:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:15,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:17,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:17,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:17,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144637518] [2022-11-21 16:59:17,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144637518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:17,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:17,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-11-21 16:59:17,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388323624] [2022-11-21 16:59:17,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:17,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-21 16:59:17,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:17,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-21 16:59:17,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=696, Unknown=0, NotChecked=0, Total=756 [2022-11-21 16:59:17,232 INFO L87 Difference]: Start difference. First operand 597 states and 755 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 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) [2022-11-21 16:59:25,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:25,959 INFO L93 Difference]: Finished difference Result 1323 states and 1723 transitions. [2022-11-21 16:59:25,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-21 16:59:25,960 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 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 [2022-11-21 16:59:25,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:25,962 INFO L225 Difference]: With dead ends: 1323 [2022-11-21 16:59:25,962 INFO L226 Difference]: Without dead ends: 1187 [2022-11-21 16:59:25,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=411, Invalid=2451, Unknown=0, NotChecked=0, Total=2862 [2022-11-21 16:59:25,963 INFO L413 NwaCegarLoop]: 1000 mSDtfsCounter, 3860 mSDsluCounter, 14415 mSDsCounter, 0 mSdLazyCounter, 8048 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3860 SdHoareTripleChecker+Valid, 15415 SdHoareTripleChecker+Invalid, 8067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 8048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:25,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3860 Valid, 15415 Invalid, 8067 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 8048 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-21 16:59:25,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2022-11-21 16:59:26,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 604. [2022-11-21 16:59:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 588 states have (on average 1.2959183673469388) internal successors, (762), 603 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 762 transitions. [2022-11-21 16:59:26,153 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 762 transitions. Word has length 84 [2022-11-21 16:59:26,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:26,154 INFO L495 AbstractCegarLoop]: Abstraction has 604 states and 762 transitions. [2022-11-21 16:59:26,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 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) [2022-11-21 16:59:26,154 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 762 transitions. [2022-11-21 16:59:26,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-21 16:59:26,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:26,156 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] [2022-11-21 16:59:26,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-21 16:59:26,156 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:59:26,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:26,157 INFO L85 PathProgramCache]: Analyzing trace with hash 469045170, now seen corresponding path program 1 times [2022-11-21 16:59:26,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:26,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653152209] [2022-11-21 16:59:26,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:26,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:27,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:27,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653152209] [2022-11-21 16:59:27,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653152209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:27,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:27,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-11-21 16:59:27,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399908546] [2022-11-21 16:59:27,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:27,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-21 16:59:27,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:27,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-21 16:59:27,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2022-11-21 16:59:27,953 INFO L87 Difference]: Start difference. First operand 604 states and 762 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 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) [2022-11-21 16:59:36,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:36,367 INFO L93 Difference]: Finished difference Result 1731 states and 2300 transitions. [2022-11-21 16:59:36,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-21 16:59:36,368 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 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 [2022-11-21 16:59:36,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:36,371 INFO L225 Difference]: With dead ends: 1731 [2022-11-21 16:59:36,371 INFO L226 Difference]: Without dead ends: 1599 [2022-11-21 16:59:36,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=386, Invalid=2266, Unknown=0, NotChecked=0, Total=2652 [2022-11-21 16:59:36,373 INFO L413 NwaCegarLoop]: 1045 mSDtfsCounter, 2935 mSDsluCounter, 16846 mSDsCounter, 0 mSdLazyCounter, 8601 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2935 SdHoareTripleChecker+Valid, 17891 SdHoareTripleChecker+Invalid, 8617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 8601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:36,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2935 Valid, 17891 Invalid, 8617 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 8601 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-21 16:59:36,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2022-11-21 16:59:36,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 604. [2022-11-21 16:59:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 588 states have (on average 1.2925170068027212) internal successors, (760), 603 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 760 transitions. [2022-11-21 16:59:36,576 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 760 transitions. Word has length 84 [2022-11-21 16:59:36,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:36,577 INFO L495 AbstractCegarLoop]: Abstraction has 604 states and 760 transitions. [2022-11-21 16:59:36,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 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) [2022-11-21 16:59:36,577 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 760 transitions. [2022-11-21 16:59:36,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-21 16:59:36,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:36,578 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] [2022-11-21 16:59:36,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-21 16:59:36,578 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:59:36,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:36,579 INFO L85 PathProgramCache]: Analyzing trace with hash 2078732722, now seen corresponding path program 1 times [2022-11-21 16:59:36,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:36,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682727399] [2022-11-21 16:59:36,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:36,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:37,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:37,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682727399] [2022-11-21 16:59:37,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682727399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:37,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:37,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 16:59:37,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808789348] [2022-11-21 16:59:37,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:37,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 16:59:37,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:37,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 16:59:37,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-21 16:59:37,296 INFO L87 Difference]: Start difference. First operand 604 states and 760 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) [2022-11-21 16:59:40,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:40,346 INFO L93 Difference]: Finished difference Result 2230 states and 3015 transitions. [2022-11-21 16:59:40,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-21 16:59:40,346 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 [2022-11-21 16:59:40,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:40,349 INFO L225 Difference]: With dead ends: 2230 [2022-11-21 16:59:40,349 INFO L226 Difference]: Without dead ends: 2100 [2022-11-21 16:59:40,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-11-21 16:59:40,350 INFO L413 NwaCegarLoop]: 732 mSDtfsCounter, 4176 mSDsluCounter, 3660 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4176 SdHoareTripleChecker+Valid, 4392 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:40,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4176 Valid, 4392 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:59:40,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-11-21 16:59:40,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 602. [2022-11-21 16:59:40,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 586 states have (on average 1.2901023890784984) internal successors, (756), 601 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:40,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 756 transitions. [2022-11-21 16:59:40,607 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 756 transitions. Word has length 84 [2022-11-21 16:59:40,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:40,607 INFO L495 AbstractCegarLoop]: Abstraction has 602 states and 756 transitions. [2022-11-21 16:59:40,607 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) [2022-11-21 16:59:40,607 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 756 transitions. [2022-11-21 16:59:40,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-21 16:59:40,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:40,608 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] [2022-11-21 16:59:40,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-21 16:59:40,609 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:59:40,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:40,609 INFO L85 PathProgramCache]: Analyzing trace with hash -918543470, now seen corresponding path program 1 times [2022-11-21 16:59:40,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:40,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774280668] [2022-11-21 16:59:40,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:40,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:41,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:41,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774280668] [2022-11-21 16:59:41,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774280668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:41,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:41,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 16:59:41,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411706488] [2022-11-21 16:59:41,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:41,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:59:41,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:41,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:59:41,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:59:41,197 INFO L87 Difference]: Start difference. First operand 602 states and 756 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) [2022-11-21 16:59:42,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:42,980 INFO L93 Difference]: Finished difference Result 1294 states and 1679 transitions. [2022-11-21 16:59:42,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:59:42,981 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 [2022-11-21 16:59:42,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:42,982 INFO L225 Difference]: With dead ends: 1294 [2022-11-21 16:59:42,984 INFO L226 Difference]: Without dead ends: 1034 [2022-11-21 16:59:42,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2022-11-21 16:59:42,985 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 2579 