./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fc434c98d81d50ebbaaf1f0c0ad7b0d03fbdae2db606436a34b66c07c286ced --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:12:29,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:12:29,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:12:29,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:12:29,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:12:29,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:12:29,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:12:29,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:12:29,536 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:12:29,537 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:12:29,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:12:29,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:12:29,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:12:29,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:12:29,540 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:12:29,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:12:29,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:12:29,553 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:12:29,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:12:29,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:12:29,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:12:29,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:12:29,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:12:29,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:12:29,556 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:12:29,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:12:29,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:12:29,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:12:29,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:12:29,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:12:29,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:12:29,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:12:29,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:12:29,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:12:29,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:12:29,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:12:29,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:12:29,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:12:29,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:12:29,561 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:12:29,561 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:12:29,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:12:29,561 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc434c98d81d50ebbaaf1f0c0ad7b0d03fbdae2db606436a34b66c07c286ced [2023-11-29 01:12:29,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:12:29,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:12:29,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:12:29,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:12:29,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:12:29,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c [2023-11-29 01:12:32,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:12:33,664 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:12:33,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c [2023-11-29 01:12:33,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/data/0626aa713/552181a2cc13445498cf63722022ad50/FLAG8f820b451 [2023-11-29 01:12:33,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/data/0626aa713/552181a2cc13445498cf63722022ad50 [2023-11-29 01:12:33,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:12:33,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:12:33,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:12:33,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:12:33,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:12:33,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:12:33" (1/1) ... [2023-11-29 01:12:33,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de89c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:33, skipping insertion in model container [2023-11-29 01:12:33,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:12:33" (1/1) ... [2023-11-29 01:12:34,174 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:12:34,680 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[22358,22371] [2023-11-29 01:12:34,711 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[28268,28281] [2023-11-29 01:12:34,720 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[29690,29703] [2023-11-29 01:12:34,726 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[30548,30561] [2023-11-29 01:12:34,737 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[32341,32354] [2023-11-29 01:12:34,746 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[33199,33212] [2023-11-29 01:12:34,757 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[34428,34441] [2023-11-29 01:12:34,778 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[37283,37296] [2023-11-29 01:12:34,786 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[38144,38157] [2023-11-29 01:12:34,796 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[39376,39389] [2023-11-29 01:12:34,814 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[41667,41680] [2023-11-29 01:12:34,843 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46092,46105] [2023-11-29 01:12:34,851 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46953,46966] [2023-11-29 01:12:34,860 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[48185,48198] [2023-11-29 01:12:34,876 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[50476,50489] [2023-11-29 01:12:34,901 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[54337,54350] [2023-11-29 01:12:34,944 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[61299,61312] [2023-11-29 01:12:34,953 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[62160,62173] [2023-11-29 01:12:34,964 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[63392,63405] [2023-11-29 01:12:34,983 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[65683,65696] [2023-11-29 01:12:35,015 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[69544,69557] [2023-11-29 01:12:35,057 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[75942,75955] [2023-11-29 01:12:35,121 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[87347,87360] [2023-11-29 01:12:35,131 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[88208,88221] [2023-11-29 01:12:35,155 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[89401,89414] [2023-11-29 01:12:35,173 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[91653,91666] [2023-11-29 01:12:35,204 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[95755,95768] [2023-11-29 01:12:35,254 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[103009,103022] [2023-11-29 01:12:35,328 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[115656,115669] [2023-11-29 01:12:35,466 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[137951,137964] [2023-11-29 01:12:35,475 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[138812,138825] [2023-11-29 01:12:35,486 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[140044,140057] [2023-11-29 01:12:35,505 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[142335,142348] [2023-11-29 01:12:35,528 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[146196,146209] [2023-11-29 01:12:35,562 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[152594,152607] [2023-11-29 01:12:35,616 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[163435,163448] [2023-11-29 01:12:35,709 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[182075,182088] [2023-11-29 01:12:37,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:12:37,851 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:12:37,978 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[22358,22371] [2023-11-29 01:12:38,000 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[28268,28281] [2023-11-29 01:12:38,012 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[29690,29703] [2023-11-29 01:12:38,020 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[30548,30561] [2023-11-29 01:12:38,032 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[32341,32354] [2023-11-29 01:12:38,039 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[33199,33212] [2023-11-29 01:12:38,049 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[34428,34441] [2023-11-29 01:12:38,068 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[37283,37296] [2023-11-29 01:12:38,076 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[38144,38157] [2023-11-29 01:12:38,085 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[39376,39389] [2023-11-29 01:12:38,101 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[41667,41680] [2023-11-29 01:12:38,129 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46092,46105] [2023-11-29 01:12:38,137 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46953,46966] [2023-11-29 01:12:38,146 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[48185,48198] [2023-11-29 01:12:38,162 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[50476,50489] [2023-11-29 01:12:38,187 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[54337,54350] [2023-11-29 01:12:38,227 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[61299,61312] [2023-11-29 01:12:38,235 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[62160,62173] [2023-11-29 01:12:38,244 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[63392,63405] [2023-11-29 01:12:38,260 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[65683,65696] [2023-11-29 01:12:38,285 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[69544,69557] [2023-11-29 01:12:38,319 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[75942,75955] [2023-11-29 01:12:38,374 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[87347,87360] [2023-11-29 01:12:38,381 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[88208,88221] [2023-11-29 01:12:38,390 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[89401,89414] [2023-11-29 01:12:38,405 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[91653,91666] [2023-11-29 01:12:38,430 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[95755,95768] [2023-11-29 01:12:38,474 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[103009,103022] [2023-11-29 01:12:38,541 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[115656,115669] [2023-11-29 01:12:38,668 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[137951,137964] [2023-11-29 01:12:38,675 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[138812,138825] [2023-11-29 01:12:38,683 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[140044,140057] [2023-11-29 01:12:38,697 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[142335,142348] [2023-11-29 01:12:38,718 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[146196,146209] [2023-11-29 01:12:38,748 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[152594,152607] [2023-11-29 01:12:38,789 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[163435,163448] [2023-11-29 01:12:38,844 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[182075,182088] [2023-11-29 01:12:40,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:12:40,426 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:12:40,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40 WrapperNode [2023-11-29 01:12:40,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:12:40,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:12:40,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:12:40,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:12:40,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:40,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:40,968 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25964 [2023-11-29 01:12:40,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:12:40,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:12:40,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:12:40,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:12:40,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:40,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:41,077 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:41,292 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 01:12:41,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:41,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:41,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:41,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:41,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:41,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:41,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:12:41,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:12:41,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:12:41,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:12:41,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (1/1) ... [2023-11-29 01:12:41,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:12:41,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:41,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:12:41,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e6b6d-1c03-4abe-a8fd-fd60405ccd10/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:12:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:12:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:12:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:12:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:12:42,401 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:12:42,403 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:12:52,409 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:12:52,567 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:12:52,567 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 01:12:52,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:12:52 BoogieIcfgContainer [2023-11-29 01:12:52,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:12:52,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:12:52,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:12:52,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:12:52,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:12:33" (1/3) ... [2023-11-29 01:12:52,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa416dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:12:52, skipping insertion in model container [2023-11-29 01:12:52,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:40" (2/3) ... [2023-11-29 01:12:52,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa416dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:12:52, skipping insertion in model container [2023-11-29 01:12:52,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:12:52" (3/3) ... [2023-11-29 01:12:52,578 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c [2023-11-29 01:12:52,597 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:12:52,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2023-11-29 01:12:52,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:12:52,720 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56b1920e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:12:52,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-11-29 01:12:52,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 3892 states, 3853 states have (on average 1.866337918505061) internal successors, (7191), 3891 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:12:52,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 01:12:52,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:12:52,785 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] [2023-11-29 01:12:52,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:12:52,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:52,791 INFO L85 PathProgramCache]: Analyzing trace with hash 970242633, now seen corresponding path program 1 times [2023-11-29 01:12:52,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:52,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120649652] [2023-11-29 01:12:52,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:52,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:12:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:12:53,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:12:53,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120649652] [2023-11-29 01:12:53,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120649652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:12:53,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:12:53,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:12:53,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979074909] [2023-11-29 01:12:53,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:12:53,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:12:53,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:12:53,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:12:53,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:12:53,756 INFO L87 Difference]: Start difference. First operand has 3892 states, 3853 states have (on average 1.866337918505061) internal successors, (7191), 3891 states have internal predecessors, (7191), 0 states have call successors, (0), 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 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:12:56,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:12:56,895 INFO L93 Difference]: Finished difference Result 5679 states and 10167 transitions. [2023-11-29 01:12:56,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:12:56,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-11-29 01:12:56,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:12:56,934 INFO L225 Difference]: With dead ends: 5679 [2023-11-29 01:12:56,934 INFO L226 Difference]: Without dead ends: 3056 [2023-11-29 01:12:56,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:12:56,948 INFO L413 NwaCegarLoop]: 3342 mSDtfsCounter, 16025 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16025 SdHoareTripleChecker+Valid, 3446 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:12:56,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16025 Valid, 3446 Invalid, 2221 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [129 Valid, 2092 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 01:12:56,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2023-11-29 01:12:57,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 3056. [2023-11-29 01:12:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3056 states, 3019 states have (on average 1.311361377939715) internal successors, (3959), 3055 states have internal predecessors, (3959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:12:57,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 3056 states and 3959 transitions. [2023-11-29 01:12:57,093 INFO L78 Accepts]: Start accepts. Automaton has 3056 states and 3959 transitions. Word has length 116 [2023-11-29 01:12:57,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:12:57,094 INFO L495 AbstractCegarLoop]: Abstraction has 3056 states and 3959 transitions. [2023-11-29 01:12:57,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:12:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3056 states and 3959 transitions. [2023-11-29 01:12:57,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 01:12:57,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:12:57,105 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] [2023-11-29 01:12:57,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:12:57,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:12:57,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:57,107 INFO L85 PathProgramCache]: Analyzing trace with hash 716802334, now seen corresponding path program 1 times [2023-11-29 01:12:57,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:57,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819541349] [2023-11-29 01:12:57,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:12:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:12:57,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:12:57,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819541349] [2023-11-29 01:12:57,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819541349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:12:57,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:12:57,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:12:57,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919051846] [2023-11-29 01:12:57,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:12:57,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:12:57,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:12:57,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:12:57,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:12:57,520 INFO L87 Difference]: Start difference. First operand 3056 states and 3959 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:12:59,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:12:59,461 INFO L93 Difference]: Finished difference Result 4835 states and 6514 transitions. [2023-11-29 01:12:59,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:12:59,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-11-29 01:12:59,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:12:59,477 INFO L225 Difference]: With dead ends: 4835 [2023-11-29 01:12:59,477 INFO L226 Difference]: Without dead ends: 2460 [2023-11-29 01:12:59,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:12:59,482 INFO L413 NwaCegarLoop]: 1851 mSDtfsCounter, 9798 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9798 SdHoareTripleChecker+Valid, 1871 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:12:59,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9798 Valid, 1871 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 01:12:59,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2023-11-29 01:12:59,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 2460. [2023-11-29 01:12:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2460 states, 2423 states have (on average 1.3611225753198515) internal successors, (3298), 2459 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:12:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2460 states and 3298 transitions. [2023-11-29 01:12:59,550 INFO L78 Accepts]: Start accepts. Automaton has 2460 states and 3298 transitions. Word has length 117 [2023-11-29 01:12:59,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:12:59,551 INFO L495 AbstractCegarLoop]: Abstraction has 2460 states and 3298 transitions. [2023-11-29 01:12:59,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:12:59,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 3298 transitions. [2023-11-29 01:12:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 01:12:59,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:12:59,559 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] [2023-11-29 01:12:59,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:12:59,560 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:12:59,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:59,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1403949894, now seen corresponding path program 1 times [2023-11-29 01:12:59,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:59,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927779812] [2023-11-29 01:12:59,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:59,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:12:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:12:59,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:12:59,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927779812] [2023-11-29 01:12:59,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927779812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:12:59,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:12:59,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:12:59,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410047322] [2023-11-29 01:12:59,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:12:59,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:12:59,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:12:59,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:12:59,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:12:59,994 INFO L87 Difference]: Start difference. First operand 2460 states and 3298 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 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) [2023-11-29 01:13:01,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:01,829 INFO L93 Difference]: Finished difference Result 4239 states and 5852 transitions. [2023-11-29 01:13:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:13:01,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 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 [2023-11-29 01:13:01,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:01,839 INFO L225 Difference]: With dead ends: 4239 [2023-11-29 01:13:01,840 INFO L226 Difference]: Without dead ends: 2300 [2023-11-29 01:13:01,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:13:01,843 INFO L413 NwaCegarLoop]: 1267 mSDtfsCounter, 9051 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9051 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 1993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:01,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9051 Valid, 1327 Invalid, 1993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1840 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 01:13:01,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2023-11-29 01:13:01,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 2300. [2023-11-29 01:13:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2300 states, 2263 states have (on average 1.3720724701723377) internal successors, (3105), 2299 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 2300 states and 3105 transitions. [2023-11-29 01:13:01,879 INFO L78 Accepts]: Start accepts. Automaton has 2300 states and 3105 transitions. Word has length 118 [2023-11-29 01:13:01,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:01,879 INFO L495 AbstractCegarLoop]: Abstraction has 2300 states and 3105 transitions. [2023-11-29 01:13:01,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 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) [2023-11-29 01:13:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 3105 transitions. [2023-11-29 01:13:01,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-29 01:13:01,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:01,884 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] [2023-11-29 01:13:01,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:13:01,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:01,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:01,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1175064949, now seen corresponding path program 1 times [2023-11-29 01:13:01,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:01,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151329521] [2023-11-29 01:13:01,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:01,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:02,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:02,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151329521] [2023-11-29 01:13:02,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151329521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:02,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:02,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:13:02,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598330602] [2023-11-29 01:13:02,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:02,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:13:02,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:02,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:13:02,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:13:02,098 INFO L87 Difference]: Start difference. First operand 2300 states and 3105 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:03,670 INFO L93 Difference]: Finished difference Result 4079 states and 5658 transitions. [2023-11-29 01:13:03,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:13:03,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2023-11-29 01:13:03,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:03,680 INFO L225 Difference]: With dead ends: 4079 [2023-11-29 01:13:03,680 INFO L226 Difference]: Without dead ends: 2124 [2023-11-29 01:13:03,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:13:03,684 INFO L413 NwaCegarLoop]: 1495 mSDtfsCounter, 8581 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8581 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:03,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8581 Valid, 1539 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 01:13:03,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2023-11-29 01:13:03,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 2124. [2023-11-29 01:13:03,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2124 states, 2087 states have (on average 1.3953042644944897) internal successors, (2912), 2123 states have internal predecessors, (2912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 2912 transitions. [2023-11-29 01:13:03,727 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 2912 transitions. Word has length 119 [2023-11-29 01:13:03,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:03,728 INFO L495 AbstractCegarLoop]: Abstraction has 2124 states and 2912 transitions. [2023-11-29 01:13:03,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:03,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2912 transitions. [2023-11-29 01:13:03,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 01:13:03,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:03,734 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] [2023-11-29 01:13:03,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:13:03,734 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:03,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:03,735 INFO L85 PathProgramCache]: Analyzing trace with hash -454932709, now seen corresponding path program 1 times [2023-11-29 01:13:03,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:03,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616803276] [2023-11-29 01:13:03,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:03,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:04,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:04,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616803276] [2023-11-29 01:13:04,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616803276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:04,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:04,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:13:04,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190745137] [2023-11-29 01:13:04,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:04,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:13:04,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:04,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:13:04,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:13:04,143 INFO L87 Difference]: Start difference. First operand 2124 states and 2912 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 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) [2023-11-29 01:13:05,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:05,806 INFO L93 Difference]: Finished difference Result 3903 states and 5464 transitions. [2023-11-29 01:13:05,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:13:05,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 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 [2023-11-29 01:13:05,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:05,818 INFO L225 Difference]: With dead ends: 3903 [2023-11-29 01:13:05,818 INFO L226 Difference]: Without dead ends: 2000 [2023-11-29 01:13:05,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:13:05,822 INFO L413 NwaCegarLoop]: 1499 mSDtfsCounter, 8226 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8226 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:05,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8226 Valid, 1527 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 01:13:05,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2023-11-29 01:13:05,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 2000. [2023-11-29 01:13:05,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1963 states have (on average 1.4156902699949057) internal successors, (2779), 1999 states have internal predecessors, (2779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:05,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2779 transitions. [2023-11-29 01:13:05,869 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2779 transitions. Word has length 120 [2023-11-29 01:13:05,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:05,870 INFO L495 AbstractCegarLoop]: Abstraction has 2000 states and 2779 transitions. [2023-11-29 01:13:05,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 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) [2023-11-29 01:13:05,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2779 transitions. [2023-11-29 01:13:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-29 01:13:05,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:05,876 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] [2023-11-29 01:13:05,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:13:05,877 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:05,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:05,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2030592158, now seen corresponding path program 1 times [2023-11-29 01:13:05,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:05,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385988010] [2023-11-29 01:13:05,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:05,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:06,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:06,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:06,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385988010] [2023-11-29 01:13:06,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385988010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:06,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:06,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:13:06,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089537409] [2023-11-29 01:13:06,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:06,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:13:06,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:06,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:13:06,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:13:06,153 INFO L87 Difference]: Start difference. First operand 2000 states and 2779 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 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) [2023-11-29 01:13:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:07,476 INFO L93 Difference]: Finished difference Result 3779 states and 5330 transitions. [2023-11-29 01:13:07,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:13:07,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 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 [2023-11-29 01:13:07,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:07,486 INFO L225 Difference]: With dead ends: 3779 [2023-11-29 01:13:07,486 INFO L226 Difference]: Without dead ends: 1926 [2023-11-29 01:13:07,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:13:07,489 INFO L413 NwaCegarLoop]: 1479 mSDtfsCounter, 8016 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8016 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:07,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8016 Valid, 1491 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 01:13:07,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2023-11-29 01:13:07,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1926. [2023-11-29 01:13:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1926 states, 1889 states have (on average 1.4293276866066702) internal successors, (2700), 1925 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:07,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 2700 transitions. [2023-11-29 01:13:07,549 INFO L78 Accepts]: Start accepts. Automaton has 1926 states and 2700 transitions. Word has length 121 [2023-11-29 01:13:07,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:07,550 INFO L495 AbstractCegarLoop]: Abstraction has 1926 states and 2700 transitions. [2023-11-29 01:13:07,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 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) [2023-11-29 01:13:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2700 transitions. [2023-11-29 01:13:07,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 01:13:07,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:07,558 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] [2023-11-29 01:13:07,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 01:13:07,558 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:07,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:07,559 INFO L85 PathProgramCache]: Analyzing trace with hash 541891792, now seen corresponding path program 1 times [2023-11-29 01:13:07,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:07,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452679862] [2023-11-29 01:13:07,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:07,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:07,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:07,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452679862] [2023-11-29 01:13:07,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452679862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:07,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:07,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:13:07,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108629783] [2023-11-29 01:13:07,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:07,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:13:07,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:07,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:13:07,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:13:07,898 INFO L87 Difference]: Start difference. First operand 1926 states and 2700 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 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) [2023-11-29 01:13:09,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:09,889 INFO L93 Difference]: Finished difference Result 4718 states and 6673 transitions. [2023-11-29 01:13:09,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:13:09,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 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 [2023-11-29 01:13:09,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:09,903 INFO L225 Difference]: With dead ends: 4718 [2023-11-29 01:13:09,903 INFO L226 Difference]: Without dead ends: 2899 [2023-11-29 01:13:09,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:13:09,906 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 10742 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10742 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 1843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:09,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10742 Valid, 2248 Invalid, 1843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 01:13:09,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2023-11-29 01:13:09,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 2773. [2023-11-29 01:13:09,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2773 states, 2736 states have (on average 1.4546783625730995) internal successors, (3980), 2772 states have internal predecessors, (3980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 3980 transitions. [2023-11-29 01:13:09,975 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 3980 transitions. Word has length 122 [2023-11-29 01:13:09,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:09,975 INFO L495 AbstractCegarLoop]: Abstraction has 2773 states and 3980 transitions. [2023-11-29 01:13:09,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 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) [2023-11-29 01:13:09,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3980 transitions. [2023-11-29 01:13:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 01:13:09,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:09,984 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] [2023-11-29 01:13:09,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 01:13:09,984 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:09,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:09,985 INFO L85 PathProgramCache]: Analyzing trace with hash -965925399, now seen corresponding path program 1 times [2023-11-29 01:13:09,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:09,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701631497] [2023-11-29 01:13:09,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:09,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:10,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:10,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:10,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701631497] [2023-11-29 01:13:10,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701631497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:10,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:10,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:13:10,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332816852] [2023-11-29 01:13:10,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:10,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:13:10,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:10,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:13:10,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:13:10,222 INFO L87 Difference]: Start difference. First operand 2773 states and 3980 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 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) [2023-11-29 01:13:11,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:11,571 INFO L93 Difference]: Finished difference Result 5439 states and 7852 transitions. [2023-11-29 01:13:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:13:11,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 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 [2023-11-29 01:13:11,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:11,584 INFO L225 Difference]: With dead ends: 5439 [2023-11-29 01:13:11,584 INFO L226 Difference]: Without dead ends: 2759 [2023-11-29 01:13:11,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:13:11,587 INFO L413 NwaCegarLoop]: 1409 mSDtfsCounter, 7794 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7794 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:11,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7794 Valid, 1445 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 01:13:11,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2759 states. [2023-11-29 01:13:11,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2759 to 2759. [2023-11-29 01:13:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4559147685525349) internal successors, (3963), 2758 states have internal predecessors, (3963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:11,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3963 transitions. [2023-11-29 01:13:11,659 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3963 transitions. Word has length 123 [2023-11-29 01:13:11,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:11,660 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3963 transitions. [2023-11-29 01:13:11,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 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) [2023-11-29 01:13:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3963 transitions. [2023-11-29 01:13:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 01:13:11,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:11,667 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] [2023-11-29 01:13:11,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 01:13:11,668 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:11,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:11,669 INFO L85 PathProgramCache]: Analyzing trace with hash 724063685, now seen corresponding path program 1 times [2023-11-29 01:13:11,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:11,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285259377] [2023-11-29 01:13:11,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:11,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:12,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:12,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:12,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285259377] [2023-11-29 01:13:12,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285259377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:12,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:12,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:13:12,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598420482] [2023-11-29 01:13:12,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:12,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:13:12,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:12,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:13:12,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:13:12,569 INFO L87 Difference]: Start difference. First operand 2759 states and 3963 transitions. Second operand has 10 states, 10 states have (on average 12.4) internal successors, (124), 9 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) [2023-11-29 01:13:16,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:16,468 INFO L93 Difference]: Finished difference Result 5335 states and 7654 transitions. [2023-11-29 01:13:16,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:13:16,469 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.4) internal successors, (124), 9 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 [2023-11-29 01:13:16,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:16,489 INFO L225 Difference]: With dead ends: 5335 [2023-11-29 01:13:16,489 INFO L226 Difference]: Without dead ends: 4661 [2023-11-29 01:13:16,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2023-11-29 01:13:16,492 INFO L413 NwaCegarLoop]: 1467 mSDtfsCounter, 8932 mSDsluCounter, 6085 mSDsCounter, 0 mSdLazyCounter, 6257 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8932 SdHoareTripleChecker+Valid, 7552 SdHoareTripleChecker+Invalid, 6263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:16,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8932 Valid, 7552 Invalid, 6263 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 6257 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 01:13:16,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4661 states. [2023-11-29 01:13:16,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4661 to 2759. [2023-11-29 01:13:16,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.455180014695077) internal successors, (3961), 2758 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:16,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3961 transitions. [2023-11-29 01:13:16,597 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3961 transitions. Word has length 124 [2023-11-29 01:13:16,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:16,597 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3961 transitions. [2023-11-29 01:13:16,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.4) internal successors, (124), 9 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) [2023-11-29 01:13:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3961 transitions. [2023-11-29 01:13:16,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 01:13:16,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:16,601 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] [2023-11-29 01:13:16,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 01:13:16,601 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:16,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:16,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1430403584, now seen corresponding path program 1 times [2023-11-29 01:13:16,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:16,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192675306] [2023-11-29 01:13:16,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:16,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:17,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:17,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192675306] [2023-11-29 01:13:17,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192675306] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:17,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:17,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:13:17,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039595315] [2023-11-29 01:13:17,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:17,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:13:17,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:17,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:13:17,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:13:17,061 INFO L87 Difference]: Start difference. First operand 2759 states and 3961 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 6 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) [2023-11-29 01:13:19,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:19,574 INFO L93 Difference]: Finished difference Result 4580 states and 6319 transitions. [2023-11-29 01:13:19,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:13:19,574 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 6 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 [2023-11-29 01:13:19,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:19,591 INFO L225 Difference]: With dead ends: 4580 [2023-11-29 01:13:19,591 INFO L226 Difference]: Without dead ends: 3475 [2023-11-29 01:13:19,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:13:19,594 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 7923 mSDsluCounter, 1971 mSDsCounter, 0 mSdLazyCounter, 3752 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7923 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 3753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:19,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7923 Valid, 3101 Invalid, 3753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3752 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 01:13:19,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3475 states. [2023-11-29 01:13:19,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3475 to 2759. [2023-11-29 01:13:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4548126377663482) internal successors, (3960), 2758 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3960 transitions. [2023-11-29 01:13:19,637 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3960 transitions. Word has length 124 [2023-11-29 01:13:19,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:19,638 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3960 transitions. [2023-11-29 01:13:19,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 6 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) [2023-11-29 01:13:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3960 transitions. [2023-11-29 01:13:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 01:13:19,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:19,641 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] [2023-11-29 01:13:19,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 01:13:19,641 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:19,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash 2082888358, now seen corresponding path program 1 times [2023-11-29 01:13:19,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:19,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600265992] [2023-11-29 01:13:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:19,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:20,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:20,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600265992] [2023-11-29 01:13:20,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600265992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:20,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:20,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:13:20,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523393938] [2023-11-29 01:13:20,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:20,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:13:20,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:20,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:13:20,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:13:20,033 INFO L87 Difference]: Start difference. First operand 2759 states and 3960 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 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) [2023-11-29 01:13:22,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:22,684 INFO L93 Difference]: Finished difference Result 3650 states and 5255 transitions. [2023-11-29 01:13:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:13:22,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 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 [2023-11-29 01:13:22,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:22,691 INFO L225 Difference]: With dead ends: 3650 [2023-11-29 01:13:22,691 INFO L226 Difference]: Without dead ends: 3049 [2023-11-29 01:13:22,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:13:22,693 INFO L413 NwaCegarLoop]: 2027 mSDtfsCounter, 5441 mSDsluCounter, 4503 mSDsCounter, 0 mSdLazyCounter, 4326 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5441 SdHoareTripleChecker+Valid, 6530 SdHoareTripleChecker+Invalid, 4330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:22,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5441 Valid, 6530 Invalid, 4330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4326 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-29 01:13:22,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3049 states. [2023-11-29 01:13:22,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3049 to 2759. [2023-11-29 01:13:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4544452608376195) internal successors, (3959), 2758 states have internal predecessors, (3959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3959 transitions. [2023-11-29 01:13:22,754 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3959 transitions. Word has length 124 [2023-11-29 01:13:22,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:22,755 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3959 transitions. [2023-11-29 01:13:22,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 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) [2023-11-29 01:13:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3959 transitions. [2023-11-29 01:13:22,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 01:13:22,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:22,760 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] [2023-11-29 01:13:22,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 01:13:22,761 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:22,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:22,761 INFO L85 PathProgramCache]: Analyzing trace with hash 722590670, now seen corresponding path program 1 times [2023-11-29 01:13:22,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:22,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515182387] [2023-11-29 01:13:22,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:22,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:23,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:23,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515182387] [2023-11-29 01:13:23,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515182387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:23,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:23,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:13:23,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300306500] [2023-11-29 01:13:23,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:23,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:13:23,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:23,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:13:23,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:13:23,334 INFO L87 Difference]: Start difference. First operand 2759 states and 3959 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 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) [2023-11-29 01:13:26,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:26,520 INFO L93 Difference]: Finished difference Result 4919 states and 7064 transitions. [2023-11-29 01:13:26,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:13:26,521 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 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 [2023-11-29 01:13:26,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:26,528 INFO L225 Difference]: With dead ends: 4919 [2023-11-29 01:13:26,528 INFO L226 Difference]: Without dead ends: 4633 [2023-11-29 01:13:26,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:13:26,530 INFO L413 NwaCegarLoop]: 1710 mSDtfsCounter, 11032 mSDsluCounter, 5638 mSDsCounter, 0 mSdLazyCounter, 6042 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11032 SdHoareTripleChecker+Valid, 7348 SdHoareTripleChecker+Invalid, 6046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:26,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11032 Valid, 7348 Invalid, 6046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6042 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:13:26,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4633 states. [2023-11-29 01:13:26,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4633 to 2759. [2023-11-29 01:13:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4540778839088906) internal successors, (3958), 2758 states have internal predecessors, (3958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3958 transitions. [2023-11-29 01:13:26,580 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3958 transitions. Word has length 124 [2023-11-29 01:13:26,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:26,581 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3958 transitions. [2023-11-29 01:13:26,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 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) [2023-11-29 01:13:26,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3958 transitions. [2023-11-29 01:13:26,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 01:13:26,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:26,585 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] [2023-11-29 01:13:26,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 01:13:26,585 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:26,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:26,586 INFO L85 PathProgramCache]: Analyzing trace with hash 46269361, now seen corresponding path program 1 times [2023-11-29 01:13:26,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:26,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407882390] [2023-11-29 01:13:26,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:26,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:27,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:27,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:27,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407882390] [2023-11-29 01:13:27,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407882390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:27,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:27,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:13:27,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076125052] [2023-11-29 01:13:27,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:27,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:13:27,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:27,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:13:27,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:13:27,139 INFO L87 Difference]: Start difference. First operand 2759 states and 3958 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:30,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:30,394 INFO L93 Difference]: Finished difference Result 5079 states and 7292 transitions. [2023-11-29 01:13:30,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:13:30,394 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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 [2023-11-29 01:13:30,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:30,402 INFO L225 Difference]: With dead ends: 5079 [2023-11-29 01:13:30,402 INFO L226 Difference]: Without dead ends: 4669 [2023-11-29 01:13:30,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:13:30,404 INFO L413 NwaCegarLoop]: 1928 mSDtfsCounter, 7028 mSDsluCounter, 5653 mSDsCounter, 0 mSdLazyCounter, 6270 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7028 SdHoareTripleChecker+Valid, 7581 SdHoareTripleChecker+Invalid, 6275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:30,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7028 Valid, 7581 Invalid, 6275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6270 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:13:30,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4669 states. [2023-11-29 01:13:30,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4669 to 2759. [2023-11-29 01:13:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4537105069801617) internal successors, (3957), 2758 states have internal predecessors, (3957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3957 transitions. [2023-11-29 01:13:30,453 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3957 transitions. Word has length 126 [2023-11-29 01:13:30,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:30,454 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3957 transitions. [2023-11-29 01:13:30,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3957 transitions. [2023-11-29 01:13:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 01:13:30,458 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:30,458 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] [2023-11-29 01:13:30,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 01:13:30,458 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:30,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:30,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1752134947, now seen corresponding path program 1 times [2023-11-29 01:13:30,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:30,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593394504] [2023-11-29 01:13:30,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:30,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:30,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:30,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:30,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593394504] [2023-11-29 01:13:30,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593394504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:30,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:30,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:13:30,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468801512] [2023-11-29 01:13:30,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:30,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:13:30,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:30,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:13:30,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:13:30,918 INFO L87 Difference]: Start difference. First operand 2759 states and 3957 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:35,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:35,097 INFO L93 Difference]: Finished difference Result 4919 states and 7062 transitions. [2023-11-29 01:13:35,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:13:35,097 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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 [2023-11-29 01:13:35,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:35,104 INFO L225 Difference]: With dead ends: 4919 [2023-11-29 01:13:35,104 INFO L226 Difference]: Without dead ends: 4633 [2023-11-29 01:13:35,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:13:35,105 INFO L413 NwaCegarLoop]: 2192 mSDtfsCounter, 8522 mSDsluCounter, 7930 mSDsCounter, 0 mSdLazyCounter, 7725 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8522 SdHoareTripleChecker+Valid, 10122 SdHoareTripleChecker+Invalid, 7729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:35,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8522 Valid, 10122 Invalid, 7729 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7725 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 01:13:35,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4633 states. [2023-11-29 01:13:35,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4633 to 2759. [2023-11-29 01:13:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4533431300514328) internal successors, (3956), 2758 states have internal predecessors, (3956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:35,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3956 transitions. [2023-11-29 01:13:35,151 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3956 transitions. Word has length 126 [2023-11-29 01:13:35,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:35,151 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3956 transitions. [2023-11-29 01:13:35,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:35,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3956 transitions. [2023-11-29 01:13:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 01:13:35,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:35,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:13:35,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 01:13:35,155 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:35,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:35,156 INFO L85 PathProgramCache]: Analyzing trace with hash -799382408, now seen corresponding path program 1 times [2023-11-29 01:13:35,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:35,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446095717] [2023-11-29 01:13:35,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:35,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:35,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:35,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446095717] [2023-11-29 01:13:35,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446095717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:35,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:35,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:13:35,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866966151] [2023-11-29 01:13:35,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:35,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:13:35,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:35,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:13:35,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:13:35,583 INFO L87 Difference]: Start difference. First operand 2759 states and 3956 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:39,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:39,142 INFO L93 Difference]: Finished difference Result 5043 states and 7248 transitions. [2023-11-29 01:13:39,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:13:39,142 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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 [2023-11-29 01:13:39,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:39,152 INFO L225 Difference]: With dead ends: 5043 [2023-11-29 01:13:39,152 INFO L226 Difference]: Without dead ends: 4669 [2023-11-29 01:13:39,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:13:39,155 INFO L413 NwaCegarLoop]: 1777 mSDtfsCounter, 10914 mSDsluCounter, 5789 mSDsCounter, 0 mSdLazyCounter, 6201 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10914 SdHoareTripleChecker+Valid, 7566 SdHoareTripleChecker+Invalid, 6206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:39,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10914 Valid, 7566 Invalid, 6206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 6201 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 01:13:39,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4669 states. [2023-11-29 01:13:39,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4669 to 2759. [2023-11-29 01:13:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4529757531227039) internal successors, (3955), 2758 states have internal predecessors, (3955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:39,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3955 transitions. [2023-11-29 01:13:39,222 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3955 transitions. Word has length 126 [2023-11-29 01:13:39,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:39,223 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3955 transitions. [2023-11-29 01:13:39,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3955 transitions. [2023-11-29 01:13:39,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 01:13:39,228 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:39,228 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] [2023-11-29 01:13:39,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 01:13:39,229 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:39,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:39,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1245745143, now seen corresponding path program 1 times [2023-11-29 01:13:39,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:39,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626325012] [2023-11-29 01:13:39,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:39,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:39,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:39,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626325012] [2023-11-29 01:13:39,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626325012] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:39,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:39,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:13:39,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711396556] [2023-11-29 01:13:39,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:39,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:13:39,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:39,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:13:39,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:13:39,746 INFO L87 Difference]: Start difference. First operand 2759 states and 3955 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:44,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:44,269 INFO L93 Difference]: Finished difference Result 4904 states and 7042 transitions. [2023-11-29 01:13:44,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:13:44,270 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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 [2023-11-29 01:13:44,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:44,282 INFO L225 Difference]: With dead ends: 4904 [2023-11-29 01:13:44,282 INFO L226 Difference]: Without dead ends: 4633 [2023-11-29 01:13:44,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:13:44,285 INFO L413 NwaCegarLoop]: 2446 mSDtfsCounter, 8547 mSDsluCounter, 8364 mSDsCounter, 0 mSdLazyCounter, 8102 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8547 SdHoareTripleChecker+Valid, 10810 SdHoareTripleChecker+Invalid, 8106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:44,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8547 Valid, 10810 Invalid, 8106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 8102 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 01:13:44,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4633 states. [2023-11-29 01:13:44,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4633 to 2759. [2023-11-29 01:13:44,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.452608376193975) internal successors, (3954), 2758 states have internal predecessors, (3954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:44,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3954 transitions. [2023-11-29 01:13:44,347 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3954 transitions. Word has length 126 [2023-11-29 01:13:44,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:44,347 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3954 transitions. [2023-11-29 01:13:44,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:44,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3954 transitions. [2023-11-29 01:13:44,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 01:13:44,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:44,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:13:44,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 01:13:44,353 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:44,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:44,354 INFO L85 PathProgramCache]: Analyzing trace with hash 836513129, now seen corresponding path program 1 times [2023-11-29 01:13:44,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:44,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107823423] [2023-11-29 01:13:44,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:44,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:44,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:44,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107823423] [2023-11-29 01:13:44,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107823423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:44,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:44,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:13:44,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056349253] [2023-11-29 01:13:44,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:44,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:13:44,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:44,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:13:44,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:13:44,765 INFO L87 Difference]: Start difference. First operand 2759 states and 3954 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:47,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:47,162 INFO L93 Difference]: Finished difference Result 4159 states and 5958 transitions. [2023-11-29 01:13:47,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:13:47,162 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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 [2023-11-29 01:13:47,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:47,165 INFO L225 Difference]: With dead ends: 4159 [2023-11-29 01:13:47,166 INFO L226 Difference]: Without dead ends: 3049 [2023-11-29 01:13:47,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:13:47,167 INFO L413 NwaCegarLoop]: 1533 mSDtfsCounter, 5450 mSDsluCounter, 4477 mSDsCounter, 0 mSdLazyCounter, 4934 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5450 SdHoareTripleChecker+Valid, 6010 SdHoareTripleChecker+Invalid, 4939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:47,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5450 Valid, 6010 Invalid, 4939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4934 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 01:13:47,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3049 states. [2023-11-29 01:13:47,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3049 to 2759. [2023-11-29 01:13:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4518736223365172) internal successors, (3952), 2758 states have internal predecessors, (3952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3952 transitions. [2023-11-29 01:13:47,195 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3952 transitions. Word has length 126 [2023-11-29 01:13:47,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:47,195 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3952 transitions. [2023-11-29 01:13:47,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:47,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3952 transitions. [2023-11-29 01:13:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 01:13:47,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:47,198 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] [2023-11-29 01:13:47,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 01:13:47,199 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:47,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:47,199 INFO L85 PathProgramCache]: Analyzing trace with hash 566046673, now seen corresponding path program 1 times [2023-11-29 01:13:47,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:47,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291691035] [2023-11-29 01:13:47,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:47,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:47,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:47,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291691035] [2023-11-29 01:13:47,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291691035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:47,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:47,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:13:47,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394336796] [2023-11-29 01:13:47,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:47,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:13:47,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:47,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:13:47,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:13:47,769 INFO L87 Difference]: Start difference. First operand 2759 states and 3952 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:52,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:52,014 INFO L93 Difference]: Finished difference Result 5011 states and 7193 transitions. [2023-11-29 01:13:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:13:52,014 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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 [2023-11-29 01:13:52,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:52,020 INFO L225 Difference]: With dead ends: 5011 [2023-11-29 01:13:52,020 INFO L226 Difference]: Without dead ends: 4633 [2023-11-29 01:13:52,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:13:52,022 INFO L413 NwaCegarLoop]: 2572 mSDtfsCounter, 8505 mSDsluCounter, 8545 mSDsCounter, 0 mSdLazyCounter, 8249 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8505 SdHoareTripleChecker+Valid, 11117 SdHoareTripleChecker+Invalid, 8252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:52,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8505 Valid, 11117 Invalid, 8252 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 8249 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 01:13:52,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4633 states. [2023-11-29 01:13:52,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4633 to 2759. [2023-11-29 01:13:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4511388684790596) internal successors, (3950), 2758 states have internal predecessors, (3950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3950 transitions. [2023-11-29 01:13:52,060 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3950 transitions. Word has length 126 [2023-11-29 01:13:52,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:52,060 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3950 transitions. [2023-11-29 01:13:52,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:52,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3950 transitions. [2023-11-29 01:13:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 01:13:52,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:52,063 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] [2023-11-29 01:13:52,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 01:13:52,063 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:52,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:52,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1930516315, now seen corresponding path program 1 times [2023-11-29 01:13:52,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:52,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765296580] [2023-11-29 01:13:52,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:52,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:52,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:52,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765296580] [2023-11-29 01:13:52,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765296580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:52,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:52,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:13:52,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456720928] [2023-11-29 01:13:52,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:52,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:13:52,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:52,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:13:52,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:13:52,492 INFO L87 Difference]: Start difference. First operand 2759 states and 3950 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:56,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:56,311 INFO L93 Difference]: Finished difference Result 5259 states and 7547 transitions. [2023-11-29 01:13:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:13:56,312 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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 [2023-11-29 01:13:56,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:56,316 INFO L225 Difference]: With dead ends: 5259 [2023-11-29 01:13:56,316 INFO L226 Difference]: Without dead ends: 4669 [2023-11-29 01:13:56,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:13:56,318 INFO L413 NwaCegarLoop]: 2301 mSDtfsCounter, 8864 mSDsluCounter, 7270 mSDsCounter, 0 mSdLazyCounter, 7749 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8864 SdHoareTripleChecker+Valid, 9571 SdHoareTripleChecker+Invalid, 7752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:56,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8864 Valid, 9571 Invalid, 7752 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7749 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:13:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4669 states. [2023-11-29 01:13:56,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4669 to 2759. [2023-11-29 01:13:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4504041146216018) internal successors, (3948), 2758 states have internal predecessors, (3948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:13:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3948 transitions. [2023-11-29 01:13:56,365 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3948 transitions. Word has length 126 [2023-11-29 01:13:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:56,365 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3948 transitions. [2023-11-29 01:13:56,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 7 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) [2023-11-29 01:13:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3948 transitions. [2023-11-29 01:13:56,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:13:56,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:56,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:13:56,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 01:13:56,370 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:13:56,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:56,371 INFO L85 PathProgramCache]: Analyzing trace with hash -694037780, now seen corresponding path program 1 times [2023-11-29 01:13:56,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:13:56,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740240128] [2023-11-29 01:13:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:56,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:13:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:13:56,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:13:56,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740240128] [2023-11-29 01:13:56,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740240128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:56,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:56,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:13:56,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364341256] [2023-11-29 01:13:56,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:56,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:13:56,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:13:56,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:13:56,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:13:56,863 INFO L87 Difference]: Start difference. First operand 2759 states and 3948 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:00,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:00,830 INFO L93 Difference]: Finished difference Result 4847 states and 6940 transitions. [2023-11-29 01:14:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:14:00,831 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:00,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:00,836 INFO L225 Difference]: With dead ends: 4847 [2023-11-29 01:14:00,836 INFO L226 Difference]: Without dead ends: 4609 [2023-11-29 01:14:00,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:14:00,838 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 8410 mSDsluCounter, 7654 mSDsCounter, 0 mSdLazyCounter, 7643 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8410 SdHoareTripleChecker+Valid, 9712 SdHoareTripleChecker+Invalid, 7647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:00,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8410 Valid, 9712 Invalid, 7647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7643 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 01:14:00,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4609 states. [2023-11-29 01:14:00,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4609 to 2759. [2023-11-29 01:14:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.450036737692873) internal successors, (3947), 2758 states have internal predecessors, (3947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:00,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3947 transitions. [2023-11-29 01:14:00,896 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3947 transitions. Word has length 128 [2023-11-29 01:14:00,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:00,897 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3947 transitions. [2023-11-29 01:14:00,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3947 transitions. [2023-11-29 01:14:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:00,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:00,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:00,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 01:14:00,901 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:00,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:00,902 INFO L85 PathProgramCache]: Analyzing trace with hash -816860202, now seen corresponding path program 1 times [2023-11-29 01:14:00,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:00,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009973890] [2023-11-29 01:14:00,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:00,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:01,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:01,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009973890] [2023-11-29 01:14:01,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009973890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:01,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:01,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:14:01,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311781534] [2023-11-29 01:14:01,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:01,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:14:01,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:01,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:14:01,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:14:01,297 INFO L87 Difference]: Start difference. First operand 2759 states and 3947 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:05,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:05,100 INFO L93 Difference]: Finished difference Result 4940 states and 7071 transitions. [2023-11-29 01:14:05,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:14:05,100 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:05,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:05,105 INFO L225 Difference]: With dead ends: 4940 [2023-11-29 01:14:05,105 INFO L226 Difference]: Without dead ends: 4633 [2023-11-29 01:14:05,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:14:05,107 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 5923 mSDsluCounter, 7093 mSDsCounter, 0 mSdLazyCounter, 7742 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5923 SdHoareTripleChecker+Valid, 9381 SdHoareTripleChecker+Invalid, 7746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:05,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5923 Valid, 9381 Invalid, 7746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7742 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:14:05,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4633 states. [2023-11-29 01:14:05,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4633 to 2759. [2023-11-29 01:14:05,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.449669360764144) internal successors, (3946), 2758 states have internal predecessors, (3946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3946 transitions. [2023-11-29 01:14:05,183 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3946 transitions. Word has length 128 [2023-11-29 01:14:05,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:05,183 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3946 transitions. [2023-11-29 01:14:05,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3946 transitions. [2023-11-29 01:14:05,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:05,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:05,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:05,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 01:14:05,187 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:05,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:05,188 INFO L85 PathProgramCache]: Analyzing trace with hash 401924492, now seen corresponding path program 1 times [2023-11-29 01:14:05,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:05,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566479271] [2023-11-29 01:14:05,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:05,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:05,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:05,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566479271] [2023-11-29 01:14:05,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566479271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:05,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:05,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:14:05,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072055869] [2023-11-29 01:14:05,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:05,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:14:05,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:05,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:14:05,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:14:05,688 INFO L87 Difference]: Start difference. First operand 2759 states and 3946 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:09,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:09,930 INFO L93 Difference]: Finished difference Result 4840 states and 6931 transitions. [2023-11-29 01:14:09,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:14:09,930 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:09,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:09,934 INFO L225 Difference]: With dead ends: 4840 [2023-11-29 01:14:09,934 INFO L226 Difference]: Without dead ends: 4609 [2023-11-29 01:14:09,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:14:09,936 INFO L413 NwaCegarLoop]: 2327 mSDtfsCounter, 8384 mSDsluCounter, 8115 mSDsCounter, 0 mSdLazyCounter, 8012 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8384 SdHoareTripleChecker+Valid, 10442 SdHoareTripleChecker+Invalid, 8015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:09,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8384 Valid, 10442 Invalid, 8015 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 8012 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-29 01:14:09,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4609 states. [2023-11-29 01:14:09,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4609 to 2759. [2023-11-29 01:14:09,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.449301983835415) internal successors, (3945), 2758 states have internal predecessors, (3945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:09,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3945 transitions. [2023-11-29 01:14:09,977 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3945 transitions. Word has length 128 [2023-11-29 01:14:09,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:09,977 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3945 transitions. [2023-11-29 01:14:09,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:09,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3945 transitions. [2023-11-29 01:14:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:09,980 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:09,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:09,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 01:14:09,980 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:09,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:09,981 INFO L85 PathProgramCache]: Analyzing trace with hash -878123750, now seen corresponding path program 1 times [2023-11-29 01:14:09,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:09,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138788561] [2023-11-29 01:14:09,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:09,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:10,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:10,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138788561] [2023-11-29 01:14:10,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138788561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:10,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:10,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:14:10,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942285590] [2023-11-29 01:14:10,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:10,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:14:10,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:10,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:14:10,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:14:10,646 INFO L87 Difference]: Start difference. First operand 2759 states and 3945 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:16,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:16,379 INFO L93 Difference]: Finished difference Result 6297 states and 9048 transitions. [2023-11-29 01:14:16,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:14:16,380 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:16,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:16,385 INFO L225 Difference]: With dead ends: 6297 [2023-11-29 01:14:16,386 INFO L226 Difference]: Without dead ends: 6059 [2023-11-29 01:14:16,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:14:16,388 INFO L413 NwaCegarLoop]: 2084 mSDtfsCounter, 17299 mSDsluCounter, 7423 mSDsCounter, 0 mSdLazyCounter, 8006 mSolverCounterSat, 515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17299 SdHoareTripleChecker+Valid, 9507 SdHoareTripleChecker+Invalid, 8521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 8006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:16,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17299 Valid, 9507 Invalid, 8521 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [515 Valid, 8006 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 01:14:16,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6059 states. [2023-11-29 01:14:16,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6059 to 2763. [2023-11-29 01:14:16,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2726 states have (on average 1.4486426999266324) internal successors, (3949), 2762 states have internal predecessors, (3949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3949 transitions. [2023-11-29 01:14:16,437 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 3949 transitions. Word has length 128 [2023-11-29 01:14:16,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:16,437 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 3949 transitions. [2023-11-29 01:14:16,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3949 transitions. [2023-11-29 01:14:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:16,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:16,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:16,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 01:14:16,441 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:16,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:16,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1594385788, now seen corresponding path program 1 times [2023-11-29 01:14:16,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:16,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689403701] [2023-11-29 01:14:16,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:16,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:16,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:16,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689403701] [2023-11-29 01:14:16,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689403701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:16,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:16,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:14:16,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144778874] [2023-11-29 01:14:16,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:16,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:14:16,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:16,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:14:16,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:14:16,890 INFO L87 Difference]: Start difference. First operand 2763 states and 3949 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:21,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:21,283 INFO L93 Difference]: Finished difference Result 4840 states and 6929 transitions. [2023-11-29 01:14:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:14:21,284 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:21,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:21,288 INFO L225 Difference]: With dead ends: 4840 [2023-11-29 01:14:21,288 INFO L226 Difference]: Without dead ends: 4609 [2023-11-29 01:14:21,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:14:21,290 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 8381 mSDsluCounter, 8011 mSDsCounter, 0 mSdLazyCounter, 7905 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8381 SdHoareTripleChecker+Valid, 10270 SdHoareTripleChecker+Invalid, 7908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:21,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8381 Valid, 10270 Invalid, 7908 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7905 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 01:14:21,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4609 states. [2023-11-29 01:14:21,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4609 to 2763. [2023-11-29 01:14:21,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2726 states have (on average 1.4482758620689655) internal successors, (3948), 2762 states have internal predecessors, (3948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3948 transitions. [2023-11-29 01:14:21,327 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 3948 transitions. Word has length 128 [2023-11-29 01:14:21,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:21,327 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 3948 transitions. [2023-11-29 01:14:21,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3948 transitions. [2023-11-29 01:14:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:21,331 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:21,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:21,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 01:14:21,331 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:21,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:21,332 INFO L85 PathProgramCache]: Analyzing trace with hash 315105135, now seen corresponding path program 1 times [2023-11-29 01:14:21,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:21,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142894866] [2023-11-29 01:14:21,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:21,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:21,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:21,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142894866] [2023-11-29 01:14:21,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142894866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:21,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:21,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:14:21,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678193744] [2023-11-29 01:14:21,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:21,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:14:21,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:21,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:14:21,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:14:21,936 INFO L87 Difference]: Start difference. First operand 2763 states and 3948 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:28,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:28,377 INFO L93 Difference]: Finished difference Result 6297 states and 9044 transitions. [2023-11-29 01:14:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:14:28,378 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:28,384 INFO L225 Difference]: With dead ends: 6297 [2023-11-29 01:14:28,384 INFO L226 Difference]: Without dead ends: 6059 [2023-11-29 01:14:28,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:14:28,387 INFO L413 NwaCegarLoop]: 2125 mSDtfsCounter, 16534 mSDsluCounter, 9677 mSDsCounter, 0 mSdLazyCounter, 10000 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16534 SdHoareTripleChecker+Valid, 11802 SdHoareTripleChecker+Invalid, 10521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 10000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:28,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16534 Valid, 11802 Invalid, 10521 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [521 Valid, 10000 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-29 01:14:28,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6059 states. [2023-11-29 01:14:28,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6059 to 2767. [2023-11-29 01:14:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 2730 states have (on average 1.4476190476190476) internal successors, (3952), 2766 states have internal predecessors, (3952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3952 transitions. [2023-11-29 01:14:28,440 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3952 transitions. Word has length 128 [2023-11-29 01:14:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:28,441 INFO L495 AbstractCegarLoop]: Abstraction has 2767 states and 3952 transitions. [2023-11-29 01:14:28,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3952 transitions. [2023-11-29 01:14:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:28,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:28,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:28,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 01:14:28,447 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:28,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:28,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1354403912, now seen corresponding path program 1 times [2023-11-29 01:14:28,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:28,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191959437] [2023-11-29 01:14:28,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:28,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:29,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:29,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191959437] [2023-11-29 01:14:29,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191959437] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:29,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:29,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:14:29,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778449074] [2023-11-29 01:14:29,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:29,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:14:29,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:29,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:14:29,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:14:29,031 INFO L87 Difference]: Start difference. First operand 2767 states and 3952 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:34,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:34,577 INFO L93 Difference]: Finished difference Result 6283 states and 9031 transitions. [2023-11-29 01:14:34,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:14:34,577 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:34,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:34,584 INFO L225 Difference]: With dead ends: 6283 [2023-11-29 01:14:34,584 INFO L226 Difference]: Without dead ends: 6052 [2023-11-29 01:14:34,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:14:34,587 INFO L413 NwaCegarLoop]: 2004 mSDtfsCounter, 17761 mSDsluCounter, 7188 mSDsCounter, 0 mSdLazyCounter, 7727 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17761 SdHoareTripleChecker+Valid, 9192 SdHoareTripleChecker+Invalid, 8266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 7727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:34,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17761 Valid, 9192 Invalid, 8266 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [539 Valid, 7727 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-29 01:14:34,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6052 states. [2023-11-29 01:14:34,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6052 to 2771. [2023-11-29 01:14:34,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2734 states have (on average 1.446964155084126) internal successors, (3956), 2770 states have internal predecessors, (3956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3956 transitions. [2023-11-29 01:14:34,632 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3956 transitions. Word has length 128 [2023-11-29 01:14:34,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:34,632 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3956 transitions. [2023-11-29 01:14:34,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:34,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3956 transitions. [2023-11-29 01:14:34,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:34,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:34,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:34,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 01:14:34,637 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:34,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:34,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1657919886, now seen corresponding path program 1 times [2023-11-29 01:14:34,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:34,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760125311] [2023-11-29 01:14:34,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:34,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:35,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:35,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:35,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760125311] [2023-11-29 01:14:35,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760125311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:35,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:35,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:14:35,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004048699] [2023-11-29 01:14:35,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:35,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:14:35,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:35,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:14:35,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:14:35,011 INFO L87 Difference]: Start difference. First operand 2771 states and 3956 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:39,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:39,026 INFO L93 Difference]: Finished difference Result 4832 states and 6915 transitions. [2023-11-29 01:14:39,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:14:39,026 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:39,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:39,030 INFO L225 Difference]: With dead ends: 4832 [2023-11-29 01:14:39,030 INFO L226 Difference]: Without dead ends: 4609 [2023-11-29 01:14:39,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:14:39,032 INFO L413 NwaCegarLoop]: 2002 mSDtfsCounter, 8403 mSDsluCounter, 7610 mSDsCounter, 0 mSdLazyCounter, 7533 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8403 SdHoareTripleChecker+Valid, 9612 SdHoareTripleChecker+Invalid, 7537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:39,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8403 Valid, 9612 Invalid, 7537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7533 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 01:14:39,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4609 states. [2023-11-29 01:14:39,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4609 to 2771. [2023-11-29 01:14:39,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2734 states have (on average 1.4465983906364301) internal successors, (3955), 2770 states have internal predecessors, (3955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3955 transitions. [2023-11-29 01:14:39,069 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3955 transitions. Word has length 128 [2023-11-29 01:14:39,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:39,070 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3955 transitions. [2023-11-29 01:14:39,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:39,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3955 transitions. [2023-11-29 01:14:39,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:39,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:39,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:39,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 01:14:39,073 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:39,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:39,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1809116301, now seen corresponding path program 1 times [2023-11-29 01:14:39,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:39,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577286850] [2023-11-29 01:14:39,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:39,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:39,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:39,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577286850] [2023-11-29 01:14:39,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577286850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:39,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:39,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:14:39,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732258493] [2023-11-29 01:14:39,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:39,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:14:39,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:39,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:14:39,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:14:39,434 INFO L87 Difference]: Start difference. First operand 2771 states and 3955 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:43,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:43,533 INFO L93 Difference]: Finished difference Result 5059 states and 7233 transitions. [2023-11-29 01:14:43,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:14:43,534 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:43,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:43,537 INFO L225 Difference]: With dead ends: 5059 [2023-11-29 01:14:43,537 INFO L226 Difference]: Without dead ends: 4649 [2023-11-29 01:14:43,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:14:43,539 INFO L413 NwaCegarLoop]: 2722 mSDtfsCounter, 8846 mSDsluCounter, 8647 mSDsCounter, 0 mSdLazyCounter, 8227 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8846 SdHoareTripleChecker+Valid, 11369 SdHoareTripleChecker+Invalid, 8232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:43,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8846 Valid, 11369 Invalid, 8232 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 8227 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:14:43,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2023-11-29 01:14:43,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 2771. [2023-11-29 01:14:43,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2734 states have (on average 1.4458668617410388) internal successors, (3953), 2770 states have internal predecessors, (3953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:43,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3953 transitions. [2023-11-29 01:14:43,574 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3953 transitions. Word has length 128 [2023-11-29 01:14:43,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:43,574 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3953 transitions. [2023-11-29 01:14:43,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:43,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3953 transitions. [2023-11-29 01:14:43,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:43,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:43,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:43,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 01:14:43,577 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:43,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:43,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1931938723, now seen corresponding path program 1 times [2023-11-29 01:14:43,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:43,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975772010] [2023-11-29 01:14:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:43,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:43,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:43,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975772010] [2023-11-29 01:14:43,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975772010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:43,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:43,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:14:43,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94084690] [2023-11-29 01:14:43,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:43,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:14:43,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:43,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:14:43,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:14:43,971 INFO L87 Difference]: Start difference. First operand 2771 states and 3953 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:48,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:48,026 INFO L93 Difference]: Finished difference Result 4895 states and 7000 transitions. [2023-11-29 01:14:48,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:14:48,026 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:48,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:48,031 INFO L225 Difference]: With dead ends: 4895 [2023-11-29 01:14:48,031 INFO L226 Difference]: Without dead ends: 4609 [2023-11-29 01:14:48,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:14:48,033 INFO L413 NwaCegarLoop]: 2172 mSDtfsCounter, 8388 mSDsluCounter, 7879 mSDsCounter, 0 mSdLazyCounter, 7743 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8388 SdHoareTripleChecker+Valid, 10051 SdHoareTripleChecker+Invalid, 7747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:48,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8388 Valid, 10051 Invalid, 7747 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7743 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:14:48,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4609 states. [2023-11-29 01:14:48,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4609 to 2771. [2023-11-29 01:14:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2734 states have (on average 1.4451353328456473) internal successors, (3951), 2770 states have internal predecessors, (3951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:48,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3951 transitions. [2023-11-29 01:14:48,072 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3951 transitions. Word has length 128 [2023-11-29 01:14:48,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:48,072 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3951 transitions. [2023-11-29 01:14:48,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3951 transitions. [2023-11-29 01:14:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:48,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:48,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:48,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 01:14:48,076 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:48,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:48,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2009581056, now seen corresponding path program 1 times [2023-11-29 01:14:48,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:48,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847665346] [2023-11-29 01:14:48,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:48,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:48,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:48,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847665346] [2023-11-29 01:14:48,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847665346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:48,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:48,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:14:48,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849887502] [2023-11-29 01:14:48,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:48,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:14:48,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:48,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:14:48,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:14:48,458 INFO L87 Difference]: Start difference. First operand 2771 states and 3951 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:52,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:52,397 INFO L93 Difference]: Finished difference Result 4891 states and 6992 transitions. [2023-11-29 01:14:52,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:14:52,398 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:52,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:52,402 INFO L225 Difference]: With dead ends: 4891 [2023-11-29 01:14:52,402 INFO L226 Difference]: Without dead ends: 4609 [2023-11-29 01:14:52,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:14:52,404 INFO L413 NwaCegarLoop]: 2172 mSDtfsCounter, 8384 mSDsluCounter, 7883 mSDsCounter, 0 mSdLazyCounter, 7736 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8384 SdHoareTripleChecker+Valid, 10055 SdHoareTripleChecker+Invalid, 7740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:52,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8384 Valid, 10055 Invalid, 7740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7736 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 01:14:52,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4609 states. [2023-11-29 01:14:52,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4609 to 2771. [2023-11-29 01:14:52,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2734 states have (on average 1.444403803950256) internal successors, (3949), 2770 states have internal predecessors, (3949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3949 transitions. [2023-11-29 01:14:52,442 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3949 transitions. Word has length 128 [2023-11-29 01:14:52,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:52,442 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3949 transitions. [2023-11-29 01:14:52,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:52,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3949 transitions. [2023-11-29 01:14:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:52,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:52,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:52,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 01:14:52,445 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:52,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:52,445 INFO L85 PathProgramCache]: Analyzing trace with hash 283054880, now seen corresponding path program 1 times [2023-11-29 01:14:52,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:52,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444757038] [2023-11-29 01:14:52,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:52,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:53,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:53,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:53,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444757038] [2023-11-29 01:14:53,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444757038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:53,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:53,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:14:53,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581408169] [2023-11-29 01:14:53,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:53,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:14:53,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:53,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:14:53,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:14:53,005 INFO L87 Difference]: Start difference. First operand 2771 states and 3949 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:59,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:14:59,088 INFO L93 Difference]: Finished difference Result 6801 states and 9758 transitions. [2023-11-29 01:14:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:14:59,089 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:14:59,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:14:59,094 INFO L225 Difference]: With dead ends: 6801 [2023-11-29 01:14:59,094 INFO L226 Difference]: Without dead ends: 6411 [2023-11-29 01:14:59,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:14:59,096 INFO L413 NwaCegarLoop]: 2478 mSDtfsCounter, 16031 mSDsluCounter, 9020 mSDsCounter, 0 mSdLazyCounter, 9466 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16031 SdHoareTripleChecker+Valid, 11498 SdHoareTripleChecker+Invalid, 9917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 9466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:14:59,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16031 Valid, 11498 Invalid, 9917 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [451 Valid, 9466 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-29 01:14:59,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6411 states. [2023-11-29 01:14:59,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6411 to 2779. [2023-11-29 01:14:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2742 states have (on average 1.4431072210065645) internal successors, (3957), 2778 states have internal predecessors, (3957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:59,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3957 transitions. [2023-11-29 01:14:59,134 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3957 transitions. Word has length 128 [2023-11-29 01:14:59,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:14:59,134 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 3957 transitions. [2023-11-29 01:14:59,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:14:59,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3957 transitions. [2023-11-29 01:14:59,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:14:59,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:14:59,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:14:59,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 01:14:59,136 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:14:59,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:14:59,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2101300270, now seen corresponding path program 1 times [2023-11-29 01:14:59,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:14:59,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144451220] [2023-11-29 01:14:59,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:14:59,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:14:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:14:59,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:14:59,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:14:59,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144451220] [2023-11-29 01:14:59,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144451220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:14:59,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:14:59,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:14:59,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608432657] [2023-11-29 01:14:59,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:14:59,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:14:59,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:14:59,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:14:59,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:14:59,669 INFO L87 Difference]: Start difference. First operand 2779 states and 3957 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:05,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:05,862 INFO L93 Difference]: Finished difference Result 6393 states and 9173 transitions. [2023-11-29 01:15:05,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:15:05,862 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:15:05,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:05,868 INFO L225 Difference]: With dead ends: 6393 [2023-11-29 01:15:05,868 INFO L226 Difference]: Without dead ends: 6111 [2023-11-29 01:15:05,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:15:05,870 INFO L413 NwaCegarLoop]: 2064 mSDtfsCounter, 17311 mSDsluCounter, 9369 mSDsCounter, 0 mSdLazyCounter, 9580 mSolverCounterSat, 528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17311 SdHoareTripleChecker+Valid, 11433 SdHoareTripleChecker+Invalid, 10108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 528 IncrementalHoareTripleChecker+Valid, 9580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:05,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17311 Valid, 11433 Invalid, 10108 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [528 Valid, 9580 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-29 01:15:05,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6111 states. [2023-11-29 01:15:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6111 to 2787. [2023-11-29 01:15:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2787 states, 2750 states have (on average 1.4418181818181819) internal successors, (3965), 2786 states have internal predecessors, (3965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 3965 transitions. [2023-11-29 01:15:05,917 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 3965 transitions. Word has length 128 [2023-11-29 01:15:05,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:05,917 INFO L495 AbstractCegarLoop]: Abstraction has 2787 states and 3965 transitions. [2023-11-29 01:15:05,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3965 transitions. [2023-11-29 01:15:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 01:15:05,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:05,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:05,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 01:15:05,920 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:15:05,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:05,921 INFO L85 PathProgramCache]: Analyzing trace with hash -911959481, now seen corresponding path program 1 times [2023-11-29 01:15:05,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:05,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661388052] [2023-11-29 01:15:05,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:05,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:15:06,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:06,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661388052] [2023-11-29 01:15:06,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661388052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:06,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:06,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:15:06,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605884868] [2023-11-29 01:15:06,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:06,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:15:06,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:06,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:15:06,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:15:06,348 INFO L87 Difference]: Start difference. First operand 2787 states and 3965 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:10,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:10,090 INFO L93 Difference]: Finished difference Result 4891 states and 6989 transitions. [2023-11-29 01:15:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:15:10,090 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-29 01:15:10,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:10,094 INFO L225 Difference]: With dead ends: 4891 [2023-11-29 01:15:10,094 INFO L226 Difference]: Without dead ends: 4617 [2023-11-29 01:15:10,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:15:10,096 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 8365 mSDsluCounter, 7782 mSDsCounter, 0 mSdLazyCounter, 7634 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8365 SdHoareTripleChecker+Valid, 9883 SdHoareTripleChecker+Invalid, 7638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:10,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8365 Valid, 9883 Invalid, 7638 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7634 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:15:10,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4617 states. [2023-11-29 01:15:10,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4617 to 2787. [2023-11-29 01:15:10,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2787 states, 2750 states have (on average 1.4410909090909092) internal successors, (3963), 2786 states have internal predecessors, (3963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:10,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 3963 transitions. [2023-11-29 01:15:10,134 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 3963 transitions. Word has length 128 [2023-11-29 01:15:10,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:10,134 INFO L495 AbstractCegarLoop]: Abstraction has 2787 states and 3963 transitions. [2023-11-29 01:15:10,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3963 transitions. [2023-11-29 01:15:10,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 01:15:10,137 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:10,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:10,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 01:15:10,138 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:15:10,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:10,138 INFO L85 PathProgramCache]: Analyzing trace with hash -726381505, now seen corresponding path program 1 times [2023-11-29 01:15:10,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:10,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548499637] [2023-11-29 01:15:10,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:10,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:15:10,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:10,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548499637] [2023-11-29 01:15:10,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548499637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:10,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:10,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:15:10,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534584899] [2023-11-29 01:15:10,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:10,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:15:10,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:10,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:15:10,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:15:10,471 INFO L87 Difference]: Start difference. First operand 2787 states and 3963 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:14,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:14,086 INFO L93 Difference]: Finished difference Result 4855 states and 6930 transitions. [2023-11-29 01:15:14,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:15:14,086 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2023-11-29 01:15:14,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:14,091 INFO L225 Difference]: With dead ends: 4855 [2023-11-29 01:15:14,091 INFO L226 Difference]: Without dead ends: 4617 [2023-11-29 01:15:14,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:15:14,093 INFO L413 NwaCegarLoop]: 1959 mSDtfsCounter, 9645 mSDsluCounter, 6267 mSDsCounter, 0 mSdLazyCounter, 6791 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9645 SdHoareTripleChecker+Valid, 8226 SdHoareTripleChecker+Invalid, 6795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:14,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9645 Valid, 8226 Invalid, 6795 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6791 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:15:14,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4617 states. [2023-11-29 01:15:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4617 to 2783. [2023-11-29 01:15:14,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2783 states, 2746 states have (on average 1.4413692643845593) internal successors, (3958), 2782 states have internal predecessors, (3958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2783 states and 3958 transitions. [2023-11-29 01:15:14,130 INFO L78 Accepts]: Start accepts. Automaton has 2783 states and 3958 transitions. Word has length 129 [2023-11-29 01:15:14,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:14,130 INFO L495 AbstractCegarLoop]: Abstraction has 2783 states and 3958 transitions. [2023-11-29 01:15:14,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3958 transitions. [2023-11-29 01:15:14,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 01:15:14,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:14,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:14,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 01:15:14,133 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:15:14,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:14,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1903976335, now seen corresponding path program 1 times [2023-11-29 01:15:14,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:14,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001000145] [2023-11-29 01:15:14,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:14,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:15:14,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:14,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001000145] [2023-11-29 01:15:14,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001000145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:14,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:14,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 01:15:14,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233607123] [2023-11-29 01:15:14,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:14,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 01:15:14,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:14,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 01:15:14,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:15:14,733 INFO L87 Difference]: Start difference. First operand 2783 states and 3958 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:22,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:22,624 INFO L93 Difference]: Finished difference Result 6529 states and 9319 transitions. [2023-11-29 01:15:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 01:15:22,624 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2023-11-29 01:15:22,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:22,629 INFO L225 Difference]: With dead ends: 6529 [2023-11-29 01:15:22,629 INFO L226 Difference]: Without dead ends: 6291 [2023-11-29 01:15:22,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=216, Invalid=776, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:15:22,631 INFO L413 NwaCegarLoop]: 2930 mSDtfsCounter, 11362 mSDsluCounter, 15001 mSDsCounter, 0 mSdLazyCounter, 14674 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11362 SdHoareTripleChecker+Valid, 17931 SdHoareTripleChecker+Invalid, 14680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:22,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11362 Valid, 17931 Invalid, 14680 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 14674 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-11-29 01:15:22,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6291 states. [2023-11-29 01:15:22,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6291 to 2779. [2023-11-29 01:15:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2742 states have (on average 1.4416484318016047) internal successors, (3953), 2778 states have internal predecessors, (3953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3953 transitions. [2023-11-29 01:15:22,671 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3953 transitions. Word has length 129 [2023-11-29 01:15:22,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:22,672 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 3953 transitions. [2023-11-29 01:15:22,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3953 transitions. [2023-11-29 01:15:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 01:15:22,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:22,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:22,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 01:15:22,674 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:15:22,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:22,675 INFO L85 PathProgramCache]: Analyzing trace with hash -782812435, now seen corresponding path program 1 times [2023-11-29 01:15:22,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:22,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410756266] [2023-11-29 01:15:22,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:22,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:15:23,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:23,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410756266] [2023-11-29 01:15:23,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410756266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:23,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:23,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:15:23,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805571355] [2023-11-29 01:15:23,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:23,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:15:23,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:23,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:15:23,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:15:23,021 INFO L87 Difference]: Start difference. First operand 2779 states and 3953 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:26,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:26,619 INFO L93 Difference]: Finished difference Result 4848 states and 6921 transitions. [2023-11-29 01:15:26,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:15:26,619 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2023-11-29 01:15:26,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:26,623 INFO L225 Difference]: With dead ends: 4848 [2023-11-29 01:15:26,623 INFO L226 Difference]: Without dead ends: 4617 [2023-11-29 01:15:26,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:15:26,625 INFO L413 NwaCegarLoop]: 2084 mSDtfsCounter, 6103 mSDsluCounter, 6648 mSDsCounter, 0 mSdLazyCounter, 7262 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6103 SdHoareTripleChecker+Valid, 8732 SdHoareTripleChecker+Invalid, 7265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:26,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6103 Valid, 8732 Invalid, 7265 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7262 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:15:26,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4617 states. [2023-11-29 01:15:26,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4617 to 2775. [2023-11-29 01:15:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.4419284149013878) internal successors, (3948), 2774 states have internal predecessors, (3948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3948 transitions. [2023-11-29 01:15:26,659 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3948 transitions. Word has length 129 [2023-11-29 01:15:26,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:26,659 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3948 transitions. [2023-11-29 01:15:26,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3948 transitions. [2023-11-29 01:15:26,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 01:15:26,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:26,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:26,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 01:15:26,663 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:15:26,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:26,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1793174152, now seen corresponding path program 1 times [2023-11-29 01:15:26,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:26,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791354318] [2023-11-29 01:15:26,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:26,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:15:26,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:26,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791354318] [2023-11-29 01:15:26,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791354318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:26,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:26,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:15:26,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807627770] [2023-11-29 01:15:26,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:26,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:15:26,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:26,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:15:26,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:15:26,972 INFO L87 Difference]: Start difference. First operand 2775 states and 3948 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:31,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:31,036 INFO L93 Difference]: Finished difference Result 5031 states and 7178 transitions. [2023-11-29 01:15:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:15:31,036 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2023-11-29 01:15:31,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:31,041 INFO L225 Difference]: With dead ends: 5031 [2023-11-29 01:15:31,041 INFO L226 Difference]: Without dead ends: 4641 [2023-11-29 01:15:31,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:15:31,043 INFO L413 NwaCegarLoop]: 2356 mSDtfsCounter, 8395 mSDsluCounter, 7317 mSDsCounter, 0 mSdLazyCounter, 7887 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8395 SdHoareTripleChecker+Valid, 9673 SdHoareTripleChecker+Invalid, 7890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:31,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8395 Valid, 9673 Invalid, 7890 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7887 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:15:31,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4641 states. [2023-11-29 01:15:31,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4641 to 2767. [2023-11-29 01:15:31,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 2730 states have (on average 1.4424908424908425) internal successors, (3938), 2766 states have internal predecessors, (3938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3938 transitions. [2023-11-29 01:15:31,080 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3938 transitions. Word has length 129 [2023-11-29 01:15:31,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:31,081 INFO L495 AbstractCegarLoop]: Abstraction has 2767 states and 3938 transitions. [2023-11-29 01:15:31,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3938 transitions. [2023-11-29 01:15:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 01:15:31,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:31,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:31,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 01:15:31,084 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:15:31,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:31,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1441448228, now seen corresponding path program 1 times [2023-11-29 01:15:31,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:31,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294795603] [2023-11-29 01:15:31,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:31,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:15:31,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:31,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294795603] [2023-11-29 01:15:31,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294795603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:31,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:31,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:15:31,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134057018] [2023-11-29 01:15:31,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:31,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:15:31,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:31,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:15:31,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:15:31,473 INFO L87 Difference]: Start difference. First operand 2767 states and 3938 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:35,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:35,713 INFO L93 Difference]: Finished difference Result 4891 states and 6981 transitions. [2023-11-29 01:15:35,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:15:35,714 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2023-11-29 01:15:35,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:35,718 INFO L225 Difference]: With dead ends: 4891 [2023-11-29 01:15:35,718 INFO L226 Difference]: Without dead ends: 4609 [2023-11-29 01:15:35,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:15:35,720 INFO L413 NwaCegarLoop]: 2654 mSDtfsCounter, 8223 mSDsluCounter, 8711 mSDsCounter, 0 mSdLazyCounter, 8569 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8223 SdHoareTripleChecker+Valid, 11365 SdHoareTripleChecker+Invalid, 8572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:35,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8223 Valid, 11365 Invalid, 8572 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 8569 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-29 01:15:35,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4609 states. [2023-11-29 01:15:35,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4609 to 2759. [2023-11-29 01:15:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4430565760470242) internal successors, (3928), 2758 states have internal predecessors, (3928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3928 transitions. [2023-11-29 01:15:35,760 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3928 transitions. Word has length 129 [2023-11-29 01:15:35,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:35,760 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3928 transitions. [2023-11-29 