./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:09:53,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:09:53,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:09:53,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:09:53,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:09:53,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:09:53,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:09:53,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:09:53,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:09:53,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:09:53,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:09:53,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:09:53,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:09:53,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:09:53,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:09:53,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:09:53,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:09:53,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:09:53,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:09:53,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:09:53,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:09:53,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:09:53,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:09:53,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:09:53,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:09:53,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:09:53,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:09:53,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:09:53,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:09:53,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:09:53,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:09:53,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:09:53,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:09:53,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:09:53,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:09:53,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:09:53,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:09:53,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:09:53,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:09:53,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:09:53,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:09:53,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 22:09:53,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:09:53,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:09:53,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:09:53,590 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:09:53,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:09:53,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:09:53,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:09:53,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:09:53,604 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:09:53,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:09:53,605 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:09:53,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:09:53,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:09:53,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:09:53,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:09:53,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:09:53,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:09:53,605 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:09:53,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:09:53,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:09:53,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:09:53,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:09:53,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:09:53,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:09:53,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:09:53,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:09:53,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:09:53,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:09:53,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:09:53,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:09:53,607 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:09:53,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:09:53,607 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:09:53,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:09:53,607 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:09:53,608 INFO L138 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_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 [2022-12-13 22:09:53,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:09:53,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:09:53,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:09:53,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:09:53,797 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:09:53,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-12-13 22:09:56,351 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:09:56,762 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:09:56,763 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-12-13 22:09:56,795 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/data/6f7f95f7d/5ddb1bcdad51416696745090c08aac63/FLAGbdb6010ea [2022-12-13 22:09:56,806 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/data/6f7f95f7d/5ddb1bcdad51416696745090c08aac63 [2022-12-13 22:09:56,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:09:56,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:09:56,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:09:56,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:09:56,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:09:56,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:09:56" (1/1) ... [2022-12-13 22:09:56,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5d0637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:56, skipping insertion in model container [2022-12-13 22:09:56,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:09:56" (1/1) ... [2022-12-13 22:09:56,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:09:57,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:09:57,493 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2022-12-13 22:09:57,520 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2022-12-13 22:09:57,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2022-12-13 22:09:57,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2022-12-13 22:09:57,547 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2022-12-13 22:09:57,554 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2022-12-13 22:09:57,562 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2022-12-13 22:09:57,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2022-12-13 22:09:57,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2022-12-13 22:09:57,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2022-12-13 22:09:57,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2022-12-13 22:09:57,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2022-12-13 22:09:57,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2022-12-13 22:09:57,645 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2022-12-13 22:09:57,656 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2022-12-13 22:09:57,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2022-12-13 22:09:57,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2022-12-13 22:09:57,707 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2022-12-13 22:09:57,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2022-12-13 22:09:57,724 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2022-12-13 22:09:57,741 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2022-12-13 22:09:57,767 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2022-12-13 22:09:57,817 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2022-12-13 22:09:57,824 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2022-12-13 22:09:57,830 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2022-12-13 22:09:57,840 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2022-12-13 22:09:57,859 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2022-12-13 22:09:57,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2022-12-13 22:09:57,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2022-12-13 22:09:58,018 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2022-12-13 22:09:58,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2022-12-13 22:09:58,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2022-12-13 22:09:58,038 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2022-12-13 22:09:58,054 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2022-12-13 22:09:58,077 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2022-12-13 22:09:58,112 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2022-12-13 22:09:58,169 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2022-12-13 22:09:59,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:09:59,362 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:09:59,431 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2022-12-13 22:09:59,445 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2022-12-13 22:09:59,451 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2022-12-13 22:09:59,455 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2022-12-13 22:09:59,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2022-12-13 22:09:59,466 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2022-12-13 22:09:59,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2022-12-13 22:09:59,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2022-12-13 22:09:59,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2022-12-13 22:09:59,490 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2022-12-13 22:09:59,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2022-12-13 22:09:59,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2022-12-13 22:09:59,518 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2022-12-13 22:09:59,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2022-12-13 22:09:59,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2022-12-13 22:09:59,545 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2022-12-13 22:09:59,567 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2022-12-13 22:09:59,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2022-12-13 22:09:59,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2022-12-13 22:09:59,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2022-12-13 22:09:59,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2022-12-13 22:09:59,618 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2022-12-13 22:09:59,651 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2022-12-13 22:09:59,655 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2022-12-13 22:09:59,660 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2022-12-13 22:09:59,669 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2022-12-13 22:09:59,684 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2022-12-13 22:09:59,709 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2022-12-13 22:09:59,749 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2022-12-13 22:09:59,814 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2022-12-13 22:09:59,819 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2022-12-13 22:09:59,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2022-12-13 22:09:59,832 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2022-12-13 22:09:59,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2022-12-13 22:09:59,864 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2022-12-13 22:09:59,893 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2022-12-13 22:09:59,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2022-12-13 22:10:00,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:10:00,925 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:10:00,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00 WrapperNode [2022-12-13 22:10:00,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:10:00,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:10:00,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:10:00,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:10:00,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (1/1) ... [2022-12-13 22:10:00,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (1/1) ... [2022-12-13 22:10:01,222 INFO L138 Inliner]: procedures = 28, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23263 [2022-12-13 22:10:01,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:10:01,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:10:01,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:10:01,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:10:01,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (1/1) ... [2022-12-13 22:10:01,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (1/1) ... [2022-12-13 22:10:01,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (1/1) ... [2022-12-13 22:10:01,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (1/1) ... [2022-12-13 22:10:01,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (1/1) ... [2022-12-13 22:10:01,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (1/1) ... [2022-12-13 22:10:01,421 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (1/1) ... [2022-12-13 22:10:01,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (1/1) ... [2022-12-13 22:10:01,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:10:01,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:10:01,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:10:01,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:10:01,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (1/1) ... [2022-12-13 22:10:01,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:10:01,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:10:01,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:10:01,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c3995-4a7d-4192-a2bc-ef82876a402e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:10:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:10:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:10:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:10:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:10:01,934 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:10:01,935 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:10:07,449 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:10:07,473 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:10:07,473 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:10:07,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:10:07 BoogieIcfgContainer [2022-12-13 22:10:07,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:10:07,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:10:07,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:10:07,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:10:07,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:09:56" (1/3) ... [2022-12-13 22:10:07,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3155431a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:10:07, skipping insertion in model container [2022-12-13 22:10:07,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:00" (2/3) ... [2022-12-13 22:10:07,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3155431a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:10:07, skipping insertion in model container [2022-12-13 22:10:07,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:10:07" (3/3) ... [2022-12-13 22:10:07,484 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-12-13 22:10:07,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:10:07,498 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-12-13 22:10:07,590 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:10:07,594 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35046036, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:10:07,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-12-13 22:10:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 3855 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3854 states have internal predecessors, (7153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 22:10:07,645 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:07,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:07,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:07,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:07,651 INFO L85 PathProgramCache]: Analyzing trace with hash -150150757, now seen corresponding path program 1 times [2022-12-13 22:10:07,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:07,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021456866] [2022-12-13 22:10:07,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:07,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:08,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:08,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:08,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021456866] [2022-12-13 22:10:08,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021456866] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:08,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:08,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:10:08,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241094319] [2022-12-13 22:10:08,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:08,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:10:08,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:08,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:10:08,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:10:08,371 INFO L87 Difference]: Start difference. First operand has 3855 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3854 states have internal predecessors, (7153), 0 states have call successors, (0), 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) [2022-12-13 22:10:10,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:10,777 INFO L93 Difference]: Finished difference Result 6605 states and 11760 transitions. [2022-12-13 22:10:10,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:10:10,779 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 [2022-12-13 22:10:10,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:10,799 INFO L225 Difference]: With dead ends: 6605 [2022-12-13 22:10:10,799 INFO L226 Difference]: Without dead ends: 3825 [2022-12-13 22:10:10,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:10:10,808 INFO L413 NwaCegarLoop]: 3381 mSDtfsCounter, 18407 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18407 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:10,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18407 Valid, 4385 Invalid, 2353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:10:10,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2022-12-13 22:10:10,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3699. [2022-12-13 22:10:10,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3699 states, 3662 states have (on average 1.3779355543418896) internal successors, (5046), 3698 states have internal predecessors, (5046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:10,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 3699 states and 5046 transitions. [2022-12-13 22:10:10,941 INFO L78 Accepts]: Start accepts. Automaton has 3699 states and 5046 transitions. Word has length 116 [2022-12-13 22:10:10,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:10,942 INFO L495 AbstractCegarLoop]: Abstraction has 3699 states and 5046 transitions. [2022-12-13 22:10:10,942 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) [2022-12-13 22:10:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3699 states and 5046 transitions. [2022-12-13 22:10:10,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-13 22:10:10,951 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:10,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:10,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:10:10,952 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:10,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:10,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1021046553, now seen corresponding path program 1 times [2022-12-13 22:10:10,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:10,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726861061] [2022-12-13 22:10:10,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:10,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:11,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:11,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726861061] [2022-12-13 22:10:11,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726861061] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:11,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:11,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:10:11,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246759903] [2022-12-13 22:10:11,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:11,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:10:11,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:11,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:10:11,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:10:11,135 INFO L87 Difference]: Start difference. First operand 3699 states and 5046 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) [2022-12-13 22:10:12,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:12,366 INFO L93 Difference]: Finished difference Result 6310 states and 8877 transitions. [2022-12-13 22:10:12,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:10:12,367 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 [2022-12-13 22:10:12,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:12,376 INFO L225 Difference]: With dead ends: 6310 [2022-12-13 22:10:12,376 INFO L226 Difference]: Without dead ends: 3211 [2022-12-13 22:10:12,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:10:12,380 INFO L413 NwaCegarLoop]: 1753 mSDtfsCounter, 9412 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9412 SdHoareTripleChecker+Valid, 1789 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:12,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9412 Valid, 1789 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 22:10:12,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3211 states. [2022-12-13 22:10:12,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3211 to 3211. [2022-12-13 22:10:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3211 states, 3174 states have (on average 1.415248897290485) internal successors, (4492), 3210 states have internal predecessors, (4492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 3211 states and 4492 transitions. [2022-12-13 22:10:12,457 INFO L78 Accepts]: Start accepts. Automaton has 3211 states and 4492 transitions. Word has length 117 [2022-12-13 22:10:12,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:12,457 INFO L495 AbstractCegarLoop]: Abstraction has 3211 states and 4492 transitions. [2022-12-13 22:10:12,457 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) [2022-12-13 22:10:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3211 states and 4492 transitions. [2022-12-13 22:10:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-13 22:10:12,462 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:12,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:12,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:10:12,462 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:12,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:12,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1704632037, now seen corresponding path program 1 times [2022-12-13 22:10:12,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:12,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437210966] [2022-12-13 22:10:12,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:12,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:12,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:12,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437210966] [2022-12-13 22:10:12,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437210966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:12,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:12,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:10:12,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415492925] [2022-12-13 22:10:12,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:12,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:10:12,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:12,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:10:12,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:10:12,627 INFO L87 Difference]: Start difference. First operand 3211 states and 4492 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) [2022-12-13 22:10:13,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:13,885 INFO L93 Difference]: Finished difference Result 5822 states and 8321 transitions. [2022-12-13 22:10:13,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:10:13,885 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 [2022-12-13 22:10:13,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:13,892 INFO L225 Difference]: With dead ends: 5822 [2022-12-13 22:10:13,892 INFO L226 Difference]: Without dead ends: 3051 [2022-12-13 22:10:13,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:10:13,895 INFO L413 NwaCegarLoop]: 1205 mSDtfsCounter, 8698 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8698 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:13,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8698 Valid, 1265 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 22:10:13,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2022-12-13 22:10:13,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 3051. [2022-12-13 22:10:13,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3051 states, 3014 states have (on average 1.4260119442601193) internal successors, (4298), 3050 states have internal predecessors, (4298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 4298 transitions. [2022-12-13 22:10:13,976 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 4298 transitions. Word has length 118 [2022-12-13 22:10:13,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:13,976 INFO L495 AbstractCegarLoop]: Abstraction has 3051 states and 4298 transitions. [2022-12-13 22:10:13,976 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) [2022-12-13 22:10:13,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 4298 transitions. [2022-12-13 22:10:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-13 22:10:13,980 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:13,980 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] [2022-12-13 22:10:13,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:10:13,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:13,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:13,981 INFO L85 PathProgramCache]: Analyzing trace with hash 46418268, now seen corresponding path program 1 times [2022-12-13 22:10:13,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:13,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343146825] [2022-12-13 22:10:13,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:13,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:14,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:14,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343146825] [2022-12-13 22:10:14,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343146825] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:14,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:14,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:10:14,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861153994] [2022-12-13 22:10:14,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:14,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:10:14,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:14,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:10:14,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:10:14,152 INFO L87 Difference]: Start difference. First operand 3051 states and 4298 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) [2022-12-13 22:10:15,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:15,351 INFO L93 Difference]: Finished difference Result 5662 states and 8125 transitions. [2022-12-13 22:10:15,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:10:15,351 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 [2022-12-13 22:10:15,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:15,358 INFO L225 Difference]: With dead ends: 5662 [2022-12-13 22:10:15,358 INFO L226 Difference]: Without dead ends: 2923 [2022-12-13 22:10:15,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:10:15,363 INFO L413 NwaCegarLoop]: 1346 mSDtfsCounter, 8329 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8329 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:15,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8329 Valid, 1398 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 22:10:15,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2923 states. [2022-12-13 22:10:15,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2923 to 2923. [2022-12-13 22:10:15,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2886 states have (on average 1.4386694386694387) internal successors, (4152), 2922 states have internal predecessors, (4152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 4152 transitions. [2022-12-13 22:10:15,504 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 4152 transitions. Word has length 119 [2022-12-13 22:10:15,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:15,505 INFO L495 AbstractCegarLoop]: Abstraction has 2923 states and 4152 transitions. [2022-12-13 22:10:15,505 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) [2022-12-13 22:10:15,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 4152 transitions. [2022-12-13 22:10:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 22:10:15,511 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:15,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:15,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 22:10:15,511 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:15,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:15,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1481188516, now seen corresponding path program 1 times [2022-12-13 22:10:15,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:15,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506670112] [2022-12-13 22:10:15,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:15,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:15,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:15,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506670112] [2022-12-13 22:10:15,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506670112] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:15,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:15,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:10:15,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615226842] [2022-12-13 22:10:15,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:15,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:10:15,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:15,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:10:15,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:10:15,667 INFO L87 Difference]: Start difference. First operand 2923 states and 4152 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) [2022-12-13 22:10:16,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:16,747 INFO L93 Difference]: Finished difference Result 5534 states and 7977 transitions. [2022-12-13 22:10:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:10:16,747 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 [2022-12-13 22:10:16,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:16,752 INFO L225 Difference]: With dead ends: 5534 [2022-12-13 22:10:16,752 INFO L226 Difference]: Without dead ends: 2811 [2022-12-13 22:10:16,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:10:16,755 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 8053 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8053 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:16,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8053 Valid, 1485 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 22:10:16,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2811 states. [2022-12-13 22:10:16,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2811 to 2811. [2022-12-13 22:10:16,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2811 states, 2774 states have (on average 1.4527757750540735) internal successors, (4030), 2810 states have internal predecessors, (4030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:16,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 4030 transitions. [2022-12-13 22:10:16,837 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 4030 transitions. Word has length 120 [2022-12-13 22:10:16,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:16,837 INFO L495 AbstractCegarLoop]: Abstraction has 2811 states and 4030 transitions. [2022-12-13 22:10:16,837 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) [2022-12-13 22:10:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 4030 transitions. [2022-12-13 22:10:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-13 22:10:16,841 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:16,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:16,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 22:10:16,841 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:16,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:16,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1088659095, now seen corresponding path program 1 times [2022-12-13 22:10:16,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:16,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529806553] [2022-12-13 22:10:16,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:16,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:16,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:16,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529806553] [2022-12-13 22:10:16,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529806553] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:16,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:16,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:10:16,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137010894] [2022-12-13 22:10:16,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:16,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:10:16,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:16,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:10:16,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:10:16,977 INFO L87 Difference]: Start difference. First operand 2811 states and 4030 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) [2022-12-13 22:10:17,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:17,905 INFO L93 Difference]: Finished difference Result 5422 states and 7853 transitions. [2022-12-13 22:10:17,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:10:17,905 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 [2022-12-13 22:10:17,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:17,910 INFO L225 Difference]: With dead ends: 5422 [2022-12-13 22:10:17,910 INFO L226 Difference]: Without dead ends: 2746 [2022-12-13 22:10:17,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:10:17,912 INFO L413 NwaCegarLoop]: 1440 mSDtfsCounter, 7869 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7869 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:17,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7869 Valid, 1452 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 22:10:17,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2022-12-13 22:10:18,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 2746. [2022-12-13 22:10:18,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2709 states have (on average 1.461424880029531) internal successors, (3959), 2745 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) [2022-12-13 22:10:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3959 transitions. [2022-12-13 22:10:18,009 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3959 transitions. Word has length 121 [2022-12-13 22:10:18,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:18,009 INFO L495 AbstractCegarLoop]: Abstraction has 2746 states and 3959 transitions. [2022-12-13 22:10:18,010 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) [2022-12-13 22:10:18,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3959 transitions. [2022-12-13 22:10:18,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 22:10:18,013 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:18,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:18,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 22:10:18,013 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:18,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:18,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1122787720, now seen corresponding path program 1 times [2022-12-13 22:10:18,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:18,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957673539] [2022-12-13 22:10:18,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:18,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:18,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:18,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957673539] [2022-12-13 22:10:18,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957673539] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:18,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:18,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:10:18,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994087648] [2022-12-13 22:10:18,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:18,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:10:18,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:18,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:10:18,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:10:18,148 INFO L87 Difference]: Start difference. First operand 2746 states and 3959 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) [2022-12-13 22:10:19,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:19,027 INFO L93 Difference]: Finished difference Result 5357 states and 7780 transitions. [2022-12-13 22:10:19,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:10:19,028 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 [2022-12-13 22:10:19,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:19,033 INFO L225 Difference]: With dead ends: 5357 [2022-12-13 22:10:19,033 INFO L226 Difference]: Without dead ends: 2715 [2022-12-13 22:10:19,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:10:19,035 INFO L413 NwaCegarLoop]: 1417 mSDtfsCounter, 7754 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7754 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:19,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7754 Valid, 1437 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 22:10:19,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2715 states. [2022-12-13 22:10:19,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2715 to 2715. [2022-12-13 22:10:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2678 states have (on average 1.4652725914861837) internal successors, (3924), 2714 states have internal