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:42,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 2179 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-21 16:59:42,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2022-11-21 16:59:43,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 470. [2022-11-21 16:59:43,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 459 states have (on average 1.2941176470588236) internal successors, (594), 469 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 594 transitions. [2022-11-21 16:59:43,184 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 594 transitions. Word has length 84 [2022-11-21 16:59:43,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:43,184 INFO L495 AbstractCegarLoop]: Abstraction has 470 states and 594 transitions. [2022-11-21 16:59:43,184 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) [2022-11-21 16:59:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 594 transitions. [2022-11-21 16:59:43,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-21 16:59:43,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:43,186 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] [2022-11-21 16:59:43,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-21 16:59:43,186 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:59:43,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:43,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1485088950, now seen corresponding path program 1 times [2022-11-21 16:59:43,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:43,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680672209] [2022-11-21 16:59:43,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:43,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:43,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:43,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680672209] [2022-11-21 16:59:43,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680672209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:43,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:43,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 16:59:43,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774329894] [2022-11-21 16:59:43,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:43,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 16:59:43,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:43,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 16:59:43,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:59:43,819 INFO L87 Difference]: Start difference. First operand 470 states and 594 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 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) [2022-11-21 16:59:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:44,738 INFO L93 Difference]: Finished difference Result 870 states and 1152 transitions. [2022-11-21 16:59:44,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 16:59:44,738 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 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 [2022-11-21 16:59:44,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:44,740 INFO L225 Difference]: With dead ends: 870 [2022-11-21 16:59:44,740 INFO L226 Difference]: Without dead ends: 618 [2022-11-21 16:59:44,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2022-11-21 16:59:44,741 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 1047 mSDsluCounter, 1827 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:44,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 2252 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:59:44,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2022-11-21 16:59:44,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 346. [2022-11-21 16:59:44,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 339 states have (on average 1.3126843657817109) internal successors, (445), 345 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:44,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 445 transitions. [2022-11-21 16:59:44,910 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 445 transitions. Word has length 85 [2022-11-21 16:59:44,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:44,910 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 445 transitions. [2022-11-21 16:59:44,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 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) [2022-11-21 16:59:44,910 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 445 transitions. [2022-11-21 16:59:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-21 16:59:44,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:44,911 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] [2022-11-21 16:59:44,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-21 16:59:44,911 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)] === [2022-11-21 16:59:44,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:44,912 INFO L85 PathProgramCache]: Analyzing trace with hash -249178582, now seen corresponding path program 1 times [2022-11-21 16:59:44,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:44,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974192524] [2022-11-21 16:59:44,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:44,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:45,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:45,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974192524] [2022-11-21 16:59:45,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974192524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:45,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:45,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 16:59:45,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052792887] [2022-11-21 16:59:45,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:45,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 16:59:45,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:45,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 16:59:45,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-21 16:59:45,536 INFO L87 Difference]: Start difference. First operand 346 states and 445 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 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) [2022-11-21 16:59:47,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:47,170 INFO L93 Difference]: Finished difference Result 1002 states and 1357 transitions. [2022-11-21 16:59:47,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:59:47,170 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 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 [2022-11-21 16:59:47,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:47,172 INFO L225 Difference]: With dead ends: 1002 [2022-11-21 16:59:47,172 INFO L226 Difference]: Without dead ends: 868 [2022-11-21 16:59:47,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2022-11-21 16:59:47,174 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 1316 mSDsluCounter, 2397 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1316 SdHoareTripleChecker+Valid, 2819 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:47,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1316 Valid, 2819 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-21 16:59:47,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2022-11-21 16:59:47,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 336. [2022-11-21 16:59:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 330 states have (on average 1.303030303030303) internal successors, (430), 335 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 430 transitions. [2022-11-21 16:59:47,391 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 430 transitions. Word has length 85 [2022-11-21 16:59:47,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:47,392 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 430 transitions. [2022-11-21 16:59:47,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 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) [2022-11-21 16:59:47,392 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 430 transitions. [2022-11-21 16:59:47,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-21 16:59:47,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:47,393 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] [2022-11-21 16:59:47,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-21 16:59:47,393 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:59:47,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:47,393 INFO L85 PathProgramCache]: Analyzing trace with hash 690370282, now seen corresponding path program 1 times [2022-11-21 16:59:47,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:47,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193894260] [2022-11-21 16:59:47,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:47,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:48,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:48,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:48,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193894260] [2022-11-21 16:59:48,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193894260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:48,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:48,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 16:59:48,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129375096] [2022-11-21 16:59:48,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:48,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 16:59:48,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:48,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 16:59:48,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-21 16:59:48,084 INFO L87 Difference]: Start difference. First operand 336 states and 430 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 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) [2022-11-21 16:59:49,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:49,886 INFO L93 Difference]: Finished difference Result 994 states and 1342 transitions. [2022-11-21 16:59:49,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-21 16:59:49,886 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 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 [2022-11-21 16:59:49,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:49,887 INFO L225 Difference]: With dead ends: 994 [2022-11-21 16:59:49,887 INFO L226 Difference]: Without dead ends: 860 [2022-11-21 16:59:49,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-11-21 16:59:49,888 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 1252 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 2854 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:49,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 2854 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 16:59:49,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2022-11-21 16:59:50,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 323. [2022-11-21 16:59:50,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 318 states have (on average 1.2955974842767295) internal successors, (412), 322 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 412 transitions. [2022-11-21 16:59:50,054 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 412 transitions. Word has length 85 [2022-11-21 16:59:50,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:50,055 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 412 transitions. [2022-11-21 16:59:50,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 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) [2022-11-21 16:59:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 412 transitions. [2022-11-21 16:59:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-21 16:59:50,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:50,055 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] [2022-11-21 16:59:50,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-21 16:59:50,056 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:59:50,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:50,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1516218390, now seen corresponding path program 1 times [2022-11-21 16:59:50,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:50,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963754623] [2022-11-21 16:59:50,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:50,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:52,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:52,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963754623] [2022-11-21 16:59:52,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963754623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:52,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:52,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-11-21 16:59:52,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336857028] [2022-11-21 16:59:52,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:52,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-21 