01:15:35,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:35,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3928 transitions. [2023-11-29 01:15:35,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:15:35,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:35,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:35,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 01:15:35,763 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:15:35,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:35,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1472441354, now seen corresponding path program 1 times [2023-11-29 01:15:35,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:35,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415825053] [2023-11-29 01:15:35,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:35,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:36,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:15:36,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:36,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415825053] [2023-11-29 01:15:36,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415825053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:36,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:36,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:15:36,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644116897] [2023-11-29 01:15:36,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:36,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:15:36,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:36,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:15:36,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:15:36,126 INFO L87 Difference]: Start difference. First operand 2759 states and 3928 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:40,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:40,044 INFO L93 Difference]: Finished difference Result 4774 states and 6799 transitions. [2023-11-29 01:15:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:15:40,044 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:15:40,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:40,048 INFO L225 Difference]: With dead ends: 4774 [2023-11-29 01:15:40,048 INFO L226 Difference]: Without dead ends: 4561 [2023-11-29 01:15:40,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:15:40,049 INFO L413 NwaCegarLoop]: 2209 mSDtfsCounter, 5806 mSDsluCounter, 7836 mSDsCounter, 0 mSdLazyCounter, 7800 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5806 SdHoareTripleChecker+Valid, 10045 SdHoareTripleChecker+Invalid, 7804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:40,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5806 Valid, 10045 Invalid, 7804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7800 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 01:15:40,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4561 states. [2023-11-29 01:15:40,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4561 to 2759. [2023-11-29 01:15:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.4426891991182953) internal successors, (3927), 2758 states have internal predecessors, (3927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3927 transitions. [2023-11-29 01:15:40,086 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3927 transitions. Word has length 130 [2023-11-29 01:15:40,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:40,086 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3927 transitions. [2023-11-29 01:15:40,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3927 transitions. [2023-11-29 01:15:40,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:15:40,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:40,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:40,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 01:15:40,089 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:15:40,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:40,090 INFO L85 PathProgramCache]: Analyzing trace with hash 534171776, now seen corresponding path program 1 times [2023-11-29 01:15:40,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:40,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142131228] [2023-11-29 01:15:40,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:40,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:15:40,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:40,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142131228] [2023-11-29 01:15:40,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142131228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:40,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:40,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:15:40,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593851019] [2023-11-29 01:15:40,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:40,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:15:40,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:40,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:15:40,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:15:40,759 INFO L87 Difference]: Start difference. First operand 2759 states and 3927 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:46,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:46,480 INFO L93 Difference]: Finished difference Result 6325 states and 9050 transitions. [2023-11-29 01:15:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:15:46,480 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:15:46,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:46,485 INFO L225 Difference]: With dead ends: 6325 [2023-11-29 01:15:46,485 INFO L226 Difference]: Without dead ends: 6073 [2023-11-29 01:15:46,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:15:46,487 INFO L413 NwaCegarLoop]: 2271 mSDtfsCounter, 16312 mSDsluCounter, 8485 mSDsCounter, 0 mSdLazyCounter, 8973 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16312 SdHoareTripleChecker+Valid, 10756 SdHoareTripleChecker+Invalid, 9442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 8973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:46,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16312 Valid, 10756 Invalid, 9442 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [469 Valid, 8973 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 01:15:46,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6073 states. [2023-11-29 01:15:46,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6073 to 2763. [2023-11-29 01:15:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2726 states have (on average 1.442039618488628) internal successors, (3931), 2762 states have internal predecessors, (3931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:46,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3931 transitions. [2023-11-29 01:15:46,530 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 3931 transitions. Word has length 130 [2023-11-29 01:15:46,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:46,530 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 3931 transitions. [2023-11-29 01:15:46,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3931 transitions. [2023-11-29 01:15:46,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:15:46,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:46,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:46,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 01:15:46,533 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:15:46,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:46,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1591395485, now seen corresponding path program 1 times [2023-11-29 01:15:46,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:46,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215401880] [2023-11-29 01:15:46,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:46,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:15:46,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:46,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215401880] [2023-11-29 01:15:46,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215401880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:46,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:46,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:15:46,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673711633] [2023-11-29 01:15:46,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:46,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:15:46,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:46,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:15:46,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:15:46,976 INFO L87 Difference]: Start difference. First operand 2763 states and 3931 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:50,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:50,927 INFO L93 Difference]: Finished difference Result 4773 states and 6797 transitions. [2023-11-29 01:15:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:15:50,928 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:15:50,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:50,931 INFO L225 Difference]: With dead ends: 4773 [2023-11-29 01:15:50,931 INFO L226 Difference]: Without dead ends: 4565 [2023-11-29 01:15:50,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:15:50,932 INFO L413 NwaCegarLoop]: 1948 mSDtfsCounter, 9325 mSDsluCounter, 6373 mSDsCounter, 0 mSdLazyCounter, 7030 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9325 SdHoareTripleChecker+Valid, 8321 SdHoareTripleChecker+Invalid, 7033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:50,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9325 Valid, 8321 Invalid, 7033 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7030 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 01:15:50,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4565 states. [2023-11-29 01:15:50,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4565 to 2763. [2023-11-29 01:15:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2726 states have (on average 1.441672780630961) internal successors, (3930), 2762 states have internal predecessors, (3930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3930 transitions. [2023-11-29 01:15:50,969 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 3930 transitions. Word has length 130 [2023-11-29 01:15:50,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:50,969 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 3930 transitions. [2023-11-29 01:15:50,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:50,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3930 transitions. [2023-11-29 01:15:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:15:50,972 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:50,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:50,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-29 01:15:50,972 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:15:50,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:50,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1145031016, now seen corresponding path program 1 times [2023-11-29 01:15:50,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:50,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582769152] [2023-11-29 01:15:50,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:50,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:15:51,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:51,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582769152] [2023-11-29 01:15:51,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582769152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:51,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:51,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:15:51,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240862302] [2023-11-29 01:15:51,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:51,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:15:51,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:51,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:15:51,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:15:51,678 INFO L87 Difference]: Start difference. First operand 2763 states and 3930 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:57,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:57,287 INFO L93 Difference]: Finished difference Result 6043 states and 8635 transitions. [2023-11-29 01:15:57,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:15:57,288 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:15:57,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:57,291 INFO L225 Difference]: With dead ends: 6043 [2023-11-29 01:15:57,291 INFO L226 Difference]: Without dead ends: 5830 [2023-11-29 01:15:57,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:15:57,293 INFO L413 NwaCegarLoop]: 2105 mSDtfsCounter, 16071 mSDsluCounter, 7480 mSDsCounter, 0 mSdLazyCounter, 8134 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16071 SdHoareTripleChecker+Valid, 9585 SdHoareTripleChecker+Invalid, 8641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 8134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:57,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16071 Valid, 9585 Invalid, 8641 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [507 Valid, 8134 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-29 01:15:57,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2023-11-29 01:15:57,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 2767. [2023-11-29 01:15:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 2730 states have (on average 1.441025641025641) internal successors, (3934), 2766 states have internal predecessors, (3934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:57,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3934 transitions. [2023-11-29 01:15:57,331 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3934 transitions. Word has length 130 [2023-11-29 01:15:57,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:57,332 INFO L495 AbstractCegarLoop]: Abstraction has 2767 states and 3934 transitions. [2023-11-29 01:15:57,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:15:57,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3934 transitions. [2023-11-29 01:15:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:15:57,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:57,335 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:57,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-29 01:15:57,335 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:15:57,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:57,335 INFO L85 PathProgramCache]: Analyzing trace with hash -135015001, now seen corresponding path program 1 times [2023-11-29 01:15:57,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:57,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232817607] [2023-11-29 01:15:57,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:57,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:15:57,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:57,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232817607] [2023-11-29 01:15:57,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232817607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:57,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:57,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:15:57,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136361212] [2023-11-29 01:15:57,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:57,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:15:57,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:57,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:15:57,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:15:57,681 INFO L87 Difference]: Start difference. First operand 2767 states and 3934 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:01,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:01,321 INFO L93 Difference]: Finished difference Result 4773 states and 6795 transitions. [2023-11-29 01:16:01,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:16:01,322 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:01,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:01,325 INFO L225 Difference]: With dead ends: 4773 [2023-11-29 01:16:01,326 INFO L226 Difference]: Without dead ends: 4565 [2023-11-29 01:16:01,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:16:01,327 INFO L413 NwaCegarLoop]: 2333 mSDtfsCounter, 8175 mSDsluCounter, 6440 mSDsCounter, 0 mSdLazyCounter, 6769 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8175 SdHoareTripleChecker+Valid, 8773 SdHoareTripleChecker+Invalid, 6772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:01,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8175 Valid, 8773 Invalid, 6772 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 6769 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:16:01,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4565 states. [2023-11-29 01:16:01,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4565 to 2767. [2023-11-29 01:16:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 2730 states have (on average 1.4406593406593406) internal successors, (3933), 2766 states have internal predecessors, (3933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3933 transitions. [2023-11-29 01:16:01,357 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3933 transitions. Word has length 130 [2023-11-29 01:16:01,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:01,357 INFO L495 AbstractCegarLoop]: Abstraction has 2767 states and 3933 transitions. [2023-11-29 01:16:01,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:01,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3933 transitions. [2023-11-29 01:16:01,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:01,360 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:01,360 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:01,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 01:16:01,360 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:01,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:01,360 INFO L85 PathProgramCache]: Analyzing trace with hash 332086230, now seen corresponding path program 1 times [2023-11-29 01:16:01,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:01,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143186963] [2023-11-29 01:16:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:01,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:01,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:01,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143186963] [2023-11-29 01:16:01,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143186963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:01,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:01,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:16:01,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541975993] [2023-11-29 01:16:01,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:01,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:16:01,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:01,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:16:01,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:16:01,794 INFO L87 Difference]: Start difference. First operand 2767 states and 3933 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:07,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:07,602 INFO L93 Difference]: Finished difference Result 6043 states and 8632 transitions. [2023-11-29 01:16:07,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:16:07,603 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:07,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:07,608 INFO L225 Difference]: With dead ends: 6043 [2023-11-29 01:16:07,608 INFO L226 Difference]: Without dead ends: 5830 [2023-11-29 01:16:07,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:16:07,611 INFO L413 NwaCegarLoop]: 2011 mSDtfsCounter, 17015 mSDsluCounter, 7731 mSDsCounter, 0 mSdLazyCounter, 8312 mSolverCounterSat, 519 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17015 SdHoareTripleChecker+Valid, 9742 SdHoareTripleChecker+Invalid, 8831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 8312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:07,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17015 Valid, 9742 Invalid, 8831 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [519 Valid, 8312 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 01:16:07,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2023-11-29 01:16:07,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 2771. [2023-11-29 01:16:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2734 states have (on average 1.4400146305779078) internal successors, (3937), 2770 states have internal predecessors, (3937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:07,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3937 transitions. [2023-11-29 01:16:07,654 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3937 transitions. Word has length 130 [2023-11-29 01:16:07,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:07,654 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3937 transitions. [2023-11-29 01:16:07,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:07,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3937 transitions. [2023-11-29 01:16:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:07,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:07,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:07,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-29 01:16:07,657 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:07,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:07,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1890215923, now seen corresponding path program 1 times [2023-11-29 01:16:07,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:07,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231235477] [2023-11-29 01:16:07,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:07,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:08,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:08,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231235477] [2023-11-29 01:16:08,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231235477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:08,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:08,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:16:08,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10551776] [2023-11-29 01:16:08,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:08,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:16:08,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:08,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:16:08,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:16:08,053 INFO L87 Difference]: Start difference. First operand 2771 states and 3937 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:11,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:11,615 INFO L93 Difference]: Finished difference Result 4773 states and 6792 transitions. [2023-11-29 01:16:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:16:11,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:11,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:11,619 INFO L225 Difference]: With dead ends: 4773 [2023-11-29 01:16:11,620 INFO L226 Difference]: Without dead ends: 4565 [2023-11-29 01:16:11,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:16:11,621 INFO L413 NwaCegarLoop]: 1910 mSDtfsCounter, 9455 mSDsluCounter, 6259 mSDsCounter, 0 mSdLazyCounter, 6887 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9455 SdHoareTripleChecker+Valid, 8169 SdHoareTripleChecker+Invalid, 6890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:11,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9455 Valid, 8169 Invalid, 6890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6887 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:16:11,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4565 states. [2023-11-29 01:16:11,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4565 to 2771. [2023-11-29 01:16:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2734 states have (on average 1.439648866130212) internal successors, (3936), 2770 states have internal predecessors, (3936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:11,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3936 transitions. [2023-11-29 01:16:11,655 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3936 transitions. Word has length 130 [2023-11-29 01:16:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:11,656 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3936 transitions. [2023-11-29 01:16:11,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:11,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3936 transitions. [2023-11-29 01:16:11,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:11,659 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:11,659 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:11,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-29 01:16:11,659 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:11,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:11,660 INFO L85 PathProgramCache]: Analyzing trace with hash -199067401, now seen corresponding path program 1 times [2023-11-29 01:16:11,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:11,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725540768] [2023-11-29 01:16:11,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:11,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:12,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:12,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725540768] [2023-11-29 01:16:12,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725540768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:12,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:12,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:16:12,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939318873] [2023-11-29 01:16:12,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:12,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:16:12,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:12,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:16:12,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:16:12,216 INFO L87 Difference]: Start difference. First operand 2771 states and 3936 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:17,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:17,581 INFO L93 Difference]: Finished difference Result 6033 states and 8620 transitions. [2023-11-29 01:16:17,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:16:17,581 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:17,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:17,587 INFO L225 Difference]: With dead ends: 6033 [2023-11-29 01:16:17,587 INFO L226 Difference]: Without dead ends: 5825 [2023-11-29 01:16:17,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:16:17,589 INFO L413 NwaCegarLoop]: 1988 mSDtfsCounter, 17089 mSDsluCounter, 7120 mSDsCounter, 0 mSdLazyCounter, 7685 mSolverCounterSat, 525 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17089 SdHoareTripleChecker+Valid, 9108 SdHoareTripleChecker+Invalid, 8210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 525 IncrementalHoareTripleChecker+Valid, 7685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:17,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17089 Valid, 9108 Invalid, 8210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [525 Valid, 7685 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 01:16:17,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5825 states. [2023-11-29 01:16:17,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5825 to 2775. [2023-11-29 01:16:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.4390065741417093) internal successors, (3940), 2774 states have internal predecessors, (3940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3940 transitions. [2023-11-29 01:16:17,632 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3940 transitions. Word has length 130 [2023-11-29 01:16:17,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:17,633 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3940 transitions. [2023-11-29 01:16:17,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3940 transitions. [2023-11-29 01:16:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:17,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:17,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:17,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-29 01:16:17,636 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:17,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:17,636 INFO L85 PathProgramCache]: Analyzing trace with hash 204859710, now seen corresponding path program 1 times [2023-11-29 01:16:17,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:17,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651632734] [2023-11-29 01:16:17,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:17,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:17,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:17,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651632734] [2023-11-29 01:16:17,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651632734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:17,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:17,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:16:17,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114462351] [2023-11-29 01:16:17,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:17,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:16:17,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:17,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:16:17,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:16:17,997 INFO L87 Difference]: Start difference. First operand 2775 states and 3940 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:21,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:21,496 INFO L93 Difference]: Finished difference Result 4771 states and 6788 transitions. [2023-11-29 01:16:21,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:16:21,497 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:21,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:21,500 INFO L225 Difference]: With dead ends: 4771 [2023-11-29 01:16:21,500 INFO L226 Difference]: Without dead ends: 4565 [2023-11-29 01:16:21,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:16:21,501 INFO L413 NwaCegarLoop]: 1836 mSDtfsCounter, 9725 mSDsluCounter, 6045 mSDsCounter, 0 mSdLazyCounter, 6610 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9725 SdHoareTripleChecker+Valid, 7881 SdHoareTripleChecker+Invalid, 6614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:21,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9725 Valid, 7881 Invalid, 6614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6610 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 01:16:21,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4565 states. [2023-11-29 01:16:21,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4565 to 2775. [2023-11-29 01:16:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.4386413440467494) internal successors, (3939), 2774 states have internal predecessors, (3939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3939 transitions. [2023-11-29 01:16:21,536 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3939 transitions. Word has length 130 [2023-11-29 01:16:21,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:21,536 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3939 transitions. [2023-11-29 01:16:21,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3939 transitions. [2023-11-29 01:16:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:21,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:21,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:21,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-29 01:16:21,539 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:21,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:21,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1826163523, now seen corresponding path program 1 times [2023-11-29 01:16:21,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:21,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412129241] [2023-11-29 01:16:21,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:21,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:21,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:21,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412129241] [2023-11-29 01:16:21,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412129241] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:21,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:21,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:16:21,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031500534] [2023-11-29 01:16:21,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:21,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:16:21,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:21,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:16:21,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:16:21,859 INFO L87 Difference]: Start difference. First operand 2775 states and 3939 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:25,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:25,541 INFO L93 Difference]: Finished difference Result 4773 states and 6789 transitions. [2023-11-29 01:16:25,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:16:25,541 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:25,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:25,546 INFO L225 Difference]: With dead ends: 4773 [2023-11-29 01:16:25,546 INFO L226 Difference]: Without dead ends: 4565 [2023-11-29 01:16:25,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:16:25,548 INFO L413 NwaCegarLoop]: 2220 mSDtfsCounter, 5789 mSDsluCounter, 7055 mSDsCounter, 0 mSdLazyCounter, 7123 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5789 SdHoareTripleChecker+Valid, 9275 SdHoareTripleChecker+Invalid, 7126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:25,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5789 Valid, 9275 Invalid, 7126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7123 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:16:25,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4565 states. [2023-11-29 01:16:25,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4565 to 2775. [2023-11-29 01:16:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.4382761139517897) internal successors, (3938), 2774 states have internal predecessors, (3938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3938 transitions. [2023-11-29 01:16:25,585 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3938 transitions. Word has length 130 [2023-11-29 01:16:25,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:25,585 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3938 transitions. [2023-11-29 01:16:25,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3938 transitions. [2023-11-29 01:16:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:25,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:25,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:25,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-29 01:16:25,587 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:25,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:25,588 INFO L85 PathProgramCache]: Analyzing trace with hash 268801419, now seen corresponding path program 1 times [2023-11-29 01:16:25,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:25,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264086218] [2023-11-29 01:16:25,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:25,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:26,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:26,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264086218] [2023-11-29 01:16:26,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264086218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:26,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:26,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:16:26,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273689478] [2023-11-29 01:16:26,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:26,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:16:26,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:26,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:16:26,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:16:26,137 INFO L87 Difference]: Start difference. First operand 2775 states and 3938 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:31,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:31,251 INFO L93 Difference]: Finished difference Result 6043 states and 8625 transitions. [2023-11-29 01:16:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:16:31,251 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:31,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:31,257 INFO L225 Difference]: With dead ends: 6043 [2023-11-29 01:16:31,257 INFO L226 Difference]: Without dead ends: 5830 [2023-11-29 01:16:31,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:16:31,260 INFO L413 NwaCegarLoop]: 2050 mSDtfsCounter, 16340 mSDsluCounter, 7335 mSDsCounter, 0 mSdLazyCounter, 7926 mSolverCounterSat, 527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16340 SdHoareTripleChecker+Valid, 9385 SdHoareTripleChecker+Invalid, 8453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 7926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:31,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16340 Valid, 9385 Invalid, 8453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [527 Valid, 7926 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 01:16:31,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2023-11-29 01:16:31,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 2779. [2023-11-29 01:16:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2742 states have (on average 1.437636761487965) internal successors, (3942), 2778 states have internal predecessors, (3942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3942 transitions. [2023-11-29 01:16:31,304 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3942 transitions. Word has length 130 [2023-11-29 01:16:31,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:31,304 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 3942 transitions. [2023-11-29 01:16:31,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3942 transitions. [2023-11-29 01:16:31,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:31,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:31,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:31,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-29 01:16:31,307 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:31,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:31,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1448822755, now seen corresponding path program 1 times [2023-11-29 01:16:31,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:31,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62854703] [2023-11-29 01:16:31,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:31,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:31,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:31,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62854703] [2023-11-29 01:16:31,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62854703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:31,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:31,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:16:31,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633916533] [2023-11-29 01:16:31,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:31,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:16:31,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:31,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:16:31,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:16:31,675 INFO L87 Difference]: Start difference. First operand 2779 states and 3942 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:35,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:35,412 INFO L93 Difference]: Finished difference Result 4773 states and 6787 transitions. [2023-11-29 01:16:35,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:16:35,412 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:35,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:35,417 INFO L225 Difference]: With dead ends: 4773 [2023-11-29 01:16:35,417 INFO L226 Difference]: Without dead ends: 4565 [2023-11-29 01:16:35,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:16:35,419 INFO L413 NwaCegarLoop]: 2124 mSDtfsCounter, 5649 mSDsluCounter, 6931 mSDsCounter, 0 mSdLazyCounter, 7101 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5649 SdHoareTripleChecker+Valid, 9055 SdHoareTripleChecker+Invalid, 7105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:35,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5649 Valid, 9055 Invalid, 7105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7101 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:16:35,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4565 states. [2023-11-29 01:16:35,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4565 to 2779. [2023-11-29 01:16:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2742 states have (on average 1.437272064186725) internal successors, (3941), 2778 states have internal predecessors, (3941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3941 transitions. [2023-11-29 01:16:35,461 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3941 transitions. Word has length 130 [2023-11-29 01:16:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:35,462 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 3941 transitions. [2023-11-29 01:16:35,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3941 transitions. [2023-11-29 01:16:35,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:35,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:35,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:35,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-29 01:16:35,464 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:35,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:35,464 INFO L85 PathProgramCache]: Analyzing trace with hash -177419759, now seen corresponding path program 1 times [2023-11-29 01:16:35,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:35,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154075684] [2023-11-29 01:16:35,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:35,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:35,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:35,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154075684] [2023-11-29 01:16:35,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154075684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:35,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:35,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:16:35,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776201094] [2023-11-29 01:16:35,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:35,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:16:35,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:35,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:16:35,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:16:35,873 INFO L87 Difference]: Start difference. First operand 2779 states and 3941 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:39,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:39,480 INFO L93 Difference]: Finished difference Result 4771 states and 6783 transitions. [2023-11-29 01:16:39,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:16:39,480 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:39,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:39,486 INFO L225 Difference]: With dead ends: 4771 [2023-11-29 01:16:39,486 INFO L226 Difference]: Without dead ends: 4565 [2023-11-29 01:16:39,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:16:39,488 INFO L413 NwaCegarLoop]: 1887 mSDtfsCounter, 9539 mSDsluCounter, 6196 mSDsCounter, 0 mSdLazyCounter, 6741 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9539 SdHoareTripleChecker+Valid, 8083 SdHoareTripleChecker+Invalid, 6744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:39,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9539 Valid, 8083 Invalid, 6744 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 6741 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:16:39,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4565 states. [2023-11-29 01:16:39,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4565 to 2779. [2023-11-29 01:16:39,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2742 states have (on average 1.436907366885485) internal successors, (3940), 2778 states have internal predecessors, (3940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:39,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3940 transitions. [2023-11-29 01:16:39,525 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3940 transitions. Word has length 130 [2023-11-29 01:16:39,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:39,525 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 3940 transitions. [2023-11-29 01:16:39,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:39,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3940 transitions. [2023-11-29 01:16:39,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:39,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:39,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:39,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-29 01:16:39,529 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:39,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:39,529 INFO L85 PathProgramCache]: Analyzing trace with hash -565986650, now seen corresponding path program 1 times [2023-11-29 01:16:39,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:39,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673026353] [2023-11-29 01:16:39,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:39,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:40,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:40,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673026353] [2023-11-29 01:16:40,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673026353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:40,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:40,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:16:40,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227255838] [2023-11-29 01:16:40,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:40,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:16:40,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:40,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:16:40,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:16:40,082 INFO L87 Difference]: Start difference. First operand 2779 states and 3940 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:45,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:45,597 INFO L93 Difference]: Finished difference Result 6029 states and 8609 transitions. [2023-11-29 01:16:45,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:16:45,597 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:45,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:45,602 INFO L225 Difference]: With dead ends: 6029 [2023-11-29 01:16:45,602 INFO L226 Difference]: Without dead ends: 5823 [2023-11-29 01:16:45,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:16:45,604 INFO L413 NwaCegarLoop]: 1956 mSDtfsCounter, 17289 mSDsluCounter, 7023 mSDsCounter, 0 mSdLazyCounter, 7528 mSolverCounterSat, 537 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17289 SdHoareTripleChecker+Valid, 8979 SdHoareTripleChecker+Invalid, 8065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 537 IncrementalHoareTripleChecker+Valid, 7528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:45,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17289 Valid, 8979 Invalid, 8065 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [537 Valid, 7528 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 01:16:45,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5823 states. [2023-11-29 01:16:45,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5823 to 2783. [2023-11-29 01:16:45,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2783 states, 2746 states have (on average 1.436270939548434) internal successors, (3944), 2782 states have internal predecessors, (3944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:45,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2783 states and 3944 transitions. [2023-11-29 01:16:45,644 INFO L78 Accepts]: Start accepts. Automaton has 2783 states and 3944 transitions. Word has length 130 [2023-11-29 01:16:45,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:45,644 INFO L495 AbstractCegarLoop]: Abstraction has 2783 states and 3944 transitions. [2023-11-29 01:16:45,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:45,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3944 transitions. [2023-11-29 01:16:45,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:45,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:45,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:45,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-29 01:16:45,647 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:45,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:45,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1781591143, now seen corresponding path program 1 times [2023-11-29 01:16:45,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:45,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657266108] [2023-11-29 01:16:45,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:45,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:46,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:46,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657266108] [2023-11-29 01:16:46,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657266108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:46,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:46,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:16:46,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528521336] [2023-11-29 01:16:46,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:46,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:16:46,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:46,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:16:46,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:16:46,200 INFO L87 Difference]: Start difference. First operand 2783 states and 3944 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:51,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:51,602 INFO L93 Difference]: Finished difference Result 6929 states and 9882 transitions. [2023-11-29 01:16:51,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:16:51,602 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:51,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:51,607 INFO L225 Difference]: With dead ends: 6929 [2023-11-29 01:16:51,607 INFO L226 Difference]: Without dead ends: 6487 [2023-11-29 01:16:51,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:16:51,609 INFO L413 NwaCegarLoop]: 2498 mSDtfsCounter, 17127 mSDsluCounter, 8159 mSDsCounter, 0 mSdLazyCounter, 8732 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17127 SdHoareTripleChecker+Valid, 10657 SdHoareTripleChecker+Invalid, 9191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 8732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:51,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17127 Valid, 10657 Invalid, 9191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [459 Valid, 8732 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 01:16:51,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6487 states. [2023-11-29 01:16:51,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6487 to 2791. [2023-11-29 01:16:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.4350036310820624) internal successors, (3952), 2790 states have internal predecessors, (3952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:51,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3952 transitions. [2023-11-29 01:16:51,653 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3952 transitions. Word has length 130 [2023-11-29 01:16:51,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:51,653 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3952 transitions. [2023-11-29 01:16:51,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3952 transitions. [2023-11-29 01:16:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:51,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:51,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:51,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-11-29 01:16:51,656 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:51,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:51,657 INFO L85 PathProgramCache]: Analyzing trace with hash -414476470, now seen corresponding path program 1 times [2023-11-29 01:16:51,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:51,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485043276] [2023-11-29 01:16:51,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:51,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:52,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:52,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:52,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485043276] [2023-11-29 01:16:52,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485043276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:52,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:52,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:16:52,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458717619] [2023-11-29 01:16:52,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:52,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:16:52,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:52,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:16:52,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:16:52,017 INFO L87 Difference]: Start difference. First operand 2791 states and 3952 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:55,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:55,601 INFO L93 Difference]: Finished difference Result 4809 states and 6829 transitions. [2023-11-29 01:16:55,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:16:55,602 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:16:55,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:55,605 INFO L225 Difference]: With dead ends: 4809 [2023-11-29 01:16:55,605 INFO L226 Difference]: Without dead ends: 4573 [2023-11-29 01:16:55,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:16:55,605 INFO L413 NwaCegarLoop]: 1804 mSDtfsCounter, 9849 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 6459 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9849 SdHoareTripleChecker+Valid, 7743 SdHoareTripleChecker+Invalid, 6463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:55,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9849 Valid, 7743 Invalid, 6463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6459 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:16:55,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4573 states. [2023-11-29 01:16:55,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4573 to 2791. [2023-11-29 01:16:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.4342774146695716) internal successors, (3950), 2790 states have internal predecessors, (3950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:55,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3950 transitions. [2023-11-29 01:16:55,637 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3950 transitions. Word has length 130 [2023-11-29 01:16:55,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:55,637 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3950 transitions. [2023-11-29 01:16:55,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:55,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3950 transitions. [2023-11-29 01:16:55,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:16:55,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:55,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:55,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-29 01:16:55,640 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:16:55,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:55,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1592136660, now seen corresponding path program 1 times [2023-11-29 01:16:55,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:55,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115069604] [2023-11-29 01:16:55,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:55,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:55,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:55,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115069604] [2023-11-29 01:16:55,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115069604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:55,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:55,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:16:55,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542451152] [2023-11-29 01:16:55,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:55,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:16:55,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:55,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:16:55,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:16:55,946 INFO L87 Difference]: Start difference. First operand 2791 states and 3950 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:00,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:00,032 INFO L93 Difference]: Finished difference Result 4947 states and 7022 transitions. [2023-11-29 01:17:00,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:17:00,033 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:00,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:00,037 INFO L225 Difference]: With dead ends: 4947 [2023-11-29 01:17:00,037 INFO L226 Difference]: Without dead ends: 4645 [2023-11-29 01:17:00,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:17:00,039 INFO L413 NwaCegarLoop]: 2552 mSDtfsCounter, 8352 mSDsluCounter, 8475 mSDsCounter, 0 mSdLazyCounter, 8192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8352 SdHoareTripleChecker+Valid, 11027 SdHoareTripleChecker+Invalid, 8195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:00,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8352 Valid, 11027 Invalid, 8195 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 8192 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:17:00,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4645 states. [2023-11-29 01:17:00,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4645 to 2791. [2023-11-29 01:17:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.4335511982570806) internal successors, (3948), 2790 states have internal predecessors, (3948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3948 transitions. [2023-11-29 01:17:00,076 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3948 transitions. Word has length 130 [2023-11-29 01:17:00,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:00,076 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3948 transitions. [2023-11-29 01:17:00,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:00,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3948 transitions. [2023-11-29 01:17:00,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:00,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:00,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:00,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-11-29 01:17:00,079 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:00,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:00,079 INFO L85 PathProgramCache]: Analyzing trace with hash 945093069, now seen corresponding path program 1 times [2023-11-29 01:17:00,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:00,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998841921] [2023-11-29 01:17:00,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:00,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:00,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:00,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998841921] [2023-11-29 01:17:00,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998841921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:00,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:00,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:17:00,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925330093] [2023-11-29 01:17:00,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:00,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:17:00,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:00,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:17:00,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:17:00,441 INFO L87 Difference]: Start difference. First operand 2791 states and 3948 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:04,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:04,147 INFO L93 Difference]: Finished difference Result 4809 states and 6825 transitions. [2023-11-29 01:17:04,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:17:04,148 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:04,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:04,152 INFO L225 Difference]: With dead ends: 4809 [2023-11-29 01:17:04,152 INFO L226 Difference]: Without dead ends: 4573 [2023-11-29 01:17:04,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:17:04,154 INFO L413 NwaCegarLoop]: 1853 mSDtfsCounter, 9673 mSDsluCounter, 6086 mSDsCounter, 0 mSdLazyCounter, 6591 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9673 SdHoareTripleChecker+Valid, 7939 SdHoareTripleChecker+Invalid, 6595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:04,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9673 Valid, 7939 Invalid, 6595 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6591 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:17:04,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4573 states. [2023-11-29 01:17:04,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4573 to 2791. [2023-11-29 01:17:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.4328249818445897) internal successors, (3946), 2790 states have internal predecessors, (3946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3946 transitions. [2023-11-29 01:17:04,193 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3946 transitions. Word has length 130 [2023-11-29 01:17:04,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:04,193 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3946 transitions. [2023-11-29 01:17:04,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3946 transitions. [2023-11-29 01:17:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:04,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:04,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:04,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-11-29 01:17:04,196 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:04,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:04,197 INFO L85 PathProgramCache]: Analyzing trace with hash -934415869, now seen corresponding path program 1 times [2023-11-29 01:17:04,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:04,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521087950] [2023-11-29 01:17:04,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:04,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:04,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:04,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521087950] [2023-11-29 01:17:04,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521087950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:04,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:04,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:17:04,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096682778] [2023-11-29 01:17:04,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:04,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:17:04,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:04,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:17:04,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:17:04,716 INFO L87 Difference]: Start difference. First operand 2791 states and 3946 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:10,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:10,414 INFO L93 Difference]: Finished difference Result 6461 states and 9214 transitions. [2023-11-29 01:17:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:17:10,414 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:10,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:10,420 INFO L225 Difference]: With dead ends: 6461 [2023-11-29 01:17:10,420 INFO L226 Difference]: Without dead ends: 6159 [2023-11-29 01:17:10,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:17:10,422 INFO L413 NwaCegarLoop]: 2222 mSDtfsCounter, 16589 mSDsluCounter, 7766 mSDsCounter, 0 mSdLazyCounter, 8272 mSolverCounterSat, 484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16589 SdHoareTripleChecker+Valid, 9988 SdHoareTripleChecker+Invalid, 8756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 484 IncrementalHoareTripleChecker+Valid, 8272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:10,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16589 Valid, 9988 Invalid, 8756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [484 Valid, 8272 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 01:17:10,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6159 states. [2023-11-29 01:17:10,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6159 to 2799. [2023-11-29 01:17:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2762 states have (on average 1.4315713251267197) internal successors, (3954), 2798 states have internal predecessors, (3954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:10,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3954 transitions. [2023-11-29 01:17:10,467 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3954 transitions. Word has length 130 [2023-11-29 01:17:10,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:10,468 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3954 transitions. [2023-11-29 01:17:10,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:10,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3954 transitions. [2023-11-29 01:17:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:10,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:10,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:10,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-11-29 01:17:10,470 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:10,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:10,471 INFO L85 PathProgramCache]: Analyzing trace with hash 828689955, now seen corresponding path program 1 times [2023-11-29 01:17:10,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:10,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603421843] [2023-11-29 01:17:10,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:10,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:10,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:10,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603421843] [2023-11-29 01:17:10,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603421843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:10,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:10,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:17:10,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267066567] [2023-11-29 01:17:10,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:10,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:17:10,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:10,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:17:10,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:17:10,818 INFO L87 Difference]: Start difference. First operand 2799 states and 3954 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:14,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:14,314 INFO L93 Difference]: Finished difference Result 4809 states and 6822 transitions. [2023-11-29 01:17:14,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:17:14,314 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:14,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:14,317 INFO L225 Difference]: With dead ends: 4809 [2023-11-29 01:17:14,317 INFO L226 Difference]: Without dead ends: 4581 [2023-11-29 01:17:14,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:17:14,318 INFO L413 NwaCegarLoop]: 2236 mSDtfsCounter, 5775 mSDsluCounter, 7087 mSDsCounter, 0 mSdLazyCounter, 7117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5775 SdHoareTripleChecker+Valid, 9323 SdHoareTripleChecker+Invalid, 7120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:14,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5775 Valid, 9323 Invalid, 7120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7117 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:17:14,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2023-11-29 01:17:14,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 2799. [2023-11-29 01:17:14,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2762 states have (on average 1.4308472121650977) internal successors, (3952), 2798 states have internal predecessors, (3952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:14,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3952 transitions. [2023-11-29 01:17:14,347 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3952 transitions. Word has length 130 [2023-11-29 01:17:14,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:14,347 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3952 transitions. [2023-11-29 01:17:14,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:14,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3952 transitions. [2023-11-29 01:17:14,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:14,349 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:14,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:14,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-11-29 01:17:14,349 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:14,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:14,349 INFO L85 PathProgramCache]: Analyzing trace with hash -732401857, now seen corresponding path program 1 times [2023-11-29 01:17:14,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:14,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099177591] [2023-11-29 01:17:14,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:14,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:14,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:14,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099177591] [2023-11-29 01:17:14,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099177591] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:14,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:14,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:17:14,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428525995] [2023-11-29 01:17:14,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:14,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:17:14,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:14,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:17:14,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:17:14,801 INFO L87 Difference]: Start difference. First operand 2799 states and 3952 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:20,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:20,651 INFO L93 Difference]: Finished difference Result 6105 states and 8696 transitions. [2023-11-29 01:17:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:17:20,652 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:20,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:20,656 INFO L225 Difference]: With dead ends: 6105 [2023-11-29 01:17:20,656 INFO L226 Difference]: Without dead ends: 5869 [2023-11-29 01:17:20,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:17:20,657 INFO L413 NwaCegarLoop]: 1994 mSDtfsCounter, 17011 mSDsluCounter, 9049 mSDsCounter, 0 mSdLazyCounter, 9272 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17011 SdHoareTripleChecker+Valid, 11043 SdHoareTripleChecker+Invalid, 9798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 9272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:20,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17011 Valid, 11043 Invalid, 9798 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [526 Valid, 9272 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-29 01:17:20,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5869 states. [2023-11-29 01:17:20,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5869 to 2807. [2023-11-29 01:17:20,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 2770 states have (on average 1.4296028880866427) internal successors, (3960), 2806 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3960 transitions. [2023-11-29 01:17:20,687 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3960 transitions. Word has length 130 [2023-11-29 01:17:20,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:20,688 INFO L495 AbstractCegarLoop]: Abstraction has 2807 states and 3960 transitions. [2023-11-29 01:17:20,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:20,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3960 transitions. [2023-11-29 01:17:20,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:20,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:20,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:20,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-11-29 01:17:20,690 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:20,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:20,690 INFO L85 PathProgramCache]: Analyzing trace with hash -573739680, now seen corresponding path program 1 times [2023-11-29 01:17:20,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:20,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779911248] [2023-11-29 01:17:20,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:20,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:21,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:21,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779911248] [2023-11-29 01:17:21,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779911248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:21,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:21,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:17:21,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073112459] [2023-11-29 