predecessors, (3924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3924 transitions. [2022-12-13 22:10:19,134 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3924 transitions. Word has length 122 [2022-12-13 22:10:19,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:19,134 INFO L495 AbstractCegarLoop]: Abstraction has 2715 states and 3924 transitions. [2022-12-13 22:10:19,134 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) [2022-12-13 22:10:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3924 transitions. [2022-12-13 22:10:19,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-13 22:10:19,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:19,136 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] [2022-12-13 22:10:19,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 22:10:19,137 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:19,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:19,137 INFO L85 PathProgramCache]: Analyzing trace with hash -204963786, now seen corresponding path program 1 times [2022-12-13 22:10:19,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:19,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679133495] [2022-12-13 22:10:19,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:19,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:19,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:19,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:19,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679133495] [2022-12-13 22:10:19,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679133495] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:19,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:19,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:10:19,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93053911] [2022-12-13 22:10:19,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:19,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:10:19,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:19,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:10:19,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:10:19,268 INFO L87 Difference]: Start difference. First operand 2715 states and 3924 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) [2022-12-13 22:10:20,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:20,290 INFO L93 Difference]: Finished difference Result 5326 states and 7743 transitions. [2022-12-13 22:10:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:10:20,290 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 [2022-12-13 22:10:20,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:20,295 INFO L225 Difference]: With dead ends: 5326 [2022-12-13 22:10:20,295 INFO L226 Difference]: Without dead ends: 2704 [2022-12-13 22:10:20,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:10:20,297 INFO L413 NwaCegarLoop]: 1326 mSDtfsCounter, 7654 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7654 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:20,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7654 Valid, 1370 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 22:10:20,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2022-12-13 22:10:20,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2704. [2022-12-13 22:10:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4660667416572928) internal successors, (3910), 2703 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) [2022-12-13 22:10:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3910 transitions. [2022-12-13 22:10:20,406 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3910 transitions. Word has length 123 [2022-12-13 22:10:20,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:20,407 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3910 transitions. [2022-12-13 22:10:20,407 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) [2022-12-13 22:10:20,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3910 transitions. [2022-12-13 22:10:20,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 22:10:20,409 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:20,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:20,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 22:10:20,409 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:20,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:20,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1522376233, now seen corresponding path program 1 times [2022-12-13 22:10:20,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:20,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617911650] [2022-12-13 22:10:20,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:20,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:20,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:20,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617911650] [2022-12-13 22:10:20,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617911650] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:20,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:20,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:10:20,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5464549] [2022-12-13 22:10:20,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:20,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:10:20,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:20,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:10:20,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:10:20,900 INFO L87 Difference]: Start difference. First operand 2704 states and 3910 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:24,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:24,302 INFO L93 Difference]: Finished difference Result 5110 states and 7362 transitions. [2022-12-13 22:10:24,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 22:10:24,302 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-12-13 22:10:24,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:24,311 INFO L225 Difference]: With dead ends: 5110 [2022-12-13 22:10:24,311 INFO L226 Difference]: Without dead ends: 4808 [2022-12-13 22:10:24,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-12-13 22:10:24,312 INFO L413 NwaCegarLoop]: 1424 mSDtfsCounter, 15861 mSDsluCounter, 6203 mSDsCounter, 0 mSdLazyCounter, 6568 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15861 SdHoareTripleChecker+Valid, 7627 SdHoareTripleChecker+Invalid, 6587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:24,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15861 Valid, 7627 Invalid, 6587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6568 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 22:10:24,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4808 states. [2022-12-13 22:10:24,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4808 to 2713. [2022-12-13 22:10:24,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2713 states, 2676 states have (on average 1.4656203288490284) internal successors, (3922), 2712 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) [2022-12-13 22:10:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2713 states and 3922 transitions. [2022-12-13 22:10:24,470 INFO L78 Accepts]: Start accepts. Automaton has 2713 states and 3922 transitions. Word has length 124 [2022-12-13 22:10:24,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:24,470 INFO L495 AbstractCegarLoop]: Abstraction has 2713 states and 3922 transitions. [2022-12-13 22:10:24,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3922 transitions. [2022-12-13 22:10:24,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 22:10:24,472 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:24,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:24,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 22:10:24,472 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:24,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:24,473 INFO L85 PathProgramCache]: Analyzing trace with hash -115626613, now seen corresponding path program 1 times [2022-12-13 22:10:24,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:24,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155499139] [2022-12-13 22:10:24,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:24,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:24,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:24,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:24,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155499139] [2022-12-13 22:10:24,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155499139] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:24,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:24,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:10:24,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265070563] [2022-12-13 22:10:24,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:24,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:10:24,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:24,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:10:24,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:10:24,874 INFO L87 Difference]: Start difference. First operand 2713 states and 3922 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:28,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:28,600 INFO L93 Difference]: Finished difference Result 4685 states and 6630 transitions. [2022-12-13 22:10:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 22:10:28,600 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-12-13 22:10:28,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:28,606 INFO L225 Difference]: With dead ends: 4685 [2022-12-13 22:10:28,606 INFO L226 Difference]: Without dead ends: 4496 [2022-12-13 22:10:28,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-12-13 22:10:28,608 INFO L413 NwaCegarLoop]: 1359 mSDtfsCounter, 8643 mSDsluCounter, 6355 mSDsCounter, 0 mSdLazyCounter, 7840 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8643 SdHoareTripleChecker+Valid, 7714 SdHoareTripleChecker+Invalid, 7853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 7840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:28,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8643 Valid, 7714 Invalid, 7853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 7840 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 22:10:28,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4496 states. [2022-12-13 22:10:28,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4496 to 2735. [2022-12-13 22:10:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2735 states, 2698 states have (on average 1.4659006671608599) internal successors, (3955), 2734 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) [2022-12-13 22:10:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2735 states and 3955 transitions. [2022-12-13 22:10:28,806 INFO L78 Accepts]: Start accepts. Automaton has 2735 states and 3955 transitions. Word has length 124 [2022-12-13 22:10:28,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:28,806 INFO L495 AbstractCegarLoop]: Abstraction has 2735 states and 3955 transitions. [2022-12-13 22:10:28,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3955 transitions. [2022-12-13 22:10:28,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 22:10:28,808 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:28,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:28,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 22:10:28,808 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:28,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:28,808 INFO L85 PathProgramCache]: Analyzing trace with hash -537185860, now seen corresponding path program 1 times [2022-12-13 22:10:28,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:28,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882501429] [2022-12-13 22:10:28,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:28,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:29,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:29,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882501429] [2022-12-13 22:10:29,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882501429] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:29,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:29,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:10:29,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089193192] [2022-12-13 22:10:29,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:29,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:10:29,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:29,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:10:29,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:10:29,178 INFO L87 Difference]: Start difference. First operand 2735 states and 3955 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:32,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:32,844 INFO L93 Difference]: Finished difference Result 4991 states and 7222 transitions. [2022-12-13 22:10:32,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 22:10:32,844 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-12-13 22:10:32,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:32,849 INFO L225 Difference]: With dead ends: 4991 [2022-12-13 22:10:32,849 INFO L226 Difference]: Without dead ends: 4712 [2022-12-13 22:10:32,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-12-13 22:10:32,850 INFO L413 NwaCegarLoop]: 1483 mSDtfsCounter, 18415 mSDsluCounter, 7875 mSDsCounter, 0 mSdLazyCounter, 8113 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18415 SdHoareTripleChecker+Valid, 9358 SdHoareTripleChecker+Invalid, 8125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 8113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:32,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18415 Valid, 9358 Invalid, 8125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 8113 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 22:10:32,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4712 states. [2022-12-13 22:10:33,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4712 to 2737. [2022-12-13 22:10:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 2700 states have (on average 1.4655555555555555) internal successors, (3957), 2736 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) [2022-12-13 22:10:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3957 transitions. [2022-12-13 22:10:33,048 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3957 transitions. Word has length 124 [2022-12-13 22:10:33,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:33,048 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3957 transitions. [2022-12-13 22:10:33,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3957 transitions. [2022-12-13 22:10:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 22:10:33,050 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:33,050 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] [2022-12-13 22:10:33,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 22:10:33,050 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)] === [2022-12-13 22:10:33,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:33,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1896036516, now seen corresponding path program 1 times [2022-12-13 22:10:33,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:33,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945417745] [2022-12-13 22:10:33,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:33,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:33,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:33,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:33,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945417745] [2022-12-13 22:10:33,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945417745] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:33,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:33,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:10:33,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695579654] [2022-12-13 22:10:33,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:33,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:10:33,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:33,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:10:33,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:10:33,305 INFO L87 Difference]: Start difference. First operand 2737 states and 3957 transitions. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:36,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:36,523 INFO L93 Difference]: Finished difference Result 4979 states and 7220 transitions. [2022-12-13 22:10:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:10:36,524 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-12-13 22:10:36,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:36,528 INFO L225 Difference]: With dead ends: 4979 [2022-12-13 22:10:36,528 INFO L226 Difference]: Without dead ends: 4615 [2022-12-13 22:10:36,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:10:36,530 INFO L413 NwaCegarLoop]: 1473 mSDtfsCounter, 7497 mSDsluCounter, 4833 mSDsCounter, 0 mSdLazyCounter, 5355 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7497 SdHoareTripleChecker+Valid, 6306 SdHoareTripleChecker+Invalid, 5361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:36,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7497 Valid, 6306 Invalid, 5361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5355 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:10:36,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4615 states. [2022-12-13 22:10:36,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4615 to 2737. [2022-12-13 22:10:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 2700 states have (on average 1.4651851851851851) internal successors, (3956), 2736 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) [2022-12-13 22:10:36,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3956 transitions. [2022-12-13 22:10:36,756 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3956 transitions. Word has length 124 [2022-12-13 22:10:36,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:36,756 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3956 transitions. [2022-12-13 22:10:36,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3956 transitions. [2022-12-13 22:10:36,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 22:10:36,758 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:36,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:36,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 22:10:36,758 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:36,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:36,759 INFO L85 PathProgramCache]: Analyzing trace with hash 553304081, now seen corresponding path program 1 times [2022-12-13 22:10:36,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:36,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634505195] [2022-12-13 22:10:36,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:36,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:37,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:37,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:37,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634505195] [2022-12-13 22:10:37,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634505195] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:37,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:37,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:10:37,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444702248] [2022-12-13 22:10:37,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:37,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:10:37,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:37,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:10:37,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:10:37,041 INFO L87 Difference]: Start difference. First operand 2737 states and 3956 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) [2022-12-13 22:10:39,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:39,838 INFO L93 Difference]: Finished difference Result 4485 states and 6246 transitions. [2022-12-13 22:10:39,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 22:10:39,838 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 [2022-12-13 22:10:39,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:39,842 INFO L225 Difference]: With dead ends: 4485 [2022-12-13 22:10:39,842 INFO L226 Difference]: Without dead ends: 3399 [2022-12-13 22:10:39,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-12-13 22:10:39,844 INFO L413 NwaCegarLoop]: 1085 mSDtfsCounter, 13208 mSDsluCounter, 2200 mSDsCounter, 0 mSdLazyCounter, 4000 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13208 SdHoareTripleChecker+Valid, 3285 SdHoareTripleChecker+Invalid, 4004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:39,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13208 Valid, 3285 Invalid, 4004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4000 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:10:39,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2022-12-13 22:10:40,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 2737. [2022-12-13 22:10:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 2700 states have (on average 1.4648148148148148) internal successors, (3955), 2736 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) [2022-12-13 22:10:40,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3955 transitions. [2022-12-13 22:10:40,100 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3955 transitions. Word has length 124 [2022-12-13 22:10:40,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:40,101 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3955 transitions. [2022-12-13 22:10:40,101 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) [2022-12-13 22:10:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3955 transitions. [2022-12-13 22:10:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 22:10:40,103 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:40,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:40,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 22:10:40,103 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:40,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:40,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1000263533, now seen corresponding path program 1 times [2022-12-13 22:10:40,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:40,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315495377] [2022-12-13 22:10:40,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:40,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:40,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:40,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315495377] [2022-12-13 22:10:40,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315495377] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:40,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:40,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:10:40,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029239493] [2022-12-13 22:10:40,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:40,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:10:40,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:40,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:10:40,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:10:40,417 INFO L87 Difference]: Start difference. First operand 2737 states and 3955 transitions. Second operand has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:44,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:44,096 INFO L93 Difference]: Finished difference Result 5465 states and 7889 transitions. [2022-12-13 22:10:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 22:10:44,097 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 22:10:44,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:44,102 INFO L225 Difference]: With dead ends: 5465 [2022-12-13 22:10:44,102 INFO L226 Difference]: Without dead ends: 5063 [2022-12-13 22:10:44,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2022-12-13 22:10:44,104 INFO L413 NwaCegarLoop]: 1621 mSDtfsCounter, 12350 mSDsluCounter, 8167 mSDsCounter, 0 mSdLazyCounter, 8241 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12350 SdHoareTripleChecker+Valid, 9788 SdHoareTripleChecker+Invalid, 8254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 8241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:44,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12350 Valid, 9788 Invalid, 8254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 8241 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 22:10:44,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5063 states. [2022-12-13 22:10:44,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5063 to 2737. [2022-12-13 22:10:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 2700 states have (on average 1.4644444444444444) internal successors, (3954), 2736 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) [2022-12-13 22:10:44,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3954 transitions. [2022-12-13 22:10:44,394 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3954 transitions. Word has length 126 [2022-12-13 22:10:44,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:44,395 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3954 transitions. [2022-12-13 22:10:44,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:44,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3954 transitions. [2022-12-13 22:10:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 22:10:44,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:44,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:44,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 22:10:44,400 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:44,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:44,400 INFO L85 PathProgramCache]: Analyzing trace with hash -826398625, now seen corresponding path program 1 times [2022-12-13 22:10:44,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:44,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153556188] [2022-12-13 22:10:44,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:44,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:44,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:44,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153556188] [2022-12-13 22:10:44,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153556188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:44,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:44,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:10:44,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631756554] [2022-12-13 22:10:44,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:44,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:10:44,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:44,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:10:44,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:10:44,650 INFO L87 Difference]: Start difference. First operand 2737 states and 3954 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:47,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:47,218 INFO L93 Difference]: Finished difference Result 3763 states and 5462 transitions. [2022-12-13 22:10:47,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 22:10:47,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 22:10:47,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:47,223 INFO L225 Difference]: With dead ends: 3763 [2022-12-13 22:10:47,223 INFO L226 Difference]: Without dead ends: 3176 [2022-12-13 22:10:47,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-12-13 22:10:47,225 INFO L413 NwaCegarLoop]: 1416 mSDtfsCounter, 6961 mSDsluCounter, 5628 mSDsCounter, 0 mSdLazyCounter, 5909 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6961 SdHoareTripleChecker+Valid, 7044 SdHoareTripleChecker+Invalid, 5916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:47,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6961 Valid, 7044 Invalid, 5916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5909 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:10:47,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2022-12-13 22:10:47,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 2704. [2022-12-13 22:10:47,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4649418822647169) internal successors, (3907), 2703 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) [2022-12-13 22:10:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3907 transitions. [2022-12-13 22:10:47,508 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3907 transitions. Word has length 126 [2022-12-13 22:10:47,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:47,508 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3907 transitions. [2022-12-13 22:10:47,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:47,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3907 transitions. [2022-12-13 22:10:47,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 22:10:47,510 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:47,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:47,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 22:10:47,511 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)] === [2022-12-13 22:10:47,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:47,511 INFO L85 PathProgramCache]: Analyzing trace with hash 33266613, now seen corresponding path program 1 times [2022-12-13 22:10:47,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:47,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039674427] [2022-12-13 22:10:47,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:47,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:47,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:47,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:47,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039674427] [2022-12-13 22:10:47,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039674427] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:47,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:47,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:10:47,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834208883] [2022-12-13 22:10:47,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:47,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:10:47,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:47,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:10:47,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:10:47,734 INFO L87 Difference]: Start difference. First operand 2704 states and 3907 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:50,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:50,571 INFO L93 Difference]: Finished difference Result 4392 states and 6240 transitions. [2022-12-13 22:10:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:10:50,572 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 22:10:50,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:50,577 INFO L225 Difference]: With dead ends: 4392 [2022-12-13 22:10:50,577 INFO L226 Difference]: Without dead ends: 4206 [2022-12-13 22:10:50,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:10:50,578 INFO L413 NwaCegarLoop]: 1359 mSDtfsCounter, 10988 mSDsluCounter, 4198 mSDsCounter, 0 mSdLazyCounter, 5397 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10988 SdHoareTripleChecker+Valid, 5557 SdHoareTripleChecker+Invalid, 5403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:50,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10988 Valid, 5557 Invalid, 5403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5397 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:10:50,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4206 states. [2022-12-13 22:10:50,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4206 to 2704. [2022-12-13 22:10:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4645669291338583) internal successors, (3906), 2703 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) [2022-12-13 22:10:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3906 transitions. [2022-12-13 22:10:50,887 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3906 transitions. Word has length 126 [2022-12-13 22:10:50,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:50,887 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3906 transitions. [2022-12-13 22:10:50,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:50,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3906 transitions. [2022-12-13 22:10:50,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 22:10:50,889 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:50,889 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:50,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 22:10:50,890 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:50,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:50,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1373735587, now seen corresponding path program 1 times [2022-12-13 22:10:50,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:50,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016961050] [2022-12-13 22:10:50,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:50,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:51,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:51,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016961050] [2022-12-13 22:10:51,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016961050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:51,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:51,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:10:51,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036777020] [2022-12-13 22:10:51,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:51,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:10:51,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:51,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:10:51,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:10:51,095 INFO L87 Difference]: Start difference. First operand 2704 states and 3906 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:53,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:53,838 INFO L93 Difference]: Finished difference Result 4825 states and 6980 transitions. [2022-12-13 22:10:53,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:10:53,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 22:10:53,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:53,842 INFO L225 Difference]: With dead ends: 4825 [2022-12-13 22:10:53,842 INFO L226 Difference]: Without dead ends: 4546 [2022-12-13 22:10:53,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:10:53,843 INFO L413 NwaCegarLoop]: 1698 mSDtfsCounter, 10654 mSDsluCounter, 5329 mSDsCounter, 0 mSdLazyCounter, 6020 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10654 SdHoareTripleChecker+Valid, 7027 SdHoareTripleChecker+Invalid, 6028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 6020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:53,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10654 Valid, 7027 Invalid, 6028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 6020 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:10:53,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2022-12-13 22:10:54,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2704. [2022-12-13 22:10:54,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4641919760029996) internal successors, (3905), 2703 states have internal predecessors, (3905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:54,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3905 transitions. [2022-12-13 22:10:54,144 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3905 transitions. Word has length 126 [2022-12-13 22:10:54,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:54,145 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3905 transitions. [2022-12-13 22:10:54,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:54,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3905 transitions. [2022-12-13 22:10:54,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 22:10:54,147 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:54,147 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:54,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 22:10:54,147 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:54,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:54,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1033236109, now seen corresponding path program 1 times [2022-12-13 22:10:54,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:54,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712875412] [2022-12-13 22:10:54,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:54,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:54,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:54,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712875412] [2022-12-13 22:10:54,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712875412] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:54,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:54,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:10:54,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619224469] [2022-12-13 22:10:54,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:54,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:10:54,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:54,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:10:54,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:10:54,367 INFO L87 Difference]: Start difference. First operand 2704 states and 3905 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:57,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:57,218 INFO L93 Difference]: Finished difference Result 4984 states and 7209 transitions. [2022-12-13 22:10:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:10:57,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 22:10:57,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:57,223 INFO L225 Difference]: With dead ends: 4984 [2022-12-13 22:10:57,223 INFO L226 Difference]: Without dead ends: 4582 [2022-12-13 22:10:57,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:10:57,225 INFO L413 NwaCegarLoop]: 1881 mSDtfsCounter, 10478 mSDsluCounter, 5512 mSDsCounter, 0 mSdLazyCounter, 6263 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10478 SdHoareTripleChecker+Valid, 7393 SdHoareTripleChecker+Invalid, 6271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 6263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:57,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10478 Valid, 7393 Invalid, 6271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 6263 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:10:57,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2022-12-13 22:10:57,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 2704. [2022-12-13 22:10:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.463817022872141) internal successors, (3904), 2703 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) [2022-12-13 22:10:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3904 transitions. [2022-12-13 22:10:57,563 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3904 transitions. Word has length 126 [2022-12-13 22:10:57,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:57,564 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3904 transitions. [2022-12-13 22:10:57,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3904 transitions. [2022-12-13 22:10:57,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 22:10:57,566 