16:59:52,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:52,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-21 16:59:52,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2022-11-21 16:59:52,111 INFO L87 Difference]: Start difference. First operand 323 states and 412 transitions. Second operand has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 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) [2022-11-21 16:59:56,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:56,889 INFO L93 Difference]: Finished difference Result 936 states and 1285 transitions. [2022-11-21 16:59:56,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-21 16:59:56,889 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 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 [2022-11-21 16:59:56,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:56,891 INFO L225 Difference]: With dead ends: 936 [2022-11-21 16:59:56,891 INFO L226 Difference]: Without dead ends: 801 [2022-11-21 16:59:56,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=488, Invalid=2482, Unknown=0, NotChecked=0, Total=2970 [2022-11-21 16:59:56,893 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 1079 mSDsluCounter, 4793 mSDsCounter, 0 mSdLazyCounter, 2265 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 5103 SdHoareTripleChecker+Invalid, 2291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:56,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 5103 Invalid, 2291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2265 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-21 16:59:56,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-11-21 16:59:57,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 337. [2022-11-21 16:59:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 332 states have (on average 1.2951807228915662) internal successors, (430), 336 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 430 transitions. [2022-11-21 16:59:57,175 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 430 transitions. Word has length 85 [2022-11-21 16:59:57,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:57,175 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 430 transitions. [2022-11-21 16:59:57,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 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) [2022-11-21 16:59:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 430 transitions. [2022-11-21 16:59:57,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-21 16:59:57,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:57,176 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, 1, 1, 1, 1] [2022-11-21 16:59:57,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-21 16:59:57,176 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:59:57,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:57,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1855795338, now seen corresponding path program 1 times [2022-11-21 16:59:57,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:57,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057749139] [2022-11-21 16:59:57,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:57,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:57,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:57,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057749139] [2022-11-21 16:59:57,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057749139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:57,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:57,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 16:59:57,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675744162] [2022-11-21 16:59:57,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:57,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:59:57,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:57,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:59:57,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:59:57,671 INFO L87 Difference]: Start difference. First operand 337 states and 430 transitions. Second operand has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 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) [2022-11-21 16:59:59,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:59,215 INFO L93 Difference]: Finished difference Result 1045 states and 1424 transitions. [2022-11-21 16:59:59,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 16:59:59,215 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 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 [2022-11-21 16:59:59,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:59,220 INFO L225 Difference]: With dead ends: 1045 [2022-11-21 16:59:59,220 INFO L226 Difference]: Without dead ends: 866 [2022-11-21 16:59:59,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2022-11-21 16:59:59,221 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 1104 mSDsluCounter, 2320 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 2914 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:59,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 2914 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:59:59,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2022-11-21 16:59:59,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 279. [2022-11-21 16:59:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 276 states have (on average 1.2971014492753623) internal successors, (358), 278 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:59:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 358 transitions. [2022-11-21 16:59:59,509 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 358 transitions. Word has length 86 [2022-11-21 16:59:59,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:59,509 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 358 transitions. [2022-11-21 16:59:59,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 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) [2022-11-21 16:59:59,509 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 358 transitions. [2022-11-21 16:59:59,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-21 16:59:59,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:59,509 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] [2022-11-21 16:59:59,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-21 16:59:59,510 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 16:59:59,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:59,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1665825514, now seen corresponding path program 1 times [2022-11-21 16:59:59,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:59,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985496099] [2022-11-21 16:59:59,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:59,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:59:59,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:59,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985496099] [2022-11-21 16:59:59,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985496099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:59,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:59,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:59:59,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345123120] [2022-11-21 16:59:59,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:59,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:59:59,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:59,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:59:59,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:59:59,791 INFO L87 Difference]: Start difference. First operand 279 states and 358 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 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) [2022-11-21 17:00:00,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:00,652 INFO L93 Difference]: Finished difference Result 455 states and 600 transitions. [2022-11-21 17:00:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 17:00:00,653 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 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 [2022-11-21 17:00:00,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:00,653 INFO L225 Difference]: With dead ends: 455 [2022-11-21 17:00:00,654 INFO L226 Difference]: Without dead ends: 447 [2022-11-21 17:00:00,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2022-11-21 17:00:00,654 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1241 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:00,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 538 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:00:00,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2022-11-21 17:00:00,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 279. [2022-11-21 17:00:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 276 states have (on average 1.2934782608695652) internal successors, (357), 278 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 357 transitions. [2022-11-21 17:00:00,850 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 357 transitions. Word has length 87 [2022-11-21 17:00:00,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:00,850 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 357 transitions. [2022-11-21 17:00:00,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 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) [2022-11-21 17:00:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 357 transitions. [2022-11-21 17:00:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-21 17:00:00,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:00,851 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] [2022-11-21 17:00:00,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-21 17:00:00,851 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:00,851 INFO L85 PathProgramCache]: Analyzing trace with hash -309288342, now seen corresponding path program 1 times [2022-11-21 17:00:00,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:00,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981450925] [2022-11-21 17:00:00,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:00,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:01,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:01,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981450925] [2022-11-21 17:00:01,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981450925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:01,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:01,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 17:00:01,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285256846] [2022-11-21 17:00:01,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:01,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 17:00:01,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:01,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 17:00:01,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:00:01,137 INFO L87 Difference]: Start difference. First operand 279 states and 357 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 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) [2022-11-21 17:00:02,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:02,165 INFO L93 Difference]: Finished difference Result 636 states and 854 transitions. [2022-11-21 17:00:02,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 17:00:02,166 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 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 [2022-11-21 17:00:02,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:02,167 INFO L225 Difference]: With dead ends: 636 [2022-11-21 17:00:02,167 INFO L226 Difference]: Without dead ends: 474 [2022-11-21 17:00:02,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2022-11-21 17:00:02,168 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 803 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:02,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 907 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 17:00:02,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-11-21 17:00:02,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 279. [2022-11-21 17:00:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 276 states have (on average 1.286231884057971) internal successors, (355), 278 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 355 transitions. [2022-11-21 17:00:02,337 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 355 transitions. Word has length 87 [2022-11-21 17:00:02,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:02,337 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 355 transitions. [2022-11-21 17:00:02,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 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) [2022-11-21 17:00:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 355 transitions. [2022-11-21 17:00:02,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-21 