01:17:21,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:21,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:17:21,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:21,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:17:21,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:17:21,212 INFO L87 Difference]: Start difference. First operand 2807 states and 3960 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:26,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:26,691 INFO L93 Difference]: Finished difference Result 6437 states and 9168 transitions. [2023-11-29 01:17:26,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:17:26,691 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:26,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:26,696 INFO L225 Difference]: With dead ends: 6437 [2023-11-29 01:17:26,696 INFO L226 Difference]: Without dead ends: 6151 [2023-11-29 01:17:26,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:17:26,698 INFO L413 NwaCegarLoop]: 2169 mSDtfsCounter, 16833 mSDsluCounter, 7644 mSDsCounter, 0 mSdLazyCounter, 8124 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16833 SdHoareTripleChecker+Valid, 9813 SdHoareTripleChecker+Invalid, 8624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 8124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:26,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16833 Valid, 9813 Invalid, 8624 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [500 Valid, 8124 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 01:17:26,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2023-11-29 01:17:26,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 2815. [2023-11-29 01:17:26,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2778 states have (on average 1.4283657307415407) internal successors, (3968), 2814 states have internal predecessors, (3968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3968 transitions. [2023-11-29 01:17:26,739 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3968 transitions. Word has length 130 [2023-11-29 01:17:26,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:26,739 INFO L495 AbstractCegarLoop]: Abstraction has 2815 states and 3968 transitions. [2023-11-29 01:17:26,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3968 transitions. [2023-11-29 01:17:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:26,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:26,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:26,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-11-29 01:17:26,742 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:26,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:26,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1305769258, now seen corresponding path program 1 times [2023-11-29 01:17:26,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:26,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519354227] [2023-11-29 01:17:26,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:26,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:27,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:27,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519354227] [2023-11-29 01:17:27,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519354227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:27,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:27,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:17:27,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257416923] [2023-11-29 01:17:27,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:27,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:17:27,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:27,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:17:27,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:17:27,088 INFO L87 Difference]: Start difference. First operand 2815 states and 3968 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:30,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:30,371 INFO L93 Difference]: Finished difference Result 4821 states and 6829 transitions. [2023-11-29 01:17:30,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:17:30,372 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:30,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:30,375 INFO L225 Difference]: With dead ends: 4821 [2023-11-29 01:17:30,375 INFO L226 Difference]: Without dead ends: 4589 [2023-11-29 01:17:30,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:17:30,377 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 5779 mSDsluCounter, 6860 mSDsCounter, 0 mSdLazyCounter, 6896 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5779 SdHoareTripleChecker+Valid, 8952 SdHoareTripleChecker+Invalid, 6900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:30,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5779 Valid, 8952 Invalid, 6900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6896 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:17:30,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4589 states. [2023-11-29 01:17:30,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4589 to 2815. [2023-11-29 01:17:30,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2778 states have (on average 1.4276457883369331) internal successors, (3966), 2814 states have internal predecessors, (3966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:30,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3966 transitions. [2023-11-29 01:17:30,411 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3966 transitions. Word has length 130 [2023-11-29 01:17:30,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:30,411 INFO L495 AbstractCegarLoop]: Abstraction has 2815 states and 3966 transitions. [2023-11-29 01:17:30,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:30,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3966 transitions. [2023-11-29 01:17:30,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:30,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:30,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:30,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-11-29 01:17:30,414 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:30,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:30,414 INFO L85 PathProgramCache]: Analyzing trace with hash -371725668, now seen corresponding path program 1 times [2023-11-29 01:17:30,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:30,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075621808] [2023-11-29 01:17:30,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:30,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:30,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:30,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075621808] [2023-11-29 01:17:30,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075621808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:30,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:30,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:17:30,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178853784] [2023-11-29 01:17:30,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:30,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:17:30,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:30,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:17:30,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:17:30,941 INFO L87 Difference]: Start difference. First operand 2815 states and 3966 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:35,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:35,864 INFO L93 Difference]: Finished difference Result 6105 states and 8688 transitions. [2023-11-29 01:17:35,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:17:35,864 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:35,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:35,869 INFO L225 Difference]: With dead ends: 6105 [2023-11-29 01:17:35,870 INFO L226 Difference]: Without dead ends: 5873 [2023-11-29 01:17:35,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:17:35,872 INFO L413 NwaCegarLoop]: 1973 mSDtfsCounter, 17167 mSDsluCounter, 7059 mSDsCounter, 0 mSdLazyCounter, 7534 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17167 SdHoareTripleChecker+Valid, 9032 SdHoareTripleChecker+Invalid, 8069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 7534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:35,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17167 Valid, 9032 Invalid, 8069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [535 Valid, 7534 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 01:17:35,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5873 states. [2023-11-29 01:17:35,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5873 to 2823. [2023-11-29 01:17:35,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2786 states have (on average 1.4264178033022255) internal successors, (3974), 2822 states have internal predecessors, (3974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:35,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3974 transitions. [2023-11-29 01:17:35,916 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3974 transitions. Word has length 130 [2023-11-29 01:17:35,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:35,917 INFO L495 AbstractCegarLoop]: Abstraction has 2823 states and 3974 transitions. [2023-11-29 01:17:35,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3974 transitions. [2023-11-29 01:17:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:35,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:35,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:35,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-11-29 01:17:35,919 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:35,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:35,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1188474430, now seen corresponding path program 1 times [2023-11-29 01:17:35,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:35,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550902326] [2023-11-29 01:17:35,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:35,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:36,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:36,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550902326] [2023-11-29 01:17:36,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550902326] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:36,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:36,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:17:36,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739325008] [2023-11-29 01:17:36,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:36,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:17:36,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:36,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:17:36,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:17:36,269 INFO L87 Difference]: Start difference. First operand 2823 states and 3974 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:39,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:39,672 INFO L93 Difference]: Finished difference Result 4817 states and 6822 transitions. [2023-11-29 01:17:39,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:17:39,672 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:39,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:39,676 INFO L225 Difference]: With dead ends: 4817 [2023-11-29 01:17:39,676 INFO L226 Difference]: Without dead ends: 4589 [2023-11-29 01:17:39,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:17:39,678 INFO L413 NwaCegarLoop]: 1817 mSDtfsCounter, 9792 mSDsluCounter, 5983 mSDsCounter, 0 mSdLazyCounter, 6447 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9792 SdHoareTripleChecker+Valid, 7800 SdHoareTripleChecker+Invalid, 6451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:39,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9792 Valid, 7800 Invalid, 6451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6447 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:17:39,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4589 states. [2023-11-29 01:17:39,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4589 to 2823. [2023-11-29 01:17:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2786 states have (on average 1.425699928212491) internal successors, (3972), 2822 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3972 transitions. [2023-11-29 01:17:39,715 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3972 transitions. Word has length 130 [2023-11-29 01:17:39,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:39,716 INFO L495 AbstractCegarLoop]: Abstraction has 2823 states and 3972 transitions. [2023-11-29 01:17:39,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3972 transitions. [2023-11-29 01:17:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:39,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:39,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:39,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-11-29 01:17:39,719 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:39,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:39,719 INFO L85 PathProgramCache]: Analyzing trace with hash 375118542, now seen corresponding path program 1 times [2023-11-29 01:17:39,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:39,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690723195] [2023-11-29 01:17:39,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:39,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:40,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:40,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690723195] [2023-11-29 01:17:40,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690723195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:40,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:40,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:17:40,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591385126] [2023-11-29 01:17:40,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:40,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:17:40,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:40,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:17:40,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:17:40,067 INFO L87 Difference]: Start difference. First operand 2823 states and 3972 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:43,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:43,495 INFO L93 Difference]: Finished difference Result 4817 states and 6820 transitions. [2023-11-29 01:17:43,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:17:43,495 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:43,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:43,499 INFO L225 Difference]: With dead ends: 4817 [2023-11-29 01:17:43,499 INFO L226 Difference]: Without dead ends: 4589 [2023-11-29 01:17:43,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:17:43,501 INFO L413 NwaCegarLoop]: 1876 mSDtfsCounter, 9562 mSDsluCounter, 6158 mSDsCounter, 0 mSdLazyCounter, 6664 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9562 SdHoareTripleChecker+Valid, 8034 SdHoareTripleChecker+Invalid, 6667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:43,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9562 Valid, 8034 Invalid, 6667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6664 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 01:17:43,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4589 states. [2023-11-29 01:17:43,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4589 to 2823. [2023-11-29 01:17:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2786 states have (on average 1.4249820531227566) internal successors, (3970), 2822 states have internal predecessors, (3970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3970 transitions. [2023-11-29 01:17:43,542 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3970 transitions. Word has length 130 [2023-11-29 01:17:43,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:43,543 INFO L495 AbstractCegarLoop]: Abstraction has 2823 states and 3970 transitions. [2023-11-29 01:17:43,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3970 transitions. [2023-11-29 01:17:43,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:43,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:43,546 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:43,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-11-29 01:17:43,546 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:43,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:43,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1184670454, now seen corresponding path program 1 times [2023-11-29 01:17:43,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:43,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479689360] [2023-11-29 01:17:43,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:43,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:44,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:44,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479689360] [2023-11-29 01:17:44,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479689360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:44,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:44,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:17:44,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23080417] [2023-11-29 01:17:44,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:44,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:17:44,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:44,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:17:44,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:17:44,069 INFO L87 Difference]: Start difference. First operand 2823 states and 3970 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:49,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:49,958 INFO L93 Difference]: Finished difference Result 6105 states and 8682 transitions. [2023-11-29 01:17:49,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:17:49,959 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:49,963 INFO L225 Difference]: With dead ends: 6105 [2023-11-29 01:17:49,963 INFO L226 Difference]: Without dead ends: 5873 [2023-11-29 01:17:49,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:17:49,964 INFO L413 NwaCegarLoop]: 2031 mSDtfsCounter, 16282 mSDsluCounter, 9251 mSDsCounter, 0 mSdLazyCounter, 9479 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16282 SdHoareTripleChecker+Valid, 11282 SdHoareTripleChecker+Invalid, 10014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 9479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:49,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16282 Valid, 11282 Invalid, 10014 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [535 Valid, 9479 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-29 01:17:49,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5873 states. [2023-11-29 01:17:49,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5873 to 2831. [2023-11-29 01:17:49,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2794 states have (on average 1.423765211166786) internal successors, (3978), 2830 states have internal predecessors, (3978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3978 transitions. [2023-11-29 01:17:49,995 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3978 transitions. Word has length 130 [2023-11-29 01:17:49,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:49,995 INFO L495 AbstractCegarLoop]: Abstraction has 2831 states and 3978 transitions. [2023-11-29 01:17:49,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:49,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3978 transitions. [2023-11-29 01:17:49,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:49,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:49,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:49,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-11-29 01:17:49,997 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:49,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:49,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1650112382, now seen corresponding path program 1 times [2023-11-29 01:17:49,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:49,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571896170] [2023-11-29 01:17:49,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:49,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:50,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:50,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571896170] [2023-11-29 01:17:50,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571896170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:50,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:50,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:17:50,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639267604] [2023-11-29 01:17:50,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:50,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:17:50,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:50,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:17:50,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:17:50,438 INFO L87 Difference]: Start difference. First operand 2831 states and 3978 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:55,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:55,517 INFO L93 Difference]: Finished difference Result 6097 states and 8674 transitions. [2023-11-29 01:17:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:17:55,517 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:55,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:55,522 INFO L225 Difference]: With dead ends: 6097 [2023-11-29 01:17:55,522 INFO L226 Difference]: Without dead ends: 5869 [2023-11-29 01:17:55,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:17:55,524 INFO L413 NwaCegarLoop]: 1937 mSDtfsCounter, 17399 mSDsluCounter, 6969 mSDsCounter, 0 mSdLazyCounter, 7395 mSolverCounterSat, 550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17399 SdHoareTripleChecker+Valid, 8906 SdHoareTripleChecker+Invalid, 7945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 7395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:55,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17399 Valid, 8906 Invalid, 7945 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [550 Valid, 7395 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 01:17:55,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5869 states. [2023-11-29 01:17:55,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5869 to 2839. [2023-11-29 01:17:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2802 states have (on average 1.422555317630264) internal successors, (3986), 2838 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3986 transitions. [2023-11-29 01:17:55,568 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3986 transitions. Word has length 130 [2023-11-29 01:17:55,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:55,568 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 3986 transitions. [2023-11-29 01:17:55,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:55,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3986 transitions. [2023-11-29 01:17:55,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:17:55,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:55,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:55,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-11-29 01:17:55,571 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:55,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:55,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1961089731, now seen corresponding path program 1 times [2023-11-29 01:17:55,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:55,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889953429] [2023-11-29 01:17:55,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:55,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:55,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:55,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889953429] [2023-11-29 01:17:55,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889953429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:55,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:55,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:17:55,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926827279] [2023-11-29 01:17:55,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:55,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:17:55,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:55,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:17:55,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:17:55,930 INFO L87 Difference]: Start difference. First operand 2839 states and 3986 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:59,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:59,573 INFO L93 Difference]: Finished difference Result 4813 states and 6810 transitions. [2023-11-29 01:17:59,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:17:59,574 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 01:17:59,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:59,577 INFO L225 Difference]: With dead ends: 4813 [2023-11-29 01:17:59,577 INFO L226 Difference]: Without dead ends: 4589 [2023-11-29 01:17:59,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:17:59,579 INFO L413 NwaCegarLoop]: 1994 mSDtfsCounter, 5758 mSDsluCounter, 7534 mSDsCounter, 0 mSdLazyCounter, 7390 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5758 SdHoareTripleChecker+Valid, 9528 SdHoareTripleChecker+Invalid, 7394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:59,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5758 Valid, 9528 Invalid, 7394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7390 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:17:59,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4589 states. [2023-11-29 01:17:59,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4589 to 2839. [2023-11-29 01:17:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2802 states have (on average 1.4218415417558887) internal successors, (3984), 2838 states have internal predecessors, (3984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:59,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3984 transitions. [2023-11-29 01:17:59,614 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3984 transitions. Word has length 130 [2023-11-29 01:17:59,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:59,615 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 3984 transitions. [2023-11-29 01:17:59,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:59,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3984 transitions. [2023-11-29 01:17:59,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:17:59,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:59,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:59,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-11-29 01:17:59,618 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:17:59,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:59,618 INFO L85 PathProgramCache]: Analyzing trace with hash 185439313, now seen corresponding path program 1 times [2023-11-29 01:17:59,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:59,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739769059] [2023-11-29 01:17:59,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:59,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:59,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:59,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:59,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739769059] [2023-11-29 01:17:59,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739769059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:59,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:59,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:17:59,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632601636] [2023-11-29 01:17:59,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:59,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:17:59,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:59,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:17:59,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:17:59,952 INFO L87 Difference]: Start difference. First operand 2839 states and 3984 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:03,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:03,828 INFO L93 Difference]: Finished difference Result 4937 states and 6964 transitions. [2023-11-29 01:18:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:03,828 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:03,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:03,833 INFO L225 Difference]: With dead ends: 4937 [2023-11-29 01:18:03,833 INFO L226 Difference]: Without dead ends: 4685 [2023-11-29 01:18:03,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:03,835 INFO L413 NwaCegarLoop]: 2056 mSDtfsCounter, 6121 mSDsluCounter, 6530 mSDsCounter, 0 mSdLazyCounter, 7046 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6121 SdHoareTripleChecker+Valid, 8586 SdHoareTripleChecker+Invalid, 7050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:03,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6121 Valid, 8586 Invalid, 7050 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7046 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 01:18:03,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4685 states. [2023-11-29 01:18:03,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4685 to 2835. [2023-11-29 01:18:03,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 2798 states have (on average 1.4220872051465332) internal successors, (3979), 2834 states have internal predecessors, (3979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:03,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 3979 transitions. [2023-11-29 01:18:03,875 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 3979 transitions. Word has length 131 [2023-11-29 01:18:03,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:03,875 INFO L495 AbstractCegarLoop]: Abstraction has 2835 states and 3979 transitions. [2023-11-29 01:18:03,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:03,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3979 transitions. [2023-11-29 01:18:03,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:03,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:03,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:03,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-11-29 01:18:03,878 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:03,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:03,878 INFO L85 PathProgramCache]: Analyzing trace with hash 913994796, now seen corresponding path program 1 times [2023-11-29 01:18:03,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:03,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220777518] [2023-11-29 01:18:03,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:03,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:04,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:04,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220777518] [2023-11-29 01:18:04,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220777518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:04,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:04,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:04,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560211419] [2023-11-29 01:18:04,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:04,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:04,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:04,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:04,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:04,209 INFO L87 Difference]: Start difference. First operand 2835 states and 3979 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:07,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:07,815 INFO L93 Difference]: Finished difference Result 4798 states and 6783 transitions. [2023-11-29 01:18:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:07,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:07,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:07,819 INFO L225 Difference]: With dead ends: 4798 [2023-11-29 01:18:07,819 INFO L226 Difference]: Without dead ends: 4585 [2023-11-29 01:18:07,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:07,821 INFO L413 NwaCegarLoop]: 1927 mSDtfsCounter, 9538 mSDsluCounter, 6186 mSDsCounter, 0 mSdLazyCounter, 6671 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9538 SdHoareTripleChecker+Valid, 8113 SdHoareTripleChecker+Invalid, 6675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:07,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9538 Valid, 8113 Invalid, 6675 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6671 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:18:07,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4585 states. [2023-11-29 01:18:07,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4585 to 2831. [2023-11-29 01:18:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2794 states have (on average 1.422333571939871) internal successors, (3974), 2830 states have internal predecessors, (3974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:07,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3974 transitions. [2023-11-29 01:18:07,847 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3974 transitions. Word has length 131 [2023-11-29 01:18:07,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:07,847 INFO L495 AbstractCegarLoop]: Abstraction has 2831 states and 3974 transitions. [2023-11-29 01:18:07,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3974 transitions. [2023-11-29 01:18:07,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:07,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:07,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:07,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-11-29 01:18:07,849 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:07,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:07,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1482510620, now seen corresponding path program 1 times [2023-11-29 01:18:07,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:07,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744039495] [2023-11-29 01:18:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:07,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:08,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:08,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744039495] [2023-11-29 01:18:08,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744039495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:08,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:08,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:08,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046419653] [2023-11-29 01:18:08,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:08,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:08,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:08,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:08,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:08,099 INFO L87 Difference]: Start difference. First operand 2831 states and 3974 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:11,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:11,581 INFO L93 Difference]: Finished difference Result 4798 states and 6782 transitions. [2023-11-29 01:18:11,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:11,582 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:11,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:11,585 INFO L225 Difference]: With dead ends: 4798 [2023-11-29 01:18:11,585 INFO L226 Difference]: Without dead ends: 4585 [2023-11-29 01:18:11,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:11,586 INFO L413 NwaCegarLoop]: 1946 mSDtfsCounter, 6262 mSDsluCounter, 6247 mSDsCounter, 0 mSdLazyCounter, 6727 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6262 SdHoareTripleChecker+Valid, 8193 SdHoareTripleChecker+Invalid, 6731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:11,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6262 Valid, 8193 Invalid, 6731 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6727 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 01:18:11,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4585 states. [2023-11-29 01:18:11,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4585 to 2827. [2023-11-29 01:18:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2827 states, 2790 states have (on average 1.4225806451612903) internal successors, (3969), 2826 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:11,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 3969 transitions. [2023-11-29 01:18:11,621 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 3969 transitions. Word has length 131 [2023-11-29 01:18:11,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:11,621 INFO L495 AbstractCegarLoop]: Abstraction has 2827 states and 3969 transitions. [2023-11-29 01:18:11,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3969 transitions. [2023-11-29 01:18:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:11,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:11,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:11,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-11-29 01:18:11,624 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:11,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:11,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1677875686, now seen corresponding path program 1 times [2023-11-29 01:18:11,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:11,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774569532] [2023-11-29 01:18:11,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:11,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:11,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:11,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774569532] [2023-11-29 01:18:11,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774569532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:11,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:11,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:11,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487824146] [2023-11-29 01:18:11,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:11,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:11,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:11,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:11,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:11,953 INFO L87 Difference]: Start difference. First operand 2827 states and 3969 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:15,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:15,478 INFO L93 Difference]: Finished difference Result 4793 states and 6776 transitions. [2023-11-29 01:18:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:15,479 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:15,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:15,483 INFO L225 Difference]: With dead ends: 4793 [2023-11-29 01:18:15,483 INFO L226 Difference]: Without dead ends: 4585 [2023-11-29 01:18:15,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:15,484 INFO L413 NwaCegarLoop]: 1961 mSDtfsCounter, 9410 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 6783 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9410 SdHoareTripleChecker+Valid, 8254 SdHoareTripleChecker+Invalid, 6787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:15,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9410 Valid, 8254 Invalid, 6787 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6783 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 01:18:15,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4585 states. [2023-11-29 01:18:15,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4585 to 2823. [2023-11-29 01:18:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2786 states have (on average 1.4228284278535535) internal successors, (3964), 2822 states have internal predecessors, (3964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:15,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3964 transitions. [2023-11-29 01:18:15,521 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3964 transitions. Word has length 131 [2023-11-29 01:18:15,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:15,521 INFO L495 AbstractCegarLoop]: Abstraction has 2823 states and 3964 transitions. [2023-11-29 01:18:15,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:15,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3964 transitions. [2023-11-29 01:18:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:15,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:15,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:15,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-11-29 01:18:15,524 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:15,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:15,524 INFO L85 PathProgramCache]: Analyzing trace with hash -479317748, now seen corresponding path program 1 times [2023-11-29 01:18:15,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:15,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895294668] [2023-11-29 01:18:15,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:15,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:15,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:15,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895294668] [2023-11-29 01:18:15,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895294668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:15,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:15,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:15,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185770215] [2023-11-29 01:18:15,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:15,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:15,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:15,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:15,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:15,867 INFO L87 Difference]: Start difference. First operand 2823 states and 3964 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:19,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:19,478 INFO L93 Difference]: Finished difference Result 4798 states and 6779 transitions. [2023-11-29 01:18:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:19,478 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:19,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:19,483 INFO L225 Difference]: With dead ends: 4798 [2023-11-29 01:18:19,483 INFO L226 Difference]: Without dead ends: 4585 [2023-11-29 01:18:19,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:19,484 INFO L413 NwaCegarLoop]: 1978 mSDtfsCounter, 9328 mSDsluCounter, 6349 mSDsCounter, 0 mSdLazyCounter, 6835 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9328 SdHoareTripleChecker+Valid, 8327 SdHoareTripleChecker+Invalid, 6839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:19,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9328 Valid, 8327 Invalid, 6839 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6835 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:18:19,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4585 states. [2023-11-29 01:18:19,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4585 to 2819. [2023-11-29 01:18:19,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2782 states have (on average 1.4230769230769231) internal successors, (3959), 2818 states have internal predecessors, (3959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:19,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 3959 transitions. [2023-11-29 01:18:19,522 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 3959 transitions. Word has length 131 [2023-11-29 01:18:19,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:19,522 INFO L495 AbstractCegarLoop]: Abstraction has 2819 states and 3959 transitions. [2023-11-29 01:18:19,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:19,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3959 transitions. [2023-11-29 01:18:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:19,525 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:19,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:19,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-11-29 01:18:19,525 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:19,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:19,526 INFO L85 PathProgramCache]: Analyzing trace with hash 488907720, now seen corresponding path program 1 times [2023-11-29 01:18:19,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:19,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205888258] [2023-11-29 01:18:19,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:19,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:19,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:19,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205888258] [2023-11-29 01:18:19,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205888258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:19,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:19,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:19,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436253544] [2023-11-29 01:18:19,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:19,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:19,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:19,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:19,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:19,886 INFO L87 Difference]: Start difference. First operand 2819 states and 3959 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:23,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:23,528 INFO L93 Difference]: Finished difference Result 4785 states and 6763 transitions. [2023-11-29 01:18:23,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:23,529 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:23,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:23,532 INFO L225 Difference]: With dead ends: 4785 [2023-11-29 01:18:23,532 INFO L226 Difference]: Without dead ends: 4585 [2023-11-29 01:18:23,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:18:23,534 INFO L413 NwaCegarLoop]: 1895 mSDtfsCounter, 9484 mSDsluCounter, 6240 mSDsCounter, 0 mSdLazyCounter, 6658 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9484 SdHoareTripleChecker+Valid, 8135 SdHoareTripleChecker+Invalid, 6662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:23,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9484 Valid, 8135 Invalid, 6662 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6658 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:18:23,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4585 states. [2023-11-29 01:18:23,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4585 to 2819. [2023-11-29 01:18:23,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2782 states have (on average 1.4227174694464415) internal successors, (3958), 2818 states have internal predecessors, (3958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 3958 transitions. [2023-11-29 01:18:23,584 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 3958 transitions. Word has length 131 [2023-11-29 01:18:23,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:23,584 INFO L495 AbstractCegarLoop]: Abstraction has 2819 states and 3958 transitions. [2023-11-29 01:18:23,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:23,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3958 transitions. [2023-11-29 01:18:23,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:23,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:23,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:23,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-11-29 01:18:23,587 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:23,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:23,587 INFO L85 PathProgramCache]: Analyzing trace with hash -760828014, now seen corresponding path program 1 times [2023-11-29 01:18:23,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:23,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913924367] [2023-11-29 01:18:23,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:23,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:23,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:23,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913924367] [2023-11-29 01:18:23,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913924367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:23,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:23,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:23,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810462281] [2023-11-29 01:18:23,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:23,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:23,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:23,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:23,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:23,915 INFO L87 Difference]: Start difference. First operand 2819 states and 3958 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:27,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:27,180 INFO L93 Difference]: Finished difference Result 4791 states and 6771 transitions. [2023-11-29 01:18:27,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:27,181 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:27,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:27,185 INFO L225 Difference]: With dead ends: 4791 [2023-11-29 01:18:27,185 INFO L226 Difference]: Without dead ends: 4585 [2023-11-29 01:18:27,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:27,187 INFO L413 NwaCegarLoop]: 1993 mSDtfsCounter, 6166 mSDsluCounter, 6399 mSDsCounter, 0 mSdLazyCounter, 6887 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6166 SdHoareTripleChecker+Valid, 8392 SdHoareTripleChecker+Invalid, 6891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:27,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6166 Valid, 8392 Invalid, 6891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6887 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:18:27,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4585 states. [2023-11-29 01:18:27,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4585 to 2815. [2023-11-29 01:18:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2778 states have (on average 1.4229661627069834) internal successors, (3953), 2814 states have internal predecessors, (3953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:27,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3953 transitions. [2023-11-29 01:18:27,223 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3953 transitions. Word has length 131 [2023-11-29 01:18:27,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:27,223 INFO L495 AbstractCegarLoop]: Abstraction has 2815 states and 3953 transitions. [2023-11-29 01:18:27,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3953 transitions. [2023-11-29 01:18:27,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:27,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:27,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:27,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-11-29 01:18:27,226 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:27,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:27,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1048485512, now seen corresponding path program 1 times [2023-11-29 01:18:27,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:27,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167072844] [2023-11-29 01:18:27,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:27,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:27,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:27,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167072844] [2023-11-29 01:18:27,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167072844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:27,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:27,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:27,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802989491] [2023-11-29 01:18:27,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:27,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:27,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:27,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:27,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:27,556 INFO L87 Difference]: Start difference. First operand 2815 states and 3953 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:31,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:31,462 INFO L93 Difference]: Finished difference Result 5139 states and 7243 transitions. [2023-11-29 01:18:31,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:31,463 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:31,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:31,467 INFO L225 Difference]: With dead ends: 5139 [2023-11-29 01:18:31,467 INFO L226 Difference]: Without dead ends: 4697 [2023-11-29 01:18:31,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:31,469 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 5895 mSDsluCounter, 7021 mSDsCounter, 0 mSdLazyCounter, 7494 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5895 SdHoareTripleChecker+Valid, 9309 SdHoareTripleChecker+Invalid, 7498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:31,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5895 Valid, 9309 Invalid, 7498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7494 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 01:18:31,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4697 states. [2023-11-29 01:18:31,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4697 to 2807. [2023-11-29 01:18:31,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 2770 states have (on average 1.4234657039711192) internal successors, (3943), 2806 states have internal predecessors, (3943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3943 transitions. [2023-11-29 01:18:31,507 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3943 transitions. Word has length 131 [2023-11-29 01:18:31,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:31,507 INFO L495 AbstractCegarLoop]: Abstraction has 2807 states and 3943 transitions. [2023-11-29 01:18:31,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3943 transitions. [2023-11-29 01:18:31,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:31,509 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:31,509 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:31,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-11-29 01:18:31,510 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:31,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:31,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1451851988, now seen corresponding path program 1 times [2023-11-29 01:18:31,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:31,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738146548] [2023-11-29 01:18:31,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:31,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:31,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:31,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:31,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738146548] [2023-11-29 01:18:31,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738146548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:31,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:31,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:31,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983774629] [2023-11-29 01:18:31,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:31,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:31,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:31,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:31,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:31,834 INFO L87 Difference]: Start difference. First operand 2807 states and 3943 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:35,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:35,344 INFO L93 Difference]: Finished difference Result 4813 states and 6800 transitions. [2023-11-29 01:18:35,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:35,344 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:35,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:35,348 INFO L225 Difference]: With dead ends: 4813 [2023-11-29 01:18:35,348 INFO L226 Difference]: Without dead ends: 4577 [2023-11-29 01:18:35,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:35,349 INFO L413 NwaCegarLoop]: 2012 mSDtfsCounter, 9194 mSDsluCounter, 6445 mSDsCounter, 0 mSdLazyCounter, 6932 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9194 SdHoareTripleChecker+Valid, 8457 SdHoareTripleChecker+Invalid, 6936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:35,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9194 Valid, 8457 Invalid, 6936 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6932 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 01:18:35,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4577 states. [2023-11-29 01:18:35,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4577 to 2799. [2023-11-29 01:18:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2762 states have (on average 1.4239681390296886) internal successors, (3933), 2798 states have internal predecessors, (3933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3933 transitions. [2023-11-29 01:18:35,379 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3933 transitions. Word has length 131 [2023-11-29 01:18:35,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:35,379 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3933 transitions. [2023-11-29 01:18:35,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:35,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3933 transitions. [2023-11-29 01:18:35,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:35,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:35,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:35,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-11-29 01:18:35,382 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:35,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:35,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1771562243, now seen corresponding path program 1 times [2023-11-29 01:18:35,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:35,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737932171] [2023-11-29 01:18:35,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:35,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:35,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:35,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737932171] [2023-11-29 01:18:35,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737932171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:35,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:35,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:35,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353186643] [2023-11-29 01:18:35,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:35,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:35,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:35,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:35,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:35,713 INFO L87 Difference]: Start difference. First operand 2799 states and 3933 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:39,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:39,368 INFO L93 Difference]: Finished difference Result 4943 states and 6981 transitions. [2023-11-29 01:18:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:39,369 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:39,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:39,373 INFO L225 Difference]: With dead ends: 4943 [2023-11-29 01:18:39,374 INFO L226 Difference]: Without dead ends: 4641 [2023-11-29 01:18:39,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:39,375 INFO L413 NwaCegarLoop]: 2219 mSDtfsCounter, 5824 mSDsluCounter, 7023 mSDsCounter, 0 mSdLazyCounter, 7440 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5824 SdHoareTripleChecker+Valid, 9242 SdHoareTripleChecker+Invalid, 7444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:39,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5824 Valid, 9242 Invalid, 7444 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7440 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:18:39,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4641 states. [2023-11-29 01:18:39,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4641 to 2791. [2023-11-29 01:18:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.4244734931009442) internal successors, (3923), 2790 states have internal predecessors, (3923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3923 transitions. [2023-11-29 01:18:39,414 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3923 transitions. Word has length 131 [2023-11-29 01:18:39,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:39,414 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3923 transitions. [2023-11-29 01:18:39,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3923 transitions. [2023-11-29 01:18:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:39,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:39,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:39,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-11-29 01:18:39,417 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:39,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:39,417 INFO L85 PathProgramCache]: Analyzing trace with hash 819465922, now seen corresponding path program 1 times [2023-11-29 01:18:39,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:39,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470843443] [2023-11-29 01:18:39,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:39,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:39,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:39,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:39,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470843443] [2023-11-29 01:18:39,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470843443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:39,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:39,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:39,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937763336] [2023-11-29 01:18:39,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:39,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:39,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:39,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:39,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:39,745 INFO L87 Difference]: Start difference. First operand 2791 states and 3923 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:43,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:43,669 INFO L93 Difference]: Finished difference Result 4927 states and 6954 transitions. [2023-11-29 01:18:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:43,670 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:43,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:43,673 INFO L225 Difference]: With dead ends: 4927 [2023-11-29 01:18:43,674 INFO L226 Difference]: Without dead ends: 4641 [2023-11-29 01:18:43,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:43,675 INFO L413 NwaCegarLoop]: 2264 mSDtfsCounter, 8450 mSDsluCounter, 7172 mSDsCounter, 0 mSdLazyCounter, 7574 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8450 SdHoareTripleChecker+Valid, 9436 SdHoareTripleChecker+Invalid, 7578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:43,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8450 Valid, 9436 Invalid, 7578 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7574 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 01:18:43,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4641 states. [2023-11-29 01:18:43,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4641 to 2783. [2023-11-29 01:18:43,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2783 states, 2746 states have (on average 1.4249817916970138) internal successors, (3913), 2782 states have internal predecessors, (3913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:43,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2783 states and 3913 transitions. [2023-11-29 01:18:43,706 INFO L78 Accepts]: Start accepts. Automaton has 2783 states and 3913 transitions. Word has length 131 [2023-11-29 01:18:43,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:43,707 INFO L495 AbstractCegarLoop]: Abstraction has 2783 states and 3913 transitions. [2023-11-29 01:18:43,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3913 transitions. [2023-11-29 01:18:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:43,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:43,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:43,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-11-29 01:18:43,709 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:43,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:43,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1139176177, now seen corresponding path program 1 times [2023-11-29 01:18:43,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:43,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411655168] [2023-11-29 01:18:43,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:43,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:43,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:43,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411655168] [2023-11-29 01:18:43,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411655168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:43,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:43,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:43,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451270340] [2023-11-29 01:18:43,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:43,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:43,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:43,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:43,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:43,967 INFO L87 Difference]: Start difference. First operand 2783 states and 3913 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:47,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:47,967 INFO L93 Difference]: Finished difference Result 4793 states and 6772 transitions. [2023-11-29 01:18:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:47,967 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:47,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:47,971 INFO L225 Difference]: With dead ends: 4793 [2023-11-29 01:18:47,971 INFO L226 Difference]: Without dead ends: 4561 [2023-11-29 01:18:47,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:47,973 INFO L413 NwaCegarLoop]: 2123 mSDtfsCounter, 5917 mSDsluCounter, 6784 mSDsCounter, 0 mSdLazyCounter, 7264 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5917 SdHoareTripleChecker+Valid, 8907 SdHoareTripleChecker+Invalid, 7268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:47,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5917 Valid, 8907 Invalid, 7268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7264 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 01:18:47,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4561 states. [2023-11-29 01:18:48,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4561 to 2775. [2023-11-29 01:18:48,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.4254930606281957) internal successors, (3903), 2774 states have internal predecessors, (3903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3903 transitions. [2023-11-29 01:18:48,009 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3903 transitions. Word has length 131 [2023-11-29 01:18:48,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:48,009 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3903 transitions. [2023-11-29 01:18:48,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:48,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3903 transitions. [2023-11-29 01:18:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:48,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:48,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:48,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-11-29 01:18:48,012 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:48,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:48,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1707692001, now seen corresponding path program 1 times [2023-11-29 01:18:48,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:48,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174630345] [2023-11-29 01:18:48,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:48,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:48,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:48,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174630345] [2023-11-29 01:18:48,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174630345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:48,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:48,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:48,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24040594] [2023-11-29 01:18:48,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:48,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:48,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:48,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:48,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:48,344 INFO L87 Difference]: Start difference. First operand 2775 states and 3903 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:52,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:52,144 INFO L93 Difference]: Finished difference Result 4793 states and 6770 transitions. [2023-11-29 01:18:52,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:52,145 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:52,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:52,149 INFO L225 Difference]: With dead ends: 4793 [2023-11-29 01:18:52,149 INFO L226 Difference]: Without dead ends: 4561 [2023-11-29 01:18:52,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:52,150 INFO L413 NwaCegarLoop]: 2140 mSDtfsCounter, 8715 mSDsluCounter, 6835 mSDsCounter, 0 mSdLazyCounter, 7324 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8715 SdHoareTripleChecker+Valid, 8975 SdHoareTripleChecker+Invalid, 7328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:52,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8715 Valid, 8975 Invalid, 7328 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7324 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:18:52,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4561 states. [2023-11-29 01:18:52,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4561 to 2767. [2023-11-29 01:18:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 2730 states have (on average 1.426007326007326) internal successors, (3893), 2766 states have internal predecessors, (3893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:52,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3893 transitions. [2023-11-29 01:18:52,186 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3893 transitions. Word has length 131 [2023-11-29 01:18:52,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:52,186 INFO L495 AbstractCegarLoop]: Abstraction has 2767 states and 3893 transitions. [2023-11-29 01:18:52,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3893 transitions. [2023-11-29 01:18:52,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 01:18:52,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:52,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:52,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-11-29 01:18:52,189 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:52,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:52,189 INFO L85 PathProgramCache]: Analyzing trace with hash -427654969, now seen corresponding path program 1 times [2023-11-29 01:18:52,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:52,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428990759] [2023-11-29 01:18:52,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:52,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:52,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:52,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428990759] [2023-11-29 01:18:52,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428990759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:52,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:52,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:52,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961674361] [2023-11-29 01:18:52,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:52,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:52,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:52,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:52,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:52,512 INFO L87 Difference]: Start difference. First operand 2767 states and 3893 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:56,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:56,296 INFO L93 Difference]: Finished difference Result 4789 states and 6765 transitions. [2023-11-29 01:18:56,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:56,296 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-11-29 01:18:56,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:56,300 INFO L225 Difference]: With dead ends: 4789 [2023-11-29 01:18:56,300 INFO L226 Difference]: Without dead ends: 4561 [2023-11-29 01:18:56,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:18:56,302 INFO L413 NwaCegarLoop]: 2210 mSDtfsCounter, 5737 mSDsluCounter, 7047 mSDsCounter, 0 mSdLazyCounter, 7601 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5737 SdHoareTripleChecker+Valid, 9257 SdHoareTripleChecker+Invalid, 7604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:56,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5737 Valid, 9257 Invalid, 7604 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7601 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:18:56,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4561 states. [2023-11-29 01:18:56,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4561 to 2759. [2023-11-29 01:18:56,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.426524614254225) internal successors, (3883), 2758 states have internal predecessors, (3883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:56,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3883 