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:57,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:57,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 22:10:57,566 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:10:57,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:57,566 INFO L85 PathProgramCache]: Analyzing trace with hash 2018426482, now seen corresponding path program 1 times [2022-12-13 22:10:57,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:57,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549384172] [2022-12-13 22:10:57,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:57,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:10:57,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:57,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549384172] [2022-12-13 22:10:57,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549384172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:57,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:57,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:10:57,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479621282] [2022-12-13 22:10:57,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:57,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:10:57,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:57,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:10:57,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:10:57,779 INFO L87 Difference]: Start difference. First operand 2704 states and 3904 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:01,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:01,430 INFO L93 Difference]: Finished difference Result 4825 states and 6978 transitions. [2022-12-13 22:11:01,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:01,431 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 22:11:01,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:01,435 INFO L225 Difference]: With dead ends: 4825 [2022-12-13 22:11:01,435 INFO L226 Difference]: Without dead ends: 4546 [2022-12-13 22:11:01,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:01,436 INFO L413 NwaCegarLoop]: 1795 mSDtfsCounter, 10012 mSDsluCounter, 5875 mSDsCounter, 0 mSdLazyCounter, 6535 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10012 SdHoareTripleChecker+Valid, 7670 SdHoareTripleChecker+Invalid, 6542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:01,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10012 Valid, 7670 Invalid, 6542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 6535 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 22:11:01,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2022-12-13 22:11:01,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2704. [2022-12-13 22:11:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4634420697412824) internal successors, (3903), 2703 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) [2022-12-13 22:11:01,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3903 transitions. [2022-12-13 22:11:01,765 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3903 transitions. Word has length 126 [2022-12-13 22:11:01,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:01,766 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3903 transitions. [2022-12-13 22:11:01,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:01,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3903 transitions. [2022-12-13 22:11:01,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 22:11:01,768 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:01,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:01,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 22:11:01,768 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:01,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:01,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1814493165, now seen corresponding path program 1 times [2022-12-13 22:11:01,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:01,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37469378] [2022-12-13 22:11:01,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:01,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:01,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:01,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37469378] [2022-12-13 22:11:01,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37469378] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:01,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:01,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:01,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455093589] [2022-12-13 22:11:01,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:01,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:01,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:01,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:01,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:01,993 INFO L87 Difference]: Start difference. First operand 2704 states and 3903 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:05,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:05,369 INFO L93 Difference]: Finished difference Result 4211 states and 5963 transitions. [2022-12-13 22:11:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:05,370 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 22:11:05,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:05,372 INFO L225 Difference]: With dead ends: 4211 [2022-12-13 22:11:05,372 INFO L226 Difference]: Without dead ends: 4206 [2022-12-13 22:11:05,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:05,373 INFO L413 NwaCegarLoop]: 1359 mSDtfsCounter, 10976 mSDsluCounter, 4195 mSDsCounter, 0 mSdLazyCounter, 5383 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10976 SdHoareTripleChecker+Valid, 5554 SdHoareTripleChecker+Invalid, 5389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:05,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10976 Valid, 5554 Invalid, 5389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5383 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:11:05,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4206 states. [2022-12-13 22:11:05,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4206 to 2704. [2022-12-13 22:11:05,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.462692163479565) internal successors, (3901), 2703 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) [2022-12-13 22:11:05,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3901 transitions. [2022-12-13 22:11:05,708 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3901 transitions. Word has length 126 [2022-12-13 22:11:05,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:05,708 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3901 transitions. [2022-12-13 22:11:05,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:05,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3901 transitions. [2022-12-13 22:11:05,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 22:11:05,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:05,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:05,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 22:11:05,710 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:05,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:05,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1182584093, now seen corresponding path program 1 times [2022-12-13 22:11:05,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:05,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202560818] [2022-12-13 22:11:05,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:05,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:05,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202560818] [2022-12-13 22:11:05,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202560818] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:05,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:05,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:05,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434777794] [2022-12-13 22:11:05,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:05,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:05,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:05,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:05,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:05,928 INFO L87 Difference]: Start difference. First operand 2704 states and 3901 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:09,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:09,207 INFO L93 Difference]: Finished difference Result 4930 states and 7113 transitions. [2022-12-13 22:11:09,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:09,207 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 22:11:09,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:09,211 INFO L225 Difference]: With dead ends: 4930 [2022-12-13 22:11:09,211 INFO L226 Difference]: Without dead ends: 4546 [2022-12-13 22:11:09,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:09,212 INFO L413 NwaCegarLoop]: 1795 mSDtfsCounter, 10337 mSDsluCounter, 5857 mSDsCounter, 0 mSdLazyCounter, 6509 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10337 SdHoareTripleChecker+Valid, 7652 SdHoareTripleChecker+Invalid, 6516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:09,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10337 Valid, 7652 Invalid, 6516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 6509 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 22:11:09,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2022-12-13 22:11:09,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2704. [2022-12-13 22:11:09,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4619422572178478) internal successors, (3899), 2703 states have internal predecessors, (3899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3899 transitions. [2022-12-13 22:11:09,596 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3899 transitions. Word has length 126 [2022-12-13 22:11:09,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:09,596 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3899 transitions. [2022-12-13 22:11:09,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:09,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3899 transitions. [2022-12-13 22:11:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 22:11:09,600 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:09,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:09,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 22:11:09,600 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:09,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:09,601 INFO L85 PathProgramCache]: Analyzing trace with hash -407743545, now seen corresponding path program 1 times [2022-12-13 22:11:09,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:09,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81042627] [2022-12-13 22:11:09,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:09,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:09,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:09,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:09,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81042627] [2022-12-13 22:11:09,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81042627] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:09,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:09,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:09,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260832956] [2022-12-13 22:11:09,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:09,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:09,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:09,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:09,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:09,811 INFO L87 Difference]: Start difference. First operand 2704 states and 3899 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:13,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:13,124 INFO L93 Difference]: Finished difference Result 5160 states and 7458 transitions. [2022-12-13 22:11:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:13,124 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 22:11:13,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:13,128 INFO L225 Difference]: With dead ends: 5160 [2022-12-13 22:11:13,128 INFO L226 Difference]: Without dead ends: 4582 [2022-12-13 22:11:13,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:13,129 INFO L413 NwaCegarLoop]: 1808 mSDtfsCounter, 10321 mSDsluCounter, 5781 mSDsCounter, 0 mSdLazyCounter, 6361 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10321 SdHoareTripleChecker+Valid, 7589 SdHoareTripleChecker+Invalid, 6368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:13,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10321 Valid, 7589 Invalid, 6368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 6361 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 22:11:13,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2022-12-13 22:11:13,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 2704. [2022-12-13 22:11:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4611923509561304) internal successors, (3897), 2703 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:13,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3897 transitions. [2022-12-13 22:11:13,492 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3897 transitions. Word has length 126 [2022-12-13 22:11:13,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:13,492 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3897 transitions. [2022-12-13 22:11:13,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:13,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3897 transitions. [2022-12-13 22:11:13,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 22:11:13,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:13,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:13,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 22:11:13,494 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:13,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:13,495 INFO L85 PathProgramCache]: Analyzing trace with hash -829302792, now seen corresponding path program 1 times [2022-12-13 22:11:13,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:13,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481832579] [2022-12-13 22:11:13,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:13,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:13,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:13,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481832579] [2022-12-13 22:11:13,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481832579] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:13,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:13,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:13,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095367797] [2022-12-13 22:11:13,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:13,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:13,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:13,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:13,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:13,700 INFO L87 Difference]: Start difference. First operand 2704 states and 3897 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:16,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:16,922 INFO L93 Difference]: Finished difference Result 4211 states and 5955 transitions. [2022-12-13 22:11:16,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:16,923 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 22:11:16,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:16,926 INFO L225 Difference]: With dead ends: 4211 [2022-12-13 22:11:16,926 INFO L226 Difference]: Without dead ends: 4206 [2022-12-13 22:11:16,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:16,927 INFO L413 NwaCegarLoop]: 1359 mSDtfsCounter, 11018 mSDsluCounter, 4195 mSDsCounter, 0 mSdLazyCounter, 5372 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11018 SdHoareTripleChecker+Valid, 5554 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:16,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11018 Valid, 5554 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5372 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:11:16,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4206 states. [2022-12-13 22:11:17,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4206 to 2704. [2022-12-13 22:11:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.460442444694413) internal successors, (3895), 2703 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) [2022-12-13 22:11:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3895 transitions. [2022-12-13 22:11:17,300 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3895 transitions. Word has length 126 [2022-12-13 22:11:17,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:17,301 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3895 transitions. [2022-12-13 22:11:17,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3895 transitions. [2022-12-13 22:11:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 22:11:17,303 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:17,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:17,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 22:11:17,303 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:17,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:17,303 INFO L85 PathProgramCache]: Analyzing trace with hash 987279281, now seen corresponding path program 1 times [2022-12-13 22:11:17,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:17,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037001164] [2022-12-13 22:11:17,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:17,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:17,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:17,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037001164] [2022-12-13 22:11:17,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037001164] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:17,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:17,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:17,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310614093] [2022-12-13 22:11:17,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:17,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:17,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:17,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:17,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:17,547 INFO L87 Difference]: Start difference. First operand 2704 states and 3895 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:20,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:20,353 INFO L93 Difference]: Finished difference Result 4272 states and 6164 transitions. [2022-12-13 22:11:20,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 22:11:20,354 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 22:11:20,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:20,356 INFO L225 Difference]: With dead ends: 4272 [2022-12-13 22:11:20,356 INFO L226 Difference]: Without dead ends: 3176 [2022-12-13 22:11:20,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2022-12-13 22:11:20,357 INFO L413 NwaCegarLoop]: 1577 mSDtfsCounter, 7247 mSDsluCounter, 5439 mSDsCounter, 0 mSdLazyCounter, 5863 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7247 SdHoareTripleChecker+Valid, 7016 SdHoareTripleChecker+Invalid, 5872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 5863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:20,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7247 Valid, 7016 Invalid, 5872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 5863 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:11:20,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2022-12-13 22:11:20,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 2704. [2022-12-13 22:11:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.459692538432696) internal successors, (3893), 2703 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) [2022-12-13 22:11:20,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3893 transitions. [2022-12-13 22:11:20,754 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3893 transitions. Word has length 126 [2022-12-13 22:11:20,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:20,754 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3893 transitions. [2022-12-13 22:11:20,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:20,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3893 transitions. [2022-12-13 22:11:20,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:11:20,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:20,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:20,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 22:11:20,757 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:20,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:20,758 INFO L85 PathProgramCache]: Analyzing trace with hash 681403934, now seen corresponding path program 1 times [2022-12-13 22:11:20,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:20,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448410881] [2022-12-13 22:11:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:20,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:20,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:20,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448410881] [2022-12-13 22:11:20,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448410881] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:20,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:20,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:20,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693753735] [2022-12-13 22:11:20,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:20,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:20,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:20,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:20,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:20,980 INFO L87 Difference]: Start difference. First operand 2704 states and 3893 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:24,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:24,510 INFO L93 Difference]: Finished difference Result 4810 states and 6944 transitions. [2022-12-13 22:11:24,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:24,511 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:11:24,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:24,514 INFO L225 Difference]: With dead ends: 4810 [2022-12-13 22:11:24,514 INFO L226 Difference]: Without dead ends: 4546 [2022-12-13 22:11:24,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:24,515 INFO L413 NwaCegarLoop]: 1878 mSDtfsCounter, 9415 mSDsluCounter, 6303 mSDsCounter, 0 mSdLazyCounter, 6981 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9415 SdHoareTripleChecker+Valid, 8181 SdHoareTripleChecker+Invalid, 6987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:24,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9415 Valid, 8181 Invalid, 6987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 6981 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:11:24,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2022-12-13 22:11:24,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2704. [2022-12-13 22:11:24,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4593175853018372) internal successors, (3892), 2703 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) [2022-12-13 22:11:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3892 transitions. [2022-12-13 22:11:24,910 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3892 transitions. Word has length 128 [2022-12-13 22:11:24,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:24,911 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3892 transitions. [2022-12-13 22:11:24,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3892 transitions. [2022-12-13 22:11:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:11:24,913 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:24,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:24,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 22:11:24,913 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)] === [2022-12-13 22:11:24,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:24,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1420830732, now seen corresponding path program 1 times [2022-12-13 22:11:24,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:24,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987419098] [2022-12-13 22:11:24,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:24,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:25,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:25,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:25,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987419098] [2022-12-13 22:11:25,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987419098] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:25,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:25,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:25,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522631028] [2022-12-13 22:11:25,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:25,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:25,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:25,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:25,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:25,121 INFO L87 Difference]: Start difference. First operand 2704 states and 3892 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:28,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:28,356 INFO L93 Difference]: Finished difference Result 4568 states and 6537 transitions. [2022-12-13 22:11:28,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:28,356 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:11:28,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:28,360 INFO L225 Difference]: With dead ends: 4568 [2022-12-13 22:11:28,360 INFO L226 Difference]: Without dead ends: 4378 [2022-12-13 22:11:28,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:28,361 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 7211 mSDsluCounter, 4682 mSDsCounter, 0 mSdLazyCounter, 5446 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7211 SdHoareTripleChecker+Valid, 6112 SdHoareTripleChecker+Invalid, 5452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:28,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7211 Valid, 6112 Invalid, 5452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5446 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:11:28,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2022-12-13 22:11:28,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2704. [2022-12-13 22:11:28,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4589426321709786) internal successors, (3891), 2703 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) [2022-12-13 22:11:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3891 transitions. [2022-12-13 22:11:28,791 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3891 transitions. Word has length 128 [2022-12-13 22:11:28,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:28,791 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3891 transitions. [2022-12-13 22:11:28,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:28,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3891 transitions. [2022-12-13 22:11:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:11:28,793 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:28,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:28,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 22:11:28,793 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:28,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:28,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1591777376, now seen corresponding path program 1 times [2022-12-13 22:11:28,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:28,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279466289] [2022-12-13 22:11:28,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:28,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:28,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:28,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:28,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279466289] [2022-12-13 22:11:28,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279466289] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:28,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:28,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:28,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451736324] [2022-12-13 22:11:28,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:28,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:28,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:28,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:28,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:28,993 INFO L87 Difference]: Start difference. First operand 2704 states and 3891 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:32,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:32,683 INFO L93 Difference]: Finished difference Result 4755 states and 6848 transitions. [2022-12-13 22:11:32,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:32,683 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:11:32,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:32,688 INFO L225 Difference]: With dead ends: 4755 [2022-12-13 22:11:32,688 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:11:32,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:32,690 INFO L413 NwaCegarLoop]: 1854 mSDtfsCounter, 9723 mSDsluCounter, 5949 mSDsCounter, 0 mSdLazyCounter, 6656 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9723 SdHoareTripleChecker+Valid, 7803 SdHoareTripleChecker+Invalid, 6663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:32,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9723 Valid, 7803 Invalid, 6663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 6656 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:11:32,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:11:33,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2704. [2022-12-13 22:11:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.45856767904012) internal successors, (3890), 2703 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) [2022-12-13 22:11:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3890 transitions. [2022-12-13 22:11:33,143 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3890 transitions. Word has length 128 [2022-12-13 22:11:33,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:33,143 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3890 transitions. [2022-12-13 22:11:33,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3890 transitions. [2022-12-13 22:11:33,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:11:33,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:33,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:33,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 22:11:33,145 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:33,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:33,146 INFO L85 PathProgramCache]: Analyzing trace with hash -931556890, now seen corresponding path program 1 times [2022-12-13 22:11:33,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:33,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882886907] [2022-12-13 22:11:33,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:33,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:33,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:33,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882886907] [2022-12-13 22:11:33,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882886907] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:33,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:33,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:33,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009951710] [2022-12-13 22:11:33,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:33,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:33,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:33,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:33,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:33,402 INFO L87 Difference]: Start difference. First operand 2704 states and 3890 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:36,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:36,657 INFO L93 Difference]: Finished difference Result 4570 states and 6536 transitions. [2022-12-13 22:11:36,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:36,658 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:11:36,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:36,661 INFO L225 Difference]: With dead ends: 4570 [2022-12-13 22:11:36,661 INFO L226 Difference]: Without dead ends: 4378 [2022-12-13 22:11:36,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:36,662 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 8424 mSDsluCounter, 4682 mSDsCounter, 0 mSdLazyCounter, 5437 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8424 SdHoareTripleChecker+Valid, 6112 SdHoareTripleChecker+Invalid, 5443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:36,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8424 Valid, 6112 Invalid, 5443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5437 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:11:36,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2022-12-13 22:11:37,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2704. [2022-12-13 22:11:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4581927259092613) internal successors, (3889), 2703 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) [2022-12-13 22:11:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3889 transitions. [2022-12-13 22:11:37,128 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3889 transitions. Word has length 128 [2022-12-13 22:11:37,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:37,129 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3889 transitions. [2022-12-13 22:11:37,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3889 transitions. [2022-12-13 22:11:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:11:37,130 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:37,130 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] [2022-12-13 22:11:37,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 22:11:37,131 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:37,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:37,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1604231275, now seen corresponding path program 1 times [2022-12-13 22:11:37,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:37,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049364276] [2022-12-13 22:11:37,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:37,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:37,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:37,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:37,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049364276] [2022-12-13 22:11:37,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049364276] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:37,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:37,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:37,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714166627] [2022-12-13 22:11:37,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:37,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:37,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:37,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:37,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:37,345 INFO L87 Difference]: Start difference. First operand 2704 states and 3889 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:40,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:40,720 INFO L93 Difference]: Finished difference Result 4574 states and 6538 transitions. [2022-12-13 22:11:40,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:40,721 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:11:40,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:40,724 INFO L225 Difference]: With dead ends: 4574 [2022-12-13 22:11:40,724 INFO L226 Difference]: Without dead ends: 4378 [2022-12-13 22:11:40,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:40,725 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 10929 mSDsluCounter, 4677 mSDsCounter, 0 mSdLazyCounter, 5431 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10929 SdHoareTripleChecker+Valid, 6107 SdHoareTripleChecker+Invalid, 5438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:40,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10929 Valid, 6107 Invalid, 5438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5431 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:11:40,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2022-12-13 22:11:41,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2704. [2022-12-13 22:11:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4578177727784027) internal successors, (3888), 2703 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) [2022-12-13 22:11:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3888 transitions. [2022-12-13 22:11:41,193 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3888 transitions. Word has length 128 [2022-12-13 22:11:41,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:41,193 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3888 transitions. [2022-12-13 22:11:41,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3888 transitions. [2022-12-13 22:11:41,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:11:41,195 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:41,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:41,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-13 22:11:41,196 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:41,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:41,196 INFO L85 PathProgramCache]: Analyzing trace with hash -943249158, now seen corresponding path program 1 times [2022-12-13 22:11:41,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:41,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86204562] [2022-12-13 22:11:41,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:41,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:41,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:41,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:41,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86204562] [2022-12-13 22:11:41,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86204562] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:41,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:41,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:41,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353302810] [2022-12-13 22:11:41,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:41,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:41,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:41,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:41,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:41,396 INFO L87 Difference]: Start difference. First operand 2704 states and 3888 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:44,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:44,788 INFO L93 Difference]: Finished difference Result 4570 states and 6532 transitions. [2022-12-13 22:11:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:44,789 