17:00:02,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:02,338 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] [2022-11-21 17:00:02,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-21 17:00:02,338 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:02,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:02,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1594060367, now seen corresponding path program 1 times [2022-11-21 17:00:02,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:02,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301860570] [2022-11-21 17:00:02,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:02,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:04,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:04,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301860570] [2022-11-21 17:00:04,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301860570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:04,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:04,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-11-21 17:00:04,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135790178] [2022-11-21 17:00:04,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:04,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-21 17:00:04,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:04,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-21 17:00:04,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2022-11-21 17:00:04,459 INFO L87 Difference]: Start difference. First operand 279 states and 355 transitions. Second operand has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:09,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:09,859 INFO L93 Difference]: Finished difference Result 1003 states and 1393 transitions. [2022-11-21 17:00:09,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-21 17:00:09,859 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-11-21 17:00:09,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:09,861 INFO L225 Difference]: With dead ends: 1003 [2022-11-21 17:00:09,861 INFO L226 Difference]: Without dead ends: 997 [2022-11-21 17:00:09,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=385, Invalid=2267, Unknown=0, NotChecked=0, Total=2652 [2022-11-21 17:00:09,863 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 1155 mSDsluCounter, 4769 mSDsCounter, 0 mSdLazyCounter, 2300 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 5027 SdHoareTripleChecker+Invalid, 2314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:09,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1155 Valid, 5027 Invalid, 2314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2300 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-21 17:00:09,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2022-11-21 17:00:10,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 298. [2022-11-21 17:00:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 295 states have (on average 1.2813559322033898) internal successors, (378), 297 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 378 transitions. [2022-11-21 17:00:10,087 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 378 transitions. Word has length 89 [2022-11-21 17:00:10,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:10,087 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 378 transitions. [2022-11-21 17:00:10,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:10,088 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 378 transitions. [2022-11-21 17:00:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-21 17:00:10,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:10,088 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] [2022-11-21 17:00:10,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-21 17:00:10,089 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:10,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:10,089 INFO L85 PathProgramCache]: Analyzing trace with hash -543104753, now seen corresponding path program 1 times [2022-11-21 17:00:10,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:10,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564214552] [2022-11-21 17:00:10,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:10,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:11,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:11,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564214552] [2022-11-21 17:00:11,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564214552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:11,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:11,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-11-21 17:00:11,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205015075] [2022-11-21 17:00:11,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:11,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-21 17:00:11,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:11,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-21 17:00:11,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=596, Unknown=0, NotChecked=0, Total=650 [2022-11-21 17:00:11,790 INFO L87 Difference]: Start difference. First operand 298 states and 378 transitions. Second operand has 26 states, 26 states have (on average 3.423076923076923) internal successors, (89), 26 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:15,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:15,033 INFO L93 Difference]: Finished difference Result 330 states and 410 transitions. [2022-11-21 17:00:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-21 17:00:15,034 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.423076923076923) internal successors, (89), 26 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-11-21 17:00:15,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:15,034 INFO L225 Difference]: With dead ends: 330 [2022-11-21 17:00:15,035 INFO L226 Difference]: Without dead ends: 321 [2022-11-21 17:00:15,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=344, Invalid=2008, Unknown=0, NotChecked=0, Total=2352 [2022-11-21 17:00:15,036 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 649 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 2989 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:15,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 2989 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-21 17:00:15,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-11-21 17:00:15,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 302. [2022-11-21 17:00:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 299 states have (on average 1.2809364548494984) internal successors, (383), 301 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 383 transitions. [2022-11-21 17:00:15,305 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 383 transitions. Word has length 89 [2022-11-21 17:00:15,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:15,305 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 383 transitions. [2022-11-21 17:00:15,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.423076923076923) internal successors, (89), 26 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:15,305 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 383 transitions. [2022-11-21 17:00:15,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-21 17:00:15,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:15,306 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] [2022-11-21 17:00:15,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-21 17:00:15,306 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:15,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:15,306 INFO L85 PathProgramCache]: Analyzing trace with hash 916649711, now seen corresponding path program 1 times [2022-11-21 17:00:15,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:15,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256494953] [2022-11-21 17:00:15,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:15,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:15,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:15,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256494953] [2022-11-21 17:00:15,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256494953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:15,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:15,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 17:00:15,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014451883] [2022-11-21 17:00:15,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:15,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 17:00:15,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:15,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 17:00:15,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:00:15,800 INFO L87 Difference]: Start difference. First operand 302 states and 383 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:18,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:18,256 INFO L93 Difference]: Finished difference Result 1297 states and 1817 transitions. [2022-11-21 17:00:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-21 17:00:18,256 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-11-21 17:00:18,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:18,260 INFO L225 Difference]: With dead ends: 1297 [2022-11-21 17:00:18,260 INFO L226 Difference]: Without dead ends: 1291 [2022-11-21 17:00:18,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-11-21 17:00:18,264 INFO L413 NwaCegarLoop]: 462 mSDtfsCounter, 1765 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 2909 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:18,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 2909 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-21 17:00:18,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2022-11-21 17:00:18,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 289. [2022-11-21 17:00:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 287 states have (on average 1.278745644599303) internal successors, (367), 288 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:18,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 367 transitions. [2022-11-21 17:00:18,649 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 367 transitions. Word has length 90 [2022-11-21 17:00:18,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:18,649 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 367 transitions. [2022-11-21 17:00:18,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 367 transitions. [2022-11-21 17:00:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-21 17:00:18,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:18,653 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] [2022-11-21 17:00:18,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-21 17:00:18,655 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:18,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:18,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1220515409, now seen corresponding path program 1 times [2022-11-21 17:00:18,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:18,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284347510] [2022-11-21 17:00:18,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:18,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:19,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:19,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284347510] [2022-11-21 17:00:19,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284347510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:19,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:19,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 17:00:19,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28517938] [2022-11-21 17:00:19,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:19,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 17:00:19,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:19,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 17:00:19,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:00:19,364 INFO L87 Difference]: Start difference. First operand 289 states and 367 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:21,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:21,567 INFO L93 Difference]: Finished difference Result 1033 states and 1437 transitions. [2022-11-21 17:00:21,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-21 17:00:21,568 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-11-21 17:00:21,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:21,569 INFO L225 Difference]: With dead ends: 1033 [2022-11-21 17:00:21,569 INFO L226 Difference]: Without dead ends: 1017 [2022-11-21 17:00:21,569 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 [2022-11-21 17:00:21,570 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 1399 mSDsluCounter, 2971 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 3451 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:21,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 