transitions. [2023-11-29 01:18:56,343 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3883 transitions. Word has length 131 [2023-11-29 01:18:56,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:56,343 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3883 transitions. [2023-11-29 01:18:56,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:56,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3883 transitions. [2023-11-29 01:18:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:18:56,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:56,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:56,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-11-29 01:18:56,346 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:18:56,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:56,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1448994654, now seen corresponding path program 1 times [2023-11-29 01:18:56,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:56,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699680029] [2023-11-29 01:18:56,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:56,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:56,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:56,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699680029] [2023-11-29 01:18:56,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699680029] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:56,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:56,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:56,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466214428] [2023-11-29 01:18:56,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:56,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:56,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:56,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:56,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:56,729 INFO L87 Difference]: Start difference. First operand 2759 states and 3883 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:00,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:00,676 INFO L93 Difference]: Finished difference Result 4665 states and 6567 transitions. [2023-11-29 01:19:00,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:19:00,676 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:00,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:00,679 INFO L225 Difference]: With dead ends: 4665 [2023-11-29 01:19:00,679 INFO L226 Difference]: Without dead ends: 4465 [2023-11-29 01:19:00,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:19:00,680 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 8456 mSDsluCounter, 7566 mSDsCounter, 0 mSdLazyCounter, 7607 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8456 SdHoareTripleChecker+Valid, 9734 SdHoareTripleChecker+Invalid, 7611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:00,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8456 Valid, 9734 Invalid, 7611 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7607 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 01:19:00,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2023-11-29 01:19:00,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 2759. [2023-11-29 01:19:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.426157237325496) internal successors, (3882), 2758 states have internal predecessors, (3882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:00,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3882 transitions. [2023-11-29 01:19:00,713 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3882 transitions. Word has length 132 [2023-11-29 01:19:00,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:00,713 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3882 transitions. [2023-11-29 01:19:00,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3882 transitions. [2023-11-29 01:19:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:00,716 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:00,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:00,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-11-29 01:19:00,716 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:00,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:00,717 INFO L85 PathProgramCache]: Analyzing trace with hash -524930312, now seen corresponding path program 1 times [2023-11-29 01:19:00,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:00,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107594459] [2023-11-29 01:19:00,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:00,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:01,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:01,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107594459] [2023-11-29 01:19:01,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107594459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:01,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:01,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:19:01,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077030323] [2023-11-29 01:19:01,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:01,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:19:01,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:01,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:19:01,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:19:01,265 INFO L87 Difference]: Start difference. First operand 2759 states and 3882 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:06,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:06,688 INFO L93 Difference]: Finished difference Result 6057 states and 8587 transitions. [2023-11-29 01:19:06,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:19:06,688 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:06,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:06,692 INFO L225 Difference]: With dead ends: 6057 [2023-11-29 01:19:06,692 INFO L226 Difference]: Without dead ends: 5835 [2023-11-29 01:19:06,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:19:06,694 INFO L413 NwaCegarLoop]: 2229 mSDtfsCounter, 15818 mSDsluCounter, 7711 mSDsCounter, 0 mSdLazyCounter, 8172 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15818 SdHoareTripleChecker+Valid, 9940 SdHoareTripleChecker+Invalid, 8630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 8172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:06,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15818 Valid, 9940 Invalid, 8630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [458 Valid, 8172 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 01:19:06,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5835 states. [2023-11-29 01:19:06,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5835 to 2763. [2023-11-29 01:19:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2726 states have (on average 1.425531914893617) internal successors, (3886), 2762 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:06,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3886 transitions. [2023-11-29 01:19:06,731 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 3886 transitions. Word has length 132 [2023-11-29 01:19:06,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:06,731 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 3886 transitions. [2023-11-29 01:19:06,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3886 transitions. [2023-11-29 01:19:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:06,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:06,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:06,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-11-29 01:19:06,734 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:06,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:06,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1817096829, now seen corresponding path program 1 times [2023-11-29 01:19:06,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:06,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809497755] [2023-11-29 01:19:06,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:06,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:07,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:07,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809497755] [2023-11-29 01:19:07,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809497755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:07,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:07,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:19:07,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242490033] [2023-11-29 01:19:07,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:07,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:19:07,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:07,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:19:07,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:19:07,320 INFO L87 Difference]: Start difference. First operand 2763 states and 3886 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:12,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:12,668 INFO L93 Difference]: Finished difference Result 5761 states and 8145 transitions. [2023-11-29 01:19:12,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:19:12,668 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:12,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:12,672 INFO L225 Difference]: With dead ends: 5761 [2023-11-29 01:19:12,673 INFO L226 Difference]: Without dead ends: 5561 [2023-11-29 01:19:12,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:19:12,674 INFO L413 NwaCegarLoop]: 1979 mSDtfsCounter, 16359 mSDsluCounter, 8785 mSDsCounter, 0 mSdLazyCounter, 9218 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16359 SdHoareTripleChecker+Valid, 10764 SdHoareTripleChecker+Invalid, 9718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 9218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:12,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16359 Valid, 10764 Invalid, 9718 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [500 Valid, 9218 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 01:19:12,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5561 states. [2023-11-29 01:19:12,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5561 to 2767. [2023-11-29 01:19:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 2730 states have (on average 1.424908424908425) internal successors, (3890), 2766 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3890 transitions. [2023-11-29 01:19:12,714 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3890 transitions. Word has length 132 [2023-11-29 01:19:12,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:12,714 INFO L495 AbstractCegarLoop]: Abstraction has 2767 states and 3890 transitions. [2023-11-29 01:19:12,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:12,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3890 transitions. [2023-11-29 01:19:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:12,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:12,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:12,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-11-29 01:19:12,717 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:12,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:12,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1844159447, now seen corresponding path program 1 times [2023-11-29 01:19:12,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:12,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388778515] [2023-11-29 01:19:12,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:12,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:13,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:13,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:13,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388778515] [2023-11-29 01:19:13,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388778515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:13,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:13,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:19:13,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625831524] [2023-11-29 01:19:13,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:13,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:19:13,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:13,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:19:13,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:19:13,095 INFO L87 Difference]: Start difference. First operand 2767 states and 3890 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:17,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:17,043 INFO L93 Difference]: Finished difference Result 4665 states and 6565 transitions. [2023-11-29 01:19:17,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:19:17,044 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:17,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:17,048 INFO L225 Difference]: With dead ends: 4665 [2023-11-29 01:19:17,048 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:19:17,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:19:17,050 INFO L413 NwaCegarLoop]: 2264 mSDtfsCounter, 8448 mSDsluCounter, 7729 mSDsCounter, 0 mSdLazyCounter, 7735 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8448 SdHoareTripleChecker+Valid, 9993 SdHoareTripleChecker+Invalid, 7738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:17,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8448 Valid, 9993 Invalid, 7738 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7735 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 01:19:17,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:19:17,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2767. [2023-11-29 01:19:17,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 2730 states have (on average 1.4245421245421246) internal successors, (3889), 2766 states have internal predecessors, (3889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3889 transitions. [2023-11-29 01:19:17,088 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3889 transitions. Word has length 132 [2023-11-29 01:19:17,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:17,088 INFO L495 AbstractCegarLoop]: Abstraction has 2767 states and 3889 transitions. [2023-11-29 01:19:17,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:17,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3889 transitions. [2023-11-29 01:19:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:17,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:17,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:17,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-11-29 01:19:17,092 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:17,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:17,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1191592964, now seen corresponding path program 1 times [2023-11-29 01:19:17,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:17,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480397205] [2023-11-29 01:19:17,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:17,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:17,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:17,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480397205] [2023-11-29 01:19:17,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480397205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:17,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:17,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:19:17,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941060466] [2023-11-29 01:19:17,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:17,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:19:17,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:17,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:19:17,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:19:17,650 INFO L87 Difference]: Start difference. First operand 2767 states and 3889 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:23,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:23,176 INFO L93 Difference]: Finished difference Result 5753 states and 8135 transitions. [2023-11-29 01:19:23,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:19:23,177 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:23,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:23,182 INFO L225 Difference]: With dead ends: 5753 [2023-11-29 01:19:23,182 INFO L226 Difference]: Without dead ends: 5557 [2023-11-29 01:19:23,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:19:23,185 INFO L413 NwaCegarLoop]: 2030 mSDtfsCounter, 15555 mSDsluCounter, 7060 mSDsCounter, 0 mSdLazyCounter, 7743 mSolverCounterSat, 496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15555 SdHoareTripleChecker+Valid, 9090 SdHoareTripleChecker+Invalid, 8239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 496 IncrementalHoareTripleChecker+Valid, 7743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:23,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15555 Valid, 9090 Invalid, 8239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [496 Valid, 7743 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-29 01:19:23,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2023-11-29 01:19:23,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 2771. [2023-11-29 01:19:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2734 states have (on average 1.4239209948792977) internal successors, (3893), 2770 states have internal predecessors, (3893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3893 transitions. [2023-11-29 01:19:23,229 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3893 transitions. Word has length 132 [2023-11-29 01:19:23,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:23,229 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3893 transitions. [2023-11-29 01:19:23,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3893 transitions. [2023-11-29 01:19:23,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:23,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:23,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:23,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-11-29 01:19:23,233 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:23,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:23,233 INFO L85 PathProgramCache]: Analyzing trace with hash 357215951, now seen corresponding path program 1 times [2023-11-29 01:19:23,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:23,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169904795] [2023-11-29 01:19:23,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:23,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:23,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:23,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169904795] [2023-11-29 01:19:23,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169904795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:23,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:23,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:19:23,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647389723] [2023-11-29 01:19:23,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:23,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:19:23,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:23,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:19:23,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:19:23,568 INFO L87 Difference]: Start difference. First operand 2771 states and 3893 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:27,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:27,115 INFO L93 Difference]: Finished difference Result 4669 states and 6567 transitions. [2023-11-29 01:19:27,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:19:27,116 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:27,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:27,121 INFO L225 Difference]: With dead ends: 4669 [2023-11-29 01:19:27,121 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:19:27,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:19:27,122 INFO L413 NwaCegarLoop]: 1931 mSDtfsCounter, 6262 mSDsluCounter, 6107 mSDsCounter, 0 mSdLazyCounter, 6807 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6262 SdHoareTripleChecker+Valid, 8038 SdHoareTripleChecker+Invalid, 6811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:27,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6262 Valid, 8038 Invalid, 6811 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6807 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:19:27,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:19:27,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2771. [2023-11-29 01:19:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2734 states have (on average 1.4235552304316021) internal successors, (3892), 2770 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3892 transitions. [2023-11-29 01:19:27,164 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3892 transitions. Word has length 132 [2023-11-29 01:19:27,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:27,165 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3892 transitions. [2023-11-29 01:19:27,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3892 transitions. [2023-11-29 01:19:27,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:27,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:27,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:27,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-11-29 01:19:27,167 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:27,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:27,167 INFO L85 PathProgramCache]: Analyzing trace with hash 990709504, now seen corresponding path program 1 times [2023-11-29 01:19:27,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:27,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175200839] [2023-11-29 01:19:27,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:27,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:27,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:27,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175200839] [2023-11-29 01:19:27,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175200839] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:27,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:27,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:19:27,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686425355] [2023-11-29 01:19:27,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:27,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:19:27,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:27,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:19:27,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:19:27,525 INFO L87 Difference]: Start difference. First operand 2771 states and 3892 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:30,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:30,744 INFO L93 Difference]: Finished difference Result 4665 states and 6561 transitions. [2023-11-29 01:19:30,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:19:30,744 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:30,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:30,748 INFO L225 Difference]: With dead ends: 4665 [2023-11-29 01:19:30,748 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:19:30,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:19:30,749 INFO L413 NwaCegarLoop]: 2252 mSDtfsCounter, 8383 mSDsluCounter, 6181 mSDsCounter, 0 mSdLazyCounter, 6477 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8383 SdHoareTripleChecker+Valid, 8433 SdHoareTripleChecker+Invalid, 6480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:30,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8383 Valid, 8433 Invalid, 6480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6477 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:19:30,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:19:30,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2771. [2023-11-29 01:19:30,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2734 states have (on average 1.4231894659839064) internal successors, (3891), 2770 states have internal predecessors, (3891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3891 transitions. [2023-11-29 01:19:30,784 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3891 transitions. Word has length 132 [2023-11-29 01:19:30,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:30,784 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3891 transitions. [2023-11-29 01:19:30,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3891 transitions. [2023-11-29 01:19:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:30,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:30,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:30,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-11-29 01:19:30,787 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:30,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:30,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1194466600, now seen corresponding path program 1 times [2023-11-29 01:19:30,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:30,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099188857] [2023-11-29 01:19:30,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:30,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:31,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:31,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099188857] [2023-11-29 01:19:31,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099188857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:31,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:31,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:19:31,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673683904] [2023-11-29 01:19:31,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:31,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:19:31,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:31,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:19:31,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:19:31,354 INFO L87 Difference]: Start difference. First operand 2771 states and 3891 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:37,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:37,280 INFO L93 Difference]: Finished difference Result 5753 states and 8131 transitions. [2023-11-29 01:19:37,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:19:37,280 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:37,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:37,284 INFO L225 Difference]: With dead ends: 5753 [2023-11-29 01:19:37,284 INFO L226 Difference]: Without dead ends: 5557 [2023-11-29 01:19:37,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:19:37,285 INFO L413 NwaCegarLoop]: 1961 mSDtfsCounter, 16406 mSDsluCounter, 8729 mSDsCounter, 0 mSdLazyCounter, 9130 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16406 SdHoareTripleChecker+Valid, 10690 SdHoareTripleChecker+Invalid, 9634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 9130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:37,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16406 Valid, 10690 Invalid, 9634 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [504 Valid, 9130 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-29 01:19:37,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2023-11-29 01:19:37,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 2775. [2023-11-29 01:19:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.4225712198685172) internal successors, (3895), 2774 states have internal predecessors, (3895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3895 transitions. [2023-11-29 01:19:37,321 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3895 transitions. Word has length 132 [2023-11-29 01:19:37,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:37,321 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3895 transitions. [2023-11-29 01:19:37,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3895 transitions. [2023-11-29 01:19:37,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:37,323 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:37,324 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:37,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-11-29 01:19:37,324 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:37,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:37,324 INFO L85 PathProgramCache]: Analyzing trace with hash -957304008, now seen corresponding path program 1 times [2023-11-29 01:19:37,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:37,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254658812] [2023-11-29 01:19:37,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:37,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:37,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:37,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254658812] [2023-11-29 01:19:37,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254658812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:37,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:37,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:19:37,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965759687] [2023-11-29 01:19:37,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:37,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:19:37,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:37,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:19:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:19:37,670 INFO L87 Difference]: Start difference. First operand 2775 states and 3895 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:41,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:41,035 INFO L93 Difference]: Finished difference Result 4783 states and 6740 transitions. [2023-11-29 01:19:41,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:19:41,035 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:41,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:41,040 INFO L225 Difference]: With dead ends: 4783 [2023-11-29 01:19:41,040 INFO L226 Difference]: Without dead ends: 4577 [2023-11-29 01:19:41,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:19:41,041 INFO L413 NwaCegarLoop]: 2598 mSDtfsCounter, 8202 mSDsluCounter, 6924 mSDsCounter, 0 mSdLazyCounter, 6831 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8202 SdHoareTripleChecker+Valid, 9522 SdHoareTripleChecker+Invalid, 6834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:41,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8202 Valid, 9522 Invalid, 6834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 6831 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:19:41,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4577 states. [2023-11-29 01:19:41,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4577 to 2775. [2023-11-29 01:19:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.4222059897735573) internal successors, (3894), 2774 states have internal predecessors, (3894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3894 transitions. [2023-11-29 01:19:41,078 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3894 transitions. Word has length 132 [2023-11-29 01:19:41,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:41,079 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3894 transitions. [2023-11-29 01:19:41,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:41,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3894 transitions. [2023-11-29 01:19:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:41,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:41,081 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:41,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-11-29 01:19:41,081 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:41,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:41,082 INFO L85 PathProgramCache]: Analyzing trace with hash 801337725, now seen corresponding path program 1 times [2023-11-29 01:19:41,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:41,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136960815] [2023-11-29 01:19:41,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:41,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:41,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:41,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136960815] [2023-11-29 01:19:41,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136960815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:41,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:41,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:19:41,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903348518] [2023-11-29 01:19:41,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:41,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:19:41,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:41,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:19:41,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:19:41,431 INFO L87 Difference]: Start difference. First operand 2775 states and 3894 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:45,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:45,193 INFO L93 Difference]: Finished difference Result 4669 states and 6562 transitions. [2023-11-29 01:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:19:45,194 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:45,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:45,198 INFO L225 Difference]: With dead ends: 4669 [2023-11-29 01:19:45,198 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:19:45,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:19:45,200 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 9226 mSDsluCounter, 6134 mSDsCounter, 0 mSdLazyCounter, 6813 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9226 SdHoareTripleChecker+Valid, 8074 SdHoareTripleChecker+Invalid, 6817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:45,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9226 Valid, 8074 Invalid, 6817 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6813 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:19:45,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:19:45,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2775. [2023-11-29 01:19:45,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.4218407596785976) internal successors, (3893), 2774 states have internal predecessors, (3893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:45,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3893 transitions. [2023-11-29 01:19:45,237 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3893 transitions. Word has length 132 [2023-11-29 01:19:45,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:45,238 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3893 transitions. [2023-11-29 01:19:45,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3893 transitions. [2023-11-29 01:19:45,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:45,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:45,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:45,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-11-29 01:19:45,241 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:45,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:45,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1434420176, now seen corresponding path program 1 times [2023-11-29 01:19:45,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:45,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440342465] [2023-11-29 01:19:45,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:45,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:45,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:45,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440342465] [2023-11-29 01:19:45,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440342465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:45,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:45,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:19:45,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448586058] [2023-11-29 01:19:45,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:45,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:19:45,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:45,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:19:45,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:19:45,605 INFO L87 Difference]: Start difference. First operand 2775 states and 3893 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:49,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:49,517 INFO L93 Difference]: Finished difference Result 4665 states and 6556 transitions. [2023-11-29 01:19:49,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:19:49,517 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:49,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:49,521 INFO L225 Difference]: With dead ends: 4665 [2023-11-29 01:19:49,521 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:19:49,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:19:49,522 INFO L413 NwaCegarLoop]: 2263 mSDtfsCounter, 8431 mSDsluCounter, 7738 mSDsCounter, 0 mSdLazyCounter, 7699 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8431 SdHoareTripleChecker+Valid, 10001 SdHoareTripleChecker+Invalid, 7702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:49,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8431 Valid, 10001 Invalid, 7702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7699 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 01:19:49,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:19:49,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2775. [2023-11-29 01:19:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.4214755295836377) internal successors, (3892), 2774 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3892 transitions. [2023-11-29 01:19:49,558 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3892 transitions. Word has length 132 [2023-11-29 01:19:49,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:49,558 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3892 transitions. [2023-11-29 01:19:49,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:49,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3892 transitions. [2023-11-29 01:19:49,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:49,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:49,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:49,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-11-29 01:19:49,561 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:49,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:49,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1635303636, now seen corresponding path program 1 times [2023-11-29 01:19:49,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:49,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93616724] [2023-11-29 01:19:49,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:49,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:49,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:49,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93616724] [2023-11-29 01:19:49,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93616724] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:49,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:49,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:19:49,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371769132] [2023-11-29 01:19:49,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:49,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:19:49,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:49,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:19:49,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:19:49,886 INFO L87 Difference]: Start difference. First operand 2775 states and 3892 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:53,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:53,635 INFO L93 Difference]: Finished difference Result 4665 states and 6555 transitions. [2023-11-29 01:19:53,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:19:53,636 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:53,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:53,640 INFO L225 Difference]: With dead ends: 4665 [2023-11-29 01:19:53,640 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:19:53,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:19:53,642 INFO L413 NwaCegarLoop]: 1999 mSDtfsCounter, 8991 mSDsluCounter, 6315 mSDsCounter, 0 mSdLazyCounter, 7021 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8991 SdHoareTripleChecker+Valid, 8314 SdHoareTripleChecker+Invalid, 7024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:53,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8991 Valid, 8314 Invalid, 7024 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7021 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:19:53,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:19:53,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2775. [2023-11-29 01:19:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.421110299488678) internal successors, (3891), 2774 states have internal predecessors, (3891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3891 transitions. [2023-11-29 01:19:53,677 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3891 transitions. Word has length 132 [2023-11-29 01:19:53,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:53,677 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3891 transitions. [2023-11-29 01:19:53,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3891 transitions. [2023-11-29 01:19:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:53,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:53,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:53,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-11-29 01:19:53,680 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:53,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:53,680 INFO L85 PathProgramCache]: Analyzing trace with hash 506562520, now seen corresponding path program 1 times [2023-11-29 01:19:53,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:53,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594597842] [2023-11-29 01:19:53,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:53,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:54,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:54,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594597842] [2023-11-29 01:19:54,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594597842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:54,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:54,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:19:54,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680495425] [2023-11-29 01:19:54,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:54,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:19:54,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:54,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:19:54,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:19:54,054 INFO L87 Difference]: Start difference. First operand 2775 states and 3891 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:57,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:57,260 INFO L93 Difference]: Finished difference Result 4665 states and 6553 transitions. [2023-11-29 01:19:57,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:19:57,260 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:19:57,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:57,264 INFO L225 Difference]: With dead ends: 4665 [2023-11-29 01:19:57,264 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:19:57,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:19:57,266 INFO L413 NwaCegarLoop]: 2217 mSDtfsCounter, 8228 mSDsluCounter, 6158 mSDsCounter, 0 mSdLazyCounter, 6500 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8228 SdHoareTripleChecker+Valid, 8375 SdHoareTripleChecker+Invalid, 6504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:57,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8228 Valid, 8375 Invalid, 6504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6500 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:19:57,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:19:57,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2775. [2023-11-29 01:19:57,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.420745069393718) internal successors, (3890), 2774 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3890 transitions. [2023-11-29 01:19:57,301 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3890 transitions. Word has length 132 [2023-11-29 01:19:57,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:57,301 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3890 transitions. [2023-11-29 01:19:57,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3890 transitions. [2023-11-29 01:19:57,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:19:57,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:57,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:19:57,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-11-29 01:19:57,304 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:19:57,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:57,304 INFO L85 PathProgramCache]: Analyzing trace with hash -164358129, now seen corresponding path program 1 times [2023-11-29 01:19:57,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:57,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961370060] [2023-11-29 01:19:57,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:57,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:57,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:57,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961370060] [2023-11-29 01:19:57,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961370060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:57,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:57,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:19:57,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772083353] [2023-11-29 01:19:57,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:57,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:19:57,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:57,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:19:57,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:19:57,675 INFO L87 Difference]: Start difference. First operand 2775 states and 3890 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:01,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:01,597 INFO L93 Difference]: Finished difference Result 4664 states and 6550 transitions. [2023-11-29 01:20:01,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:20:01,598 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:01,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:01,601 INFO L225 Difference]: With dead ends: 4664 [2023-11-29 01:20:01,601 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:20:01,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:20:01,602 INFO L413 NwaCegarLoop]: 2270 mSDtfsCounter, 8421 mSDsluCounter, 7766 mSDsCounter, 0 mSdLazyCounter, 7676 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8421 SdHoareTripleChecker+Valid, 10036 SdHoareTripleChecker+Invalid, 7679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:01,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8421 Valid, 10036 Invalid, 7679 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7676 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 01:20:01,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:20:01,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2775. [2023-11-29 01:20:01,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.420379839298758) internal successors, (3889), 2774 states have internal predecessors, (3889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:01,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3889 transitions. [2023-11-29 01:20:01,636 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3889 transitions. Word has length 132 [2023-11-29 01:20:01,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:01,636 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3889 transitions. [2023-11-29 01:20:01,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:01,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3889 transitions. [2023-11-29 01:20:01,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:01,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:01,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:01,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-11-29 01:20:01,639 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:01,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:01,639 INFO L85 PathProgramCache]: Analyzing trace with hash 667910620, now seen corresponding path program 1 times [2023-11-29 01:20:01,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:01,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162500926] [2023-11-29 01:20:01,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:01,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:02,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:02,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:02,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162500926] [2023-11-29 01:20:02,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162500926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:02,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:02,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:20:02,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058020823] [2023-11-29 01:20:02,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:02,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:20:02,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:02,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:20:02,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:20:02,196 INFO L87 Difference]: Start difference. First operand 2775 states and 3889 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:08,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:08,384 INFO L93 Difference]: Finished difference Result 5751 states and 8119 transitions. [2023-11-29 01:20:08,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:20:08,385 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:08,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:08,390 INFO L225 Difference]: With dead ends: 5751 [2023-11-29 01:20:08,390 INFO L226 Difference]: Without dead ends: 5556 [2023-11-29 01:20:08,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:20:08,391 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 15415 mSDsluCounter, 9065 mSDsCounter, 0 mSdLazyCounter, 9442 mSolverCounterSat, 499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15415 SdHoareTripleChecker+Valid, 11102 SdHoareTripleChecker+Invalid, 9941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 499 IncrementalHoareTripleChecker+Valid, 9442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:08,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15415 Valid, 11102 Invalid, 9941 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [499 Valid, 9442 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-29 01:20:08,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5556 states. [2023-11-29 01:20:08,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5556 to 2779. [2023-11-29 01:20:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2742 states have (on average 1.4197665937272064) internal successors, (3893), 2778 states have internal predecessors, (3893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3893 transitions. [2023-11-29 01:20:08,432 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3893 transitions. Word has length 132 [2023-11-29 01:20:08,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:08,432 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 3893 transitions. [2023-11-29 01:20:08,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:08,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3893 transitions. [2023-11-29 01:20:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:08,435 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:08,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:08,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-11-29 01:20:08,435 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:08,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:08,435 INFO L85 PathProgramCache]: Analyzing trace with hash 947399556, now seen corresponding path program 1 times [2023-11-29 01:20:08,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:08,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544166099] [2023-11-29 01:20:08,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:08,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:08,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:08,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544166099] [2023-11-29 01:20:08,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544166099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:08,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:08,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:20:08,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162491827] [2023-11-29 01:20:08,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:08,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:20:08,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:08,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:20:08,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:20:08,775 INFO L87 Difference]: Start difference. First operand 2779 states and 3893 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:12,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:12,277 INFO L93 Difference]: Finished difference Result 4665 states and 6549 transitions. [2023-11-29 01:20:12,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:20:12,278 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:12,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:12,282 INFO L225 Difference]: With dead ends: 4665 [2023-11-29 01:20:12,282 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:20:12,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:20:12,284 INFO L413 NwaCegarLoop]: 1934 mSDtfsCounter, 9227 mSDsluCounter, 6124 mSDsCounter, 0 mSdLazyCounter, 6759 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9227 SdHoareTripleChecker+Valid, 8058 SdHoareTripleChecker+Invalid, 6763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:12,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9227 Valid, 8058 Invalid, 6763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6759 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 01:20:12,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:20:12,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2779. [2023-11-29 01:20:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2742 states have (on average 1.4194018964259665) internal successors, (3892), 2778 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:12,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3892 transitions. [2023-11-29 01:20:12,335 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3892 transitions. Word has length 132 [2023-11-29 01:20:12,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:12,335 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 3892 transitions. [2023-11-29 01:20:12,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:12,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3892 transitions. [2023-11-29 01:20:12,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:12,337 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:12,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:12,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2023-11-29 01:20:12,337 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:12,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:12,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1750091896, now seen corresponding path program 1 times [2023-11-29 01:20:12,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:12,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044232893] [2023-11-29 01:20:12,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:12,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:12,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:12,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:12,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044232893] [2023-11-29 01:20:12,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044232893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:12,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:12,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:20:12,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193308195] [2023-11-29 01:20:12,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:12,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:20:12,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:12,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:20:12,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:20:12,678 INFO L87 Difference]: Start difference. First operand 2779 states and 3892 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:15,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:15,801 INFO L93 Difference]: Finished difference Result 4664 states and 6546 transitions. [2023-11-29 01:20:15,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:20:15,801 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:15,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:15,805 INFO L225 Difference]: With dead ends: 4664 [2023-11-29 01:20:15,806 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:20:15,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:20:15,807 INFO L413 NwaCegarLoop]: 2138 mSDtfsCounter, 8357 mSDsluCounter, 6004 mSDsCounter, 0 mSdLazyCounter, 6281 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8357 SdHoareTripleChecker+Valid, 8142 SdHoareTripleChecker+Invalid, 6285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:15,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8357 Valid, 8142 Invalid, 6285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6281 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:20:15,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:20:15,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2779. [2023-11-29 01:20:15,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2742 states have (on average 1.4190371991247264) internal successors, (3891), 2778 states have internal predecessors, (3891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:15,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3891 transitions. [2023-11-29 01:20:15,844 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3891 transitions. Word has length 132 [2023-11-29 01:20:15,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:15,844 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 3891 transitions. [2023-11-29 01:20:15,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:15,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3891 transitions. [2023-11-29 01:20:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:15,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:15,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:15,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2023-11-29 01:20:15,847 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:15,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:15,847 INFO L85 PathProgramCache]: Analyzing trace with hash 114201234, now seen corresponding path program 1 times [2023-11-29 01:20:15,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:15,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538330774] [2023-11-29 01:20:15,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:15,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:16,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:16,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:16,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538330774] [2023-11-29 01:20:16,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538330774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:16,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:16,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:20:16,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815912800] [2023-11-29 01:20:16,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:16,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:20:16,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:16,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:20:16,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:20:16,184 INFO L87 Difference]: Start difference. First operand 2779 states and 3891 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:19,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:19,836 INFO L93 Difference]: Finished difference Result 4669 states and 6549 transitions. [2023-11-29 01:20:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:20:19,836 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:19,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:19,840 INFO L225 Difference]: With dead ends: 4669 [2023-11-29 01:20:19,840 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:20:19,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:20:19,841 INFO L413 NwaCegarLoop]: 1934 mSDtfsCounter, 6233 mSDsluCounter, 6120 mSDsCounter, 0 mSdLazyCounter, 6742 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6233 SdHoareTripleChecker+Valid, 8054 SdHoareTripleChecker+Invalid, 6746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:19,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6233 Valid, 8054 Invalid, 6746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6742 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:20:19,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:20:19,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2779. [2023-11-29 01:20:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2742 states have (on average 1.4186725018234865) internal successors, (3890), 2778 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3890 transitions. [2023-11-29 01:20:19,878 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3890 transitions. Word has length 132 [2023-11-29 01:20:19,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:19,878 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 3890 transitions. [2023-11-29 01:20:19,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3890 transitions. [2023-11-29 01:20:19,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:19,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:19,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:19,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-11-29 01:20:19,881 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:19,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:19,881 INFO L85 PathProgramCache]: Analyzing trace with hash 746516096, now seen corresponding path program 1 times [2023-11-29 01:20:19,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:19,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688438463] [2023-11-29 01:20:19,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:19,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:20,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:20,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688438463] [2023-11-29 01:20:20,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688438463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:20,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:20,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:20:20,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464337849] [2023-11-29 01:20:20,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:20,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:20:20,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:20,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:20:20,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:20:20,260 INFO L87 Difference]: Start difference. First operand 2779 states and 3890 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:24,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:24,305 INFO L93 Difference]: Finished difference Result 4665 states and 6544 transitions. [2023-11-29 01:20:24,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:20:24,306 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:24,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:24,309 INFO L225 Difference]: With dead ends: 4665 [2023-11-29 01:20:24,309 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:20:24,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:20:24,310 INFO L413 NwaCegarLoop]: 2248 mSDtfsCounter, 8410 mSDsluCounter, 7721 mSDsCounter, 0 mSdLazyCounter, 7628 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8410 SdHoareTripleChecker+Valid, 9969 SdHoareTripleChecker+Invalid, 7631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:24,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8410 Valid, 9969 Invalid, 7631 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7628 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:20:24,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:20:24,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2779. [2023-11-29 01:20:24,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2742 states have (on average 1.4183078045222466) internal successors, (3889), 2778 states have internal predecessors, (3889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:24,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3889 transitions. [2023-11-29 01:20:24,350 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3889 transitions. Word has length 132 [2023-11-29 01:20:24,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:24,350 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 3889 transitions. [2023-11-29 01:20:24,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3889 transitions. [2023-11-29 01:20:24,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:24,352 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:24,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:24,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2023-11-29 01:20:24,352 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:24,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:24,352 INFO L85 PathProgramCache]: Analyzing trace with hash -371690780, now seen corresponding path program 1 times [2023-11-29 01:20:24,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:24,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631205761] [2023-11-29 01:20:24,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:24,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:24,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:24,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631205761] [2023-11-29 01:20:24,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631205761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:24,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:24,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:20:24,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213343954] [2023-11-29 01:20:24,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:24,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:20:24,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:24,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:20:24,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:20:24,890 INFO L87 Difference]: Start difference. First operand 2779 states and 3889 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:30,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:30,276 INFO L93 Difference]: Finished difference Result 5753 states and 8114 transitions. [2023-11-29 01:20:30,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:20:30,277 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:30,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:30,280 INFO L225 Difference]: With dead ends: 5753 [2023-11-29 01:20:30,280 INFO L226 Difference]: Without dead ends: 5557 [2023-11-29 01:20:30,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:20:30,281 INFO L413 NwaCegarLoop]: 1963 mSDtfsCounter, 16396 mSDsluCounter, 7507 mSDsCounter, 0 mSdLazyCounter, 8125 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16396 SdHoareTripleChecker+Valid, 9470 SdHoareTripleChecker+Invalid, 8636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 8125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:30,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16396 Valid, 9470 Invalid, 8636 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [511 Valid, 8125 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 01:20:30,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2023-11-29 01:20:30,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 2783. [2023-11-29 01:20:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2783 states, 2746 states have (on average 1.4176984705025493) internal successors, (3893), 2782 states have internal predecessors, (3893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:30,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2783 states and 3893 transitions. [2023-11-29 01:20:30,318 INFO L78 Accepts]: Start accepts. Automaton has 2783 states and 3893 transitions. Word has length 132 [2023-11-29 01:20:30,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:30,318 INFO L495 AbstractCegarLoop]: Abstraction has 2783 states and 3893 transitions. [2023-11-29 01:20:30,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:30,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3893 transitions. [2023-11-29 01:20:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:30,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:30,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:30,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-11-29 01:20:30,321 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:30,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:30,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1222186242, now seen corresponding path program 1 times [2023-11-29 01:20:30,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:30,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398582366] [2023-11-29 01:20:30,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:30,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:30,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:30,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:30,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398582366] [2023-11-29 01:20:30,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398582366] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:30,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:30,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:20:30,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863995196] [2023-11-29 01:20:30,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:30,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:20:30,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:30,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:20:30,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:20:30,663 INFO L87 Difference]: Start difference. First operand 2783 states and 3893 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:33,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:33,755 INFO L93 Difference]: Finished difference Result 4664 states and 6541 transitions. [2023-11-29 01:20:33,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:20:33,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:33,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:33,759 INFO L225 Difference]: With dead ends: 4664 [2023-11-29 01:20:33,760 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:20:33,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:20:33,761 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 8347 mSDsluCounter, 6203 mSDsCounter, 0 mSdLazyCounter, 6395 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8347 SdHoareTripleChecker+Valid, 8449 SdHoareTripleChecker+Invalid, 6398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:33,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8347 Valid, 8449 Invalid, 6398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6395 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:20:33,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:20:33,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2783. [2023-11-29 01:20:33,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2783 states, 2746 states have (on average 1.417334304442826) internal successors, (3892), 2782 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2783 states and 3892 transitions. [2023-11-29 01:20:33,797 INFO L78 Accepts]: Start accepts. Automaton has 2783 states and 3892 transitions. Word has length 132 [2023-11-29 01:20:33,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:33,797 INFO L495 AbstractCegarLoop]: Abstraction has 2783 states and 3892 transitions. [2023-11-29 01:20:33,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:33,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3892 transitions. [2023-11-29 01:20:33,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:33,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:33,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:33,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-11-29 01:20:33,800 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:33,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:33,800 INFO L85 PathProgramCache]: Analyzing trace with hash 2054454991, now seen corresponding path program 1 times [2023-11-29 01:20:33,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:33,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040144666] [2023-11-29 01:20:33,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:33,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:34,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:34,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040144666] [2023-11-29 01:20:34,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040144666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:34,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:34,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:20:34,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198763339] [2023-11-29 01:20:34,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:34,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:20:34,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:34,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:20:34,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:20:34,381 INFO L87 Difference]: Start difference. First operand 2783 states and 3892 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:39,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:39,850 INFO L93 Difference]: Finished difference Result 5751 states and 8110 transitions. [2023-11-29 01:20:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:20:39,851 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:39,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:39,856 INFO L225 Difference]: With dead ends: 5751 [2023-11-29 01:20:39,856 INFO L226 Difference]: Without dead ends: 5556 [2023-11-29 01:20:39,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:20:39,858 INFO L413 NwaCegarLoop]: 2035 mSDtfsCounter, 15539 mSDsluCounter, 7068 mSDsCounter, 0 mSdLazyCounter, 7602 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15539 SdHoareTripleChecker+Valid, 9103 SdHoareTripleChecker+Invalid, 8109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 7602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:39,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15539 Valid, 9103 Invalid, 8109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [507 Valid, 7602 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 01:20:39,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5556 states. [2023-11-29 01:20:39,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5556 to 2787. [2023-11-29 01:20:39,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2787 states, 2750 states have (on average 1.4167272727272728) internal successors, (3896), 2786 states have internal predecessors, (3896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:39,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 3896 transitions. [2023-11-29 01:20:39,899 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 3896 transitions. Word has length 132 [2023-11-29 01:20:39,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:39,899 INFO L495 AbstractCegarLoop]: Abstraction has 2787 states and 3896 transitions. [2023-11-29 01:20:39,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:39,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3896 transitions. [2023-11-29 01:20:39,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:39,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:39,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:39,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-11-29 01:20:39,902 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:39,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:39,902 INFO L85 PathProgramCache]: Analyzing trace with hash -116370780, now seen corresponding path program 1 times [2023-11-29 01:20:39,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:39,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885152727] [2023-11-29 01:20:39,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:39,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:40,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:40,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:40,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885152727] [2023-11-29 01:20:40,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885152727] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:40,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:40,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:20:40,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614578073] [2023-11-29 01:20:40,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:40,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:20:40,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:40,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:20:40,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:20:40,527 INFO L87 Difference]: Start difference. First operand 2787 states and 3896 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:45,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:45,807 INFO L93 Difference]: Finished difference Result 5751 states and 8109 transitions. [2023-11-29 01:20:45,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:20:45,807 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:45,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:45,812 INFO L225 Difference]: With dead ends: 5751 [2023-11-29 01:20:45,812 INFO L226 Difference]: Without dead ends: 5556 [2023-11-29 01:20:45,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:20:45,814 INFO L413 NwaCegarLoop]: 1953 mSDtfsCounter, 16448 mSDsluCounter, 7477 mSDsCounter, 0 mSdLazyCounter, 8065 mSolverCounterSat, 515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16448 SdHoareTripleChecker+Valid, 9430 SdHoareTripleChecker+Invalid, 8580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 8065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:45,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16448 Valid, 9430 Invalid, 8580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [515 Valid, 8065 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 01:20:45,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5556 states. [2023-11-29 01:20:45,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5556 to 2791. [2023-11-29 01:20:45,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.4161220043572984) internal successors, (3900), 2790 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3900 transitions. [2023-11-29 01:20:45,850 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3900 transitions. Word has length 132 [2023-11-29 01:20:45,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:45,850 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3900 transitions. [2023-11-29 01:20:45,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:45,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3900 transitions. [2023-11-29 01:20:45,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:45,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:45,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:45,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-11-29 01:20:45,853 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:45,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:45,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1250746154, now seen corresponding path program 1 times [2023-11-29 01:20:45,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:45,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821009699] [2023-11-29 01:20:45,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:45,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:46,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:46,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821009699] [2023-11-29 01:20:46,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821009699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:46,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:46,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:20:46,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440967796] [2023-11-29 01:20:46,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:46,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:20:46,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:46,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:20:46,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:20:46,147 INFO L87 Difference]: Start difference. First operand 2791 states and 3900 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:49,275 INFO L93 Difference]: Finished difference Result 4673 states and 6550 transitions. [2023-11-29 01:20:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:20:49,275 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:49,279 INFO L225 Difference]: With dead ends: 4673 [2023-11-29 01:20:49,279 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:20:49,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:20:49,280 INFO L413 NwaCegarLoop]: 2212 mSDtfsCounter, 8345 mSDsluCounter, 6127 mSDsCounter, 0 mSdLazyCounter, 6361 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8345 SdHoareTripleChecker+Valid, 8339 SdHoareTripleChecker+Invalid, 6364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:49,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8345 Valid, 8339 Invalid, 6364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6361 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:20:49,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:20:49,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2791. [2023-11-29 01:20:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.4153957879448076) internal successors, (3898), 2790 states have internal predecessors, (3898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:49,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3898 transitions. [2023-11-29 01:20:49,316 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3898 transitions. Word has length 132 [2023-11-29 01:20:49,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:49,316 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3898 transitions. [2023-11-29 01:20:49,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:49,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3898 transitions. [2023-11-29 01:20:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:49,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:49,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:49,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2023-11-29 01:20:49,319 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:49,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:49,319 INFO L85 PathProgramCache]: Analyzing trace with hash 614003505, now seen corresponding path program 1 times [2023-11-29 01:20:49,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:49,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132067533] [2023-11-29 01:20:49,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:49,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:49,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:49,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132067533] [2023-11-29 01:20:49,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132067533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:49,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:49,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:20:49,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090103935] [2023-11-29 01:20:49,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:49,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:20:49,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:49,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:20:49,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:20:49,645 INFO L87 Difference]: Start difference. First operand 2791 states and 3898 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:53,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:53,062 INFO L93 Difference]: Finished difference Result 4679 states and 6555 transitions. [2023-11-29 01:20:53,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:20:53,063 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:53,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:53,067 INFO L225 Difference]: With dead ends: 4679 [2023-11-29 01:20:53,067 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:20:53,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:20:53,069 INFO L413 NwaCegarLoop]: 1917 mSDtfsCounter, 6257 mSDsluCounter, 6065 mSDsCounter, 0 mSdLazyCounter, 6652 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6257 SdHoareTripleChecker+Valid, 7982 SdHoareTripleChecker+Invalid, 6656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:53,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6257 Valid, 7982 Invalid, 6656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6652 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:20:53,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:20:53,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2791. [2023-11-29 01:20:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.4146695715323165) internal successors, (3896), 2790 states have internal predecessors, (3896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:53,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3896 transitions. [2023-11-29 01:20:53,121 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3896 transitions. Word has length 132 [2023-11-29 01:20:53,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:53,122 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3896 transitions. [2023-11-29 01:20:53,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:53,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3896 transitions. [2023-11-29 01:20:53,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:53,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:53,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:53,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2023-11-29 01:20:53,124 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:53,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:53,125 INFO L85 PathProgramCache]: Analyzing trace with hash 245901330, now seen corresponding path program 1 times [2023-11-29 01:20:53,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:53,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835140356] [2023-11-29 01:20:53,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:53,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:53,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:53,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835140356] [2023-11-29 01:20:53,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835140356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:53,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:53,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:20:53,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640211814] [2023-11-29 01:20:53,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:53,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:20:53,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:53,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:20:53,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:20:53,518 INFO L87 Difference]: Start difference. First operand 2791 states and 3896 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:58,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:58,041 INFO L93 Difference]: Finished difference Result 4679 states and 6551 transitions. [2023-11-29 01:20:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:20:58,041 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:20:58,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:58,045 INFO L225 Difference]: With dead ends: 4679 [2023-11-29 01:20:58,046 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:20:58,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:20:58,047 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 8403 mSDsluCounter, 7479 mSDsCounter, 0 mSdLazyCounter, 7391 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8403 SdHoareTripleChecker+Valid, 9580 SdHoareTripleChecker+Invalid, 7395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:58,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8403 Valid, 9580 Invalid, 7395 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7391 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 01:20:58,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:20:58,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2791. [2023-11-29 01:20:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.4139433551198257) internal successors, (3894), 2790 states have internal predecessors, (3894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3894 transitions. [2023-11-29 01:20:58,086 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3894 transitions. Word has length 132 [2023-11-29 01:20:58,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:58,086 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3894 transitions. [2023-11-29 01:20:58,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:20:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3894 transitions. [2023-11-29 01:20:58,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:20:58,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:58,088 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:20:58,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2023-11-29 01:20:58,088 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:20:58,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:58,089 INFO L85 PathProgramCache]: Analyzing trace with hash 654746558, now seen corresponding path program 1 times [2023-11-29 01:20:58,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:20:58,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602266757] [2023-11-29 01:20:58,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:58,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:20:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:20:58,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:20:58,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602266757] [2023-11-29 01:20:58,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602266757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:58,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:58,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:20:58,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080902523] [2023-11-29 01:20:58,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:58,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:20:58,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:20:58,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:20:58,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:20:58,444 INFO L87 Difference]: Start difference. First operand 2791 states and 3894 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:02,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:02,472 INFO L93 Difference]: Finished difference Result 4845 states and 6786 transitions. [2023-11-29 01:21:02,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:21:02,473 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:02,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:02,477 INFO L225 Difference]: With dead ends: 4845 [2023-11-29 01:21:02,477 INFO L226 Difference]: Without dead ends: 4601 [2023-11-29 01:21:02,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:21:02,479 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 5573 mSDsluCounter, 8420 mSDsCounter, 0 mSdLazyCounter, 8043 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5573 SdHoareTripleChecker+Valid, 10935 SdHoareTripleChecker+Invalid, 8047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:02,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5573 Valid, 10935 Invalid, 8047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 8043 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:21:02,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2023-11-29 01:21:02,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 2791. [2023-11-29 01:21:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.413217138707335) internal successors, (3892), 2790 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3892 transitions. [2023-11-29 01:21:02,514 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3892 transitions. Word has length 132 [2023-11-29 01:21:02,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:02,515 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3892 transitions. [2023-11-29 01:21:02,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3892 transitions. [2023-11-29 01:21:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:02,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:02,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:02,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2023-11-29 01:21:02,517 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:02,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:02,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1748057004, now seen corresponding path program 1 times [2023-11-29 01:21:02,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:02,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766642004] [2023-11-29 01:21:02,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:02,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:02,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:02,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766642004] [2023-11-29 01:21:02,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766642004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:02,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:02,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:21:02,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543397138] [2023-11-29 01:21:02,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:02,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:21:02,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:02,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:21:02,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:21:02,883 INFO L87 Difference]: Start difference. First operand 2791 states and 3892 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:06,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:06,548 INFO L93 Difference]: Finished difference Result 4845 states and 6782 transitions. [2023-11-29 01:21:06,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:21:06,549 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:06,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:06,552 INFO L225 Difference]: With dead ends: 4845 [2023-11-29 01:21:06,552 INFO L226 Difference]: Without dead ends: 4601 [2023-11-29 01:21:06,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:21:06,553 INFO L413 NwaCegarLoop]: 2413 mSDtfsCounter, 5928 mSDsluCounter, 7402 mSDsCounter, 0 mSdLazyCounter, 7038 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5928 SdHoareTripleChecker+Valid, 9815 SdHoareTripleChecker+Invalid, 7043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:06,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5928 Valid, 9815 Invalid, 7043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7038 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:21:06,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2023-11-29 01:21:06,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 2791. [2023-11-29 01:21:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.4124909222948439) internal successors, (3890), 2790 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:06,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3890 transitions. [2023-11-29 01:21:06,587 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3890 transitions. Word has length 132 [2023-11-29 01:21:06,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:06,587 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3890 transitions. [2023-11-29 01:21:06,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:06,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3890 transitions. [2023-11-29 01:21:06,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:06,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:06,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:06,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2023-11-29 01:21:06,589 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:06,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:06,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2138065064, now seen corresponding path program 1 times [2023-11-29 01:21:06,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:06,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017751912] [2023-11-29 01:21:06,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:06,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:06,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:06,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017751912] [2023-11-29 01:21:06,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017751912] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:06,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:06,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:21:06,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765618427] [2023-11-29 01:21:06,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:06,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:21:06,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:06,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:21:06,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:21:06,966 INFO L87 Difference]: Start difference. First operand 2791 states and 3890 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:10,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:10,086 INFO L93 Difference]: Finished difference Result 4679 states and 6545 transitions. [2023-11-29 01:21:10,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:21:10,087 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:10,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:10,091 INFO L225 Difference]: With dead ends: 4679 [2023-11-29 01:21:10,091 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 01:21:10,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:21:10,093 INFO L413 NwaCegarLoop]: 2182 mSDtfsCounter, 8331 mSDsluCounter, 6105 mSDsCounter, 0 mSdLazyCounter, 6280 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8331 SdHoareTripleChecker+Valid, 8287 SdHoareTripleChecker+Invalid, 6284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:10,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8331 Valid, 8287 Invalid, 6284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6280 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:21:10,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 01:21:10,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2791. [2023-11-29 01:21:10,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.411764705882353) internal successors, (3888), 2790 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3888 transitions. [2023-11-29 01:21:10,127 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3888 transitions. Word has length 132 [2023-11-29 01:21:10,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:10,127 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3888 transitions. [2023-11-29 01:21:10,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3888 transitions. [2023-11-29 01:21:10,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:10,130 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:10,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:10,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2023-11-29 01:21:10,130 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:10,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:10,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1120799510, now seen corresponding path program 1 times [2023-11-29 01:21:10,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:10,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476158791] [2023-11-29 01:21:10,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:10,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:10,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:10,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:10,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476158791] [2023-11-29 01:21:10,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476158791] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:10,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:10,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:21:10,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769501802] [2023-11-29 01:21:10,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:10,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:21:10,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:10,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:21:10,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:21:10,687 INFO L87 Difference]: Start difference. First operand 2791 states and 3888 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:16,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:16,950 INFO L93 Difference]: Finished difference Result 6505 states and 9170 transitions. [2023-11-29 01:21:16,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:21:16,951 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:16,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:16,957 INFO L225 Difference]: With dead ends: 6505 [2023-11-29 01:21:16,957 INFO L226 Difference]: Without dead ends: 6187 [2023-11-29 01:21:16,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:21:16,959 INFO L413 NwaCegarLoop]: 2480 mSDtfsCounter, 14617 mSDsluCounter, 8454 mSDsCounter, 0 mSdLazyCounter, 8761 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14617 SdHoareTripleChecker+Valid, 10934 SdHoareTripleChecker+Invalid, 9195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 8761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:16,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14617 Valid, 10934 Invalid, 9195 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [434 Valid, 8761 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-29 01:21:16,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6187 states. [2023-11-29 01:21:16,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6187 to 2799. [2023-11-29 01:21:16,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2762 states have (on average 1.4105720492396814) internal successors, (3896), 2798 states have internal predecessors, (3896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3896 transitions. [2023-11-29 01:21:17,002 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3896 transitions. Word has length 132 [2023-11-29 01:21:17,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:17,003 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3896 transitions. [2023-11-29 01:21:17,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3896 transitions. [2023-11-29 01:21:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:17,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:17,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:17,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2023-11-29 01:21:17,006 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:17,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:17,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1490287988, now seen corresponding path program 1 times [2023-11-29 01:21:17,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:17,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689126393] [2023-11-29 01:21:17,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:17,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:17,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:17,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689126393] [2023-11-29 01:21:17,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689126393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:17,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:17,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:21:17,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120790467] [2023-11-29 01:21:17,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:17,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:21:17,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:17,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:21:17,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:21:17,354 INFO L87 Difference]: Start difference. First operand 2799 states and 3896 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:21,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:21,195 INFO L93 Difference]: Finished difference Result 4687 states and 6551 transitions. [2023-11-29 01:21:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:21:21,196 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:21,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:21,200 INFO L225 Difference]: With dead ends: 4687 [2023-11-29 01:21:21,200 INFO L226 Difference]: Without dead ends: 4477 [2023-11-29 01:21:21,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:21:21,202 INFO L413 NwaCegarLoop]: 2247 mSDtfsCounter, 5738 mSDsluCounter, 7769 mSDsCounter, 0 mSdLazyCounter, 7657 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5738 SdHoareTripleChecker+Valid, 10016 SdHoareTripleChecker+Invalid, 7661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:21,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5738 Valid, 10016 Invalid, 7661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7657 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 01:21:21,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4477 states. [2023-11-29 01:21:21,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4477 to 2799. [2023-11-29 01:21:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2762 states have (on average 1.4098479362780594) internal successors, (3894), 2798 states have internal predecessors, (3894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3894 transitions. [2023-11-29 01:21:21,240 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3894 transitions. Word has length 132 [2023-11-29 01:21:21,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:21,240 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3894 transitions. [2023-11-29 01:21:21,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3894 transitions. [2023-11-29 01:21:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:21,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:21,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:21,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2023-11-29 01:21:21,242 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:21,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:21,243 INFO L85 PathProgramCache]: Analyzing trace with hash 2126550025, now seen corresponding path program 1 times [2023-11-29 01:21:21,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:21,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711412506] [2023-11-29 01:21:21,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:21,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:21,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:21,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711412506] [2023-11-29 01:21:21,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711412506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:21,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:21,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:21:21,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696545643] [2023-11-29 01:21:21,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:21,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:21:21,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:21,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:21:21,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:21:21,578 INFO L87 Difference]: Start difference. First operand 2799 states and 3894 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:25,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:25,355 INFO L93 Difference]: Finished difference Result 4681 states and 6540 transitions. [2023-11-29 01:21:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:21:25,356 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:25,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:25,359 INFO L225 Difference]: With dead ends: 4681 [2023-11-29 01:21:25,359 INFO L226 Difference]: Without dead ends: 4477 [2023-11-29 01:21:25,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:21:25,360 INFO L413 NwaCegarLoop]: 2185 mSDtfsCounter, 5871 mSDsluCounter, 7658 mSDsCounter, 0 mSdLazyCounter, 7458 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5871 SdHoareTripleChecker+Valid, 9843 SdHoareTripleChecker+Invalid, 7462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:25,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5871 Valid, 9843 Invalid, 7462 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7458 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:21:25,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4477 states. [2023-11-29 01:21:25,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4477 to 2799. [2023-11-29 01:21:25,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2762 states have (on average 1.4091238233164374) internal successors, (3892), 2798 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:25,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3892 transitions. [2023-11-29 01:21:25,393 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3892 transitions. Word has length 132 [2023-11-29 01:21:25,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:25,393 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3892 transitions. [2023-11-29 01:21:25,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3892 transitions. [2023-11-29 01:21:25,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:25,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:25,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:25,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2023-11-29 01:21:25,396 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:25,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:25,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1531031041, now seen corresponding path program 1 times [2023-11-29 01:21:25,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:25,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846031070] [2023-11-29 01:21:25,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:25,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:25,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:25,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:25,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846031070] [2023-11-29 01:21:25,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846031070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:25,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:25,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:21:25,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422649433] [2023-11-29 01:21:25,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:25,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:21:25,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:25,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:21:25,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:21:25,730 INFO L87 Difference]: Start difference. First operand 2799 states and 3892 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:29,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:29,337 INFO L93 Difference]: Finished difference Result 4853 states and 6782 transitions. [2023-11-29 01:21:29,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:21:29,337 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:29,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:29,342 INFO L225 Difference]: With dead ends: 4853 [2023-11-29 01:21:29,342 INFO L226 Difference]: Without dead ends: 4609 [2023-11-29 01:21:29,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:21:29,343 INFO L413 NwaCegarLoop]: 2513 mSDtfsCounter, 5565 mSDsluCounter, 7493 mSDsCounter, 0 mSdLazyCounter, 7275 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5565 SdHoareTripleChecker+Valid, 10006 SdHoareTripleChecker+Invalid, 7280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:29,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5565 Valid, 10006 Invalid, 7280 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7275 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:21:29,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4609 states. [2023-11-29 01:21:29,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4609 to 2799. [2023-11-29 01:21:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2762 states have (on average 1.4083997103548154) internal successors, (3890), 2798 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3890 transitions. [2023-11-29 01:21:29,380 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3890 transitions. Word has length 132 [2023-11-29 01:21:29,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:29,380 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3890 transitions. [2023-11-29 01:21:29,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:29,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3890 transitions. [2023-11-29 01:21:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:29,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:29,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:29,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2023-11-29 01:21:29,383 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:29,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:29,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1122185813, now seen corresponding path program 1 times [2023-11-29 01:21:29,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:29,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201912565] [2023-11-29 01:21:29,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:29,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:29,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:29,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201912565] [2023-11-29 01:21:29,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201912565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:29,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:29,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:21:29,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452489056] [2023-11-29 01:21:29,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:29,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:21:29,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:29,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:21:29,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:21:29,772 INFO L87 Difference]: Start difference. First operand 2799 states and 3890 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:33,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:33,739 INFO L93 Difference]: Finished difference Result 4687 states and 6543 transitions. [2023-11-29 01:21:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:21:33,739 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:33,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:33,743 INFO L225 Difference]: With dead ends: 4687 [2023-11-29 01:21:33,743 INFO L226 Difference]: Without dead ends: 4477 [2023-11-29 01:21:33,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:21:33,744 INFO L413 NwaCegarLoop]: 2333 mSDtfsCounter, 8375 mSDsluCounter, 7900 mSDsCounter, 0 mSdLazyCounter, 7664 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8375 SdHoareTripleChecker+Valid, 10233 SdHoareTripleChecker+Invalid, 7667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:33,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8375 Valid, 10233 Invalid, 7667 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7664 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 01:21:33,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4477 states. [2023-11-29 01:21:33,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4477 to 2799. [2023-11-29 01:21:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2762 states have (on average 1.4076755973931934) internal successors, (3888), 2798 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3888 transitions. [2023-11-29 01:21:33,773 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3888 transitions. Word has length 132 [2023-11-29 01:21:33,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:33,774 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3888 transitions. [2023-11-29 01:21:33,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:33,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3888 transitions. [2023-11-29 01:21:33,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:33,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:33,776 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:33,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2023-11-29 01:21:33,776 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:33,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:33,776 INFO L85 PathProgramCache]: Analyzing trace with hash 867335140, now seen corresponding path program 1 times [2023-11-29 01:21:33,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:33,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399752192] [2023-11-29 01:21:33,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:33,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:34,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:34,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399752192] [2023-11-29 01:21:34,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399752192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:34,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:34,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:21:34,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116679971] [2023-11-29 01:21:34,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:34,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:21:34,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:34,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:21:34,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:21:34,048 INFO L87 Difference]: Start difference. First operand 2799 states and 3888 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:36,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:36,826 INFO L93 Difference]: Finished difference Result 4681 states and 6534 transitions. [2023-11-29 01:21:36,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:21:36,826 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:36,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:36,830 INFO L225 Difference]: With dead ends: 4681 [2023-11-29 01:21:36,830 INFO L226 Difference]: Without dead ends: 4477 [2023-11-29 01:21:36,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:21:36,832 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 8171 mSDsluCounter, 6321 mSDsCounter, 0 mSdLazyCounter, 6493 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8171 SdHoareTripleChecker+Valid, 8609 SdHoareTripleChecker+Invalid, 6497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:36,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8171 Valid, 8609 Invalid, 6497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6493 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 01:21:36,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4477 states. [2023-11-29 01:21:36,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4477 to 2799. [2023-11-29 01:21:36,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2762 states have (on average 1.4069514844315714) internal successors, (3886), 2798 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:36,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3886 transitions. [2023-11-29 01:21:36,867 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3886 transitions. Word has length 132 [2023-11-29 01:21:36,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:36,868 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3886 transitions. [2023-11-29 01:21:36,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:36,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3886 transitions. [2023-11-29 01:21:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:36,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:36,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:36,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2023-11-29 01:21:36,870 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:36,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:36,871 INFO L85 PathProgramCache]: Analyzing trace with hash 666451680, now seen corresponding path program 1 times [2023-11-29 01:21:36,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:36,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421491691] [2023-11-29 01:21:36,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:36,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:37,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:37,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:37,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421491691] [2023-11-29 01:21:37,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421491691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:37,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:37,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:21:37,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814348066] [2023-11-29 01:21:37,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:37,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:21:37,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:37,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:21:37,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:21:37,242 INFO L87 Difference]: Start difference. First operand 2799 states and 3886 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:41,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:41,277 INFO L93 Difference]: Finished difference Result 4681 states and 6530 transitions. [2023-11-29 01:21:41,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:21:41,278 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:41,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:41,282 INFO L225 Difference]: With dead ends: 4681 [2023-11-29 01:21:41,282 INFO L226 Difference]: Without dead ends: 4477 [2023-11-29 01:21:41,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:21:41,283 INFO L413 NwaCegarLoop]: 2328 mSDtfsCounter, 8365 mSDsluCounter, 7891 mSDsCounter, 0 mSdLazyCounter, 7652 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8365 SdHoareTripleChecker+Valid, 10219 SdHoareTripleChecker+Invalid, 7655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:41,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8365 Valid, 10219 Invalid, 7655 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7652 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:21:41,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4477 states. [2023-11-29 01:21:41,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4477 to 2799. [2023-11-29 01:21:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2762 states have (on average 1.4062273714699494) internal successors, (3884), 2798 states have internal predecessors, (3884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3884 transitions. [2023-11-29 01:21:41,319 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3884 transitions. Word has length 132 [2023-11-29 01:21:41,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:41,319 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3884 transitions. [2023-11-29 01:21:41,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3884 transitions. [2023-11-29 01:21:41,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:41,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:41,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:41,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2023-11-29 01:21:41,322 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:41,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:41,322 INFO L85 PathProgramCache]: Analyzing trace with hash 30407110, now seen corresponding path program 1 times [2023-11-29 01:21:41,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:41,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159028943] [2023-11-29 01:21:41,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:41,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:41,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:41,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:41,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159028943] [2023-11-29 01:21:41,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159028943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:41,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:41,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:21:41,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344943078] [2023-11-29 01:21:41,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:41,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:21:41,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:41,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:21:41,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:21:41,875 INFO L87 Difference]: Start difference. First operand 2799 states and 3884 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:47,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:47,445 INFO L93 Difference]: Finished difference Result 5789 states and 8124 transitions. [2023-11-29 01:21:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:21:47,445 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:47,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:47,451 INFO L225 Difference]: With dead ends: 5789 [2023-11-29 01:21:47,451 INFO L226 Difference]: Without dead ends: 5579 [2023-11-29 01:21:47,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:21:47,452 INFO L413 NwaCegarLoop]: 2028 mSDtfsCounter, 16027 mSDsluCounter, 7694 mSDsCounter, 0 mSdLazyCounter, 8171 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16027 SdHoareTripleChecker+Valid, 9722 SdHoareTripleChecker+Invalid, 8666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 8171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:47,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16027 Valid, 9722 Invalid, 8666 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [495 Valid, 8171 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-29 01:21:47,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5579 states. [2023-11-29 01:21:47,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5579 to 2807. [2023-11-29 01:21:47,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 2770 states have (on average 1.4050541516245487) internal successors, (3892), 2806 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3892 transitions. [2023-11-29 01:21:47,494 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3892 transitions. Word has length 132 [2023-11-29 01:21:47,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:47,494 INFO L495 AbstractCegarLoop]: Abstraction has 2807 states and 3892 transitions. [2023-11-29 01:21:47,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:47,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3892 transitions. [2023-11-29 01:21:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:47,496 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:47,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:47,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2023-11-29 01:21:47,497 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:47,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:47,497 INFO L85 PathProgramCache]: Analyzing trace with hash 248526430, now seen corresponding path program 1 times [2023-11-29 01:21:47,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:47,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374393456] [2023-11-29 01:21:47,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:47,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:48,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:48,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:48,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374393456] [2023-11-29 01:21:48,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374393456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:48,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:48,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:21:48,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164946536] [2023-11-29 01:21:48,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:48,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:21:48,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:48,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:21:48,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:21:48,046 INFO L87 Difference]: Start difference. First operand 2807 states and 3892 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:53,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:53,707 INFO L93 Difference]: Finished difference Result 6141 states and 8621 transitions. [2023-11-29 01:21:53,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:21:53,708 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:53,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:53,712 INFO L225 Difference]: With dead ends: 6141 [2023-11-29 01:21:53,712 INFO L226 Difference]: Without dead ends: 5909 [2023-11-29 01:21:53,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:21:53,714 INFO L413 NwaCegarLoop]: 2201 mSDtfsCounter, 15752 mSDsluCounter, 8289 mSDsCounter, 0 mSdLazyCounter, 8502 mSolverCounterSat, 465 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15752 SdHoareTripleChecker+Valid, 10490 SdHoareTripleChecker+Invalid, 8967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 8502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:53,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15752 Valid, 10490 Invalid, 8967 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [465 Valid, 8502 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 01:21:53,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5909 states. [2023-11-29 01:21:53,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5909 to 2815. [2023-11-29 01:21:53,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2778 states have (on average 1.4038876889848813) internal successors, (3900), 2814 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3900 transitions. [2023-11-29 01:21:53,774 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3900 transitions. Word has length 132 [2023-11-29 01:21:53,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:53,774 INFO L495 AbstractCegarLoop]: Abstraction has 2815 states and 3900 transitions. [2023-11-29 01:21:53,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:53,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3900 transitions. [2023-11-29 01:21:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:53,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:53,776 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:53,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2023-11-29 01:21:53,776 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:53,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:53,776 INFO L85 PathProgramCache]: Analyzing trace with hash -160318798, now seen corresponding path program 1 times [2023-11-29 01:21:53,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:53,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51418206] [2023-11-29 01:21:53,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:53,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:54,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51418206] [2023-11-29 01:21:54,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51418206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:54,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:54,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:21:54,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381253254] [2023-11-29 01:21:54,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:54,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:21:54,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:54,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:21:54,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:21:54,091 INFO L87 Difference]: Start difference. First operand 2815 states and 3900 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:58,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:58,191 INFO L93 Difference]: Finished difference Result 4691 states and 6535 transitions. [2023-11-29 01:21:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:21:58,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:21:58,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:58,195 INFO L225 Difference]: With dead ends: 4691 [2023-11-29 01:21:58,195 INFO L226 Difference]: Without dead ends: 4485 [2023-11-29 01:21:58,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:21:58,196 INFO L413 NwaCegarLoop]: 2203 mSDtfsCounter, 8366 mSDsluCounter, 7688 mSDsCounter, 0 mSdLazyCounter, 7464 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8366 SdHoareTripleChecker+Valid, 9891 SdHoareTripleChecker+Invalid, 7468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:58,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8366 Valid, 9891 Invalid, 7468 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7464 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:21:58,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-29 01:21:58,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 2815. [2023-11-29 01:21:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2778 states have (on average 1.4031677465802737) internal successors, (3898), 2814 states have internal predecessors, (3898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3898 transitions. [2023-11-29 01:21:58,223 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3898 transitions. Word has length 132 [2023-11-29 01:21:58,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:58,223 INFO L495 AbstractCegarLoop]: Abstraction has 2815 states and 3898 transitions. [2023-11-29 01:21:58,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:21:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3898 transitions. [2023-11-29 01:21:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:21:58,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:58,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:21:58,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2023-11-29 01:21:58,225 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:21:58,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:58,225 INFO L85 PathProgramCache]: Analyzing trace with hash 207783377, now seen corresponding path program 1 times [2023-11-29 01:21:58,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:21:58,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376091650] [2023-11-29 01:21:58,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:58,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:21:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:21:58,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:21:58,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376091650] [2023-11-29 01:21:58,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376091650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:21:58,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:21:58,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:21:58,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261496313] [2023-11-29 01:21:58,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:21:58,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:21:58,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:21:58,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:21:58,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:21:58,676 INFO L87 Difference]: Start difference. First operand 2815 states and 3898 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:04,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:04,277 INFO L93 Difference]: Finished difference Result 5789 states and 8116 transitions. [2023-11-29 01:22:04,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:22:04,277 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:04,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:04,282 INFO L225 Difference]: With dead ends: 5789 [2023-11-29 01:22:04,282 INFO L226 Difference]: Without dead ends: 5583 [2023-11-29 01:22:04,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:22:04,284 INFO L413 NwaCegarLoop]: 2018 mSDtfsCounter, 16003 mSDsluCounter, 8917 mSDsCounter, 0 mSdLazyCounter, 9061 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16003 SdHoareTripleChecker+Valid, 10935 SdHoareTripleChecker+Invalid, 9559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 9061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:04,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16003 Valid, 10935 Invalid, 9559 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [498 Valid, 9061 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 01:22:04,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5583 states. [2023-11-29 01:22:04,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5583 to 2823. [2023-11-29 01:22:04,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2786 states have (on average 1.4020100502512562) internal successors, (3906), 2822 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3906 transitions. [2023-11-29 01:22:04,327 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3906 transitions. Word has length 132 [2023-11-29 01:22:04,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:04,328 INFO L495 AbstractCegarLoop]: Abstraction has 2823 states and 3906 transitions. [2023-11-29 01:22:04,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3906 transitions. [2023-11-29 01:22:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:04,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:04,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:04,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2023-11-29 01:22:04,331 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:04,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:04,331 INFO L85 PathProgramCache]: Analyzing trace with hash 843153700, now seen corresponding path program 1 times [2023-11-29 01:22:04,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:04,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242735728] [2023-11-29 01:22:04,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:04,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:04,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:04,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:04,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242735728] [2023-11-29 01:22:04,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242735728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:04,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:04,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:22:04,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543785456] [2023-11-29 01:22:04,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:04,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:22:04,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:04,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:22:04,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:22:04,722 INFO L87 Difference]: Start difference. First operand 2823 states and 3906 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:08,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:08,898 INFO L93 Difference]: Finished difference Result 4689 states and 6530 transitions. [2023-11-29 01:22:08,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:22:08,898 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:08,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:08,902 INFO L225 Difference]: With dead ends: 4689 [2023-11-29 01:22:08,902 INFO L226 Difference]: Without dead ends: 4485 [2023-11-29 01:22:08,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:22:08,904 INFO L413 NwaCegarLoop]: 2188 mSDtfsCounter, 8360 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 7438 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8360 SdHoareTripleChecker+Valid, 9854 SdHoareTripleChecker+Invalid, 7442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:08,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8360 Valid, 9854 Invalid, 7442 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7438 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 01:22:08,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-29 01:22:08,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 2823. [2023-11-29 01:22:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2786 states have (on average 1.401292175161522) internal successors, (3904), 2822 states have internal predecessors, (3904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:08,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3904 transitions. [2023-11-29 01:22:08,939 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3904 transitions. Word has length 132 [2023-11-29 01:22:08,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:08,939 INFO L495 AbstractCegarLoop]: Abstraction has 2823 states and 3904 transitions. [2023-11-29 01:22:08,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:08,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3904 transitions. [2023-11-29 01:22:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:08,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:08,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:08,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2023-11-29 01:22:08,941 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:08,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:08,941 INFO L85 PathProgramCache]: Analyzing trace with hash -616944645, now seen corresponding path program 1 times [2023-11-29 01:22:08,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:08,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137117738] [2023-11-29 01:22:08,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:08,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:09,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:09,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137117738] [2023-11-29 01:22:09,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137117738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:09,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:09,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:22:09,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704963639] [2023-11-29 01:22:09,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:09,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:22:09,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:09,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:22:09,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:22:09,283 INFO L87 Difference]: Start difference. First operand 2823 states and 3904 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:12,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:12,972 INFO L93 Difference]: Finished difference Result 4689 states and 6528 transitions. [2023-11-29 01:22:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:22:12,972 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:12,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:12,975 INFO L225 Difference]: With dead ends: 4689 [2023-11-29 01:22:12,975 INFO L226 Difference]: Without dead ends: 4485 [2023-11-29 01:22:12,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:22:12,976 INFO L413 NwaCegarLoop]: 2301 mSDtfsCounter, 8356 mSDsluCounter, 7853 mSDsCounter, 0 mSdLazyCounter, 7591 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8356 SdHoareTripleChecker+Valid, 10154 SdHoareTripleChecker+Invalid, 7594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:12,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8356 Valid, 10154 Invalid, 7594 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7591 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:22:12,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-29 01:22:13,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 2823. [2023-11-29 01:22:13,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2786 states have (on average 1.4005743000717874) internal successors, (3902), 2822 states have internal predecessors, (3902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3902 transitions. [2023-11-29 01:22:13,009 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3902 transitions. Word has length 132 [2023-11-29 01:22:13,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:13,009 INFO L495 AbstractCegarLoop]: Abstraction has 2823 states and 3902 transitions. [2023-11-29 01:22:13,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3902 transitions. [2023-11-29 01:22:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:13,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:13,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:13,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2023-11-29 01:22:13,011 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:13,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:13,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1252097501, now seen corresponding path program 1 times [2023-11-29 01:22:13,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:13,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577625405] [2023-11-29 01:22:13,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:13,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:13,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:13,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577625405] [2023-11-29 01:22:13,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577625405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:13,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:13,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:22:13,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051900864] [2023-11-29 01:22:13,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:13,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:22:13,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:13,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:22:13,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:22:13,426 INFO L87 Difference]: Start difference. First operand 2823 states and 3902 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:17,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:17,077 INFO L93 Difference]: Finished difference Result 4691 states and 6527 transitions. [2023-11-29 01:22:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:22:17,078 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:17,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:17,082 INFO L225 Difference]: With dead ends: 4691 [2023-11-29 01:22:17,082 INFO L226 Difference]: Without dead ends: 4485 [2023-11-29 01:22:17,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:22:17,083 INFO L413 NwaCegarLoop]: 2366 mSDtfsCounter, 5716 mSDsluCounter, 7218 mSDsCounter, 0 mSdLazyCounter, 7175 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5716 SdHoareTripleChecker+Valid, 9584 SdHoareTripleChecker+Invalid, 7178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:17,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5716 Valid, 9584 Invalid, 7178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7175 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:22:17,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-29 01:22:17,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 2823. [2023-11-29 01:22:17,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2786 states have (on average 1.399856424982053) internal successors, (3900), 2822 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:17,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3900 transitions. [2023-11-29 01:22:17,120 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3900 transitions. Word has length 132 [2023-11-29 01:22:17,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:17,120 INFO L495 AbstractCegarLoop]: Abstraction has 2823 states and 3900 transitions. [2023-11-29 01:22:17,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:17,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3900 transitions. [2023-11-29 01:22:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:17,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:17,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:17,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2023-11-29 01:22:17,123 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:17,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:17,123 INFO L85 PathProgramCache]: Analyzing trace with hash -416061185, now seen corresponding path program 1 times [2023-11-29 01:22:17,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:17,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065944931] [2023-11-29 