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:11:44,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:44,792 INFO L225 Difference]: With dead ends: 4570 [2022-12-13 22:11:44,792 INFO L226 Difference]: Without dead ends: 4378 [2022-12-13 22:11:44,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:44,793 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 7201 mSDsluCounter, 4681 mSDsCounter, 0 mSdLazyCounter, 5428 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7201 SdHoareTripleChecker+Valid, 6111 SdHoareTripleChecker+Invalid, 5434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:44,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7201 Valid, 6111 Invalid, 5434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5428 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:11:44,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2022-12-13 22:11:45,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2704. [2022-12-13 22:11:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.457442819647544) internal successors, (3887), 2703 states have internal predecessors, (3887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3887 transitions. [2022-12-13 22:11:45,270 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3887 transitions. Word has length 128 [2022-12-13 22:11:45,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:45,270 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3887 transitions. [2022-12-13 22:11:45,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3887 transitions. [2022-12-13 22:11:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:11:45,272 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:45,272 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] [2022-12-13 22:11:45,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-13 22:11:45,272 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:45,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:45,272 INFO L85 PathProgramCache]: Analyzing trace with hash -337041358, now seen corresponding path program 1 times [2022-12-13 22:11:45,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:45,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538820671] [2022-12-13 22:11:45,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:45,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:45,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:45,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538820671] [2022-12-13 22:11:45,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538820671] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:45,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:45,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:45,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237924185] [2022-12-13 22:11:45,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:45,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:45,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:45,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:45,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:45,478 INFO L87 Difference]: Start difference. First operand 2704 states and 3887 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:48,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:48,762 INFO L93 Difference]: Finished difference Result 4395 states and 6218 transitions. [2022-12-13 22:11:48,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:48,762 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:11:48,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:48,767 INFO L225 Difference]: With dead ends: 4395 [2022-12-13 22:11:48,767 INFO L226 Difference]: Without dead ends: 4206 [2022-12-13 22:11:48,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:48,768 INFO L413 NwaCegarLoop]: 1384 mSDtfsCounter, 7466 mSDsluCounter, 4269 mSDsCounter, 0 mSdLazyCounter, 5426 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7466 SdHoareTripleChecker+Valid, 5653 SdHoareTripleChecker+Invalid, 5432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:48,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7466 Valid, 5653 Invalid, 5432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5426 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:11:48,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4206 states. [2022-12-13 22:11:49,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4206 to 2704. [2022-12-13 22:11:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4570678665166854) internal successors, (3886), 2703 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) [2022-12-13 22:11:49,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3886 transitions. [2022-12-13 22:11:49,270 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3886 transitions. Word has length 128 [2022-12-13 22:11:49,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:49,270 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3886 transitions. [2022-12-13 22:11:49,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:49,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3886 transitions. [2022-12-13 22:11:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:11:49,272 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:49,272 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] [2022-12-13 22:11:49,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-13 22:11:49,272 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:49,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:49,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1226086168, now seen corresponding path program 1 times [2022-12-13 22:11:49,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:49,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302784112] [2022-12-13 22:11:49,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:49,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:49,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:49,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302784112] [2022-12-13 22:11:49,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302784112] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:49,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:49,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:49,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516370821] [2022-12-13 22:11:49,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:49,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:49,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:49,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:49,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:49,519 INFO L87 Difference]: Start difference. First operand 2704 states and 3886 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:54,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:54,375 INFO L93 Difference]: Finished difference Result 4848 states and 6974 transitions. [2022-12-13 22:11:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:54,375 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:11:54,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:54,379 INFO L225 Difference]: With dead ends: 4848 [2022-12-13 22:11:54,379 INFO L226 Difference]: Without dead ends: 4546 [2022-12-13 22:11:54,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:54,380 INFO L413 NwaCegarLoop]: 2027 mSDtfsCounter, 9477 mSDsluCounter, 6242 mSDsCounter, 0 mSdLazyCounter, 7037 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9477 SdHoareTripleChecker+Valid, 8269 SdHoareTripleChecker+Invalid, 7045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 7037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:54,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9477 Valid, 8269 Invalid, 7045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 7037 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 22:11:54,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2022-12-13 22:11:54,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2704. [2022-12-13 22:11:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4566929133858268) internal successors, (3885), 2703 states have internal predecessors, (3885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:54,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3885 transitions. [2022-12-13 22:11:54,881 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3885 transitions. Word has length 128 [2022-12-13 22:11:54,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:54,881 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3885 transitions. [2022-12-13 22:11:54,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3885 transitions. [2022-12-13 22:11:54,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:11:54,883 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:54,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:54,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-13 22:11:54,883 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:54,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:54,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1069708262, now seen corresponding path program 1 times [2022-12-13 22:11:54,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:54,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580675214] [2022-12-13 22:11:54,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:54,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:55,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:55,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580675214] [2022-12-13 22:11:55,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580675214] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:55,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:55,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:55,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127219922] [2022-12-13 22:11:55,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:55,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:55,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:55,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:55,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:55,091 INFO L87 Difference]: Start difference. First operand 2704 states and 3885 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:59,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:59,258 INFO L93 Difference]: Finished difference Result 4574 states and 6531 transitions. [2022-12-13 22:11:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:11:59,259 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:11:59,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:59,262 INFO L225 Difference]: With dead ends: 4574 [2022-12-13 22:11:59,262 INFO L226 Difference]: Without dead ends: 4378 [2022-12-13 22:11:59,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:11:59,263 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 7203 mSDsluCounter, 4677 mSDsCounter, 0 mSdLazyCounter, 5413 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7203 SdHoareTripleChecker+Valid, 6107 SdHoareTripleChecker+Invalid, 5419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:59,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7203 Valid, 6107 Invalid, 5419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5413 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:11:59,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2022-12-13 22:11:59,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2704. [2022-12-13 22:11:59,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.456317960254968) internal successors, (3884), 2703 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) [2022-12-13 22:11:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3884 transitions. [2022-12-13 22:11:59,772 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3884 transitions. Word has length 128 [2022-12-13 22:11:59,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:59,773 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3884 transitions. [2022-12-13 22:11:59,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:11:59,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3884 transitions. [2022-12-13 22:11:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:11:59,774 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:59,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:11:59,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-13 22:11:59,775 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:11:59,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:59,775 INFO L85 PathProgramCache]: Analyzing trace with hash 883623581, now seen corresponding path program 1 times [2022-12-13 22:11:59,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:59,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794341772] [2022-12-13 22:11:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:11:59,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:59,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794341772] [2022-12-13 22:11:59,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794341772] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:59,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:59,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:11:59,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855350392] [2022-12-13 22:11:59,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:59,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:11:59,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:59,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:11:59,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:59,982 INFO L87 Difference]: Start difference. First operand 2704 states and 3884 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:04,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:04,084 INFO L93 Difference]: Finished difference Result 4798 states and 6900 transitions. [2022-12-13 22:12:04,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:12:04,085 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:12:04,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:04,088 INFO L225 Difference]: With dead ends: 4798 [2022-12-13 22:12:04,088 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:12:04,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:12:04,089 INFO L413 NwaCegarLoop]: 1813 mSDtfsCounter, 10022 mSDsluCounter, 6008 mSDsCounter, 0 mSdLazyCounter, 6581 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10022 SdHoareTripleChecker+Valid, 7821 SdHoareTripleChecker+Invalid, 6588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:04,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10022 Valid, 7821 Invalid, 6588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 6581 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 22:12:04,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:12:04,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2704. [2022-12-13 22:12:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.455568053993251) internal successors, (3882), 2703 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) [2022-12-13 22:12:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3882 transitions. [2022-12-13 22:12:04,610 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3882 transitions. Word has length 128 [2022-12-13 22:12:04,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:04,610 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3882 transitions. [2022-12-13 22:12:04,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:04,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3882 transitions. [2022-12-13 22:12:04,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:12:04,612 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:04,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:04,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-13 22:12:04,612 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:12:04,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:04,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1591765089, now seen corresponding path program 1 times [2022-12-13 22:12:04,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:04,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410749480] [2022-12-13 22:12:04,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:04,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:04,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:04,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410749480] [2022-12-13 22:12:04,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410749480] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:04,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:04,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:12:04,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799870262] [2022-12-13 22:12:04,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:04,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:12:04,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:04,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:12:04,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:12:04,839 INFO L87 Difference]: Start difference. First operand 2704 states and 3882 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:08,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:08,917 INFO L93 Difference]: Finished difference Result 4914 states and 7076 transitions. [2022-12-13 22:12:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:12:08,917 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:12:08,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:08,921 INFO L225 Difference]: With dead ends: 4914 [2022-12-13 22:12:08,921 INFO L226 Difference]: Without dead ends: 4546 [2022-12-13 22:12:08,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-12-13 22:12:08,922 INFO L413 NwaCegarLoop]: 1895 mSDtfsCounter, 13063 mSDsluCounter, 6208 mSDsCounter, 0 mSdLazyCounter, 6825 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13063 SdHoareTripleChecker+Valid, 8103 SdHoareTripleChecker+Invalid, 6833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 6825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:08,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13063 Valid, 8103 Invalid, 6833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 6825 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:12:08,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2022-12-13 22:12:09,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2704. [2022-12-13 22:12:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4548181477315336) internal successors, (3880), 2703 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:12:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3880 transitions. [2022-12-13 22:12:09,464 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3880 transitions. Word has length 128 [2022-12-13 22:12:09,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:09,464 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3880 transitions. [2022-12-13 22:12:09,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:09,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3880 transitions. [2022-12-13 22:12:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:12:09,466 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:09,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:09,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-13 22:12:09,466 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)] === [2022-12-13 22:12:09,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:09,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1715317699, now seen corresponding path program 1 times [2022-12-13 22:12:09,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:09,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819053894] [2022-12-13 22:12:09,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:09,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:09,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:09,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:09,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819053894] [2022-12-13 22:12:09,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819053894] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:09,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:09,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:12:09,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537970621] [2022-12-13 22:12:09,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:09,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:12:09,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:09,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:12:09,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:12:09,666 INFO L87 Difference]: Start difference. First operand 2704 states and 3880 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:12,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:12,860 INFO L93 Difference]: Finished difference Result 4578 states and 6532 transitions. [2022-12-13 22:12:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:12:12,860 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:12:12,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:12,864 INFO L225 Difference]: With dead ends: 4578 [2022-12-13 22:12:12,864 INFO L226 Difference]: Without dead ends: 4378 [2022-12-13 22:12:12,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:12:12,865 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 7183 mSDsluCounter, 4682 mSDsCounter, 0 mSdLazyCounter, 5403 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7183 SdHoareTripleChecker+Valid, 6112 SdHoareTripleChecker+Invalid, 5409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:12,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7183 Valid, 6112 Invalid, 5409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5403 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 22:12:12,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2022-12-13 22:12:13,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2704. [2022-12-13 22:12:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4540682414698163) internal successors, (3878), 2703 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) [2022-12-13 22:12:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3878 transitions. [2022-12-13 22:12:13,419 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3878 transitions. Word has length 128 [2022-12-13 22:12:13,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:13,419 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3878 transitions. [2022-12-13 22:12:13,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:13,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3878 transitions. [2022-12-13 22:12:13,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:12:13,421 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:13,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:13,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-13 22:12:13,421 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:12:13,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:13,421 INFO L85 PathProgramCache]: Analyzing trace with hash 295990348, now seen corresponding path program 1 times [2022-12-13 22:12:13,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:13,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315935661] [2022-12-13 22:12:13,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:13,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:13,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:13,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:13,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315935661] [2022-12-13 22:12:13,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315935661] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:13,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:13,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:12:13,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402259799] [2022-12-13 22:12:13,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:13,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:12:13,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:13,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:12:13,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:12:13,644 INFO L87 Difference]: Start difference. First operand 2704 states and 3878 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:16,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:16,952 INFO L93 Difference]: Finished difference Result 4580 states and 6529 transitions. [2022-12-13 22:12:16,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:12:16,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:12:16,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:16,957 INFO L225 Difference]: With dead ends: 4580 [2022-12-13 22:12:16,957 INFO L226 Difference]: Without dead ends: 4378 [2022-12-13 22:12:16,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:12:16,958 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 10834 mSDsluCounter, 4679 mSDsCounter, 0 mSdLazyCounter, 5396 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10834 SdHoareTripleChecker+Valid, 6109 SdHoareTripleChecker+Invalid, 5402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:16,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10834 Valid, 6109 Invalid, 5402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5396 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:12:16,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2022-12-13 22:12:17,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2704. [2022-12-13 22:12:17,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.453318335208099) internal successors, (3876), 2703 states have internal predecessors, (3876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:12:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3876 transitions. [2022-12-13 22:12:17,518 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3876 transitions. Word has length 128 [2022-12-13 22:12:17,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:17,519 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3876 transitions. [2022-12-13 22:12:17,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:17,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3876 transitions. [2022-12-13 22:12:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:12:17,520 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:17,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:17,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-13 22:12:17,521 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:12:17,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:17,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1590504953, now seen corresponding path program 1 times [2022-12-13 22:12:17,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:17,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364872552] [2022-12-13 22:12:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:17,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:17,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:17,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364872552] [2022-12-13 22:12:17,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364872552] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:17,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:17,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:12:17,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102528949] [2022-12-13 22:12:17,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:17,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:12:17,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:17,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:12:17,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:12:17,731 INFO L87 Difference]: Start difference. First operand 2704 states and 3876 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:21,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:21,347 INFO L93 Difference]: Finished difference Result 5250 states and 7538 transitions. [2022-12-13 22:12:21,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:12:21,348 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:12:21,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:21,351 INFO L225 Difference]: With dead ends: 5250 [2022-12-13 22:12:21,351 INFO L226 Difference]: Without dead ends: 4582 [2022-12-13 22:12:21,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:12:21,352 INFO L413 NwaCegarLoop]: 2209 mSDtfsCounter, 6385 mSDsluCounter, 6444 mSDsCounter, 0 mSdLazyCounter, 7117 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6385 SdHoareTripleChecker+Valid, 8653 SdHoareTripleChecker+Invalid, 7124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:21,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6385 Valid, 8653 Invalid, 7124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7117 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:12:21,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2022-12-13 22:12:21,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 2704. [2022-12-13 22:12:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4525684289463816) internal successors, (3874), 2703 states have internal predecessors, (3874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:12:21,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3874 transitions. [2022-12-13 22:12:21,928 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3874 transitions. Word has length 128 [2022-12-13 22:12:21,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:21,928 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3874 transitions. [2022-12-13 22:12:21,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:21,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3874 transitions. [2022-12-13 22:12:21,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:12:21,930 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:21,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:21,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-13 22:12:21,930 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:12:21,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:21,931 INFO L85 PathProgramCache]: Analyzing trace with hash -649704393, now seen corresponding path program 1 times [2022-12-13 22:12:21,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:21,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057587481] [2022-12-13 22:12:21,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:21,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:22,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:22,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:22,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057587481] [2022-12-13 22:12:22,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057587481] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:22,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:22,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:12:22,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80909734] [2022-12-13 22:12:22,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:22,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:12:22,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:22,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:12:22,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:12:22,152 INFO L87 Difference]: Start difference. First operand 2704 states and 3874 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:26,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:26,698 INFO L93 Difference]: Finished difference Result 4584 states and 6529 transitions. [2022-12-13 22:12:26,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:12:26,699 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:12:26,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:26,702 INFO L225 Difference]: With dead ends: 4584 [2022-12-13 22:12:26,702 INFO L226 Difference]: Without dead ends: 4378 [2022-12-13 22:12:26,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:12:26,703 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 14525 mSDsluCounter, 4677 mSDsCounter, 0 mSdLazyCounter, 5389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14525 SdHoareTripleChecker+Valid, 6107 SdHoareTripleChecker+Invalid, 5396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:26,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14525 Valid, 6107 Invalid, 5396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5389 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:12:26,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2022-12-13 22:12:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2704. [2022-12-13 22:12:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4518185226846645) internal successors, (3872), 2703 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:12:27,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3872 transitions. [2022-12-13 22:12:27,288 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3872 transitions. Word has length 128 [2022-12-13 22:12:27,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:27,288 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3872 transitions. [2022-12-13 22:12:27,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:27,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3872 transitions. [2022-12-13 22:12:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:12:27,290 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:27,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:27,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-13 22:12:27,290 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:12:27,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:27,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1947594431, now seen corresponding path program 1 times [2022-12-13 22:12:27,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:27,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382654211] [2022-12-13 22:12:27,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:27,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:27,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:27,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:27,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382654211] [2022-12-13 22:12:27,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382654211] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:27,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:27,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:12:27,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305906139] [2022-12-13 22:12:27,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:27,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:12:27,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:27,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:12:27,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:12:27,500 INFO L87 Difference]: Start difference. First operand 2704 states and 3872 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:31,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:31,310 INFO L93 Difference]: Finished difference Result 4950 states and 7106 transitions. [2022-12-13 22:12:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:12:31,311 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:12:31,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:31,314 INFO L225 Difference]: With dead ends: 4950 [2022-12-13 22:12:31,314 INFO L226 Difference]: Without dead ends: 4546 [2022-12-13 22:12:31,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:12:31,315 INFO L413 NwaCegarLoop]: 2108 mSDtfsCounter, 6231 mSDsluCounter, 6812 mSDsCounter, 0 mSdLazyCounter, 7389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6231 SdHoareTripleChecker+Valid, 8920 SdHoareTripleChecker+Invalid, 7396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:31,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6231 Valid, 8920 Invalid, 7396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7389 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 22:12:31,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2022-12-13 22:12:31,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2704. [2022-12-13 22:12:31,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4510686164229472) internal successors, (3870), 2703 states have internal predecessors, (3870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:12:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3870 transitions. [2022-12-13 22:12:31,930 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3870 transitions. Word has length 128 [2022-12-13 22:12:31,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:31,930 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3870 transitions. [2022-12-13 22:12:31,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3870 transitions. [2022-12-13 22:12:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 22:12:31,932 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:31,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:31,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-13 22:12:31,932 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:12:31,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:31,932 INFO L85 PathProgramCache]: Analyzing trace with hash 757045227, now seen corresponding path program 1 times [2022-12-13 22:12:31,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:31,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095236270] [2022-12-13 22:12:31,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:31,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:32,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:32,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095236270] [2022-12-13 22:12:32,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095236270] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:32,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:32,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:12:32,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680231212] [2022-12-13 22:12:32,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:32,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:12:32,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:32,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:12:32,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:12:32,136 INFO L87 Difference]: Start difference. First operand 2704 states and 3870 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:36,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:36,885 INFO L93 Difference]: Finished difference Result 4802 states and 6890 transitions. [2022-12-13 22:12:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:12:36,886 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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 [2022-12-13 22:12:36,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:36,889 INFO L225 Difference]: With dead ends: 4802 [2022-12-13 22:12:36,889 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:12:36,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:12:36,890 INFO L413 NwaCegarLoop]: 2093 mSDtfsCounter, 8662 mSDsluCounter, 6809 mSDsCounter, 0 mSdLazyCounter, 7505 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8662 SdHoareTripleChecker+Valid, 8902 SdHoareTripleChecker+Invalid, 7511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:36,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8662 Valid, 8902 Invalid, 7511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7505 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 22:12:36,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:12:37,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2704. [2022-12-13 22:12:37,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4503187101612298) internal successors, (3868), 2703 states have internal predecessors, (3868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:12:37,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3868 transitions. [2022-12-13 22:12:37,502 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3868 transitions. Word has length 128 [2022-12-13 