3451 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-21 17:00:21,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2022-11-21 17:00:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 260. [2022-11-21 17:00:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 1.2857142857142858) internal successors, (333), 259 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 333 transitions. [2022-11-21 17:00:21,774 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 333 transitions. Word has length 90 [2022-11-21 17:00:21,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:21,774 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 333 transitions. [2022-11-21 17:00:21,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:21,774 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 333 transitions. [2022-11-21 17:00:21,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-21 17:00:21,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:21,775 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] [2022-11-21 17:00:21,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-21 17:00:21,775 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:21,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:21,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1829574929, now seen corresponding path program 1 times [2022-11-21 17:00:21,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:21,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158381609] [2022-11-21 17:00:21,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:21,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:21,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:21,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158381609] [2022-11-21 17:00:21,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158381609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:21,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:21,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:00:21,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096014757] [2022-11-21 17:00:21,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:21,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:00:21,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:21,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:00:21,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:00:21,897 INFO L87 Difference]: Start difference. First operand 260 states and 333 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 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) [2022-11-21 17:00:23,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:23,920 INFO L93 Difference]: Finished difference Result 1540 states and 2233 transitions. [2022-11-21 17:00:23,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 17:00:23,920 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 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 [2022-11-21 17:00:23,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:23,922 INFO L225 Difference]: With dead ends: 1540 [2022-11-21 17:00:23,922 INFO L226 Difference]: Without dead ends: 1412 [2022-11-21 17:00:23,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-21 17:00:23,923 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1508 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:23,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 1388 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:23,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2022-11-21 17:00:24,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 386. [2022-11-21 17:00:24,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.3454545454545455) internal successors, (518), 385 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:24,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 518 transitions. [2022-11-21 17:00:24,400 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 518 transitions. Word has length 118 [2022-11-21 17:00:24,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:24,401 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 518 transitions. [2022-11-21 17:00:24,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 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) [2022-11-21 17:00:24,401 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 518 transitions. [2022-11-21 17:00:24,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-21 17:00:24,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:24,401 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] [2022-11-21 17:00:24,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-21 17:00:24,402 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:24,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:24,402 INFO L85 PathProgramCache]: Analyzing trace with hash -58815912, now seen corresponding path program 1 times [2022-11-21 17:00:24,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:24,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661395616] [2022-11-21 17:00:24,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:24,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:24,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:24,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661395616] [2022-11-21 17:00:24,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661395616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:24,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:24,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:00:24,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481650905] [2022-11-21 17:00:24,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:24,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:00:24,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:24,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:00:24,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:00:24,551 INFO L87 Difference]: Start difference. First operand 386 states and 518 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:00:26,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:26,542 INFO L93 Difference]: Finished difference Result 1784 states and 2579 transitions. [2022-11-21 17:00:26,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:00:26,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-11-21 17:00:26,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:26,549 INFO L225 Difference]: With dead ends: 1784 [2022-11-21 17:00:26,549 INFO L226 Difference]: Without dead ends: 1530 [2022-11-21 17:00:26,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-21 17:00:26,550 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1185 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:26,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 952 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:26,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2022-11-21 17:00:27,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 638. [2022-11-21 17:00:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 637 states have (on average 1.3971742543171115) internal successors, (890), 637 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 890 transitions. [2022-11-21 17:00:27,310 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 890 transitions. Word has length 120 [2022-11-21 17:00:27,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:27,310 INFO L495 AbstractCegarLoop]: Abstraction has 638 states and 890 transitions. [2022-11-21 17:00:27,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:00:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 890 transitions. [2022-11-21 17:00:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-21 17:00:27,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:27,312 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] [2022-11-21 17:00:27,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-21 17:00:27,312 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:27,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:27,312 INFO L85 PathProgramCache]: Analyzing trace with hash 209861823, now seen corresponding path program 1 times [2022-11-21 17:00:27,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:27,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943698033] [2022-11-21 17:00:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:27,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:27,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:27,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943698033] [2022-11-21 17:00:27,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943698033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:27,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:27,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:00:27,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928591641] [2022-11-21 17:00:27,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:27,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:00:27,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:27,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:00:27,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:00:27,374 INFO L87 Difference]: Start difference. First operand 638 states and 890 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) [2022-11-21 17:00:28,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:28,981 INFO L93 Difference]: Finished difference Result 1598 states and 2292 transitions. [2022-11-21 17:00:28,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:00:28,982 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 [2022-11-21 17:00:28,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:28,983 INFO L225 Difference]: With dead ends: 1598 [2022-11-21 17:00:28,983 INFO L226 Difference]: Without dead ends: 1092 [2022-11-21 17:00:28,984 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 [2022-11-21 17:00:28,985 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 83 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 460 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 [2022-11-21 17:00:28,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 460 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:00:28,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-11-21 17:00:30,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1090. [2022-11-21 17:00:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1089 states have (on average 1.4031221303948576) internal successors, (1528), 1089 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:30,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1528 transitions. [2022-11-21 17:00:30,484 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1528 transitions. Word has length 120 [2022-11-21 17:00:30,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:30,484 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1528 transitions. [2022-11-21 17:00:30,485 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) [2022-11-21 17:00:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1528 transitions. [2022-11-21 17:00:30,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-21 17:00:30,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:30,485 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] [2022-11-21 17:00:30,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-21 17:00:30,486 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:30,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:30,486 INFO L85 PathProgramCache]: Analyzing trace with hash 276355335, now seen corresponding path program 1 times [2022-11-21 17:00:30,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:30,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819439420] [2022-11-21 17:00:30,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:30,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:30,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:30,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819439420] [2022-11-21 17:00:30,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819439420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:30,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:30,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:00:30,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320065699] [2022-11-21 17:00:30,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:30,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:00:30,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:30,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:00:30,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:00:30,759 INFO L87 Difference]: Start difference. First operand 1090 states and 1528 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:00:32,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:32,511 INFO L93 Difference]: Finished difference Result 2050 states and 2914 transitions. [2022-11-21 17:00:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:00:32,512 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-11-21 17:00:32,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:32,513 INFO L225 