01:22:17,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:17,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:17,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:17,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:17,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065944931] [2023-11-29 01:22:17,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065944931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:17,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:17,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:22:17,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455963393] [2023-11-29 01:22:17,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:17,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:22:17,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:17,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:22:17,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:22:17,615 INFO L87 Difference]: Start difference. First operand 2823 states and 3900 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:22,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:22,623 INFO L93 Difference]: Finished difference Result 5785 states and 8104 transitions. [2023-11-29 01:22:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:22:22,623 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:22,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:22,628 INFO L225 Difference]: With dead ends: 5785 [2023-11-29 01:22:22,628 INFO L226 Difference]: Without dead ends: 5581 [2023-11-29 01:22:22,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:22:22,630 INFO L413 NwaCegarLoop]: 2007 mSDtfsCounter, 16017 mSDsluCounter, 8884 mSDsCounter, 0 mSdLazyCounter, 9008 mSolverCounterSat, 502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16017 SdHoareTripleChecker+Valid, 10891 SdHoareTripleChecker+Invalid, 9510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 9008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:22,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16017 Valid, 10891 Invalid, 9510 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [502 Valid, 9008 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 01:22:22,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5581 states. [2023-11-29 01:22:22,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5581 to 2831. [2023-11-29 01:22:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2794 states have (on average 1.3987115246957766) internal successors, (3908), 2830 states have internal predecessors, (3908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:22,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3908 transitions. [2023-11-29 01:22:22,670 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3908 transitions. Word has length 132 [2023-11-29 01:22:22,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:22,670 INFO L495 AbstractCegarLoop]: Abstraction has 2831 states and 3908 transitions. [2023-11-29 01:22:22,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:22,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3908 transitions. [2023-11-29 01:22:22,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:22,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:22,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:22,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2023-11-29 01:22:22,673 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:22,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:22,673 INFO L85 PathProgramCache]: Analyzing trace with hash -966035511, now seen corresponding path program 1 times [2023-11-29 01:22:22,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:22,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448956614] [2023-11-29 01:22:22,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:22,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:23,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:23,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448956614] [2023-11-29 01:22:23,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448956614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:23,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:23,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:22:23,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367033023] [2023-11-29 01:22:23,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:23,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:22:23,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:23,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:22:23,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:22:23,064 INFO L87 Difference]: Start difference. First operand 2831 states and 3908 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:27,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:27,304 INFO L93 Difference]: Finished difference Result 4687 states and 6518 transitions. [2023-11-29 01:22:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:22:27,305 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:27,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:27,309 INFO L225 Difference]: With dead ends: 4687 [2023-11-29 01:22:27,309 INFO L226 Difference]: Without dead ends: 4485 [2023-11-29 01:22:27,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:22:27,311 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 8349 mSDsluCounter, 7838 mSDsCounter, 0 mSdLazyCounter, 7555 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8349 SdHoareTripleChecker+Valid, 10126 SdHoareTripleChecker+Invalid, 7558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:27,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8349 Valid, 10126 Invalid, 7558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7555 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-29 01:22:27,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-29 01:22:27,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 2831. [2023-11-29 01:22:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2794 states have (on average 1.3979957050823193) internal successors, (3906), 2830 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3906 transitions. [2023-11-29 01:22:27,348 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3906 transitions. Word has length 132 [2023-11-29 01:22:27,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:27,348 INFO L495 AbstractCegarLoop]: Abstraction has 2831 states and 3906 transitions. [2023-11-29 01:22:27,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3906 transitions. [2023-11-29 01:22:27,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:27,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:27,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:27,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2023-11-29 01:22:27,351 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:27,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:27,351 INFO L85 PathProgramCache]: Analyzing trace with hash 27649487, now seen corresponding path program 1 times [2023-11-29 01:22:27,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:27,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281919329] [2023-11-29 01:22:27,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:27,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:27,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:27,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281919329] [2023-11-29 01:22:27,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281919329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:27,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:27,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:22:27,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973225488] [2023-11-29 01:22:27,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:27,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:22:27,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:27,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:22:27,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:22:27,924 INFO L87 Difference]: Start difference. First operand 2831 states and 3906 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:33,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:33,016 INFO L93 Difference]: Finished difference Result 5785 states and 8100 transitions. [2023-11-29 01:22:33,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:22:33,017 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:33,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:33,022 INFO L225 Difference]: With dead ends: 5785 [2023-11-29 01:22:33,022 INFO L226 Difference]: Without dead ends: 5581 [2023-11-29 01:22:33,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:22:33,024 INFO L413 NwaCegarLoop]: 2002 mSDtfsCounter, 16106 mSDsluCounter, 7624 mSDsCounter, 0 mSdLazyCounter, 8057 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16106 SdHoareTripleChecker+Valid, 9626 SdHoareTripleChecker+Invalid, 8564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 8057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:33,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16106 Valid, 9626 Invalid, 8564 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [507 Valid, 8057 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 01:22:33,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5581 states. [2023-11-29 01:22:33,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5581 to 2839. [2023-11-29 01:22:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2802 states have (on average 1.396859386152748) internal successors, (3914), 2838 states have internal predecessors, (3914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3914 transitions. [2023-11-29 01:22:33,066 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3914 transitions. Word has length 132 [2023-11-29 01:22:33,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:33,066 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 3914 transitions. [2023-11-29 01:22:33,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3914 transitions. [2023-11-29 01:22:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:33,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:33,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:33,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2023-11-29 01:22:33,070 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:33,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:33,070 INFO L85 PathProgramCache]: Analyzing trace with hash 115437367, now seen corresponding path program 1 times [2023-11-29 01:22:33,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:33,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595110997] [2023-11-29 01:22:33,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:33,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:33,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:33,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595110997] [2023-11-29 01:22:33,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595110997] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:33,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:33,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:22:33,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198763996] [2023-11-29 01:22:33,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:33,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:22:33,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:33,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:22:33,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:22:33,446 INFO L87 Difference]: Start difference. First operand 2839 states and 3914 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:37,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:37,482 INFO L93 Difference]: Finished difference Result 4687 states and 6514 transitions. [2023-11-29 01:22:37,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:22:37,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:37,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:37,487 INFO L225 Difference]: With dead ends: 4687 [2023-11-29 01:22:37,487 INFO L226 Difference]: Without dead ends: 4485 [2023-11-29 01:22:37,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:22:37,488 INFO L413 NwaCegarLoop]: 2163 mSDtfsCounter, 8347 mSDsluCounter, 7636 mSDsCounter, 0 mSdLazyCounter, 7370 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8347 SdHoareTripleChecker+Valid, 9799 SdHoareTripleChecker+Invalid, 7374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:37,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8347 Valid, 9799 Invalid, 7374 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7370 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:22:37,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-29 01:22:37,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 2839. [2023-11-29 01:22:37,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2802 states have (on average 1.3961456102783727) internal successors, (3912), 2838 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:37,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3912 transitions. [2023-11-29 01:22:37,527 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3912 transitions. Word has length 132 [2023-11-29 01:22:37,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:37,527 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 3912 transitions. [2023-11-29 01:22:37,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:37,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3912 transitions. [2023-11-29 01:22:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:37,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:37,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:37,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2023-11-29 01:22:37,530 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:37,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:37,530 INFO L85 PathProgramCache]: Analyzing trace with hash -173233973, now seen corresponding path program 1 times [2023-11-29 01:22:37,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:37,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163870378] [2023-11-29 01:22:37,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:37,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:37,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:37,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163870378] [2023-11-29 01:22:37,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163870378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:37,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:37,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:22:37,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738123933] [2023-11-29 01:22:37,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:37,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:22:37,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:37,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:22:37,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:22:37,915 INFO L87 Difference]: Start difference. First operand 2839 states and 3912 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:41,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:41,710 INFO L93 Difference]: Finished difference Result 4689 states and 6514 transitions. [2023-11-29 01:22:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:22:41,711 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:41,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:41,714 INFO L225 Difference]: With dead ends: 4689 [2023-11-29 01:22:41,714 INFO L226 Difference]: Without dead ends: 4485 [2023-11-29 01:22:41,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:22:41,715 INFO L413 NwaCegarLoop]: 2276 mSDtfsCounter, 8344 mSDsluCounter, 7823 mSDsCounter, 0 mSdLazyCounter, 7521 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8344 SdHoareTripleChecker+Valid, 10099 SdHoareTripleChecker+Invalid, 7524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:41,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8344 Valid, 10099 Invalid, 7524 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7521 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:22:41,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-29 01:22:41,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 2839. [2023-11-29 01:22:41,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2802 states have (on average 1.395431834403997) internal successors, (3910), 2838 states have internal predecessors, (3910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3910 transitions. [2023-11-29 01:22:41,751 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3910 transitions. Word has length 132 [2023-11-29 01:22:41,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:41,751 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 3910 transitions. [2023-11-29 01:22:41,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3910 transitions. [2023-11-29 01:22:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:41,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:41,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:41,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2023-11-29 01:22:41,754 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:41,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:41,754 INFO L85 PathProgramCache]: Analyzing trace with hash -807975727, now seen corresponding path program 1 times [2023-11-29 01:22:41,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:41,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290556762] [2023-11-29 01:22:41,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:41,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:42,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:42,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290556762] [2023-11-29 01:22:42,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290556762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:42,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:42,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:22:42,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839757287] [2023-11-29 01:22:42,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:42,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:22:42,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:42,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:22:42,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:22:42,096 INFO L87 Difference]: Start difference. First operand 2839 states and 3910 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:45,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:45,794 INFO L93 Difference]: Finished difference Result 4691 states and 6513 transitions. [2023-11-29 01:22:45,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:22:45,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:45,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:45,798 INFO L225 Difference]: With dead ends: 4691 [2023-11-29 01:22:45,798 INFO L226 Difference]: Without dead ends: 4485 [2023-11-29 01:22:45,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:22:45,800 INFO L413 NwaCegarLoop]: 2027 mSDtfsCounter, 8837 mSDsluCounter, 6397 mSDsCounter, 0 mSdLazyCounter, 6855 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8837 SdHoareTripleChecker+Valid, 8424 SdHoareTripleChecker+Invalid, 6858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:45,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8837 Valid, 8424 Invalid, 6858 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 6855 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:22:45,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-29 01:22:45,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 2839. [2023-11-29 01:22:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2802 states have (on average 1.3947180585296217) internal successors, (3908), 2838 states have internal predecessors, (3908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3908 transitions. [2023-11-29 01:22:45,836 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3908 transitions. Word has length 132 [2023-11-29 01:22:45,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:45,837 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 3908 transitions. [2023-11-29 01:22:45,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:45,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3908 transitions. [2023-11-29 01:22:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:45,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:45,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:45,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2023-11-29 01:22:45,839 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:45,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:45,839 INFO L85 PathProgramCache]: Analyzing trace with hash -413187549, now seen corresponding path program 1 times [2023-11-29 01:22:45,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:45,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037306847] [2023-11-29 01:22:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:45,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:46,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:46,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:46,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037306847] [2023-11-29 01:22:46,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037306847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:46,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:46,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:22:46,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296789414] [2023-11-29 01:22:46,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:46,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:22:46,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:46,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:22:46,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:22:46,392 INFO L87 Difference]: Start difference. First operand 2839 states and 3908 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:51,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:51,336 INFO L93 Difference]: Finished difference Result 5785 states and 8090 transitions. [2023-11-29 01:22:51,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:22:51,336 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:51,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:51,342 INFO L225 Difference]: With dead ends: 5785 [2023-11-29 01:22:51,342 INFO L226 Difference]: Without dead ends: 5581 [2023-11-29 01:22:51,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:22:51,343 INFO L413 NwaCegarLoop]: 1997 mSDtfsCounter, 16185 mSDsluCounter, 6903 mSDsCounter, 0 mSdLazyCounter, 7247 mSolverCounterSat, 512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16185 SdHoareTripleChecker+Valid, 8900 SdHoareTripleChecker+Invalid, 7759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 7247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:51,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16185 Valid, 8900 Invalid, 7759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [512 Valid, 7247 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 01:22:51,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5581 states. [2023-11-29 01:22:51,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5581 to 2847. [2023-11-29 01:22:51,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 2810 states have (on average 1.3935943060498222) internal successors, (3916), 2846 states have internal predecessors, (3916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 3916 transitions. [2023-11-29 01:22:51,385 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 3916 transitions. Word has length 132 [2023-11-29 01:22:51,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:51,385 INFO L495 AbstractCegarLoop]: Abstraction has 2847 states and 3916 transitions. [2023-11-29 01:22:51,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 3916 transitions. [2023-11-29 01:22:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:51,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:51,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:51,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2023-11-29 01:22:51,388 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:51,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:51,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1799012658, now seen corresponding path program 1 times [2023-11-29 01:22:51,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:51,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280053520] [2023-11-29 01:22:51,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:51,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:51,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:51,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:51,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280053520] [2023-11-29 01:22:51,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280053520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:51,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:51,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:22:51,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451600431] [2023-11-29 01:22:51,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:51,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:22:51,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:51,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:22:51,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:22:51,788 INFO L87 Difference]: Start difference. First operand 2847 states and 3916 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:55,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:22:55,876 INFO L93 Difference]: Finished difference Result 4687 states and 6504 transitions. [2023-11-29 01:22:55,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:22:55,876 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:22:55,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:22:55,881 INFO L225 Difference]: With dead ends: 4687 [2023-11-29 01:22:55,881 INFO L226 Difference]: Without dead ends: 4485 [2023-11-29 01:22:55,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:22:55,882 INFO L413 NwaCegarLoop]: 2272 mSDtfsCounter, 8337 mSDsluCounter, 7835 mSDsCounter, 0 mSdLazyCounter, 7485 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8337 SdHoareTripleChecker+Valid, 10107 SdHoareTripleChecker+Invalid, 7488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:22:55,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8337 Valid, 10107 Invalid, 7488 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7485 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:22:55,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-29 01:22:55,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 2847. [2023-11-29 01:22:55,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 2810 states have (on average 1.39288256227758) internal successors, (3914), 2846 states have internal predecessors, (3914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 3914 transitions. [2023-11-29 01:22:55,920 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 3914 transitions. Word has length 132 [2023-11-29 01:22:55,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:22:55,920 INFO L495 AbstractCegarLoop]: Abstraction has 2847 states and 3914 transitions. [2023-11-29 01:22:55,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:22:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 3914 transitions. [2023-11-29 01:22:55,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:22:55,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:22:55,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:22:55,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2023-11-29 01:22:55,923 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:22:55,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:22:55,923 INFO L85 PathProgramCache]: Analyzing trace with hash -966743909, now seen corresponding path program 1 times [2023-11-29 01:22:55,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:22:55,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379869525] [2023-11-29 01:22:55,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:55,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:22:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:22:56,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:22:56,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379869525] [2023-11-29 01:22:56,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379869525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:22:56,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:22:56,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:22:56,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065725873] [2023-11-29 01:22:56,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:22:56,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:22:56,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:22:56,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:22:56,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:22:56,442 INFO L87 Difference]: Start difference. First operand 2847 states and 3914 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:01,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:01,387 INFO L93 Difference]: Finished difference Result 5781 states and 8082 transitions. [2023-11-29 01:23:01,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:23:01,388 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2023-11-29 01:23:01,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:01,393 INFO L225 Difference]: With dead ends: 5781 [2023-11-29 01:23:01,393 INFO L226 Difference]: Without dead ends: 5579 [2023-11-29 01:23:01,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:23:01,394 INFO L413 NwaCegarLoop]: 1993 mSDtfsCounter, 16146 mSDsluCounter, 6893 mSDsCounter, 0 mSdLazyCounter, 7212 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16146 SdHoareTripleChecker+Valid, 8886 SdHoareTripleChecker+Invalid, 7725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 7212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:01,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16146 Valid, 8886 Invalid, 7725 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [513 Valid, 7212 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 01:23:01,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5579 states. [2023-11-29 01:23:01,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5579 to 2855. [2023-11-29 01:23:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2855 states, 2818 states have (on average 1.3917672107877928) internal successors, (3922), 2854 states have internal predecessors, (3922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2855 states and 3922 transitions. [2023-11-29 01:23:01,436 INFO L78 Accepts]: Start accepts. Automaton has 2855 states and 3922 transitions. Word has length 132 [2023-11-29 01:23:01,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:01,436 INFO L495 AbstractCegarLoop]: Abstraction has 2855 states and 3922 transitions. [2023-11-29 01:23:01,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 3922 transitions. [2023-11-29 01:23:01,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:01,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:01,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:01,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2023-11-29 01:23:01,438 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:01,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:01,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1391850187, now seen corresponding path program 1 times [2023-11-29 01:23:01,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:01,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557795143] [2023-11-29 01:23:01,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:01,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:01,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:01,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557795143] [2023-11-29 01:23:01,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557795143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:01,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:01,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:01,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794972762] [2023-11-29 01:23:01,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:01,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:01,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:01,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:01,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:01,783 INFO L87 Difference]: Start difference. First operand 2855 states and 3922 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:05,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:05,730 INFO L93 Difference]: Finished difference Result 4685 states and 6495 transitions. [2023-11-29 01:23:05,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:23:05,731 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:05,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:05,734 INFO L225 Difference]: With dead ends: 4685 [2023-11-29 01:23:05,735 INFO L226 Difference]: Without dead ends: 4485 [2023-11-29 01:23:05,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:23:05,736 INFO L413 NwaCegarLoop]: 2221 mSDtfsCounter, 5705 mSDsluCounter, 7760 mSDsCounter, 0 mSdLazyCounter, 7509 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5705 SdHoareTripleChecker+Valid, 9981 SdHoareTripleChecker+Invalid, 7513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:05,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5705 Valid, 9981 Invalid, 7513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7509 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 01:23:05,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-29 01:23:05,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 2851. [2023-11-29 01:23:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2851 states, 2814 states have (on average 1.3919687277896233) internal successors, (3917), 2850 states have internal predecessors, (3917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:05,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 2851 states and 3917 transitions. [2023-11-29 01:23:05,771 INFO L78 Accepts]: Start accepts. Automaton has 2851 states and 3917 transitions. Word has length 133 [2023-11-29 01:23:05,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:05,771 INFO L495 AbstractCegarLoop]: Abstraction has 2851 states and 3917 transitions. [2023-11-29 01:23:05,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:05,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 3917 transitions. [2023-11-29 01:23:05,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:05,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:05,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:05,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2023-11-29 01:23:05,774 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:05,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:05,774 INFO L85 PathProgramCache]: Analyzing trace with hash -567576839, now seen corresponding path program 1 times [2023-11-29 01:23:05,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:05,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67334138] [2023-11-29 01:23:05,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:05,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:06,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:06,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67334138] [2023-11-29 01:23:06,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67334138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:06,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:06,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:06,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100573574] [2023-11-29 01:23:06,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:06,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:06,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:06,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:06,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:06,090 INFO L87 Difference]: Start difference. First operand 2851 states and 3917 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:09,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:09,453 INFO L93 Difference]: Finished difference Result 4891 states and 6762 transitions. [2023-11-29 01:23:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:23:09,453 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:09,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:09,458 INFO L225 Difference]: With dead ends: 4891 [2023-11-29 01:23:09,458 INFO L226 Difference]: Without dead ends: 4669 [2023-11-29 01:23:09,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:23:09,459 INFO L413 NwaCegarLoop]: 2131 mSDtfsCounter, 5827 mSDsluCounter, 6782 mSDsCounter, 0 mSdLazyCounter, 7045 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5827 SdHoareTripleChecker+Valid, 8913 SdHoareTripleChecker+Invalid, 7049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:09,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5827 Valid, 8913 Invalid, 7049 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7045 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:23:09,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4669 states. [2023-11-29 01:23:09,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4669 to 2847. [2023-11-29 01:23:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 2810 states have (on average 1.392170818505338) internal successors, (3912), 2846 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:09,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 3912 transitions. [2023-11-29 01:23:09,496 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 3912 transitions. Word has length 133 [2023-11-29 01:23:09,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:09,496 INFO L495 AbstractCegarLoop]: Abstraction has 2847 states and 3912 transitions. [2023-11-29 01:23:09,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:09,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 3912 transitions. [2023-11-29 01:23:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:09,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:09,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:09,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2023-11-29 01:23:09,500 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:09,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:09,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2067886150, now seen corresponding path program 1 times [2023-11-29 01:23:09,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:09,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597052004] [2023-11-29 01:23:09,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:09,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:09,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:09,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597052004] [2023-11-29 01:23:09,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597052004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:09,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:09,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:09,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407468198] [2023-11-29 01:23:09,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:09,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:09,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:09,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:09,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:09,853 INFO L87 Difference]: Start difference. First operand 2847 states and 3912 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:13,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:13,439 INFO L93 Difference]: Finished difference Result 4677 states and 6485 transitions. [2023-11-29 01:23:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:23:13,440 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:13,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:13,444 INFO L225 Difference]: With dead ends: 4677 [2023-11-29 01:23:13,444 INFO L226 Difference]: Without dead ends: 4481 [2023-11-29 01:23:13,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:23:13,445 INFO L413 NwaCegarLoop]: 2274 mSDtfsCounter, 5695 mSDsluCounter, 7099 mSDsCounter, 0 mSdLazyCounter, 6976 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5695 SdHoareTripleChecker+Valid, 9373 SdHoareTripleChecker+Invalid, 6980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:13,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5695 Valid, 9373 Invalid, 6980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6976 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:23:13,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2023-11-29 01:23:13,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2843. [2023-11-29 01:23:13,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2843 states, 2806 states have (on average 1.3923734853884533) internal successors, (3907), 2842 states have internal predecessors, (3907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3907 transitions. [2023-11-29 01:23:13,481 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3907 transitions. Word has length 133 [2023-11-29 01:23:13,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:13,481 INFO L495 AbstractCegarLoop]: Abstraction has 2843 states and 3907 transitions. [2023-11-29 01:23:13,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3907 transitions. [2023-11-29 01:23:13,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:13,483 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:13,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:13,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2023-11-29 01:23:13,484 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:13,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:13,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1960660715, now seen corresponding path program 1 times [2023-11-29 01:23:13,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:13,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227908908] [2023-11-29 01:23:13,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:13,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:13,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:13,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227908908] [2023-11-29 01:23:13,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227908908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:13,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:13,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:13,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216255237] [2023-11-29 01:23:13,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:13,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:13,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:13,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:13,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:13,824 INFO L87 Difference]: Start difference. First operand 2843 states and 3907 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:17,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:17,203 INFO L93 Difference]: Finished difference Result 4677 states and 6484 transitions. [2023-11-29 01:23:17,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:23:17,203 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:17,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:17,206 INFO L225 Difference]: With dead ends: 4677 [2023-11-29 01:23:17,206 INFO L226 Difference]: Without dead ends: 4481 [2023-11-29 01:23:17,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:23:17,207 INFO L413 NwaCegarLoop]: 2004 mSDtfsCounter, 8927 mSDsluCounter, 6332 mSDsCounter, 0 mSdLazyCounter, 6698 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8927 SdHoareTripleChecker+Valid, 8336 SdHoareTripleChecker+Invalid, 6702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:17,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8927 Valid, 8336 Invalid, 6702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6698 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:23:17,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2023-11-29 01:23:17,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2839. [2023-11-29 01:23:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2802 states have (on average 1.3925767309064954) internal successors, (3902), 2838 states have internal predecessors, (3902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:17,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3902 transitions. [2023-11-29 01:23:17,239 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3902 transitions. Word has length 133 [2023-11-29 01:23:17,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:17,239 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 3902 transitions. [2023-11-29 01:23:17,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:17,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3902 transitions. [2023-11-29 01:23:17,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:17,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:17,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:17,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2023-11-29 01:23:17,241 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:17,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:17,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1099596099, now seen corresponding path program 1 times [2023-11-29 01:23:17,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:17,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913556811] [2023-11-29 01:23:17,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:17,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:17,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:17,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:17,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913556811] [2023-11-29 01:23:17,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913556811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:17,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:17,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:17,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511095541] [2023-11-29 01:23:17,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:17,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:17,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:17,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:17,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:17,542 INFO L87 Difference]: Start difference. First operand 2839 states and 3902 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:20,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:20,310 INFO L93 Difference]: Finished difference Result 4675 states and 6481 transitions. [2023-11-29 01:23:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:23:20,311 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:20,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:20,314 INFO L225 Difference]: With dead ends: 4675 [2023-11-29 01:23:20,314 INFO L226 Difference]: Without dead ends: 4481 [2023-11-29 01:23:20,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:23:20,315 INFO L413 NwaCegarLoop]: 2216 mSDtfsCounter, 8254 mSDsluCounter, 6217 mSDsCounter, 0 mSdLazyCounter, 6216 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8254 SdHoareTripleChecker+Valid, 8433 SdHoareTripleChecker+Invalid, 6220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:20,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8254 Valid, 8433 Invalid, 6220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6216 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 01:23:20,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2023-11-29 01:23:20,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2839. [2023-11-29 01:23:20,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2802 states have (on average 1.3922198429693076) internal successors, (3901), 2838 states have internal predecessors, (3901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3901 transitions. [2023-11-29 01:23:20,340 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3901 transitions. Word has length 133 [2023-11-29 01:23:20,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:20,340 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 3901 transitions. [2023-11-29 01:23:20,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3901 transitions. [2023-11-29 01:23:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:20,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:20,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:20,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2023-11-29 01:23:20,342 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:20,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:20,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1034449070, now seen corresponding path program 1 times [2023-11-29 01:23:20,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:20,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033474650] [2023-11-29 01:23:20,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:20,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:20,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:20,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:20,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033474650] [2023-11-29 01:23:20,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033474650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:20,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:20,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:20,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215435806] [2023-11-29 01:23:20,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:20,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:20,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:20,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:20,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:20,619 INFO L87 Difference]: Start difference. First operand 2839 states and 3901 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:23,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:23,457 INFO L93 Difference]: Finished difference Result 4675 states and 6480 transitions. [2023-11-29 01:23:23,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:23:23,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:23,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:23,461 INFO L225 Difference]: With dead ends: 4675 [2023-11-29 01:23:23,461 INFO L226 Difference]: Without dead ends: 4481 [2023-11-29 01:23:23,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:23:23,462 INFO L413 NwaCegarLoop]: 2216 mSDtfsCounter, 8251 mSDsluCounter, 6217 mSDsCounter, 0 mSdLazyCounter, 6212 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8251 SdHoareTripleChecker+Valid, 8433 SdHoareTripleChecker+Invalid, 6216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:23,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8251 Valid, 8433 Invalid, 6216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6212 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 01:23:23,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2023-11-29 01:23:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2839. [2023-11-29 01:23:23,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2802 states have (on average 1.39186295503212) internal successors, (3900), 2838 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3900 transitions. [2023-11-29 01:23:23,497 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3900 transitions. Word has length 133 [2023-11-29 01:23:23,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:23,497 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 3900 transitions. [2023-11-29 01:23:23,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:23,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3900 transitions. [2023-11-29 01:23:23,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:23,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:23,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:23,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2023-11-29 01:23:23,499 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:23,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:23,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1948114438, now seen corresponding path program 1 times [2023-11-29 01:23:23,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:23,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017792702] [2023-11-29 01:23:23,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:23,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:23,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:23,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:23,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017792702] [2023-11-29 01:23:23,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017792702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:23,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:23,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:23,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666367001] [2023-11-29 01:23:23,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:23,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:23,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:23,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:23,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:23,831 INFO L87 Difference]: Start difference. First operand 2839 states and 3900 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:27,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:27,148 INFO L93 Difference]: Finished difference Result 4676 states and 6480 transitions. [2023-11-29 01:23:27,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:23:27,148 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:27,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:27,151 INFO L225 Difference]: With dead ends: 4676 [2023-11-29 01:23:27,151 INFO L226 Difference]: Without dead ends: 4481 [2023-11-29 01:23:27,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:23:27,152 INFO L413 NwaCegarLoop]: 2295 mSDtfsCounter, 8175 mSDsluCounter, 7892 mSDsCounter, 0 mSdLazyCounter, 7589 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8175 SdHoareTripleChecker+Valid, 10187 SdHoareTripleChecker+Invalid, 7593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:27,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8175 Valid, 10187 Invalid, 7593 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7589 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:23:27,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2023-11-29 01:23:27,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2835. [2023-11-29 01:23:27,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 2798 states have (on average 1.3920657612580414) internal successors, (3895), 2834 states have internal predecessors, (3895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 3895 transitions. [2023-11-29 01:23:27,189 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 3895 transitions. Word has length 133 [2023-11-29 01:23:27,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:27,189 INFO L495 AbstractCegarLoop]: Abstraction has 2835 states and 3895 transitions. [2023-11-29 01:23:27,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:27,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3895 transitions. [2023-11-29 01:23:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:27,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:27,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:27,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2023-11-29 01:23:27,192 INFO L420 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:27,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:27,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1061791469, now seen corresponding path program 1 times [2023-11-29 01:23:27,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:27,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656687606] [2023-11-29 01:23:27,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:27,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:27,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:27,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:27,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656687606] [2023-11-29 01:23:27,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656687606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:27,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:27,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:27,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124645062] [2023-11-29 01:23:27,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:27,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:27,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:27,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:27,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:27,473 INFO L87 Difference]: Start difference. First operand 2835 states and 3895 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:30,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:30,510 INFO L93 Difference]: Finished difference Result 4677 states and 6480 transitions. [2023-11-29 01:23:30,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:23:30,510 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:30,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:30,514 INFO L225 Difference]: With dead ends: 4677 [2023-11-29 01:23:30,514 INFO L226 Difference]: Without dead ends: 4481 [2023-11-29 01:23:30,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:23:30,516 INFO L413 NwaCegarLoop]: 2305 mSDtfsCounter, 5685 mSDsluCounter, 7146 mSDsCounter, 0 mSdLazyCounter, 7006 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5685 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 7010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:30,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5685 Valid, 9451 Invalid, 7010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7006 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 01:23:30,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2023-11-29 01:23:30,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2831. [2023-11-29 01:23:30,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2794 states have (on average 1.39226914817466) internal successors, (3890), 2830 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3890 transitions. [2023-11-29 01:23:30,550 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3890 transitions. Word has length 133 [2023-11-29 01:23:30,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:30,550 INFO L495 AbstractCegarLoop]: Abstraction has 2831 states and 3890 transitions. [2023-11-29 01:23:30,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3890 transitions. [2023-11-29 01:23:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:30,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:30,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:30,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2023-11-29 01:23:30,553 INFO L420 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:30,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:30,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1067651611, now seen corresponding path program 1 times [2023-11-29 01:23:30,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:30,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105899713] [2023-11-29 01:23:30,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:30,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:30,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:30,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105899713] [2023-11-29 01:23:30,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105899713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:30,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:30,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:30,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835351779] [2023-11-29 01:23:30,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:30,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:30,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:30,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:30,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:30,886 INFO L87 Difference]: Start difference. First operand 2831 states and 3890 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:34,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:34,234 INFO L93 Difference]: Finished difference Result 4675 states and 6477 transitions. [2023-11-29 01:23:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:23:34,234 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:34,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:34,238 INFO L225 Difference]: With dead ends: 4675 [2023-11-29 01:23:34,238 INFO L226 Difference]: Without dead ends: 4481 [2023-11-29 01:23:34,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:23:34,239 INFO L413 NwaCegarLoop]: 2236 mSDtfsCounter, 8301 mSDsluCounter, 7780 mSDsCounter, 0 mSdLazyCounter, 7409 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8301 SdHoareTripleChecker+Valid, 10016 SdHoareTripleChecker+Invalid, 7413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:34,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8301 Valid, 10016 Invalid, 7413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7409 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:23:34,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2023-11-29 01:23:34,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2831. [2023-11-29 01:23:34,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2794 states have (on average 1.3919112383679313) internal successors, (3889), 2830 states have internal predecessors, (3889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:34,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3889 transitions. [2023-11-29 01:23:34,271 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3889 transitions. Word has length 133 [2023-11-29 01:23:34,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:34,271 INFO L495 AbstractCegarLoop]: Abstraction has 2831 states and 3889 transitions. [2023-11-29 01:23:34,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:34,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3889 transitions. [2023-11-29 01:23:34,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:34,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:34,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:34,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2023-11-29 01:23:34,273 INFO L420 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:34,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:34,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1128670322, now seen corresponding path program 1 times [2023-11-29 01:23:34,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:34,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847188473] [2023-11-29 01:23:34,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:34,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:34,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:34,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:34,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847188473] [2023-11-29 01:23:34,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847188473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:34,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:34,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:34,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824942761] [2023-11-29 01:23:34,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:34,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:34,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:34,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:34,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:34,532 INFO L87 Difference]: Start difference. First operand 2831 states and 3889 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:37,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:37,608 INFO L93 Difference]: Finished difference Result 4676 states and 6477 transitions. [2023-11-29 01:23:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:23:37,608 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:37,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:37,611 INFO L225 Difference]: With dead ends: 4676 [2023-11-29 01:23:37,611 INFO L226 Difference]: Without dead ends: 4481 [2023-11-29 01:23:37,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:23:37,612 INFO L413 NwaCegarLoop]: 2021 mSDtfsCounter, 6021 mSDsluCounter, 6385 mSDsCounter, 0 mSdLazyCounter, 6732 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6021 SdHoareTripleChecker+Valid, 8406 SdHoareTripleChecker+Invalid, 6736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:37,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6021 Valid, 8406 Invalid, 6736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6732 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:23:37,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2023-11-29 01:23:37,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2827. [2023-11-29 01:23:37,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2827 states, 2790 states have (on average 1.3921146953405017) internal successors, (3884), 2826 states have internal predecessors, (3884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 3884 transitions. [2023-11-29 01:23:37,639 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 3884 transitions. Word has length 133 [2023-11-29 01:23:37,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:37,639 INFO L495 AbstractCegarLoop]: Abstraction has 2827 states and 3884 transitions. [2023-11-29 01:23:37,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3884 transitions. [2023-11-29 01:23:37,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:37,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:37,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:37,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2023-11-29 01:23:37,641 INFO L420 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:37,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:37,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1803437850, now seen corresponding path program 1 times [2023-11-29 01:23:37,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:37,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693483904] [2023-11-29 01:23:37,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:37,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:37,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:37,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693483904] [2023-11-29 01:23:37,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693483904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:37,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:37,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:37,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249488518] [2023-11-29 01:23:37,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:37,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:37,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:37,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:37,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:37,935 INFO L87 Difference]: Start difference. First operand 2827 states and 3884 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:41,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:41,251 INFO L93 Difference]: Finished difference Result 4675 states and 6475 transitions. [2023-11-29 01:23:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:23:41,252 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:41,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:41,255 INFO L225 Difference]: With dead ends: 4675 [2023-11-29 01:23:41,255 INFO L226 Difference]: Without dead ends: 4481 [2023-11-29 01:23:41,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:23:41,256 INFO L413 NwaCegarLoop]: 2247 mSDtfsCounter, 8295 mSDsluCounter, 7798 mSDsCounter, 0 mSdLazyCounter, 7416 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8295 SdHoareTripleChecker+Valid, 10045 SdHoareTripleChecker+Invalid, 7420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:41,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8295 Valid, 10045 Invalid, 7420 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7416 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:23:41,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2023-11-29 01:23:41,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2827. [2023-11-29 01:23:41,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2827 states, 2790 states have (on average 1.3917562724014336) internal successors, (3883), 2826 states have internal predecessors, (3883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:41,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 3883 transitions. [2023-11-29 01:23:41,285 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 3883 transitions. Word has length 133 [2023-11-29 01:23:41,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:41,285 INFO L495 AbstractCegarLoop]: Abstraction has 2827 states and 3883 transitions. [2023-11-29 01:23:41,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3883 transitions. [2023-11-29 01:23:41,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:41,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:41,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:41,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2023-11-29 01:23:41,287 INFO L420 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:41,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:41,287 INFO L85 PathProgramCache]: Analyzing trace with hash -183076867, now seen corresponding path program 1 times [2023-11-29 01:23:41,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:41,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602758515] [2023-11-29 01:23:41,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:41,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:41,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:41,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:41,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602758515] [2023-11-29 01:23:41,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602758515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:41,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:41,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:41,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756900068] [2023-11-29 01:23:41,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:41,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:41,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:41,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:41,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:41,562 INFO L87 Difference]: Start difference. First operand 2827 states and 3883 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:44,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:44,796 INFO L93 Difference]: Finished difference Result 4676 states and 6475 transitions. [2023-11-29 01:23:44,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:23:44,797 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:44,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:44,800 INFO L225 Difference]: With dead ends: 4676 [2023-11-29 01:23:44,800 INFO L226 Difference]: Without dead ends: 4481 [2023-11-29 01:23:44,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:23:44,801 INFO L413 NwaCegarLoop]: 2095 mSDtfsCounter, 8575 mSDsluCounter, 6605 mSDsCounter, 0 mSdLazyCounter, 6961 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8575 SdHoareTripleChecker+Valid, 8700 SdHoareTripleChecker+Invalid, 6964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:44,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8575 Valid, 8700 Invalid, 6964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6961 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:23:44,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2023-11-29 01:23:44,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2823. [2023-11-29 01:23:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2786 states have (on average 1.3919597989949748) internal successors, (3878), 2822 states have internal predecessors, (3878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3878 transitions. [2023-11-29 01:23:44,831 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3878 transitions. Word has length 133 [2023-11-29 01:23:44,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:44,832 INFO L495 AbstractCegarLoop]: Abstraction has 2823 states and 3878 transitions. [2023-11-29 01:23:44,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3878 transitions. [2023-11-29 01:23:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:44,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:44,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:44,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2023-11-29 01:23:44,833 INFO L420 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:44,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:44,834 INFO L85 PathProgramCache]: Analyzing trace with hash -330269804, now seen corresponding path program 1 times [2023-11-29 01:23:44,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:44,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28382964] [2023-11-29 01:23:44,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:45,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:45,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:45,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28382964] [2023-11-29 01:23:45,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28382964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:45,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:45,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:45,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184621862] [2023-11-29 01:23:45,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:45,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:45,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:45,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:45,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:45,109 INFO L87 Difference]: Start difference. First operand 2823 states and 3878 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:48,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:48,198 INFO L93 Difference]: Finished difference Result 4675 states and 6473 transitions. [2023-11-29 01:23:48,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:23:48,199 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:48,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:48,202 INFO L225 Difference]: With dead ends: 4675 [2023-11-29 01:23:48,202 INFO L226 Difference]: Without dead ends: 4481 [2023-11-29 01:23:48,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:23:48,203 INFO L413 NwaCegarLoop]: 2328 mSDtfsCounter, 5667 mSDsluCounter, 7168 mSDsCounter, 0 mSdLazyCounter, 7005 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5667 