22:12:37,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:37,502 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3868 transitions. [2022-12-13 22:12:37,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 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) [2022-12-13 22:12:37,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3868 transitions. [2022-12-13 22:12:37,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:12:37,504 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:37,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:37,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-12-13 22:12:37,505 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:12:37,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:37,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1772568616, now seen corresponding path program 1 times [2022-12-13 22:12:37,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:37,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026914130] [2022-12-13 22:12:37,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:37,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:37,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:37,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:37,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026914130] [2022-12-13 22:12:37,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026914130] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:37,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:37,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:12:37,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227909173] [2022-12-13 22:12:37,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:37,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:12:37,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:37,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:12:37,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:12:37,724 INFO L87 Difference]: Start difference. First operand 2704 states and 3868 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:12:41,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:41,819 INFO L93 Difference]: Finished difference Result 4568 states and 6501 transitions. [2022-12-13 22:12:41,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:12:41,820 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:12:41,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:41,823 INFO L225 Difference]: With dead ends: 4568 [2022-12-13 22:12:41,823 INFO L226 Difference]: Without dead ends: 4378 [2022-12-13 22:12:41,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:12:41,824 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 7160 mSDsluCounter, 4682 mSDsCounter, 0 mSdLazyCounter, 5381 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7160 SdHoareTripleChecker+Valid, 6112 SdHoareTripleChecker+Invalid, 5387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:41,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7160 Valid, 6112 Invalid, 5387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5381 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 22:12:41,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2022-12-13 22:12:42,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2704. [2022-12-13 22:12:42,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4499437570303713) internal successors, (3867), 2703 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) [2022-12-13 22:12:42,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3867 transitions. [2022-12-13 22:12:42,440 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3867 transitions. Word has length 130 [2022-12-13 22:12:42,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:42,440 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3867 transitions. [2022-12-13 22:12:42,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:12:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3867 transitions. [2022-12-13 22:12:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:12:42,442 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:42,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:42,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-13 22:12:42,442 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)] === [2022-12-13 22:12:42,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:42,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1325529909, now seen corresponding path program 1 times [2022-12-13 22:12:42,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:42,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950078109] [2022-12-13 22:12:42,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:42,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:42,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:42,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:42,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950078109] [2022-12-13 22:12:42,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950078109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:42,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:42,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:12:42,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101112513] [2022-12-13 22:12:42,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:42,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:12:42,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:42,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:12:42,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:12:42,664 INFO L87 Difference]: Start difference. First operand 2704 states and 3867 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:12:47,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:47,292 INFO L93 Difference]: Finished difference Result 4568 states and 6499 transitions. [2022-12-13 22:12:47,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:12:47,292 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:12:47,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:47,295 INFO L225 Difference]: With dead ends: 4568 [2022-12-13 22:12:47,296 INFO L226 Difference]: Without dead ends: 4378 [2022-12-13 22:12:47,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:12:47,297 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 10829 mSDsluCounter, 4685 mSDsCounter, 0 mSdLazyCounter, 5374 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10829 SdHoareTripleChecker+Valid, 6115 SdHoareTripleChecker+Invalid, 5381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:47,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10829 Valid, 6115 Invalid, 5381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5374 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:12:47,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2022-12-13 22:12:47,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2704. [2022-12-13 22:12:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4495688038995125) internal successors, (3866), 2703 states have internal predecessors, (3866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:12:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3866 transitions. [2022-12-13 22:12:47,934 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3866 transitions. Word has length 130 [2022-12-13 22:12:47,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:47,934 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3866 transitions. [2022-12-13 22:12:47,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:12:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3866 transitions. [2022-12-13 22:12:47,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:12:47,936 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:47,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:47,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-12-13 22:12:47,936 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:12:47,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:47,937 INFO L85 PathProgramCache]: Analyzing trace with hash 482117909, now seen corresponding path program 1 times [2022-12-13 22:12:47,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:47,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902065305] [2022-12-13 22:12:47,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:47,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:48,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:48,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902065305] [2022-12-13 22:12:48,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902065305] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:48,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:48,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:12:48,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645668056] [2022-12-13 22:12:48,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:48,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:12:48,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:48,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:12:48,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:12:48,303 INFO L87 Difference]: Start difference. First operand 2704 states and 3866 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 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) [2022-12-13 22:12:55,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:55,900 INFO L93 Difference]: Finished difference Result 6140 states and 8865 transitions. [2022-12-13 22:12:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:12:55,900 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 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 [2022-12-13 22:12:55,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:55,905 INFO L225 Difference]: With dead ends: 6140 [2022-12-13 22:12:55,905 INFO L226 Difference]: Without dead ends: 5915 [2022-12-13 22:12:55,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 22:12:55,906 INFO L413 NwaCegarLoop]: 2196 mSDtfsCounter, 19262 mSDsluCounter, 8283 mSDsCounter, 0 mSdLazyCounter, 8920 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19262 SdHoareTripleChecker+Valid, 10479 SdHoareTripleChecker+Invalid, 9390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 8920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:55,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19262 Valid, 10479 Invalid, 9390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [470 Valid, 8920 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-13 22:12:55,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5915 states. [2022-12-13 22:12:56,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5915 to 2708. [2022-12-13 22:12:56,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2708 states, 2671 states have (on average 1.4488955447397978) internal successors, (3870), 2707 states have internal predecessors, (3870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:12:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3870 transitions. [2022-12-13 22:12:56,611 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3870 transitions. Word has length 130 [2022-12-13 22:12:56,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:56,611 INFO L495 AbstractCegarLoop]: Abstraction has 2708 states and 3870 transitions. [2022-12-13 22:12:56,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 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) [2022-12-13 22:12:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3870 transitions. [2022-12-13 22:12:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:12:56,613 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:56,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:56,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-13 22:12:56,613 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)] === [2022-12-13 22:12:56,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:56,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1400633873, now seen corresponding path program 1 times [2022-12-13 22:12:56,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:56,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264941966] [2022-12-13 22:12:56,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:56,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:56,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:56,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:56,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264941966] [2022-12-13 22:12:56,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264941966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:56,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:56,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:12:56,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116179144] [2022-12-13 22:12:56,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:56,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:12:56,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:56,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:12:56,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:12:56,828 INFO L87 Difference]: Start difference. First operand 2708 states and 3870 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:01,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:13:01,824 INFO L93 Difference]: Finished difference Result 4740 states and 6795 transitions. [2022-12-13 22:13:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:13:01,824 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:13:01,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:13:01,828 INFO L225 Difference]: With dead ends: 4740 [2022-12-13 22:13:01,828 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:13:01,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:13:01,828 INFO L413 NwaCegarLoop]: 2044 mSDtfsCounter, 8707 mSDsluCounter, 6702 mSDsCounter, 0 mSdLazyCounter, 7371 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8707 SdHoareTripleChecker+Valid, 8746 SdHoareTripleChecker+Invalid, 7376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:13:01,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8707 Valid, 8746 Invalid, 7376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7371 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 22:13:01,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:13:02,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2708. [2022-12-13 22:13:02,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2708 states, 2671 states have (on average 1.44852115312617) internal successors, (3869), 2707 states have internal predecessors, (3869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:13:02,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3869 transitions. [2022-12-13 22:13:02,536 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3869 transitions. Word has length 130 [2022-12-13 22:13:02,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:13:02,537 INFO L495 AbstractCegarLoop]: Abstraction has 2708 states and 3869 transitions. [2022-12-13 22:13:02,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:02,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3869 transitions. [2022-12-13 22:13:02,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:13:02,538 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:13:02,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:13:02,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-13 22:13:02,539 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)] === [2022-12-13 22:13:02,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:13:02,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1004203123, now seen corresponding path program 1 times [2022-12-13 22:13:02,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:13:02,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643164362] [2022-12-13 22:13:02,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:02,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:13:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:02,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:02,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:13:02,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643164362] [2022-12-13 22:13:02,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643164362] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:13:02,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:13:02,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:13:02,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871743962] [2022-12-13 22:13:02,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:13:02,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:13:02,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:13:02,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:13:02,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:13:02,780 INFO L87 Difference]: Start difference. First operand 2708 states and 3869 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:07,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:13:07,252 INFO L93 Difference]: Finished difference Result 4681 states and 6693 transitions. [2022-12-13 22:13:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:13:07,252 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:13:07,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:13:07,255 INFO L225 Difference]: With dead ends: 4681 [2022-12-13 22:13:07,255 INFO L226 Difference]: Without dead ends: 4478 [2022-12-13 22:13:07,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:13:07,256 INFO L413 NwaCegarLoop]: 1598 mSDtfsCounter, 11847 mSDsluCounter, 6906 mSDsCounter, 0 mSdLazyCounter, 7192 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11847 SdHoareTripleChecker+Valid, 8504 SdHoareTripleChecker+Invalid, 7199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:13:07,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11847 Valid, 8504 Invalid, 7199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7192 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 22:13:07,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4478 states. [2022-12-13 22:13:08,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4478 to 2708. [2022-12-13 22:13:08,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2708 states, 2671 states have (on average 1.448146761512542) internal successors, (3868), 2707 states have internal predecessors, (3868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:13:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3868 transitions. [2022-12-13 22:13:08,036 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3868 transitions. Word has length 130 [2022-12-13 22:13:08,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:13:08,036 INFO L495 AbstractCegarLoop]: Abstraction has 2708 states and 3868 transitions. [2022-12-13 22:13:08,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3868 transitions. [2022-12-13 22:13:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:13:08,038 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:13:08,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:13:08,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-12-13 22:13:08,038 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:13:08,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:13:08,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1677688633, now seen corresponding path program 1 times [2022-12-13 22:13:08,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:13:08,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094603931] [2022-12-13 22:13:08,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:08,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:13:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:08,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:13:08,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094603931] [2022-12-13 22:13:08,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094603931] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:13:08,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:13:08,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:13:08,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577934287] [2022-12-13 22:13:08,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:13:08,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:13:08,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:13:08,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:13:08,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:13:08,273 INFO L87 Difference]: Start difference. First operand 2708 states and 3868 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:13,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:13:13,416 INFO L93 Difference]: Finished difference Result 4687 states and 6697 transitions. [2022-12-13 22:13:13,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:13:13,417 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:13:13,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:13:13,420 INFO L225 Difference]: With dead ends: 4687 [2022-12-13 22:13:13,420 INFO L226 Difference]: Without dead ends: 4478 [2022-12-13 22:13:13,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:13:13,421 INFO L413 NwaCegarLoop]: 1676 mSDtfsCounter, 9176 mSDsluCounter, 7019 mSDsCounter, 0 mSdLazyCounter, 7334 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9176 SdHoareTripleChecker+Valid, 8695 SdHoareTripleChecker+Invalid, 7340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:13:13,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9176 Valid, 8695 Invalid, 7340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7334 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 22:13:13,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4478 states. [2022-12-13 22:13:14,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4478 to 2708. [2022-12-13 22:13:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2708 states, 2671 states have (on average 1.4477723698989142) internal successors, (3867), 2707 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) [2022-12-13 22:13:14,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3867 transitions. [2022-12-13 22:13:14,162 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3867 transitions. Word has length 130 [2022-12-13 22:13:14,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:13:14,163 INFO L495 AbstractCegarLoop]: Abstraction has 2708 states and 3867 transitions. [2022-12-13 22:13:14,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3867 transitions. [2022-12-13 22:13:14,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:13:14,164 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:13:14,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:13:14,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-12-13 22:13:14,165 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)] === [2022-12-13 22:13:14,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:13:14,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1493970645, now seen corresponding path program 1 times [2022-12-13 22:13:14,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:13:14,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121393917] [2022-12-13 22:13:14,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:14,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:13:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:14,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:13:14,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121393917] [2022-12-13 22:13:14,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121393917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:13:14,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:13:14,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:13:14,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167887887] [2022-12-13 22:13:14,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:13:14,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:13:14,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:13:14,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:13:14,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:13:14,404 INFO L87 Difference]: Start difference. First operand 2708 states and 3867 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:18,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:13:18,889 INFO L93 Difference]: Finished difference Result 4679 states and 6688 transitions. [2022-12-13 22:13:18,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:13:18,890 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:13:18,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:13:18,893 INFO L225 Difference]: With dead ends: 4679 [2022-12-13 22:13:18,893 INFO L226 Difference]: Without dead ends: 4478 [2022-12-13 22:13:18,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:13:18,894 INFO L413 NwaCegarLoop]: 1598 mSDtfsCounter, 11830 mSDsluCounter, 6910 mSDsCounter, 0 mSdLazyCounter, 7183 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11830 SdHoareTripleChecker+Valid, 8508 SdHoareTripleChecker+Invalid, 7190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:13:18,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11830 Valid, 8508 Invalid, 7190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7183 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 22:13:18,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4478 states. [2022-12-13 22:13:19,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4478 to 2708. [2022-12-13 22:13:19,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2708 states, 2671 states have (on average 1.4473979782852864) internal successors, (3866), 2707 states have internal predecessors, (3866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:13:19,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3866 transitions. [2022-12-13 22:13:19,646 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3866 transitions. Word has length 130 [2022-12-13 22:13:19,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:13:19,646 INFO L495 AbstractCegarLoop]: Abstraction has 2708 states and 3866 transitions. [2022-12-13 22:13:19,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:19,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3866 transitions. [2022-12-13 22:13:19,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:13:19,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:13:19,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:13:19,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-12-13 22:13:19,648 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:13:19,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:13:19,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1046931938, now seen corresponding path program 1 times [2022-12-13 22:13:19,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:13:19,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599470086] [2022-12-13 22:13:19,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:19,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:13:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:19,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:19,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:13:19,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599470086] [2022-12-13 22:13:19,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599470086] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:13:19,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:13:19,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:13:19,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612454913] [2022-12-13 22:13:19,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:13:19,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:13:19,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:13:19,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:13:19,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:13:19,856 INFO L87 Difference]: Start difference. First operand 2708 states and 3866 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:23,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:13:23,940 INFO L93 Difference]: Finished difference Result 4747 states and 6799 transitions. [2022-12-13 22:13:23,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:13:23,941 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:13:23,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:13:23,944 INFO L225 Difference]: With dead ends: 4747 [2022-12-13 22:13:23,944 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:13:23,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:13:23,945 INFO L413 NwaCegarLoop]: 2052 mSDtfsCounter, 11528 mSDsluCounter, 6697 mSDsCounter, 0 mSdLazyCounter, 7349 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11528 SdHoareTripleChecker+Valid, 8749 SdHoareTripleChecker+Invalid, 7355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:13:23,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11528 Valid, 8749 Invalid, 7355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7349 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 22:13:23,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:13:24,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2708. [2022-12-13 22:13:24,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2708 states, 2671 states have (on average 1.4470235866716585) internal successors, (3865), 2707 states have internal predecessors, (3865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:13:24,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3865 transitions. [2022-12-13 22:13:24,713 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3865 transitions. Word has length 130 [2022-12-13 22:13:24,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:13:24,713 INFO L495 AbstractCegarLoop]: Abstraction has 2708 states and 3865 transitions. [2022-12-13 22:13:24,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:24,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3865 transitions. [2022-12-13 22:13:24,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:13:24,715 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:13:24,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:13:24,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-12-13 22:13:24,715 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)] === [2022-12-13 22:13:24,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:13:24,716 INFO L85 PathProgramCache]: Analyzing trace with hash -794902595, now seen corresponding path program 1 times [2022-12-13 22:13:24,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:13:24,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711520785] [2022-12-13 22:13:24,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:24,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:13:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:24,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:24,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:13:24,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711520785] [2022-12-13 22:13:24,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711520785] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:13:24,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:13:24,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:13:24,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912150205] [2022-12-13 22:13:24,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:13:24,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:13:24,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:13:24,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:13:24,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:13:24,931 INFO L87 Difference]: Start difference. First operand 2708 states and 3865 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:29,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:13:29,555 INFO L93 Difference]: Finished difference Result 4396 states and 6192 transitions. [2022-12-13 22:13:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:13:29,555 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:13:29,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:13:29,558 INFO L225 Difference]: With dead ends: 4396 [2022-12-13 22:13:29,558 INFO L226 Difference]: Without dead ends: 4210 [2022-12-13 22:13:29,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:13:29,559 INFO L413 NwaCegarLoop]: 1479 mSDtfsCounter, 10417 mSDsluCounter, 4562 mSDsCounter, 0 mSdLazyCounter, 5715 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10417 SdHoareTripleChecker+Valid, 6041 SdHoareTripleChecker+Invalid, 5721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:13:29,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10417 Valid, 6041 Invalid, 5721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5715 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:13:29,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4210 states. [2022-12-13 22:13:30,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4210 to 2708. [2022-12-13 22:13:30,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2708 states, 2671 states have (on average 1.4466491950580307) internal successors, (3864), 2707 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:13:30,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3864 transitions. [2022-12-13 22:13:30,345 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3864 transitions. Word has length 130 [2022-12-13 22:13:30,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:13:30,345 INFO L495 AbstractCegarLoop]: Abstraction has 2708 states and 3864 transitions. [2022-12-13 22:13:30,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3864 transitions. [2022-12-13 22:13:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:13:30,347 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:13:30,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:13:30,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-12-13 22:13:30,347 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:13:30,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:13:30,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2056814519, now seen corresponding path program 1 times [2022-12-13 22:13:30,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:13:30,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372146403] [2022-12-13 22:13:30,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:30,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:13:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:30,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:13:30,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372146403] [2022-12-13 22:13:30,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372146403] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:13:30,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:13:30,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:13:30,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350864097] [2022-12-13 22:13:30,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:13:30,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:13:30,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:13:30,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:13:30,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:13:30,701 INFO L87 Difference]: Start difference. First operand 2708 states and 3864 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 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) [2022-12-13 22:13:39,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:13:39,742 INFO L93 Difference]: Finished difference Result 6156 states and 8871 transitions. [2022-12-13 22:13:39,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:13:39,742 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 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 [2022-12-13 22:13:39,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:13:39,747 INFO L225 Difference]: With dead ends: 6156 [2022-12-13 22:13:39,747 INFO L226 Difference]: Without dead ends: 5923 [2022-12-13 22:13:39,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 22:13:39,748 INFO L413 NwaCegarLoop]: 2170 mSDtfsCounter, 16983 mSDsluCounter, 8056 mSDsCounter, 0 mSdLazyCounter, 8615 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16983 SdHoareTripleChecker+Valid, 10226 SdHoareTripleChecker+Invalid, 9098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 8615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:13:39,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16983 Valid, 10226 Invalid, 9098 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [483 Valid, 8615 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-13 22:13:39,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5923 states. [2022-12-13 22:13:40,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5923 to 2712. [2022-12-13 22:13:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.445981308411215) internal successors, (3868), 2711 states have internal predecessors, (3868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:13:40,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3868 transitions. [2022-12-13 22:13:40,551 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3868 transitions. Word has length 130 [2022-12-13 22:13:40,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:13:40,551 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3868 transitions. [2022-12-13 22:13:40,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 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) [2022-12-13 22:13:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3868 transitions. [2022-12-13 22:13:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:13:40,553 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:13:40,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:13:40,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-12-13 22:13:40,553 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)] === [2022-12-13 22:13:40,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:13:40,553 INFO L85 PathProgramCache]: Analyzing trace with hash -86761087, now seen corresponding path program 1 times [2022-12-13 22:13:40,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:13:40,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305656312] [2022-12-13 22:13:40,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:40,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:13:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:40,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:13:40,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305656312] [2022-12-13 22:13:40,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305656312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:13:40,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:13:40,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:13:40,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324071054] [2022-12-13 22:13:40,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:13:40,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:13:40,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:13:40,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:13:40,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:13:40,756 INFO L87 Difference]: Start difference. First operand 2712 states and 3868 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:45,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:13:45,549 INFO L93 Difference]: Finished difference Result 4400 states and 6195 transitions. [2022-12-13 22:13:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:13:45,549 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:13:45,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:13:45,552 INFO L225 Difference]: With dead ends: 4400 [2022-12-13 22:13:45,552 INFO L226 Difference]: Without dead ends: 4214 [2022-12-13 22:13:45,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:13:45,553 INFO L413 NwaCegarLoop]: 1483 mSDtfsCounter, 7201 mSDsluCounter, 4570 mSDsCounter, 0 mSdLazyCounter, 5714 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7201 SdHoareTripleChecker+Valid, 6053 SdHoareTripleChecker+Invalid, 5719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 