Difference]: With dead ends: 2050 [2022-11-21 17:00:32,513 INFO L226 Difference]: Without dead ends: 1092 [2022-11-21 17:00:32,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:00:32,518 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 779 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:32,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 558 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:32,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-11-21 17:00:33,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1090. [2022-11-21 17:00:33,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1089 states have (on average 1.399449035812672) internal successors, (1524), 1089 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1524 transitions. [2022-11-21 17:00:33,960 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1524 transitions. Word has length 120 [2022-11-21 17:00:33,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:33,961 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1524 transitions. [2022-11-21 17:00:33,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:00:33,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1524 transitions. [2022-11-21 17:00:33,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-21 17:00:33,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:33,962 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] [2022-11-21 17:00:33,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-21 17:00:33,962 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:33,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:33,962 INFO L85 PathProgramCache]: Analyzing trace with hash -755626408, now seen corresponding path program 1 times [2022-11-21 17:00:33,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:33,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949977166] [2022-11-21 17:00:33,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:33,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:34,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:34,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949977166] [2022-11-21 17:00:34,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949977166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:34,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:34,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:00:34,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987464511] [2022-11-21 17:00:34,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:34,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:00:34,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:34,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:00:34,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:00:34,144 INFO L87 Difference]: Start difference. First operand 1090 states and 1524 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:00:38,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:38,738 INFO L93 Difference]: Finished difference Result 3732 states and 5334 transitions. [2022-11-21 17:00:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:00:38,738 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-11-21 17:00:38,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:38,742 INFO L225 Difference]: With dead ends: 3732 [2022-11-21 17:00:38,742 INFO L226 Difference]: Without dead ends: 3252 [2022-11-21 17:00:38,743 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 [2022-11-21 17:00:38,744 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 1109 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:38,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 967 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:38,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2022-11-21 17:00:41,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 1808. [2022-11-21 17:00:41,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1808 states, 1807 states have (on average 1.4144991698948532) internal successors, (2556), 1807 states have internal predecessors, (2556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2556 transitions. [2022-11-21 17:00:41,306 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2556 transitions. Word has length 120 [2022-11-21 17:00:41,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:41,307 INFO L495 AbstractCegarLoop]: Abstraction has 1808 states and 2556 transitions. [2022-11-21 17:00:41,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:00:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2556 transitions. [2022-11-21 17:00:41,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-21 17:00:41,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:41,308 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] [2022-11-21 17:00:41,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-21 17:00:41,308 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:41,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:41,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1539427416, now seen corresponding path program 1 times [2022-11-21 17:00:41,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:41,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458693264] [2022-11-21 17:00:41,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:41,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:41,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:41,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458693264] [2022-11-21 17:00:41,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458693264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:41,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:41,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:00:41,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715540064] [2022-11-21 17:00:41,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:41,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:00:41,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:41,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:00:41,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:00:41,432 INFO L87 Difference]: Start difference. First operand 1808 states and 2556 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:00:46,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:46,626 INFO L93 Difference]: Finished difference Result 4210 states and 6022 transitions. [2022-11-21 17:00:46,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:00:46,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-11-21 17:00:46,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:46,631 INFO L225 Difference]: With dead ends: 4210 [2022-11-21 17:00:46,631 INFO L226 Difference]: Without dead ends: 3730 [2022-11-21 17:00:46,633 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 [2022-11-21 17:00:46,634 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 1025 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:46,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 1072 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:46,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3730 states. [2022-11-21 17:00:49,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3730 to 2286. [2022-11-21 17:00:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2286 states, 2285 states have (on average 1.4196936542669585) internal successors, (3244), 2285 states have internal predecessors, (3244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2286 states and 3244 transitions. [2022-11-21 17:00:49,816 INFO L78 Accepts]: Start accepts. Automaton has 2286 states and 3244 transitions. Word has length 120 [2022-11-21 17:00:49,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:49,816 INFO L495 AbstractCegarLoop]: Abstraction has 2286 states and 3244 transitions. [2022-11-21 17:00:49,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:00:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 3244 transitions. [2022-11-21 17:00:49,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-21 17:00:49,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:49,818 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] [2022-11-21 17:00:49,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-11-21 17:00:49,818 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:00:49,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:49,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1420576856, now seen corresponding path program 1 times [2022-11-21 17:00:49,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:49,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278184667] [2022-11-21 17:00:49,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:49,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:49,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:49,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278184667] [2022-11-21 17:00:49,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278184667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:49,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:49,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:00:49,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312863321] [2022-11-21 17:00:49,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:49,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:00:49,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:49,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:00:49,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:00:49,984 INFO L87 Difference]: Start difference. First operand 2286 states and 3244 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:00:56,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:56,564 INFO L93 Difference]: Finished difference Result 4688 states and 6710 transitions. [2022-11-21 17:00:56,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:00:56,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-11-21 17:00:56,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:56,568 INFO L225 Difference]: With dead ends: 4688 [2022-11-21 17:00:56,568 INFO L226 Difference]: Without dead ends: 4208 [2022-11-21 17:00:56,569 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 [2022-11-21 17:00:56,569 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1058 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:56,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 1192 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:56,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4208 states. [2022-11-21 17:01:00,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4208 to 2764. [2022-11-21 17:01:00,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 2763 states have (on average 1.423090843286283) internal successors, (3932), 2763 states have internal predecessors, (3932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:01:00,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3932 transitions. [2022-11-21 17:01:00,261 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 3932 transitions. Word has length 120 [2022-11-21 17:01:00,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:00,262 INFO L495 AbstractCegarLoop]: Abstraction has 2764 states and 3932 transitions. [2022-11-21 17:01:00,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:01:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3932 transitions. [2022-11-21 17:01:00,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-21 17:01:00,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:00,264 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] [2022-11-21 17:01:00,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-21 17:01:00,264 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:01:00,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:00,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1137378904, now seen corresponding path program 1 times [2022-11-21 17:01:00,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:00,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726490067] [2022-11-21 17:01:00,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:00,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:01:00,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:00,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726490067] [2022-11-21 17:01:00,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726490067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:00,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:01:00,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:01:00,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744687520] [2022-11-21 17:01:00,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:00,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:01:00,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:00,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:01:00,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:01:00,446 INFO L87 Difference]: Start difference. First operand 2764 states and 3932 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:01:07,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:07,848 INFO L93 Difference]: Finished