SdHoareTripleChecker+Valid, 9496 SdHoareTripleChecker+Invalid, 7009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:48,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5667 Valid, 9496 Invalid, 7009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7005 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:23:48,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2023-11-29 01:23:48,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2823. [2023-11-29 01:23:48,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2786 states have (on average 1.3916008614501076) internal successors, (3877), 2822 states have internal predecessors, (3877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3877 transitions. [2023-11-29 01:23:48,230 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3877 transitions. Word has length 133 [2023-11-29 01:23:48,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:48,231 INFO L495 AbstractCegarLoop]: Abstraction has 2823 states and 3877 transitions. [2023-11-29 01:23:48,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:48,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3877 transitions. [2023-11-29 01:23:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:48,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:48,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:48,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2023-11-29 01:23:48,232 INFO L420 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:48,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:48,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1204091066, now seen corresponding path program 1 times [2023-11-29 01:23:48,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:48,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871721339] [2023-11-29 01:23:48,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:48,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:48,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:48,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:48,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871721339] [2023-11-29 01:23:48,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871721339] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:48,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:48,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:48,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648455651] [2023-11-29 01:23:48,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:48,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:48,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:48,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:48,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:48,490 INFO L87 Difference]: Start difference. First operand 2823 states and 3877 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:51,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:51,688 INFO L93 Difference]: Finished difference Result 5007 states and 6922 transitions. [2023-11-29 01:23:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:23:51,688 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:51,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:51,692 INFO L225 Difference]: With dead ends: 5007 [2023-11-29 01:23:51,692 INFO L226 Difference]: Without dead ends: 4689 [2023-11-29 01:23:51,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:23:51,693 INFO L413 NwaCegarLoop]: 2264 mSDtfsCounter, 5659 mSDsluCounter, 7114 mSDsCounter, 0 mSdLazyCounter, 7222 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5659 SdHoareTripleChecker+Valid, 9378 SdHoareTripleChecker+Invalid, 7226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:51,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5659 Valid, 9378 Invalid, 7226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7222 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:23:51,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4689 states. [2023-11-29 01:23:51,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4689 to 2815. [2023-11-29 01:23:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2778 states have (on average 1.3920086393088553) internal successors, (3867), 2814 states have internal predecessors, (3867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3867 transitions. [2023-11-29 01:23:51,722 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3867 transitions. Word has length 133 [2023-11-29 01:23:51,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:51,722 INFO L495 AbstractCegarLoop]: Abstraction has 2815 states and 3867 transitions. [2023-11-29 01:23:51,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3867 transitions. [2023-11-29 01:23:51,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:51,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:51,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:51,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2023-11-29 01:23:51,724 INFO L420 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:51,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:51,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1839041396, now seen corresponding path program 1 times [2023-11-29 01:23:51,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:51,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057744232] [2023-11-29 01:23:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:51,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:51,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:51,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057744232] [2023-11-29 01:23:51,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057744232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:51,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:51,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:51,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080881154] [2023-11-29 01:23:51,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:51,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:51,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:51,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:51,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:51,992 INFO L87 Difference]: Start difference. First operand 2815 states and 3867 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:55,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:55,013 INFO L93 Difference]: Finished difference Result 4683 states and 6481 transitions. [2023-11-29 01:23:55,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:23:55,014 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:55,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:55,017 INFO L225 Difference]: With dead ends: 4683 [2023-11-29 01:23:55,017 INFO L226 Difference]: Without dead ends: 4473 [2023-11-29 01:23:55,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:23:55,019 INFO L413 NwaCegarLoop]: 2036 mSDtfsCounter, 5990 mSDsluCounter, 6422 mSDsCounter, 0 mSdLazyCounter, 6742 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5990 SdHoareTripleChecker+Valid, 8458 SdHoareTripleChecker+Invalid, 6746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:55,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5990 Valid, 8458 Invalid, 6746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6742 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 01:23:55,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4473 states. [2023-11-29 01:23:55,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4473 to 2807. [2023-11-29 01:23:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 2770 states have (on average 1.392418772563177) internal successors, (3857), 2806 states have internal predecessors, (3857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3857 transitions. [2023-11-29 01:23:55,048 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3857 transitions. Word has length 133 [2023-11-29 01:23:55,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:55,048 INFO L495 AbstractCegarLoop]: Abstraction has 2807 states and 3857 transitions. [2023-11-29 01:23:55,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3857 transitions. [2023-11-29 01:23:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:55,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:55,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:55,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2023-11-29 01:23:55,050 INFO L420 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:55,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:55,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1252228240, now seen corresponding path program 1 times [2023-11-29 01:23:55,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:55,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416629675] [2023-11-29 01:23:55,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:55,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:55,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:55,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416629675] [2023-11-29 01:23:55,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416629675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:55,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:55,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:55,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217169349] [2023-11-29 01:23:55,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:55,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:55,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:55,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:55,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:55,334 INFO L87 Difference]: Start difference. First operand 2807 states and 3857 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:58,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:58,551 INFO L93 Difference]: Finished difference Result 4679 states and 6473 transitions. [2023-11-29 01:23:58,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:23:58,551 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:23:58,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:58,555 INFO L225 Difference]: With dead ends: 4679 [2023-11-29 01:23:58,555 INFO L226 Difference]: Without dead ends: 4473 [2023-11-29 01:23:58,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:23:58,555 INFO L413 NwaCegarLoop]: 2044 mSDtfsCounter, 8753 mSDsluCounter, 6450 mSDsCounter, 0 mSdLazyCounter, 6760 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8753 SdHoareTripleChecker+Valid, 8494 SdHoareTripleChecker+Invalid, 6764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:58,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8753 Valid, 8494 Invalid, 6764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6760 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:23:58,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4473 states. [2023-11-29 01:23:58,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4473 to 2799. [2023-11-29 01:23:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2762 states have (on average 1.392831281679942) internal successors, (3847), 2798 states have internal predecessors, (3847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:58,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3847 transitions. [2023-11-29 01:23:58,583 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3847 transitions. Word has length 133 [2023-11-29 01:23:58,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:58,583 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3847 transitions. [2023-11-29 01:23:58,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:23:58,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3847 transitions. [2023-11-29 01:23:58,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:23:58,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:58,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:58,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2023-11-29 01:23:58,585 INFO L420 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:23:58,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:58,585 INFO L85 PathProgramCache]: Analyzing trace with hash -828885072, now seen corresponding path program 1 times [2023-11-29 01:23:58,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:58,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081161198] [2023-11-29 01:23:58,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:58,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:58,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:58,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081161198] [2023-11-29 01:23:58,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081161198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:58,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:58,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:23:58,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129187601] [2023-11-29 01:23:58,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:58,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:23:58,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:58,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:23:58,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:58,839 INFO L87 Difference]: Start difference. First operand 2799 states and 3847 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:01,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:01,986 INFO L93 Difference]: Finished difference Result 4833 states and 6684 transitions. [2023-11-29 01:24:01,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:24:01,986 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:24:01,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:01,990 INFO L225 Difference]: With dead ends: 4833 [2023-11-29 01:24:01,990 INFO L226 Difference]: Without dead ends: 4601 [2023-11-29 01:24:01,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:24:01,991 INFO L413 NwaCegarLoop]: 2216 mSDtfsCounter, 8308 mSDsluCounter, 7045 mSDsCounter, 0 mSdLazyCounter, 7166 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8308 SdHoareTripleChecker+Valid, 9261 SdHoareTripleChecker+Invalid, 7170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:01,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8308 Valid, 9261 Invalid, 7170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7166 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:24:01,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2023-11-29 01:24:02,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 2791. [2023-11-29 01:24:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2754 states have (on average 1.3932461873638344) internal successors, (3837), 2790 states have internal predecessors, (3837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:02,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3837 transitions. [2023-11-29 01:24:02,022 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3837 transitions. Word has length 133 [2023-11-29 01:24:02,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:02,022 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3837 transitions. [2023-11-29 01:24:02,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:02,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3837 transitions. [2023-11-29 01:24:02,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:24:02,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:02,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:02,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2023-11-29 01:24:02,024 INFO L420 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:02,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:02,025 INFO L85 PathProgramCache]: Analyzing trace with hash -415337978, now seen corresponding path program 1 times [2023-11-29 01:24:02,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:02,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899972369] [2023-11-29 01:24:02,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:02,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:02,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:02,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899972369] [2023-11-29 01:24:02,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899972369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:02,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:02,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:02,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308473326] [2023-11-29 01:24:02,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:02,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:02,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:02,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:02,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:02,327 INFO L87 Difference]: Start difference. First operand 2791 states and 3837 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:05,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:05,436 INFO L93 Difference]: Finished difference Result 4669 states and 6460 transitions. [2023-11-29 01:24:05,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:24:05,437 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:24:05,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:05,441 INFO L225 Difference]: With dead ends: 4669 [2023-11-29 01:24:05,441 INFO L226 Difference]: Without dead ends: 4465 [2023-11-29 01:24:05,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:24:05,442 INFO L413 NwaCegarLoop]: 2073 mSDtfsCounter, 5913 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 6844 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5913 SdHoareTripleChecker+Valid, 8614 SdHoareTripleChecker+Invalid, 6848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:05,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5913 Valid, 8614 Invalid, 6848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6844 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:24:05,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2023-11-29 01:24:05,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 2783. [2023-11-29 01:24:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2783 states, 2746 states have (on average 1.3936635105608157) internal successors, (3827), 2782 states have internal predecessors, (3827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2783 states and 3827 transitions. [2023-11-29 01:24:05,474 INFO L78 Accepts]: Start accepts. Automaton has 2783 states and 3827 transitions. Word has length 133 [2023-11-29 01:24:05,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:05,474 INFO L495 AbstractCegarLoop]: Abstraction has 2783 states and 3827 transitions. [2023-11-29 01:24:05,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3827 transitions. [2023-11-29 01:24:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:24:05,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:05,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:05,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2023-11-29 01:24:05,476 INFO L420 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:05,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:05,476 INFO L85 PathProgramCache]: Analyzing trace with hash 467124440, now seen corresponding path program 1 times [2023-11-29 01:24:05,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:05,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473127636] [2023-11-29 01:24:05,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:05,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:05,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:05,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:05,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473127636] [2023-11-29 01:24:05,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473127636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:05,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:05,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:05,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491024184] [2023-11-29 01:24:05,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:05,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:05,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:05,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:05,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:05,743 INFO L87 Difference]: Start difference. First operand 2783 states and 3827 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:08,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:08,809 INFO L93 Difference]: Finished difference Result 4669 states and 6458 transitions. [2023-11-29 01:24:08,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:24:08,810 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:24:08,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:08,812 INFO L225 Difference]: With dead ends: 4669 [2023-11-29 01:24:08,812 INFO L226 Difference]: Without dead ends: 4465 [2023-11-29 01:24:08,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:24:08,813 INFO L413 NwaCegarLoop]: 2078 mSDtfsCounter, 5900 mSDsluCounter, 6556 mSDsCounter, 0 mSdLazyCounter, 6864 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5900 SdHoareTripleChecker+Valid, 8634 SdHoareTripleChecker+Invalid, 6868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:08,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5900 Valid, 8634 Invalid, 6868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6864 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 01:24:08,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2023-11-29 01:24:08,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 2775. [2023-11-29 01:24:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.3940832724616508) internal successors, (3817), 2774 states have internal predecessors, (3817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3817 transitions. [2023-11-29 01:24:08,838 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3817 transitions. Word has length 133 [2023-11-29 01:24:08,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:08,839 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3817 transitions. [2023-11-29 01:24:08,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3817 transitions. [2023-11-29 01:24:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:24:08,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:08,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:08,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2023-11-29 01:24:08,841 INFO L420 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:08,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:08,841 INFO L85 PathProgramCache]: Analyzing trace with hash -308112543, now seen corresponding path program 1 times [2023-11-29 01:24:08,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:08,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252643524] [2023-11-29 01:24:08,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:08,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:09,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:09,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252643524] [2023-11-29 01:24:09,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252643524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:09,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:09,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:09,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178826] [2023-11-29 01:24:09,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:09,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:09,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:09,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:09,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:09,151 INFO L87 Difference]: Start difference. First operand 2775 states and 3817 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:12,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:12,009 INFO L93 Difference]: Finished difference Result 4669 states and 6456 transitions. [2023-11-29 01:24:12,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:12,009 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:24:12,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:12,013 INFO L225 Difference]: With dead ends: 4669 [2023-11-29 01:24:12,013 INFO L226 Difference]: Without dead ends: 4465 [2023-11-29 01:24:12,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:12,014 INFO L413 NwaCegarLoop]: 2424 mSDtfsCounter, 8075 mSDsluCounter, 6587 mSDsCounter, 0 mSdLazyCounter, 6527 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8075 SdHoareTripleChecker+Valid, 9011 SdHoareTripleChecker+Invalid, 6531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:12,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8075 Valid, 9011 Invalid, 6531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6527 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 01:24:12,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2023-11-29 01:24:12,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 2767. [2023-11-29 01:24:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 2730 states have (on average 1.3945054945054944) internal successors, (3807), 2766 states have internal predecessors, (3807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3807 transitions. [2023-11-29 01:24:12,042 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3807 transitions. Word has length 133 [2023-11-29 01:24:12,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:12,042 INFO L495 AbstractCegarLoop]: Abstraction has 2767 states and 3807 transitions. [2023-11-29 01:24:12,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3807 transitions. [2023-11-29 01:24:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:24:12,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:12,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:12,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2023-11-29 01:24:12,044 INFO L420 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:12,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1899766223, now seen corresponding path program 1 times [2023-11-29 01:24:12,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:12,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427676927] [2023-11-29 01:24:12,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:12,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:12,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427676927] [2023-11-29 01:24:12,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427676927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:12,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:12,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:12,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757313990] [2023-11-29 01:24:12,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:12,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:12,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:12,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:12,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:12,348 INFO L87 Difference]: Start difference. First operand 2767 states and 3807 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:15,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:15,623 INFO L93 Difference]: Finished difference Result 4665 states and 6450 transitions. [2023-11-29 01:24:15,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:15,624 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:24:15,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:15,627 INFO L225 Difference]: With dead ends: 4665 [2023-11-29 01:24:15,627 INFO L226 Difference]: Without dead ends: 4465 [2023-11-29 01:24:15,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:15,629 INFO L413 NwaCegarLoop]: 2355 mSDtfsCounter, 8262 mSDsluCounter, 7984 mSDsCounter, 0 mSdLazyCounter, 7520 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8262 SdHoareTripleChecker+Valid, 10339 SdHoareTripleChecker+Invalid, 7524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:15,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8262 Valid, 10339 Invalid, 7524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7520 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:24:15,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2023-11-29 01:24:15,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 2767. [2023-11-29 01:24:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 2730 states have (on average 1.3937728937728937) internal successors, (3805), 2766 states have internal predecessors, (3805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3805 transitions. [2023-11-29 01:24:15,656 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3805 transitions. Word has length 133 [2023-11-29 01:24:15,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:15,657 INFO L495 AbstractCegarLoop]: Abstraction has 2767 states and 3805 transitions. [2023-11-29 01:24:15,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3805 transitions. [2023-11-29 01:24:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:24:15,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:15,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:15,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2023-11-29 01:24:15,658 INFO L420 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:15,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:15,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1183309169, now seen corresponding path program 1 times [2023-11-29 01:24:15,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:15,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752806385] [2023-11-29 01:24:15,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:15,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:15,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:15,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752806385] [2023-11-29 01:24:15,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752806385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:15,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:15,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:15,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824298776] [2023-11-29 01:24:15,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:15,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:15,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:15,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:15,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:15,923 INFO L87 Difference]: Start difference. First operand 2767 states and 3805 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:19,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:19,048 INFO L93 Difference]: Finished difference Result 4667 states and 6450 transitions. [2023-11-29 01:24:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:24:19,048 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-11-29 01:24:19,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:19,051 INFO L225 Difference]: With dead ends: 4667 [2023-11-29 01:24:19,051 INFO L226 Difference]: Without dead ends: 4465 [2023-11-29 01:24:19,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:24:19,052 INFO L413 NwaCegarLoop]: 2144 mSDtfsCounter, 8346 mSDsluCounter, 6752 mSDsCounter, 0 mSdLazyCounter, 7113 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8346 SdHoareTripleChecker+Valid, 8896 SdHoareTripleChecker+Invalid, 7116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:19,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8346 Valid, 8896 Invalid, 7116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7113 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:24:19,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2023-11-29 01:24:19,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 2759. [2023-11-29 01:24:19,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.3941954445260838) internal successors, (3795), 2758 states have internal predecessors, (3795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3795 transitions. [2023-11-29 01:24:19,083 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3795 transitions. Word has length 133 [2023-11-29 01:24:19,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:19,083 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3795 transitions. [2023-11-29 01:24:19,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3795 transitions. [2023-11-29 01:24:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:19,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:19,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:19,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2023-11-29 01:24:19,085 INFO L420 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:19,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:19,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1297950463, now seen corresponding path program 1 times [2023-11-29 01:24:19,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:19,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783600810] [2023-11-29 01:24:19,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:19,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:19,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783600810] [2023-11-29 01:24:19,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783600810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:19,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:19,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:19,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409772106] [2023-11-29 01:24:19,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:19,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:19,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:19,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:19,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:19,350 INFO L87 Difference]: Start difference. First operand 2759 states and 3795 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:22,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:22,234 INFO L93 Difference]: Finished difference Result 4670 states and 6447 transitions. [2023-11-29 01:24:22,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:24:22,234 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:24:22,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:22,238 INFO L225 Difference]: With dead ends: 4670 [2023-11-29 01:24:22,238 INFO L226 Difference]: Without dead ends: 4465 [2023-11-29 01:24:22,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:24:22,239 INFO L413 NwaCegarLoop]: 2089 mSDtfsCounter, 5992 mSDsluCounter, 6512 mSDsCounter, 0 mSdLazyCounter, 6826 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5992 SdHoareTripleChecker+Valid, 8601 SdHoareTripleChecker+Invalid, 6831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:22,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5992 Valid, 8601 Invalid, 6831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6826 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 01:24:22,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2023-11-29 01:24:22,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 2759. [2023-11-29 01:24:22,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.393828067597355) internal successors, (3794), 2758 states have internal predecessors, (3794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3794 transitions. [2023-11-29 01:24:22,268 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3794 transitions. Word has length 134 [2023-11-29 01:24:22,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:22,268 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3794 transitions. [2023-11-29 01:24:22,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3794 transitions. [2023-11-29 01:24:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:22,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:22,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:22,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2023-11-29 01:24:22,270 INFO L420 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:22,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:22,270 INFO L85 PathProgramCache]: Analyzing trace with hash -614246639, now seen corresponding path program 1 times [2023-11-29 01:24:22,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:22,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123052725] [2023-11-29 01:24:22,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:22,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:22,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:22,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123052725] [2023-11-29 01:24:22,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123052725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:22,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:22,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:22,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105321926] [2023-11-29 01:24:22,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:22,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:22,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:22,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:22,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:22,578 INFO L87 Difference]: Start difference. First operand 2759 states and 3794 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:25,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:25,818 INFO L93 Difference]: Finished difference Result 4490 states and 6162 transitions. [2023-11-29 01:24:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:25,818 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:24:25,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:25,822 INFO L225 Difference]: With dead ends: 4490 [2023-11-29 01:24:25,822 INFO L226 Difference]: Without dead ends: 4297 [2023-11-29 01:24:25,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:25,823 INFO L413 NwaCegarLoop]: 1906 mSDtfsCounter, 8710 mSDsluCounter, 6707 mSDsCounter, 0 mSdLazyCounter, 6959 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8710 SdHoareTripleChecker+Valid, 8613 SdHoareTripleChecker+Invalid, 6963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:25,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8710 Valid, 8613 Invalid, 6963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6959 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:24:25,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2023-11-29 01:24:25,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2759. [2023-11-29 01:24:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.393460690668626) internal successors, (3793), 2758 states have internal predecessors, (3793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3793 transitions. [2023-11-29 01:24:25,851 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3793 transitions. Word has length 134 [2023-11-29 01:24:25,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:25,851 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3793 transitions. [2023-11-29 01:24:25,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:25,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3793 transitions. [2023-11-29 01:24:25,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:25,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:25,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:25,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2023-11-29 01:24:25,853 INFO L420 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:25,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:25,853 INFO L85 PathProgramCache]: Analyzing trace with hash -106745407, now seen corresponding path program 1 times [2023-11-29 01:24:25,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:25,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648634715] [2023-11-29 01:24:25,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:25,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:26,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:26,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:26,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648634715] [2023-11-29 01:24:26,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648634715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:26,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:26,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:26,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109407727] [2023-11-29 01:24:26,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:26,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:26,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:26,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:26,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:26,160 INFO L87 Difference]: Start difference. First operand 2759 states and 3793 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:29,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:29,356 INFO L93 Difference]: Finished difference Result 4487 states and 6158 transitions. [2023-11-29 01:24:29,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:29,357 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:24:29,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:29,360 INFO L225 Difference]: With dead ends: 4487 [2023-11-29 01:24:29,360 INFO L226 Difference]: Without dead ends: 4297 [2023-11-29 01:24:29,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:29,361 INFO L413 NwaCegarLoop]: 2013 mSDtfsCounter, 8703 mSDsluCounter, 6886 mSDsCounter, 0 mSdLazyCounter, 7117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8703 SdHoareTripleChecker+Valid, 8899 SdHoareTripleChecker+Invalid, 7120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:29,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8703 Valid, 8899 Invalid, 7120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7117 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:24:29,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2023-11-29 01:24:29,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2759. [2023-11-29 01:24:29,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.393093313739897) internal successors, (3792), 2758 states have internal predecessors, (3792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3792 transitions. [2023-11-29 01:24:29,387 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3792 transitions. Word has length 134 [2023-11-29 01:24:29,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:29,387 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3792 transitions. [2023-11-29 01:24:29,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3792 transitions. [2023-11-29 01:24:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:29,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:29,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:29,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2023-11-29 01:24:29,389 INFO L420 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:29,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:29,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1369383214, now seen corresponding path program 1 times [2023-11-29 01:24:29,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:29,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510899734] [2023-11-29 01:24:29,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:29,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:29,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:29,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510899734] [2023-11-29 01:24:29,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510899734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:29,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:29,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:29,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329160702] [2023-11-29 01:24:29,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:29,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:29,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:29,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:29,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:29,663 INFO L87 Difference]: Start difference. First operand 2759 states and 3792 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:32,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:32,680 INFO L93 Difference]: Finished difference Result 4490 states and 6160 transitions. [2023-11-29 01:24:32,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:32,681 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:24:32,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:32,685 INFO L225 Difference]: With dead ends: 4490 [2023-11-29 01:24:32,685 INFO L226 Difference]: Without dead ends: 4297 [2023-11-29 01:24:32,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:32,687 INFO L413 NwaCegarLoop]: 1981 mSDtfsCounter, 6123 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 7133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6123 SdHoareTripleChecker+Valid, 8832 SdHoareTripleChecker+Invalid, 7137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:32,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6123 Valid, 8832 Invalid, 7137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7133 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 01:24:32,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2023-11-29 01:24:32,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2759. [2023-11-29 01:24:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.3927259368111682) internal successors, (3791), 2758 states have internal predecessors, (3791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3791 transitions. [2023-11-29 01:24:32,729 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3791 transitions. Word has length 134 [2023-11-29 01:24:32,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:32,729 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3791 transitions. [2023-11-29 01:24:32,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:32,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3791 transitions. [2023-11-29 01:24:32,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:32,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:32,732 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:32,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2023-11-29 01:24:32,733 INFO L420 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:32,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:32,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1452013098, now seen corresponding path program 1 times [2023-11-29 01:24:32,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:32,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068470023] [2023-11-29 01:24:32,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:32,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:33,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:33,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068470023] [2023-11-29 01:24:33,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068470023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:33,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:33,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:33,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41159677] [2023-11-29 01:24:33,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:33,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:33,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:33,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:33,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:33,095 INFO L87 Difference]: Start difference. First operand 2759 states and 3791 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:36,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:36,615 INFO L93 Difference]: Finished difference Result 4487 states and 6155 transitions. [2023-11-29 01:24:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:36,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:24:36,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:36,619 INFO L225 Difference]: With dead ends: 4487 [2023-11-29 01:24:36,619 INFO L226 Difference]: Without dead ends: 4297 [2023-11-29 01:24:36,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:36,620 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 8697 mSDsluCounter, 6898 mSDsCounter, 0 mSdLazyCounter, 7103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8697 SdHoareTripleChecker+Valid, 8914 SdHoareTripleChecker+Invalid, 7106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:36,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8697 Valid, 8914 Invalid, 7106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 7103 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:24:36,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2023-11-29 01:24:36,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2759. [2023-11-29 01:24:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.3923585598824393) internal successors, (3790), 2758 states have internal predecessors, (3790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:36,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3790 transitions. [2023-11-29 01:24:36,648 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3790 transitions. Word has length 134 [2023-11-29 01:24:36,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:36,648 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3790 transitions. [2023-11-29 01:24:36,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:36,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3790 transitions. [2023-11-29 01:24:36,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:36,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:36,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:36,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2023-11-29 01:24:36,651 INFO L420 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:36,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:36,651 INFO L85 PathProgramCache]: Analyzing trace with hash 189492465, now seen corresponding path program 1 times [2023-11-29 01:24:36,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:36,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829627845] [2023-11-29 01:24:36,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:36,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:36,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:36,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829627845] [2023-11-29 01:24:36,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829627845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:36,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:36,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:36,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238019067] [2023-11-29 01:24:36,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:36,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:36,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:36,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:36,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:36,939 INFO L87 Difference]: Start difference. First operand 2759 states and 3790 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:39,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:39,844 INFO L93 Difference]: Finished difference Result 4490 states and 6157 transitions. [2023-11-29 01:24:39,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:39,844 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:24:39,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:39,847 INFO L225 Difference]: With dead ends: 4490 [2023-11-29 01:24:39,847 INFO L226 Difference]: Without dead ends: 4297 [2023-11-29 01:24:39,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:39,848 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 8500 mSDsluCounter, 5699 mSDsCounter, 0 mSdLazyCounter, 6243 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8500 SdHoareTripleChecker+Valid, 7791 SdHoareTripleChecker+Invalid, 6246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:39,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8500 Valid, 7791 Invalid, 6246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6243 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 01:24:39,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2023-11-29 01:24:39,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2759. [2023-11-29 01:24:39,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.3919911829537106) internal successors, (3789), 2758 states have internal predecessors, (3789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3789 transitions. [2023-11-29 01:24:39,873 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3789 transitions. Word has length 134 [2023-11-29 01:24:39,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:39,873 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3789 transitions. [2023-11-29 01:24:39,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3789 transitions. [2023-11-29 01:24:39,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:39,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:39,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:39,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2023-11-29 01:24:39,875 INFO L420 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:39,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:39,875 INFO L85 PathProgramCache]: Analyzing trace with hash 2100707174, now seen corresponding path program 1 times [2023-11-29 01:24:39,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:39,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200821196] [2023-11-29 01:24:39,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:39,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:40,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:40,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200821196] [2023-11-29 01:24:40,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200821196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:40,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:40,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:40,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492287189] [2023-11-29 01:24:40,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:40,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:40,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:40,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:40,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:40,152 INFO L87 Difference]: Start difference. First operand 2759 states and 3789 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:42,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:42,864 INFO L93 Difference]: Finished difference Result 4487 states and 6152 transitions. [2023-11-29 01:24:42,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:42,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:24:42,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:42,868 INFO L225 Difference]: With dead ends: 4487 [2023-11-29 01:24:42,868 INFO L226 Difference]: Without dead ends: 4297 [2023-11-29 01:24:42,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:42,869 INFO L413 NwaCegarLoop]: 1978 mSDtfsCounter, 8495 mSDsluCounter, 5510 mSDsCounter, 0 mSdLazyCounter, 6087 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8495 SdHoareTripleChecker+Valid, 7488 SdHoareTripleChecker+Invalid, 6091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:42,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8495 Valid, 7488 Invalid, 6091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6087 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 01:24:42,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2023-11-29 01:24:42,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2759. [2023-11-29 01:24:42,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.3916238060249817) internal successors, (3788), 2758 states have internal predecessors, (3788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:42,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3788 transitions. [2023-11-29 01:24:42,895 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3788 transitions. Word has length 134 [2023-11-29 01:24:42,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:42,895 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3788 transitions. [2023-11-29 01:24:42,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:42,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3788 transitions. [2023-11-29 01:24:42,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:42,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:42,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:42,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2023-11-29 01:24:42,897 INFO L420 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:42,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:42,897 INFO L85 PathProgramCache]: Analyzing trace with hash -570183613, now seen corresponding path program 1 times [2023-11-29 01:24:42,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:42,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907105215] [2023-11-29 01:24:42,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:42,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:43,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:43,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907105215] [2023-11-29 01:24:43,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907105215] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:43,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:43,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:43,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790462906] [2023-11-29 01:24:43,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:43,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:43,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:43,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:43,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:43,210 INFO L87 Difference]: Start difference. First operand 2759 states and 3788 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:46,401 INFO L93 Difference]: Finished difference Result 4660 states and 6427 transitions. [2023-11-29 01:24:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:46,402 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:24:46,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:46,405 INFO L225 Difference]: With dead ends: 4660 [2023-11-29 01:24:46,406 INFO L226 Difference]: Without dead ends: 4465 [2023-11-29 01:24:46,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:46,407 INFO L413 NwaCegarLoop]: 2474 mSDtfsCounter, 8242 mSDsluCounter, 8186 mSDsCounter, 0 mSdLazyCounter, 7619 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8242 SdHoareTripleChecker+Valid, 10660 SdHoareTripleChecker+Invalid, 7622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:46,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8242 Valid, 10660 Invalid, 7622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7619 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:24:46,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2023-11-29 01:24:46,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 2759. [2023-11-29 01:24:46,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.3912564290962528) internal successors, (3787), 2758 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3787 transitions. [2023-11-29 01:24:46,436 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3787 transitions. Word has length 134 [2023-11-29 01:24:46,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:46,436 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3787 transitions. [2023-11-29 01:24:46,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:46,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3787 transitions. [2023-11-29 01:24:46,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:46,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:46,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:46,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2023-11-29 01:24:46,438 INFO L420 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:46,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:46,438 INFO L85 PathProgramCache]: Analyzing trace with hash -813927295, now seen corresponding path program 1 times [2023-11-29 01:24:46,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:46,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410030360] [2023-11-29 01:24:46,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:46,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:46,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:46,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:46,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410030360] [2023-11-29 01:24:46,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410030360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:46,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:46,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:46,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834840043] [2023-11-29 01:24:46,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:46,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:46,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:46,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:46,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:46,712 INFO L87 Difference]: Start difference. First operand 2759 states and 3787 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:49,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:49,955 INFO L93 Difference]: Finished difference Result 4487 states and 6149 transitions. [2023-11-29 01:24:49,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:49,956 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:24:49,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:49,959 INFO L225 Difference]: With dead ends: 4487 [2023-11-29 01:24:49,959 INFO L226 Difference]: Without dead ends: 4297 [2023-11-29 01:24:49,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:49,960 INFO L413 NwaCegarLoop]: 1985 mSDtfsCounter, 6108 mSDsluCounter, 6868 mSDsCounter, 0 mSdLazyCounter, 7119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6108 SdHoareTripleChecker+Valid, 8853 SdHoareTripleChecker+Invalid, 7123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:49,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6108 Valid, 8853 Invalid, 7123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7119 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:24:49,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2023-11-29 01:24:49,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2759. [2023-11-29 01:24:49,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.390889052167524) internal successors, (3786), 2758 states have internal predecessors, (3786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3786 transitions. [2023-11-29 01:24:49,986 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3786 transitions. Word has length 134 [2023-11-29 01:24:49,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:49,986 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3786 transitions. [2023-11-29 01:24:49,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:49,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3786 transitions. [2023-11-29 01:24:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:49,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:49,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:49,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2023-11-29 01:24:49,988 INFO L420 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:49,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:49,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1334382623, now seen corresponding path program 1 times [2023-11-29 01:24:49,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:49,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624810518] [2023-11-29 01:24:49,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:49,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:50,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:50,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624810518] [2023-11-29 01:24:50,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624810518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:50,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:50,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:50,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572023585] [2023-11-29 01:24:50,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:50,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:50,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:50,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:50,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:50,289 INFO L87 Difference]: Start difference. First operand 2759 states and 3786 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:53,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:53,572 INFO L93 Difference]: Finished difference Result 4487 states and 6147 transitions. [2023-11-29 01:24:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:53,572 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:24:53,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:53,576 INFO L225 Difference]: With dead ends: 4487 [2023-11-29 01:24:53,576 INFO L226 Difference]: Without dead ends: 4297 [2023-11-29 01:24:53,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:53,577 INFO L413 NwaCegarLoop]: 2021 mSDtfsCounter, 8680 mSDsluCounter, 6916 mSDsCounter, 0 mSdLazyCounter, 7079 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8680 SdHoareTripleChecker+Valid, 8937 SdHoareTripleChecker+Invalid, 7082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:53,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8680 Valid, 8937 Invalid, 7082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7079 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:24:53,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2023-11-29 01:24:53,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2759. [2023-11-29 01:24:53,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.390521675238795) internal successors, (3785), 2758 states have internal predecessors, (3785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3785 transitions. [2023-11-29 01:24:53,608 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3785 transitions. Word has length 134 [2023-11-29 01:24:53,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:53,608 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3785 transitions. [2023-11-29 01:24:53,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:53,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3785 transitions. [2023-11-29 01:24:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:53,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:53,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:53,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2023-11-29 01:24:53,610 INFO L420 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:53,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:53,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1698281507, now seen corresponding path program 1 times [2023-11-29 01:24:53,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:53,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416341873] [2023-11-29 01:24:53,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:53,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:53,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:53,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416341873] [2023-11-29 01:24:53,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416341873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:53,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:53,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:53,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004714719] [2023-11-29 01:24:53,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:53,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:53,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:53,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:53,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:53,896 INFO L87 Difference]: Start difference. First operand 2759 states and 3785 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:56,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:24:56,958 INFO L93 Difference]: Finished difference Result 4490 states and 6149 transitions. [2023-11-29 01:24:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:24:56,958 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:24:56,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:24:56,961 INFO L225 Difference]: With dead ends: 4490 [2023-11-29 01:24:56,962 INFO L226 Difference]: Without dead ends: 4297 [2023-11-29 01:24:56,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:24:56,963 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 6106 mSDsluCounter, 6391 mSDsCounter, 0 mSdLazyCounter, 6736 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6106 SdHoareTripleChecker+Valid, 8488 SdHoareTripleChecker+Invalid, 6739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:24:56,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6106 Valid, 8488 Invalid, 6739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6736 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:24:56,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2023-11-29 01:24:56,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2759. [2023-11-29 01:24:56,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.390154298310066) internal successors, (3784), 2758 states have internal predecessors, (3784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3784 transitions. [2023-11-29 01:24:56,992 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3784 transitions. Word has length 134 [2023-11-29 01:24:56,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:24:56,992 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3784 transitions. [2023-11-29 01:24:56,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:24:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3784 transitions. [2023-11-29 01:24:56,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:24:56,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:24:56,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:24:56,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2023-11-29 01:24:56,995 INFO L420 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:24:56,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:24:56,995 INFO L85 PathProgramCache]: Analyzing trace with hash -685688547, now seen corresponding path program 1 times [2023-11-29 01:24:56,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:24:56,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091844849] [2023-11-29 01:24:56,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:56,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:24:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:24:57,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:24:57,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091844849] [2023-11-29 01:24:57,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091844849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:24:57,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:24:57,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:24:57,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956054582] [2023-11-29 01:24:57,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:24:57,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:24:57,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:24:57,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:24:57,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:24:57,263 INFO L87 Difference]: Start difference. First operand 2759 states and 3784 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:25:00,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:25:00,072 INFO L93 Difference]: Finished difference Result 4487 states and 6144 transitions. [2023-11-29 01:25:00,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:25:00,072 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-29 01:25:00,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:25:00,075 INFO L225 Difference]: With dead ends: 4487 [2023-11-29 01:25:00,076 INFO L226 Difference]: Without dead ends: 4297 [2023-11-29 01:25:00,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:25:00,076 INFO L413 NwaCegarLoop]: 1983 mSDtfsCounter, 8478 mSDsluCounter, 5528 mSDsCounter, 0 mSdLazyCounter, 6069 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8478 SdHoareTripleChecker+Valid, 7511 SdHoareTripleChecker+Invalid, 6073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:25:00,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8478 Valid, 7511 Invalid, 6073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6069 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 01:25:00,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2023-11-29 01:25:00,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2759. [2023-11-29 01:25:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2722 states have (on average 1.3897869213813372) internal successors, (3783), 2758 states have internal predecessors, (3783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:25:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3783 transitions. [2023-11-29 01:25:00,102 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3783 transitions. Word has length 134 [2023-11-29 01:25:00,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:25:00,102 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3783 transitions. [2023-11-29 01:25:00,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:25:00,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3783 transitions. [2023-11-29 01:25:00,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 01:25:00,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:25:00,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:25:00,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2023-11-29 01:25:00,104 INFO L420 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-11-29 01:25:00,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:25:00,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1682732921, now seen corresponding path program 1 times [2023-11-29 01:25:00,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:25:00,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039324604] [2023-11-29 01:25:00,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:25:00,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:25:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:25:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:25:00,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:25:00,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039324604] [2023-11-29 01:25:00,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039324604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:25:00,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:25:00,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:25:00,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079369289] [2023-11-29 01:25:00,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:25:00,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:25:00,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:25:00,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:25:00,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:25:00,379 INFO L87 Difference]: Start difference. First operand 2759 states and 3783 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)