5714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:13:45,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7201 Valid, 6053 Invalid, 5719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 5714 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:13:45,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-12-13 22:13:46,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2712. [2022-12-13 22:13:46,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.445607476635514) internal successors, (3867), 2711 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) [2022-12-13 22:13:46,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3867 transitions. [2022-12-13 22:13:46,359 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3867 transitions. Word has length 130 [2022-12-13 22:13:46,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:13:46,359 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3867 transitions. [2022-12-13 22:13:46,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3867 transitions. [2022-12-13 22:13:46,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:13:46,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:13:46,360 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] [2022-12-13 22:13:46,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-12-13 22:13:46,361 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:13:46,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:13:46,361 INFO L85 PathProgramCache]: Analyzing trace with hash -641149672, now seen corresponding path program 1 times [2022-12-13 22:13:46,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:13:46,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788502838] [2022-12-13 22:13:46,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:46,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:13:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:46,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:46,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:13:46,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788502838] [2022-12-13 22:13:46,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788502838] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:13:46,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:13:46,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:13:46,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049335604] [2022-12-13 22:13:46,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:13:46,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:13:46,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:13:46,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:13:46,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:13:46,561 INFO L87 Difference]: Start difference. First operand 2712 states and 3867 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:51,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:13:51,284 INFO L93 Difference]: Finished difference Result 4400 states and 6193 transitions. [2022-12-13 22:13:51,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:13:51,284 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:13:51,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:13:51,287 INFO L225 Difference]: With dead ends: 4400 [2022-12-13 22:13:51,287 INFO L226 Difference]: Without dead ends: 4214 [2022-12-13 22:13:51,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:13:51,288 INFO L413 NwaCegarLoop]: 1496 mSDtfsCounter, 10449 mSDsluCounter, 4528 mSDsCounter, 0 mSdLazyCounter, 5683 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10449 SdHoareTripleChecker+Valid, 6024 SdHoareTripleChecker+Invalid, 5689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:13:51,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10449 Valid, 6024 Invalid, 5689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5683 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:13:51,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-12-13 22:13:52,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2712. [2022-12-13 22:13:52,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.445233644859813) internal successors, (3866), 2711 states have internal predecessors, (3866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:13:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3866 transitions. [2022-12-13 22:13:52,115 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3866 transitions. Word has length 130 [2022-12-13 22:13:52,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:13:52,115 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3866 transitions. [2022-12-13 22:13:52,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:52,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3866 transitions. [2022-12-13 22:13:52,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:13:52,117 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:13:52,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:13:52,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-12-13 22:13:52,117 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:13:52,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:13:52,117 INFO L85 PathProgramCache]: Analyzing trace with hash -948826908, now seen corresponding path program 1 times [2022-12-13 22:13:52,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:13:52,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106092182] [2022-12-13 22:13:52,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:52,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:13:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:52,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:13:52,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106092182] [2022-12-13 22:13:52,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106092182] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:13:52,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:13:52,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:13:52,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227628342] [2022-12-13 22:13:52,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:13:52,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:13:52,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:13:52,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:13:52,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:13:52,312 INFO L87 Difference]: Start difference. First operand 2712 states and 3866 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:56,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:13:56,902 INFO L93 Difference]: Finished difference Result 4770 states and 6815 transitions. [2022-12-13 22:13:56,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:13:56,903 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:13:56,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:13:56,906 INFO L225 Difference]: With dead ends: 4770 [2022-12-13 22:13:56,906 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:13:56,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:13:56,907 INFO L413 NwaCegarLoop]: 2028 mSDtfsCounter, 9010 mSDsluCounter, 6431 mSDsCounter, 0 mSdLazyCounter, 7096 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9010 SdHoareTripleChecker+Valid, 8459 SdHoareTripleChecker+Invalid, 7103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:13:56,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9010 Valid, 8459 Invalid, 7103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7096 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:13:56,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:13:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2712. [2022-12-13 22:13:57,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4448598130841122) internal successors, (3865), 2711 states have internal predecessors, (3865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:13:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3865 transitions. [2022-12-13 22:13:57,736 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3865 transitions. Word has length 130 [2022-12-13 22:13:57,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:13:57,736 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3865 transitions. [2022-12-13 22:13:57,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:13:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3865 transitions. [2022-12-13 22:13:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:13:57,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:13:57,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:13:57,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-12-13 22:13:57,738 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:13:57,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:13:57,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1179085933, now seen corresponding path program 1 times [2022-12-13 22:13:57,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:13:57,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256692058] [2022-12-13 22:13:57,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:57,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:13:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:57,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:13:57,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256692058] [2022-12-13 22:13:57,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256692058] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:13:57,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:13:57,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:13:57,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784174485] [2022-12-13 22:13:57,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:13:57,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:13:57,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:13:57,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:13:57,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:13:57,959 INFO L87 Difference]: Start difference. First operand 2712 states and 3865 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:02,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:02,442 INFO L93 Difference]: Finished difference Result 4400 states and 6190 transitions. [2022-12-13 22:14:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:14:02,442 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:14:02,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:02,445 INFO L225 Difference]: With dead ends: 4400 [2022-12-13 22:14:02,445 INFO L226 Difference]: Without dead ends: 4214 [2022-12-13 22:14:02,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:14:02,446 INFO L413 NwaCegarLoop]: 1424 mSDtfsCounter, 7314 mSDsluCounter, 4392 mSDsCounter, 0 mSdLazyCounter, 5476 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7314 SdHoareTripleChecker+Valid, 5816 SdHoareTripleChecker+Invalid, 5482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:02,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7314 Valid, 5816 Invalid, 5482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5476 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:14:02,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-12-13 22:14:03,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2712. [2022-12-13 22:14:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4444859813084112) internal successors, (3864), 2711 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:14:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3864 transitions. [2022-12-13 22:14:03,293 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3864 transitions. Word has length 130 [2022-12-13 22:14:03,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:03,293 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3864 transitions. [2022-12-13 22:14:03,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:03,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3864 transitions. [2022-12-13 22:14:03,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:14:03,295 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:03,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:03,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-12-13 22:14:03,295 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:14:03,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:03,296 INFO L85 PathProgramCache]: Analyzing trace with hash 470944425, now seen corresponding path program 1 times [2022-12-13 22:14:03,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:03,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54826172] [2022-12-13 22:14:03,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:03,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:14:03,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:03,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54826172] [2022-12-13 22:14:03,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54826172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:03,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:03,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:14:03,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588974804] [2022-12-13 22:14:03,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:03,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:14:03,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:03,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:14:03,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:14:03,503 INFO L87 Difference]: Start difference. First operand 2712 states and 3864 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:08,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:08,355 INFO L93 Difference]: Finished difference Result 4400 states and 6188 transitions. [2022-12-13 22:14:08,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:14:08,356 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:14:08,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:08,358 INFO L225 Difference]: With dead ends: 4400 [2022-12-13 22:14:08,358 INFO L226 Difference]: Without dead ends: 4214 [2022-12-13 22:14:08,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:14:08,359 INFO L413 NwaCegarLoop]: 1479 mSDtfsCounter, 10397 mSDsluCounter, 4562 mSDsCounter, 0 mSdLazyCounter, 5689 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10397 SdHoareTripleChecker+Valid, 6041 SdHoareTripleChecker+Invalid, 5695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:08,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10397 Valid, 6041 Invalid, 5695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5689 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 22:14:08,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-12-13 22:14:09,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2712. [2022-12-13 22:14:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4441121495327103) internal successors, (3863), 2711 states have internal predecessors, (3863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:14:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3863 transitions. [2022-12-13 22:14:09,232 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3863 transitions. Word has length 130 [2022-12-13 22:14:09,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:09,232 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3863 transitions. [2022-12-13 22:14:09,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3863 transitions. [2022-12-13 22:14:09,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:14:09,234 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:09,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:09,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-12-13 22:14:09,234 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:14:09,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:09,234 INFO L85 PathProgramCache]: Analyzing trace with hash -791375622, now seen corresponding path program 1 times [2022-12-13 22:14:09,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:09,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964859587] [2022-12-13 22:14:09,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:09,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:14:09,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:09,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964859587] [2022-12-13 22:14:09,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964859587] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:09,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:09,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:14:09,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762129064] [2022-12-13 22:14:09,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:09,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:14:09,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:09,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:14:09,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:14:09,450 INFO L87 Difference]: Start difference. First operand 2712 states and 3863 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:14,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:14,713 INFO L93 Difference]: Finished difference Result 4755 states and 6795 transitions. [2022-12-13 22:14:14,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:14:14,714 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:14:14,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:14,717 INFO L225 Difference]: With dead ends: 4755 [2022-12-13 22:14:14,717 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:14:14,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:14:14,718 INFO L413 NwaCegarLoop]: 2014 mSDtfsCounter, 6004 mSDsluCounter, 6572 mSDsCounter, 0 mSdLazyCounter, 7175 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6004 SdHoareTripleChecker+Valid, 8586 SdHoareTripleChecker+Invalid, 7180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:14,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6004 Valid, 8586 Invalid, 7180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7175 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:14:14,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:14:15,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2712. [2022-12-13 22:14:15,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4437383177570093) internal successors, (3862), 2711 states have internal predecessors, (3862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:14:15,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3862 transitions. [2022-12-13 22:14:15,580 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3862 transitions. Word has length 130 [2022-12-13 22:14:15,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:15,580 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3862 transitions. [2022-12-13 22:14:15,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:15,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3862 transitions. [2022-12-13 22:14:15,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:14:15,582 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:15,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:15,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-12-13 22:14:15,582 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)] === [2022-12-13 22:14:15,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:15,582 INFO L85 PathProgramCache]: Analyzing trace with hash -598738012, now seen corresponding path program 1 times [2022-12-13 22:14:15,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:15,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403202023] [2022-12-13 22:14:15,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:15,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:14:15,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:15,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403202023] [2022-12-13 22:14:15,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403202023] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:15,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:15,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:14:15,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034960328] [2022-12-13 22:14:15,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:15,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:14:15,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:15,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:14:15,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:14:15,789 INFO L87 Difference]: Start difference. First operand 2712 states and 3862 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:19,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:19,993 INFO L93 Difference]: Finished difference Result 4402 states and 6188 transitions. [2022-12-13 22:14:19,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:14:19,994 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:14:19,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:19,996 INFO L225 Difference]: With dead ends: 4402 [2022-12-13 22:14:19,997 INFO L226 Difference]: Without dead ends: 4214 [2022-12-13 22:14:19,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:14:19,997 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 11657 mSDsluCounter, 4396 mSDsCounter, 0 mSdLazyCounter, 5459 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11657 SdHoareTripleChecker+Valid, 5821 SdHoareTripleChecker+Invalid, 5466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:19,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11657 Valid, 5821 Invalid, 5466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5459 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:14:19,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-12-13 22:14:20,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2712. [2022-12-13 22:14:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4429906542056075) internal successors, (3860), 2711 states have internal predecessors, (3860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:14:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3860 transitions. [2022-12-13 22:14:20,887 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3860 transitions. Word has length 130 [2022-12-13 22:14:20,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:20,887 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3860 transitions. [2022-12-13 22:14:20,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3860 transitions. [2022-12-13 22:14:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:14:20,889 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:20,889 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:20,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-12-13 22:14:20,889 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:14:20,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2018237894, now seen corresponding path program 1 times [2022-12-13 22:14:20,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:20,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927563094] [2022-12-13 22:14:20,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:20,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:14:21,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:21,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927563094] [2022-12-13 22:14:21,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927563094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:21,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:21,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:14:21,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004443375] [2022-12-13 22:14:21,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:21,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:14:21,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:21,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:14:21,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:14:21,126 INFO L87 Difference]: Start difference. First operand 2712 states and 3860 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:26,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:26,850 INFO L93 Difference]: Finished difference Result 4700 states and 6704 transitions. [2022-12-13 22:14:26,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:14:26,850 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:14:26,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:26,853 INFO L225 Difference]: With dead ends: 4700 [2022-12-13 22:14:26,853 INFO L226 Difference]: Without dead ends: 4482 [2022-12-13 22:14:26,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:14:26,854 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 11568 mSDsluCounter, 7267 mSDsCounter, 0 mSdLazyCounter, 7510 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11568 SdHoareTripleChecker+Valid, 8984 SdHoareTripleChecker+Invalid, 7517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:26,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11568 Valid, 8984 Invalid, 7517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7510 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 22:14:26,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2022-12-13 22:14:27,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 2712. [2022-12-13 22:14:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4422429906542056) internal successors, (3858), 2711 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:14:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3858 transitions. [2022-12-13 22:14:27,750 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3858 transitions. Word has length 130 [2022-12-13 22:14:27,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:27,750 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3858 transitions. [2022-12-13 22:14:27,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:27,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3858 transitions. [2022-12-13 22:14:27,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:14:27,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:27,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:27,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-12-13 22:14:27,752 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:14:27,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:27,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1829690695, now seen corresponding path program 1 times [2022-12-13 22:14:27,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:27,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568182253] [2022-12-13 22:14:27,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:27,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:28,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:14:28,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:28,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568182253] [2022-12-13 22:14:28,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568182253] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:28,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:28,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:14:28,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680658585] [2022-12-13 22:14:28,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:28,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:14:28,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:28,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:14:28,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:14:28,017 INFO L87 Difference]: Start difference. First operand 2712 states and 3858 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:33,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:33,203 INFO L93 Difference]: Finished difference Result 4788 states and 6842 transitions. [2022-12-13 22:14:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:14:33,204 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:14:33,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:33,207 INFO L225 Difference]: With dead ends: 4788 [2022-12-13 22:14:33,207 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:14:33,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:14:33,208 INFO L413 NwaCegarLoop]: 1955 mSDtfsCounter, 11180 mSDsluCounter, 8056 mSDsCounter, 0 mSdLazyCounter, 8269 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11180 SdHoareTripleChecker+Valid, 10011 SdHoareTripleChecker+Invalid, 8276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:33,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11180 Valid, 10011 Invalid, 8276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8269 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 22:14:33,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:14:34,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2712. [2022-12-13 22:14:34,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4414953271028037) internal successors, (3856), 2711 states have internal predecessors, (3856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:14:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3856 transitions. [2022-12-13 22:14:34,113 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3856 transitions. Word has length 130 [2022-12-13 22:14:34,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:34,113 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3856 transitions. [2022-12-13 22:14:34,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3856 transitions. [2022-12-13 22:14:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:14:34,115 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:34,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:34,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-12-13 22:14:34,115 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:14:34,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:34,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1871298434, now seen corresponding path program 1 times [2022-12-13 22:14:34,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:34,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775078417] [2022-12-13 22:14:34,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:34,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:34,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:14:34,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:34,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775078417] [2022-12-13 22:14:34,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775078417] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:34,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:34,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:14:34,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273860977] [2022-12-13 22:14:34,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:34,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:14:34,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:34,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:14:34,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:14:34,315 INFO L87 Difference]: Start difference. First operand 2712 states and 3856 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:38,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:38,954 INFO L93 Difference]: Finished difference Result 4804 states and 6851 transitions. [2022-12-13 22:14:38,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:14:38,955 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:14:38,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:38,958 INFO L225 Difference]: With dead ends: 4804 [2022-12-13 22:14:38,958 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:14:38,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:14:38,959 INFO L413 NwaCegarLoop]: 2028 mSDtfsCounter, 5991 mSDsluCounter, 6445 mSDsCounter, 0 mSdLazyCounter, 7048 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5991 SdHoareTripleChecker+Valid, 8473 SdHoareTripleChecker+Invalid, 7054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:38,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5991 Valid, 8473 Invalid, 7054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7048 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:14:38,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:14:39,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2712. [2022-12-13 22:14:39,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4407476635514018) internal successors, (3854), 2711 states have internal predecessors, (3854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:14:39,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3854 transitions. [2022-12-13 22:14:39,883 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3854 transitions. Word has length 130 [2022-12-13 22:14:39,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:39,883 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3854 transitions. [2022-12-13 22:14:39,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3854 transitions. [2022-12-13 22:14:39,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:14:39,885 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:39,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:39,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-12-13 22:14:39,885 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:14:39,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:39,886 INFO L85 PathProgramCache]: Analyzing trace with hash 667109008, now seen corresponding path program 1 times [2022-12-13 22:14:39,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:39,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121168121] [2022-12-13 22:14:39,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:39,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:14:40,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:40,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121168121] [2022-12-13 22:14:40,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121168121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:40,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:40,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:14:40,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113789995] [2022-12-13 22:14:40,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:40,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:14:40,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:40,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:14:40,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:14:40,088 INFO L87 Difference]: Start difference. First operand 2712 states and 3854 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:44,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:44,779 INFO L93 Difference]: Finished difference Result 4402 states and 6178 transitions. [2022-12-13 22:14:44,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:14:44,780 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:14:44,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:44,783 INFO L225 Difference]: With dead ends: 4402 [2022-12-13 22:14:44,783 INFO L226 Difference]: Without dead ends: 4214 [2022-12-13 22:14:44,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:14:44,784 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 10556 mSDsluCounter, 4396 mSDsCounter, 0 mSdLazyCounter, 5445 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10556 SdHoareTripleChecker+Valid, 5821 SdHoareTripleChecker+Invalid, 5451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:44,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10556 Valid, 5821 Invalid, 5451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5445 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:14:44,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-12-13 22:14:45,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2712. [2022-12-13 22:14:45,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.44) internal successors, (3852), 2711 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:14:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3852 transitions. [2022-12-13 22:14:45,713 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3852 transitions. Word has length 130 [2022-12-13 22:14:45,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:45,714 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3852 transitions. [2022-12-13 22:14:45,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3852 transitions. [2022-12-13 22:14:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:14:45,715 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:45,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:45,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-12-13 22:14:45,715 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)] === [2022-12-13 22:14:45,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:45,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1672889582, now seen corresponding path program 1 times [2022-12-13 22:14:45,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:45,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066334217] [2022-12-13 22:14:45,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:45,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:14:45,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:45,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066334217] [2022-12-13 22:14:45,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066334217] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:45,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:45,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:14:45,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642363758] [2022-12-13 22:14:45,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:45,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:14:45,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:45,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:14:45,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:14:45,955 INFO L87 Difference]: Start difference. First operand 2712 states and 3852 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:51,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:51,356 INFO L93 Difference]: Finished difference Result 4798 states and 6843 transitions. [2022-12-13 22:14:51,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:14:51,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:14:51,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:51,360 INFO L225 Difference]: With dead ends: 4798 [2022-12-13 22:14:51,360 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:14:51,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:14:51,361 INFO L413 NwaCegarLoop]: 2014 mSDtfsCounter, 11074 mSDsluCounter, 8224 mSDsCounter, 0 mSdLazyCounter, 8447 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11074 SdHoareTripleChecker+Valid, 10238 SdHoareTripleChecker+Invalid, 8453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:51,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11074 Valid, 10238 Invalid, 8453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8447 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 22:14:51,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:14:52,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2712. [2022-12-13 22:14:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.439252336448598) internal successors, (3850), 2711 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:14:52,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3850 transitions. [2022-12-13 22:14:52,302 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3850 transitions. Word has length 130 [2022-12-13 22:14:52,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:52,302 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3850 transitions. [2022-12-13 22:14:52,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:52,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3850 transitions. [2022-12-13 22:14:52,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:14:52,304 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:52,304 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] [2022-12-13 22:14:52,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-12-13 22:14:52,304 