difference Result 5166 states and 7398 transitions. [2022-11-21 17:01:07,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:01:07,849 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-11-21 17:01:07,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:07,854 INFO L225 Difference]: With dead ends: 5166 [2022-11-21 17:01:07,854 INFO L226 Difference]: Without dead ends: 4686 [2022-11-21 17:01:07,855 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 [2022-11-21 17:01:07,856 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1060 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:01:07,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 1061 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:01:07,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4686 states. [2022-11-21 17:01:12,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4686 to 3242. [2022-11-21 17:01:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3242 states, 3241 states have (on average 1.42548596112311) internal successors, (4620), 3241 states have internal predecessors, (4620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:01:12,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3242 states and 4620 transitions. [2022-11-21 17:01:12,475 INFO L78 Accepts]: Start accepts. Automaton has 3242 states and 4620 transitions. Word has length 120 [2022-11-21 17:01:12,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:12,475 INFO L495 AbstractCegarLoop]: Abstraction has 3242 states and 4620 transitions. [2022-11-21 17:01:12,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-11-21 17:01:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3242 states and 4620 transitions. [2022-11-21 17:01:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-21 17:01:12,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:12,477 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] [2022-11-21 17:01:12,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-21 17:01:12,478 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:01:12,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:12,478 INFO L85 PathProgramCache]: Analyzing trace with hash -2068457782, now seen corresponding path program 1 times [2022-11-21 17:01:12,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:12,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544753946] [2022-11-21 17:01:12,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:12,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:01:12,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:12,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544753946] [2022-11-21 17:01:12,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544753946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:12,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:01:12,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:01:12,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782679547] [2022-11-21 17:01:12,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:12,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:01:12,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:12,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:01:12,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:01:12,605 INFO L87 Difference]: Start difference. First operand 3242 states and 4620 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) [2022-11-21 17:01:20,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:20,181 INFO L93 Difference]: Finished difference Result 8188 states and 11700 transitions. [2022-11-21 17:01:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:01:20,182 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 [2022-11-21 17:01:20,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:20,186 INFO L225 Difference]: With dead ends: 8188 [2022-11-21 17:01:20,187 INFO L226 Difference]: Without dead ends: 5078 [2022-11-21 17:01:20,188 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 [2022-11-21 17:01:20,189 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 96 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 423 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 [2022-11-21 17:01:20,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 423 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:01:20,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5078 states. [2022-11-21 17:01:27,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5078 to 4868. [2022-11-21 17:01:27,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4868 states, 4867 states have (on average 1.4144236696116705) internal successors, (6884), 4867 states have internal predecessors, (6884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:01:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4868 states to 4868 states and 6884 transitions. [2022-11-21 17:01:27,448 INFO L78 Accepts]: Start accepts. Automaton has 4868 states and 6884 transitions. Word has length 121 [2022-11-21 17:01:27,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:27,449 INFO L495 AbstractCegarLoop]: Abstraction has 4868 states and 6884 transitions. [2022-11-21 17:01:27,449 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) [2022-11-21 17:01:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 4868 states and 6884 transitions. [2022-11-21 17:01:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-21 17:01:27,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:27,450 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] [2022-11-21 17:01:27,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-11-21 17:01:27,450 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:01:27,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:27,451 INFO L85 PathProgramCache]: Analyzing trace with hash -969611133, now seen corresponding path program 1 times [2022-11-21 17:01:27,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:27,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145900129] [2022-11-21 17:01:27,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:27,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:27,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:01:27,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:27,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145900129] [2022-11-21 17:01:27,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145900129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:27,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:01:27,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:01:27,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461885720] [2022-11-21 17:01:27,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:27,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:01:27,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:27,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:01:27,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:01:27,535 INFO L87 Difference]: Start difference. First operand 4868 states and 6884 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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) [2022-11-21 17:01:34,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:34,705 INFO L93 Difference]: Finished difference Result 9732 states and 13805 transitions. [2022-11-21 17:01:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:01:34,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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 [2022-11-21 17:01:34,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:34,710 INFO L225 Difference]: With dead ends: 9732 [2022-11-21 17:01:34,710 INFO L226 Difference]: Without dead ends: 4996 [2022-11-21 17:01:34,713 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 [2022-11-21 17:01:34,714 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 111 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:01:34,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 321 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:01:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4996 states. [2022-11-21 17:01:42,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4996 to 4994. [2022-11-21 17:01:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4994 states, 4993 states have (on average 1.403765271379932) internal successors, (7009), 4993 states have internal predecessors, (7009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:01:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4994 states to 4994 states and 7009 transitions. [2022-11-21 17:01:42,063 INFO L78 Accepts]: Start accepts. Automaton has 4994 states and 7009 transitions. Word has length 122 [2022-11-21 17:01:42,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:42,063 INFO L495 AbstractCegarLoop]: Abstraction has 4994 states and 7009 transitions. [2022-11-21 17:01:42,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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) [2022-11-21 17:01:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 4994 states and 7009 transitions. [2022-11-21 17:01:42,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-21 17:01:42,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:42,065 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] [2022-11-21 17:01:42,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-21 17:01:42,065 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:01:42,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:42,065 INFO L85 PathProgramCache]: Analyzing trace with hash 627156676, now seen corresponding path program 1 times [2022-11-21 17:01:42,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:42,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051576497] [2022-11-21 17:01:42,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:42,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:42,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:01:42,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:42,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051576497] [2022-11-21 17:01:42,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051576497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:42,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:01:42,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:01:42,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977100643] [2022-11-21 17:01:42,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:42,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:01:42,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:42,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:01:42,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:01:42,196 INFO L87 Difference]: Start difference. First operand 4994 states and 7009 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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) [2022-11-21 17:01:56,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:56,170 INFO L93 Difference]: Finished difference Result 14398 states and 20181 transitions. [2022-11-21 17:01:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:01:56,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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 [2022-11-21 17:01:56,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:56,183 INFO L225 Difference]: With dead ends: 14398 [2022-11-21 17:01:56,183 INFO L226 Difference]: Without dead ends: 9536 [2022-11-21 17:01:56,187 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 [2022-11-21 17:01:56,188 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 89 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 420 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 [2022-11-21 17:01:56,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 420 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:01:56,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9536 states. [2022-11-21 17:02:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9536 to 9214. [2022-11-21 17:02:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9214 states, 9213 states have (on average 1.39303158580267) internal successors, (12834), 9213 states have internal predecessors, (12834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:02:10,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9214 states to 9214 states and 12834 transitions. [2022-11-21 17:02:10,358 INFO L78 Accepts]: Start accepts. Automaton has 9214 states and 12834 transitions. Word has length 122 [2022-11-21 17:02:10,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:02:10,358 INFO L495 AbstractCegarLoop]: Abstraction has 9214 states and 12834 transitions. [2022-11-21 17:02:10,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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) [2022-11-21 17:02:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 9214 states and 12834 transitions. [2022-11-21 17:02:10,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-21 17:02:10,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:02:10,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:02:10,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-11-21 17:02:10,360 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:02:10,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:02:10,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1032814975, now seen corresponding path program 1 times [2022-11-21 17:02:10,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:02:10,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139270919] [2022-11-21 17:02:10,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:02:10,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:02:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:02:10,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:02:10,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139270919] [2022-11-21 17:02:10,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139270919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:02:10,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:02:10,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:02:10,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522997615] [2022-11-21 17:02:10,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:02:10,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:02:10,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:02:10,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:02:10,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:02:10,503 INFO L87 Difference]: Start difference. First operand 9214 states and 12834 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:02:36,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:02:36,770 INFO L93 Difference]: Finished difference Result 26738 states and 37096 transitions. [2022-11-21 17:02:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:02:36,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-11-21 17:02:36,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:02:36,789 INFO L225 Difference]: With dead ends: 26738 [2022-11-21 17:02:36,789 INFO L226 Difference]: Without dead ends: 17656 [2022-11-21 17:02:36,797 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 [2022-11-21 17:02:36,797 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 82 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 421 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 [2022-11-21 17:02:36,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 421 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:02:36,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17656 states. [2022-11-21 17:03:02,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17656 to 17014. [2022-11-21 17:03:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17014 states, 17013 states have (on average 1.3780050549579732) internal successors, (23444), 17013 states have internal predecessors, (23444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17014 states to 17014 states and 23444 transitions. [2022-11-21 17:03:02,668 INFO L78 Accepts]: Start accepts. Automaton has 17014 states and 23444 transitions. Word has length 123 [2022-11-21 17:03:02,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:02,669 INFO L495 AbstractCegarLoop]: Abstraction has 17014 states and 23444 transitions. [2022-11-21 17:03:02,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 17014 states and 23444 transitions. [2022-11-21 17:03:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-21 17:03:02,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:02,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:02,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-21 17:03:02,670 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:03:02,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:02,670 INFO L85 PathProgramCache]: Analyzing trace with hash -144687752, now seen corresponding path program 1 times [2022-11-21 17:03:02,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:02,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986363225] [2022-11-21 17:03:02,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:02,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:03:02,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:02,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986363225] [2022-11-21 17:03:02,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986363225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:02,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:02,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:03:02,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603738797] [2022-11-21 17:03:02,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:02,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:03:02,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:02,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:03:02,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:03:02,763 INFO L87 Difference]: Start difference. First operand 17014 states and 23444 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:52,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:52,705 INFO L93 Difference]: Finished difference Result 49498 states and 67806 transitions. [2022-11-21 17:03:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:03:52,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-11-21 17:03:52,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:52,746 INFO L225 Difference]: With dead ends: 49498 [2022-11-21 17:03:52,746 INFO L226 Difference]: Without dead ends: 32616 [2022-11-21 17:03:52,760 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 [2022-11-21 17:03:52,760 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 75 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 421 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 [2022-11-21 17:03:52,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 421 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:03:52,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32616 states. [2022-11-21 17:04:39,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32616 to 31334. [2022-11-21 17:04:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31334 states, 31333 states have (on average 1.3590782880668943) internal successors, (42584), 31333 states have internal predecessors, (42584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:04:39,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31334 states to 31334 states and 42584 transitions. [2022-11-21 17:04:39,603 INFO L78 Accepts]: Start accepts. Automaton has 31334 states and 42584 transitions. Word has length 124 [2022-11-21 17:04:39,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:04:39,604 INFO L495 AbstractCegarLoop]: Abstraction has 31334 states and 42584 transitions. [2022-11-21 17:04:39,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:04:39,604 INFO L276 IsEmpty]: Start isEmpty. Operand 31334 states and 42584 transitions. [2022-11-21 17:04:39,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-21 17:04:39,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:04:39,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:04:39,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-21 17:04:39,605 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:04:39,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:04:39,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1164457485, now seen corresponding path program 1 times [2022-11-21 17:04:39,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:04:39,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358653376] [2022-11-21 17:04:39,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:04:39,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:04:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:04:39,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:04:39,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358653376] [2022-11-21 17:04:39,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358653376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:04:39,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:04:39,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:04:39,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050546478] [2022-11-21 17:04:39,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:04:39,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:04:39,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:04:39,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:04:39,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:04:39,690 INFO L87 Difference]: Start difference. First operand 31334 states and 42584 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:06:19,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:06:19,256 INFO L93 Difference]: Finished difference Result 91178 states and 122986 transitions. [2022-11-21 17:06:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:06:19,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-11-21 17:06:19,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:06:19,349 INFO L225 Difference]: With dead ends: 91178 [2022-11-21 17:06:19,349 INFO L226 Difference]: Without dead ends: 59976 [2022-11-21 17:06:19,375 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 [2022-11-21 17:06:19,376 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 65 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 421 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 [2022-11-21 17:06:19,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 421 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:06:19,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59976 states. [2022-11-21 17:08:03,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59976 to 57414. [2022-11-21 17:08:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57414 states, 57413 states have (on average 1.3360040408966611) internal successors, (76704), 57413 states have internal predecessors, (76704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:08:03,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57414 states to 57414 states and 76704 transitions. [2022-11-21 17:08:03,757 INFO L78 Accepts]: Start accepts. Automaton has 57414 states and 76704 transitions. Word has length 125 [2022-11-21 17:08:03,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:08:03,757 INFO L495 AbstractCegarLoop]: Abstraction has 57414 states and 76704 transitions. [2022-11-21 17:08:03,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:08:03,757 INFO L276 IsEmpty]: Start isEmpty. Operand 57414 states and 76704 transitions. [2022-11-21 17:08:03,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-21 17:08:03,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:03,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:08:03,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-11-21 17:08:03,758 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-21 17:08:03,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:03,759 INFO L85 PathProgramCache]: Analyzing trace with hash 2124750892, now seen corresponding path program 1 times [2022-11-21 17:08:03,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:08:03,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177518965] [2022-11-21 17:08:03,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:03,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:08:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:08:04,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:08:04,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177518965] [2022-11-21 17:08:04,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177518965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:08:04,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:08:04,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:08:04,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470571987] [2022-11-21 17:08:04,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:08:04,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:08:04,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:08:04,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:08:04,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:08:04,151 INFO L87 Difference]: Start difference. First operand 57414 states and 76704 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:10:46,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:10:46,876 INFO L93 Difference]: Finished difference Result 87390 states and 116472 transitions. [2022-11-21 17:10:46,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 17:10:46,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-11-21 17:10:46,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:10:47,041 INFO L225 Difference]: With dead ends: 87390 [2022-11-21 17:10:47,041 INFO L226 Difference]: Without dead ends: 87388 [2022-11-21 17:10:47,066 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 [2022-11-21 17:10:47,067 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 317 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:10:47,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 1000 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:10:47,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87388 states.