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:14:52,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:52,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1179219811, now seen corresponding path program 1 times [2022-12-13 22:14:52,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:52,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941412384] [2022-12-13 22:14:52,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:52,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:14:52,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:52,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941412384] [2022-12-13 22:14:52,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941412384] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:52,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:52,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:14:52,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273512504] [2022-12-13 22:14:52,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:52,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:14:52,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:52,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:14:52,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:14:52,495 INFO L87 Difference]: Start difference. First operand 2712 states and 3850 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:57,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:57,899 INFO L93 Difference]: Finished difference Result 4820 states and 6868 transitions. [2022-12-13 22:14:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:14:57,899 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:14:57,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:57,902 INFO L225 Difference]: With dead ends: 4820 [2022-12-13 22:14:57,902 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:14:57,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:14:57,903 INFO L413 NwaCegarLoop]: 2028 mSDtfsCounter, 11917 mSDsluCounter, 6431 mSDsCounter, 0 mSdLazyCounter, 7037 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11917 SdHoareTripleChecker+Valid, 8459 SdHoareTripleChecker+Invalid, 7044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:57,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11917 Valid, 8459 Invalid, 7044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7037 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:14:57,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:14:59,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2712. [2022-12-13 22:14:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4385046728971962) internal successors, (3848), 2711 states have internal predecessors, (3848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:14:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3848 transitions. [2022-12-13 22:14:59,153 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3848 transitions. Word has length 130 [2022-12-13 22:14:59,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:59,153 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3848 transitions. [2022-12-13 22:14:59,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:14:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3848 transitions. [2022-12-13 22:14:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:14:59,155 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:59,155 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, 1, 1, 1, 1] [2022-12-13 22:14:59,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-12-13 22:14:59,156 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:14:59,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:59,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1360075373, now seen corresponding path program 1 times [2022-12-13 22:14:59,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:59,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88419641] [2022-12-13 22:14:59,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:59,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:14:59,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:59,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88419641] [2022-12-13 22:14:59,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88419641] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:59,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:59,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:14:59,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732498382] [2022-12-13 22:14:59,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:59,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:14:59,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:59,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:14:59,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:14:59,375 INFO L87 Difference]: Start difference. First operand 2712 states and 3848 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:15:04,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:15:04,109 INFO L93 Difference]: Finished difference Result 4402 states and 6170 transitions. [2022-12-13 22:15:04,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:15:04,109 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:15:04,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:15:04,112 INFO L225 Difference]: With dead ends: 4402 [2022-12-13 22:15:04,112 INFO L226 Difference]: Without dead ends: 4214 [2022-12-13 22:15:04,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:15:04,113 INFO L413 NwaCegarLoop]: 1424 mSDtfsCounter, 11625 mSDsluCounter, 4392 mSDsCounter, 0 mSdLazyCounter, 5439 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11625 SdHoareTripleChecker+Valid, 5816 SdHoareTripleChecker+Invalid, 5446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:15:04,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11625 Valid, 5816 Invalid, 5446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5439 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 22:15:04,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-12-13 22:15:05,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2712. [2022-12-13 22:15:05,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4377570093457943) internal successors, (3846), 2711 states have internal predecessors, (3846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:15:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3846 transitions. [2022-12-13 22:15:05,466 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3846 transitions. Word has length 130 [2022-12-13 22:15:05,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:15:05,466 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3846 transitions. [2022-12-13 22:15:05,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:15:05,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3846 transitions. [2022-12-13 22:15:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:15:05,469 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:15:05,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:15:05,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-12-13 22:15:05,469 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:15:05,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:15:05,470 INFO L85 PathProgramCache]: Analyzing trace with hash -256707036, now seen corresponding path program 1 times [2022-12-13 22:15:05,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:15:05,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493784976] [2022-12-13 22:15:05,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:15:05,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:15:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:15:05,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:15:05,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:15:05,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493784976] [2022-12-13 22:15:05,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493784976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:15:05,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:15:05,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:15:05,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894881808] [2022-12-13 22:15:05,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:15:05,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:15:05,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:15:05,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:15:05,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:15:05,763 INFO L87 Difference]: Start difference. First operand 2712 states and 3846 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:15:10,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:15:10,547 INFO L93 Difference]: Finished difference Result 4406 states and 6171 transitions. [2022-12-13 22:15:10,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:15:10,547 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:15:10,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:15:10,550 INFO L225 Difference]: With dead ends: 4406 [2022-12-13 22:15:10,550 INFO L226 Difference]: Without dead ends: 4214 [2022-12-13 22:15:10,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:15:10,551 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 7289 mSDsluCounter, 4392 mSDsCounter, 0 mSdLazyCounter, 5429 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7289 SdHoareTripleChecker+Valid, 5817 SdHoareTripleChecker+Invalid, 5435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:15:10,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7289 Valid, 5817 Invalid, 5435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5429 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 22:15:10,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-12-13 22:15:11,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2712. [2022-12-13 22:15:11,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4370093457943924) internal successors, (3844), 2711 states have internal predecessors, (3844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:15:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3844 transitions. [2022-12-13 22:15:11,521 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3844 transitions. Word has length 130 [2022-12-13 22:15:11,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:15:11,522 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3844 transitions. [2022-12-13 22:15:11,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:15:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3844 transitions. [2022-12-13 22:15:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:15:11,523 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:15:11,523 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:15:11,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-12-13 22:15:11,524 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:15:11,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:15:11,524 INFO L85 PathProgramCache]: Analyzing trace with hash -449558476, now seen corresponding path program 1 times [2022-12-13 22:15:11,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:15:11,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431952186] [2022-12-13 22:15:11,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:15:11,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:15:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:15:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:15:11,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:15:11,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431952186] [2022-12-13 22:15:11,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431952186] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:15:11,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:15:11,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:15:11,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662839123] [2022-12-13 22:15:11,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:15:11,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:15:11,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:15:11,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:15:11,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:15:11,756 INFO L87 Difference]: Start difference. First operand 2712 states and 3844 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:15:16,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:15:16,968 INFO L93 Difference]: Finished difference Result 4714 states and 6701 transitions. [2022-12-13 22:15:16,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:15:16,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:15:16,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:15:16,971 INFO L225 Difference]: With dead ends: 4714 [2022-12-13 22:15:16,972 INFO L226 Difference]: Without dead ends: 4482 [2022-12-13 22:15:16,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:15:16,972 INFO L413 NwaCegarLoop]: 1879 mSDtfsCounter, 8734 mSDsluCounter, 6951 mSDsCounter, 0 mSdLazyCounter, 7341 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8734 SdHoareTripleChecker+Valid, 8830 SdHoareTripleChecker+Invalid, 7347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:15:16,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8734 Valid, 8830 Invalid, 7347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7341 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 22:15:16,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2022-12-13 22:15:17,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 2712. [2022-12-13 22:15:17,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4362616822429906) internal successors, (3842), 2711 states have internal predecessors, (3842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:15:17,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3842 transitions. [2022-12-13 22:15:17,959 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3842 transitions. Word has length 130 [2022-12-13 22:15:17,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:15:17,959 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3842 transitions. [2022-12-13 22:15:17,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:15:17,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3842 transitions. [2022-12-13 22:15:17,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:15:17,961 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:15:17,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:15:17,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-12-13 22:15:17,961 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:15:17,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:15:17,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1747448514, now seen corresponding path program 1 times [2022-12-13 22:15:17,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:15:17,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028836730] [2022-12-13 22:15:17,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:15:17,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:15:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:15:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:15:18,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:15:18,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028836730] [2022-12-13 22:15:18,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028836730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:15:18,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:15:18,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:15:18,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572045624] [2022-12-13 22:15:18,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:15:18,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:15:18,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:15:18,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:15:18,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:15:18,219 INFO L87 Difference]: Start difference. First operand 2712 states and 3842 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:15:24,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:15:24,138 INFO L93 Difference]: Finished difference Result 4820 states and 6858 transitions. [2022-12-13 22:15:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:15:24,138 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:15:24,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:15:24,142 INFO L225 Difference]: With dead ends: 4820 [2022-12-13 22:15:24,142 INFO L226 Difference]: Without dead ends: 4522 [2022-12-13 22:15:24,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:15:24,144 INFO L413 NwaCegarLoop]: 1955 mSDtfsCounter, 11187 mSDsluCounter, 8029 mSDsCounter, 0 mSdLazyCounter, 8209 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11187 SdHoareTripleChecker+Valid, 9984 SdHoareTripleChecker+Invalid, 8216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:15:24,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11187 Valid, 9984 Invalid, 8216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8209 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 22:15:24,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2022-12-13 22:15:25,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2712. [2022-12-13 22:15:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4355140186915887) internal successors, (3840), 2711 states have internal predecessors, (3840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:15:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3840 transitions. [2022-12-13 22:15:25,446 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3840 transitions. Word has length 130 [2022-12-13 22:15:25,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:15:25,446 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3840 transitions. [2022-12-13 22:15:25,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:15:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3840 transitions. [2022-12-13 22:15:25,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:15:25,448 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:15:25,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:15:25,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-12-13 22:15:25,448 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:15:25,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:15:25,448 INFO L85 PathProgramCache]: Analyzing trace with hash 800849747, now seen corresponding path program 1 times [2022-12-13 22:15:25,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:15:25,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604587085] [2022-12-13 22:15:25,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:15:25,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:15:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:15:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:15:25,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:15:25,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604587085] [2022-12-13 22:15:25,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604587085] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:15:25,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:15:25,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:15:25,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871092559] [2022-12-13 22:15:25,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:15:25,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:15:25,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:15:25,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:15:25,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:15:25,640 INFO L87 Difference]: Start difference. First operand 2712 states and 3840 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:15:30,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:15:30,724 INFO L93 Difference]: Finished difference Result 4406 states and 6163 transitions. [2022-12-13 22:15:30,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:15:30,725 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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 [2022-12-13 22:15:30,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:15:30,728 INFO L225 Difference]: With dead ends: 4406 [2022-12-13 22:15:30,728 INFO L226 Difference]: Without dead ends: 4214 [2022-12-13 22:15:30,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:15:30,729 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 10578 mSDsluCounter, 4395 mSDsCounter, 0 mSdLazyCounter, 5416 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10578 SdHoareTripleChecker+Valid, 5820 SdHoareTripleChecker+Invalid, 5423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:15:30,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10578 Valid, 5820 Invalid, 5423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5416 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:15:30,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-12-13 22:15:31,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2712. [2022-12-13 22:15:31,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.434766355140187) internal successors, (3838), 2711 states have internal predecessors, (3838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:15:31,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3838 transitions. [2022-12-13 22:15:31,736 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3838 transitions. Word has length 130 [2022-12-13 22:15:31,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:15:31,736 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3838 transitions. [2022-12-13 22:15:31,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 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) [2022-12-13 22:15:31,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3838 transitions. [2022-12-13 22:15:31,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 22:15:31,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:15:31,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:15:31,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-12-13 22:15:31,738 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:15:31,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:15:31,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1581920447, now seen corresponding path program 1 times [2022-12-13 22:15:31,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:15:31,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667427908] [2022-12-13 22:15:31,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:15:31,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:15:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:15:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:15:32,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:15:32,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667427908] [2022-12-13 22:15:32,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667427908] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:15:32,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:15:32,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:15:32,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82002044] [2022-12-13 22:15:32,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:15:32,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:15:32,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:15:32,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:15:32,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:15:32,125 INFO L87 Difference]: Start difference. First operand 2712 states and 3838 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 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) [2022-12-13 22:15:42,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:15:42,531 INFO L93 Difference]: Finished difference Result 6758 states and 9669 transitions. [2022-12-13 22:15:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:15:42,532 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 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 [2022-12-13 22:15:42,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:15:42,536 INFO L225 Difference]: With dead ends: 6758 [2022-12-13 22:15:42,536 INFO L226 Difference]: Without dead ends: 6320 [2022-12-13 22:15:42,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 22:15:42,537 INFO L413 NwaCegarLoop]: 2440 mSDtfsCounter, 15848 mSDsluCounter, 8164 mSDsCounter, 0 mSdLazyCounter, 8750 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15848 SdHoareTripleChecker+Valid, 10604 SdHoareTripleChecker+Invalid, 9208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 8750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:15:42,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15848 Valid, 10604 Invalid, 9208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [458 Valid, 8750 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-13 22:15:42,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6320 states. [2022-12-13 22:15:43,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6320 to 2720. [2022-12-13 22:15:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2720 states, 2683 states have (on average 1.433469996272829) internal successors, (3846), 2719 states have internal predecessors, (3846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:15:43,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2720 states and 3846 transitions. [2022-12-13 22:15:43,634 INFO L78 Accepts]: Start accepts. Automaton has 2720 states and 3846 transitions. Word has length 130 [2022-12-13 22:15:43,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:15:43,634 INFO L495 AbstractCegarLoop]: Abstraction has 2720 states and 3846 transitions. [2022-12-13 22:15:43,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 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) [2022-12-13 22:15:43,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3846 transitions. [2022-12-13 22:15:43,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 22:15:43,636 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:15:43,636 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, 1, 1, 1] [2022-12-13 22:15:43,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-12-13 22:15:43,636 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)] === [2022-12-13 22:15:43,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:15:43,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1638067966, now seen corresponding path program 1 times [2022-12-13 22:15:43,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:15:43,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727997288] [2022-12-13 22:15:43,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:15:43,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:15:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:15:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:15:43,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:15:43,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727997288] [2022-12-13 22:15:43,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727997288] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:15:43,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:15:43,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:15:43,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580518927] [2022-12-13 22:15:43,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:15:43,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:15:43,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:15:43,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:15:43,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:15:43,889 INFO L87 Difference]: Start difference. First operand 2720 states and 3846 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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) [2022-12-13 22:15:49,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:15:49,612 INFO L93 Difference]: Finished difference Result 4686 states and 6652 transitions. [2022-12-13 22:15:49,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:15:49,613 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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 [2022-12-13 22:15:49,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:15:49,616 INFO L225 Difference]: With dead ends: 4686 [2022-12-13 22:15:49,616 INFO L226 Difference]: Without dead ends: 4490 [2022-12-13 22:15:49,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:15:49,617 INFO L413 NwaCegarLoop]: 1919 mSDtfsCounter, 11179 mSDsluCounter, 7890 mSDsCounter, 0 mSdLazyCounter, 8115 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11179 SdHoareTripleChecker+Valid, 9809 SdHoareTripleChecker+Invalid, 8122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:15:49,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11179 Valid, 9809 Invalid, 8122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8115 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 22:15:49,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2022-12-13 22:15:50,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 2720. [2022-12-13 22:15:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2720 states, 2683 states have (on average 1.4330972791651138) internal successors, (3845), 2719 states have internal predecessors, (3845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:15:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2720 states and 3845 transitions. [2022-12-13 22:15:50,716 INFO L78 Accepts]: Start accepts. Automaton has 2720 states and 3845 transitions. Word has length 131 [2022-12-13 22:15:50,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:15:50,717 INFO L495 AbstractCegarLoop]: Abstraction has 2720 states and 3845 transitions. [2022-12-13 22:15:50,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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) [2022-12-13 22:15:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3845 transitions. [2022-12-13 22:15:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 22:15:50,718 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:15:50,718 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, 1] [2022-12-13 22:15:50,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-12-13 22:15:50,718 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:15:50,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:15:50,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1430881603, now seen corresponding path program 1 times [2022-12-13 22:15:50,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:15:50,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484572431] [2022-12-13 22:15:50,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:15:50,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:15:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:15:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:15:51,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:15:51,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484572431] [2022-12-13 22:15:51,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484572431] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:15:51,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:15:51,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 22:15:51,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520888222] [2022-12-13 22:15:51,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:15:51,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 22:15:51,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:15:51,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 22:15:51,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:15:51,093 INFO L87 Difference]: Start difference. First operand 2720 states and 3845 transitions. Second operand has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 12 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) [2022-12-13 22:16:01,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:16:01,561 INFO L93 Difference]: Finished difference Result 6401 states and 9102 transitions. [2022-12-13 22:16:01,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 22:16:01,562 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 12 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 [2022-12-13 22:16:01,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:16:01,566 INFO L225 Difference]: With dead ends: 6401 [2022-12-13 22:16:01,566 INFO L226 Difference]: Without dead ends: 6176 [2022-12-13 22:16:01,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=265, Invalid=925, Unknown=0, NotChecked=0, Total=1190 [2022-12-13 22:16:01,567 INFO L413 NwaCegarLoop]: 2604 mSDtfsCounter, 14098 mSDsluCounter, 17413 mSDsCounter, 0 mSdLazyCounter, 17013 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14098 SdHoareTripleChecker+Valid, 20017 SdHoareTripleChecker+Invalid, 17024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 17013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:16:01,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14098 Valid, 20017 Invalid, 17024 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 17013 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-12-13 22:16:01,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2022-12-13 22:16:02,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 2716. [2022-12-13 22:16:02,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4333706606942889) internal successors, (3840), 2715 states have internal predecessors, (3840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:16:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3840 transitions. [2022-12-13 22:16:02,711 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3840 transitions. Word has length 131 [2022-12-13 22:16:02,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:16:02,711 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3840 transitions. [2022-12-13 22:16:02,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 12 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) [2022-12-13 22:16:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3840 transitions. [2022-12-13 22:16:02,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 22:16:02,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:16:02,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:16:02,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-12-13 22:16:02,713 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:16:02,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:02,713 INFO L85 PathProgramCache]: Analyzing trace with hash 632529032, now seen corresponding path program 1 times [2022-12-13 22:16:02,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:16:02,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464102555] [2022-12-13 22:16:02,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:16:02,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:16:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:16:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:16:02,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:16:02,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464102555] [2022-12-13 22:16:02,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464102555] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:16:02,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:16:02,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:16:02,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844350749] [2022-12-13 22:16:02,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:16:02,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:16:02,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:16:02,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:16:02,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:16:02,950 INFO L87 Difference]: Start difference. First operand 2716 states and 3840 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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) [2022-12-13 22:16:08,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:16:08,697 INFO L93 Difference]: Finished difference Result 4763 states and 6768 transitions. [2022-12-13 22:16:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:16:08,698 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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 [2022-12-13 22:16:08,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:16:08,701 INFO L225 Difference]: With dead ends: 4763 [2022-12-13 22:16:08,701 INFO L226 Difference]: Without dead ends: 4530 [2022-12-13 22:16:08,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:16:08,702 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 10880 mSDsluCounter, 8323 mSDsCounter, 0 mSdLazyCounter, 8568 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10880 SdHoareTripleChecker+Valid, 10425 SdHoareTripleChecker+Invalid, 8575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:16:08,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10880 Valid, 10425 Invalid, 8575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8568 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 22:16:08,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-12-13 22:16:09,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2712. [2022-12-13 22:16:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4336448598130842) internal successors, (3835), 2711 states have internal predecessors, (3835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:16:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3835 transitions. [2022-12-13 22:16:09,840 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3835 transitions. Word has length 131 [2022-12-13 22:16:09,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:16:09,840 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3835 transitions. [2022-12-13 22:16:09,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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) [2022-12-13 22:16:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3835 transitions. [2022-12-13 22:16:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 22:16:09,842 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:16:09,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:16:09,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-12-13 22:16:09,843 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)] === [2022-12-13 22:16:09,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:09,843 INFO L85 PathProgramCache]: Analyzing trace with hash -228929686, now seen corresponding path program 1 times [2022-12-13 22:16:09,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:16:09,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160631727] [2022-12-13 22:16:09,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:16:09,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:16:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:16:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:16:10,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:16:10,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160631727] [2022-12-13 22:16:10,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160631727] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:16:10,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:16:10,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:16:10,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181070344] [2022-12-13 22:16:10,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:16:10,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:16:10,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:16:10,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:16:10,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:16:10,052 INFO L87 Difference]: Start difference. First operand 2712 states and 3835 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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) [2022-12-13 22:16:15,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:16:15,909 INFO L93 Difference]: Finished difference Result 4576 states and 6454 transitions. [2022-12-13 22:16:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:16:15,909 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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 [2022-12-13 22:16:15,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:16:15,912 INFO L225 Difference]: With dead ends: 4576 [2022-12-13 22:16:15,912 INFO L226 Difference]: Without dead ends: 4386 [2022-12-13 22:16:15,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:16:15,913 INFO L413 NwaCegarLoop]: 1518 mSDtfsCounter, 10394 mSDsluCounter, 4946 mSDsCounter, 0 mSdLazyCounter, 5574 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10394 SdHoareTripleChecker+Valid, 6464 SdHoareTripleChecker+Invalid, 5581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:16:15,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10394 Valid, 6464 Invalid, 5581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5574 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:16:15,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-12-13 22:16:17,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2712. [2022-12-13 22:16:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4332710280373833) internal successors, (3834), 2711 states have internal predecessors, (3834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:16:17,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3834 transitions. [2022-12-13 22:16:17,052 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3834 transitions. Word has length 131 [2022-12-13 22:16:17,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:16:17,052 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3834 transitions. [2022-12-13 22:16:17,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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) [2022-12-13 22:16:17,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3834 transitions. [2022-12-13 22:16:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 22:16:17,054 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:16:17,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:16:17,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-12-13 22:16:17,054 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:16:17,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:17,054 INFO L85 PathProgramCache]: Analyzing trace with hash 744368343, now seen corresponding path program 1 times [2022-12-13 22:16:17,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:16:17,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986799842] [2022-12-13 22:16:17,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:16:17,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:16:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:16:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:16:17,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:16:17,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986799842] [2022-12-13 22:16:17,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986799842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:16:17,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:16:17,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:16:17,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633702279] [2022-12-13 22:16:17,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:16:17,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:16:17,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:16:17,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:16:17,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:16:17,290 INFO L87 Difference]: Start difference. First operand 2712 states and 3834 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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) [2022-12-13 22:16:23,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:16:23,947 INFO L93 Difference]: Finished difference Result 4755 states and 6758 transitions. [2022-12-13 22:16:23,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:16:23,948 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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 [2022-12-13 22:16:23,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:16:23,951 INFO L225 Difference]: With dead ends: 4755 [2022-12-13 22:16:23,951 INFO L226 Difference]: Without dead ends: 4530 [2022-12-13 22:16:23,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:16:23,952 INFO L413 NwaCegarLoop]: 2038 mSDtfsCounter, 10981 mSDsluCounter, 8304 mSDsCounter, 0 mSdLazyCounter, 8430 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10981 SdHoareTripleChecker+Valid, 10342 SdHoareTripleChecker+Invalid, 8437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:16:23,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10981 Valid, 10342 Invalid, 8437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8430 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 22:16:23,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-12-13 22:16:25,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2712. [2022-12-13 22:16:25,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2675 states have (on average 1.4328971962616823) internal successors, (3833), 2711 states have internal predecessors, (3833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:16:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3833 transitions. [2022-12-13 22:16:25,105 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3833 transitions. Word has length 131 [2022-12-13 22:16:25,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:16:25,105 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 3833 transitions. [2022-12-13 22:16:25,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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) [2022-12-13 22:16:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3833 transitions. [2022-12-13 22:16:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 22:16:25,107 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:16:25,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:16:25,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-12-13 22:16:25,107 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:16:25,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:25,107 INFO L85 PathProgramCache]: Analyzing trace with hash -780054745, now seen corresponding path program 1 times [2022-12-13 22:16:25,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:16:25,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570842601] [2022-12-13 22:16:25,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:16:25,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:16:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:16:25,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:16:25,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:16:25,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570842601] [2022-12-13 22:16:25,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570842601] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:16:25,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:16:25,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:16:25,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954165294] [2022-12-13 22:16:25,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:16:25,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:16:25,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:16:25,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:16:25,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:16:25,329 INFO L87 Difference]: Start difference. First operand 2712 states and 3833 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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) [2022-12-13 22:16:31,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:16:31,408 INFO L93 Difference]: Finished difference Result 4984 states and 7070 transitions. [2022-12-13 22:16:31,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:16:31,408 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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 [2022-12-13 22:16:31,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:16:31,411 INFO L225 Difference]: With dead ends: 4984 [2022-12-13 22:16:31,411 INFO L226 Difference]: Without dead ends: 4546 [2022-12-13 22:16:31,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:16:31,412 INFO L413 NwaCegarLoop]: 2236 mSDtfsCounter, 11072 mSDsluCounter, 6846 mSDsCounter, 0 mSdLazyCounter, 7425 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11072 SdHoareTripleChecker+Valid, 9082 SdHoareTripleChecker+Invalid, 7432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:16:31,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11072 Valid, 9082 Invalid, 7432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7425 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 22:16:31,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2022-12-13 22:16:32,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2704. [2022-12-13 22:16:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.433445819272591) internal successors, (3823), 2703 states have internal predecessors, (3823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:16:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3823 transitions. [2022-12-13 22:16:32,569 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3823 transitions. Word has length 131 [2022-12-13 22:16:32,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:16:32,570 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3823 transitions. [2022-12-13 22:16:32,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 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) [2022-12-13 22:16:32,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3823 transitions. [2022-12-13 22:16:32,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:16:32,571 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:16:32,571 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, 1, 1] [2022-12-13 22:16:32,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-12-13 22:16:32,572 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:16:32,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:32,572 INFO L85 PathProgramCache]: Analyzing trace with hash 637220979, now seen corresponding path program 1 times [2022-12-13 22:16:32,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:16:32,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903896458] [2022-12-13 22:16:32,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:16:32,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:16:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:16:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:16:32,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:16:32,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903896458] [2022-12-13 22:16:32,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903896458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:16:32,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:16:32,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:16:32,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577720804] [2022-12-13 22:16:32,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:16:32,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:16:32,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:16:32,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:16:32,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:16:32,827 INFO L87 Difference]: Start difference. First operand 2704 states and 3823 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:16:39,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:16:39,905 INFO L93 Difference]: Finished difference Result 4675 states and 6636 transitions. [2022-12-13 22:16:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:16:39,906 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:16:39,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:16:39,909 INFO L225 Difference]: With dead ends: 4675 [2022-12-13 22:16:39,909 INFO L226 Difference]: Without dead ends: 4474 [2022-12-13 22:16:39,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:16:39,910 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 10792 mSDsluCounter, 8420 mSDsCounter, 0 mSdLazyCounter, 8653 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10792 SdHoareTripleChecker+Valid, 10522 SdHoareTripleChecker+Invalid, 8659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:16:39,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10792 Valid, 10522 Invalid, 8659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8653 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-13 22:16:39,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2022-12-13 22:16:41,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 2704. [2022-12-13 22:16:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4330708661417322) internal successors, (3822), 2703 states have internal predecessors, (3822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:16:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3822 transitions. [2022-12-13 22:16:41,252 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3822 transitions. Word has length 132 [2022-12-13 22:16:41,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:16:41,252 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3822 transitions. [2022-12-13 22:16:41,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:16:41,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3822 transitions. [2022-12-13 22:16:41,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:16:41,254 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:16:41,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:16:41,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-12-13 22:16:41,254 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:16:41,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:41,254 INFO L85 PathProgramCache]: Analyzing trace with hash 249013587, now seen corresponding path program 1 times [2022-12-13 22:16:41,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:16:41,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014829468] [2022-12-13 22:16:41,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:16:41,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:16:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:16:41,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:16:41,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:16:41,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014829468] [2022-12-13 22:16:41,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014829468] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:16:41,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:16:41,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:16:41,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056494945] [2022-12-13 22:16:41,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:16:41,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:16:41,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:16:41,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:16:41,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:16:41,466 INFO L87 Difference]: Start difference. First operand 2704 states and 3822 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:16:47,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:16:47,158 INFO L93 Difference]: Finished difference Result 4677 states and 6637 transitions. [2022-12-13 22:16:47,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:16:47,159 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:16:47,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:16:47,161 INFO L225 Difference]: With dead ends: 4677 [2022-12-13 22:16:47,162 INFO L226 Difference]: Without dead ends: 4474 [2022-12-13 22:16:47,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:16:47,162 INFO L413 NwaCegarLoop]: 2171 mSDtfsCounter, 8204 mSDsluCounter, 6913 mSDsCounter, 0 mSdLazyCounter, 7547 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8204 SdHoareTripleChecker+Valid, 9084 SdHoareTripleChecker+Invalid, 7552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:16:47,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8204 Valid, 9084 Invalid, 7552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7547 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:16:47,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2022-12-13 22:16:48,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 2704. [2022-12-13 22:16:48,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2667 states have (on average 1.4326959130108736) internal successors, (3821), 2703 states have internal predecessors, (3821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:16:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3821 transitions. [2022-12-13 22:16:48,353 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3821 transitions. Word has length 132 [2022-12-13 22:16:48,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:16:48,353 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3821 transitions. [2022-12-13 22:16:48,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:16:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3821 transitions. [2022-12-13 22:16:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:16:48,355 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:16:48,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:16:48,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-12-13 22:16:48,355 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:16:48,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:48,355 INFO L85 PathProgramCache]: Analyzing trace with hash 164368133, now seen corresponding path program 1 times [2022-12-13 22:16:48,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:16:48,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558879989] [2022-12-13 22:16:48,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:16:48,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:16:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:16:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:16:48,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:16:48,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558879989] [2022-12-13 22:16:48,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558879989] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:16:48,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:16:48,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:16:48,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884160284] [2022-12-13 22:16:48,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:16:48,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:16:48,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:16:48,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:16:48,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:16:48,732 INFO L87 Difference]: Start difference. First operand 2704 states and 3821 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 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) [2022-12-13 22:16:58,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:16:58,485 INFO L93 Difference]: Finished difference Result 5884 states and 8418 transitions. [2022-12-13 22:16:58,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:16:58,486 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 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 [2022-12-13 22:16:58,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:16:58,490 INFO L225 Difference]: With dead ends: 5884 [2022-12-13 22:16:58,490 INFO L226 Difference]: Without dead ends: 5683 [2022-12-13 22:16:58,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 22:16:58,491 INFO L413 NwaCegarLoop]: 2159 mSDtfsCounter, 15464 mSDsluCounter, 7545 mSDsCounter, 0 mSdLazyCounter, 8118 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15464 SdHoareTripleChecker+Valid, 9704 SdHoareTripleChecker+Invalid, 8578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 8118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:16:58,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15464 Valid, 9704 Invalid, 8578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [460 Valid, 8118 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-13 22:16:58,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5683 states. [2022-12-13 22:16:59,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5683 to 2708. [2022-12-13 22:16:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2708 states, 2671 states have (on average 1.4320479221265443) internal successors, (3825), 2707 states have internal predecessors, (3825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:16:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3825 transitions. [2022-12-13 22:16:59,762 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3825 transitions. Word has length 132 [2022-12-13 22:16:59,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:16:59,762 INFO L495 AbstractCegarLoop]: Abstraction has 2708 states and 3825 transitions. [2022-12-13 22:16:59,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 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) [2022-12-13 22:16:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3825 transitions. [2022-12-13 22:16:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:16:59,764 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:16:59,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:16:59,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-12-13 22:16:59,764 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:16:59,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:59,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1655577189, now seen corresponding path program 1 times [2022-12-13 22:16:59,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:16:59,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140364362] [2022-12-13 22:16:59,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:16:59,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:16:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:16:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:16:59,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:16:59,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140364362] [2022-12-13 22:16:59,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140364362] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:16:59,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:16:59,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:16:59,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124573202] [2022-12-13 22:16:59,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:16:59,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:16:59,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:16:59,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:16:59,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:16:59,961 INFO L87 Difference]: Start difference. First operand 2708 states and 3825 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:05,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:17:05,457 INFO L93 Difference]: Finished difference Result 4365 states and 6093 transitions. [2022-12-13 22:17:05,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:17:05,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:17:05,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:17:05,461 INFO L225 Difference]: With dead ends: 4365 [2022-12-13 22:17:05,461 INFO L226 Difference]: Without dead ends: 4181 [2022-12-13 22:17:05,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:17:05,461 INFO L413 NwaCegarLoop]: 1421 mSDtfsCounter, 10508 mSDsluCounter, 4385 mSDsCounter, 0 mSdLazyCounter, 5394 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10508 SdHoareTripleChecker+Valid, 5806 SdHoareTripleChecker+Invalid, 5403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 5394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:17:05,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10508 Valid, 5806 Invalid, 5403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 5394 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:17:05,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4181 states. [2022-12-13 22:17:06,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4181 to 2714. [2022-12-13 22:17:06,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4318266716473664) internal successors, (3833), 2713 states have internal predecessors, (3833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:06,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3833 transitions. [2022-12-13 22:17:06,740 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3833 transitions. Word has length 132 [2022-12-13 22:17:06,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:17:06,741 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3833 transitions. [2022-12-13 22:17:06,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:06,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3833 transitions. [2022-12-13 22:17:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:17:06,742 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:17:06,742 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, 1, 1] [2022-12-13 22:17:06,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-12-13 22:17:06,742 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)] === [2022-12-13 22:17:06,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:17:06,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1347002548, now seen corresponding path program 1 times [2022-12-13 22:17:06,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:17:06,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412095158] [2022-12-13 22:17:06,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:17:06,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:17:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:17:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:17:06,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:17:06,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412095158] [2022-12-13 22:17:06,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412095158] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:17:06,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:17:06,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:17:06,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917949207] [2022-12-13 22:17:06,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:17:06,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:17:06,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:17:06,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:17:06,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:17:06,945 INFO L87 Difference]: Start difference. First operand 2714 states and 3833 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:13,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:17:13,270 INFO L93 Difference]: Finished difference Result 4583 states and 6457 transitions. [2022-12-13 22:17:13,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:17:13,271 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:17:13,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:17:13,274 INFO L225 Difference]: With dead ends: 4583 [2022-12-13 22:17:13,274 INFO L226 Difference]: Without dead ends: 4391 [2022-12-13 22:17:13,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:17:13,275 INFO L413 NwaCegarLoop]: 1619 mSDtfsCounter, 6675 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 5832 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6675 SdHoareTripleChecker+Valid, 6779 SdHoareTripleChecker+Invalid, 5838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:17:13,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6675 Valid, 6779 Invalid, 5838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5832 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 22:17:13,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2022-12-13 22:17:14,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 2714. [2022-12-13 22:17:14,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4314531191632425) internal successors, (3832), 2713 states have internal predecessors, (3832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3832 transitions. [2022-12-13 22:17:14,571 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3832 transitions. Word has length 132 [2022-12-13 22:17:14,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:17:14,571 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3832 transitions. [2022-12-13 22:17:14,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:14,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3832 transitions. [2022-12-13 22:17:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:17:14,573 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:17:14,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:17:14,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-12-13 22:17:14,573 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:17:14,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:17:14,573 INFO L85 PathProgramCache]: Analyzing trace with hash -910026268, now seen corresponding path program 1 times [2022-12-13 22:17:14,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:17:14,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702097602] [2022-12-13 22:17:14,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:17:14,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:17:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:17:14,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:17:14,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:17:14,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702097602] [2022-12-13 22:17:14,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702097602] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:17:14,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:17:14,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:17:14,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038496094] [2022-12-13 22:17:14,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:17:14,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:17:14,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:17:14,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:17:14,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:17:14,773 INFO L87 Difference]: Start difference. First operand 2714 states and 3832 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:20,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:17:20,541 INFO L93 Difference]: Finished difference Result 4397 states and 6141 transitions. [2022-12-13 22:17:20,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:17:20,542 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:17:20,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:17:20,545 INFO L225 Difference]: With dead ends: 4397 [2022-12-13 22:17:20,545 INFO L226 Difference]: Without dead ends: 4213 [2022-12-13 22:17:20,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:17:20,546 INFO L413 NwaCegarLoop]: 1434 mSDtfsCounter, 10439 mSDsluCounter, 4423 mSDsCounter, 0 mSdLazyCounter, 5431 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10439 SdHoareTripleChecker+Valid, 5857 SdHoareTripleChecker+Invalid, 5437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:17:20,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10439 Valid, 5857 Invalid, 5437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5431 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 22:17:20,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4213 states. [2022-12-13 22:17:21,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4213 to 2714. [2022-12-13 22:17:21,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4310795666791185) internal successors, (3831), 2713 states have internal predecessors, (3831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:21,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3831 transitions. [2022-12-13 22:17:21,850 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3831 transitions. Word has length 132 [2022-12-13 22:17:21,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:17:21,850 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3831 transitions. [2022-12-13 22:17:21,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:21,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3831 transitions. [2022-12-13 22:17:21,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:17:21,851 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:17:21,852 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] [2022-12-13 22:17:21,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-12-13 22:17:21,852 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:17:21,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:17:21,852 INFO L85 PathProgramCache]: Analyzing trace with hash 846711713, now seen corresponding path program 1 times [2022-12-13 22:17:21,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:17:21,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295013746] [2022-12-13 22:17:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:17:21,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:17:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:17:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:17:22,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:17:22,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295013746] [2022-12-13 22:17:22,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295013746] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:17:22,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:17:22,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:17:22,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939990273] [2022-12-13 22:17:22,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:17:22,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:17:22,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:17:22,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:17:22,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:17:22,053 INFO L87 Difference]: Start difference. First operand 2714 states and 3831 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:17:27,747 INFO L93 Difference]: Finished difference Result 4587 states and 6457 transitions. [2022-12-13 22:17:27,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:17:27,747 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:17:27,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:17:27,750 INFO L225 Difference]: With dead ends: 4587 [2022-12-13 22:17:27,750 INFO L226 Difference]: Without dead ends: 4391 [2022-12-13 22:17:27,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:17:27,751 INFO L413 NwaCegarLoop]: 1628 mSDtfsCounter, 13454 mSDsluCounter, 5181 mSDsCounter, 0 mSdLazyCounter, 5815 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13454 SdHoareTripleChecker+Valid, 6809 SdHoareTripleChecker+Invalid, 5822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:17:27,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13454 Valid, 6809 Invalid, 5822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5815 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 22:17:27,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2022-12-13 22:17:29,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 2714. [2022-12-13 22:17:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4307060141949943) internal successors, (3830), 2713 states have internal predecessors, (3830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3830 transitions. [2022-12-13 22:17:29,067 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3830 transitions. Word has length 132 [2022-12-13 22:17:29,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:17:29,067 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3830 transitions. [2022-12-13 22:17:29,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:29,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3830 transitions. [2022-12-13 22:17:29,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:17:29,068 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:17:29,069 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] [2022-12-13 22:17:29,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-12-13 22:17:29,069 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:17:29,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:17:29,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1008460440, now seen corresponding path program 1 times [2022-12-13 22:17:29,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:17:29,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855343195] [2022-12-13 22:17:29,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:17:29,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:17:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:17:29,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:17:29,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:17:29,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855343195] [2022-12-13 22:17:29,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855343195] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:17:29,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:17:29,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:17:29,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22450843] [2022-12-13 22:17:29,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:17:29,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:17:29,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:17:29,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:17:29,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:17:29,269 INFO L87 Difference]: Start difference. First operand 2714 states and 3830 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:35,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:17:35,247 INFO L93 Difference]: Finished difference Result 4399 states and 6140 transitions. [2022-12-13 22:17:35,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:17:35,248 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:17:35,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:17:35,250 INFO L225 Difference]: With dead ends: 4399 [2022-12-13 22:17:35,251 INFO L226 Difference]: Without dead ends: 4213 [2022-12-13 22:17:35,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:17:35,251 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 10459 mSDsluCounter, 4450 mSDsCounter, 0 mSdLazyCounter, 5440 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10459 SdHoareTripleChecker+Valid, 5893 SdHoareTripleChecker+Invalid, 5447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:17:35,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10459 Valid, 5893 Invalid, 5447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5440 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:17:35,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4213 states. [2022-12-13 22:17:36,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4213 to 2714. [2022-12-13 22:17:36,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4303324617108704) internal successors, (3829), 2713 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3829 transitions. [2022-12-13 22:17:36,729 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3829 transitions. Word has length 132 [2022-12-13 22:17:36,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:17:36,729 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3829 transitions. [2022-12-13 22:17:36,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3829 transitions. [2022-12-13 22:17:36,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:17:36,730 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:17:36,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:17:36,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-12-13 22:17:36,731 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)] === [2022-12-13 22:17:36,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:17:36,731 INFO L85 PathProgramCache]: Analyzing trace with hash 268926026, now seen corresponding path program 1 times [2022-12-13 22:17:36,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:17:36,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771733059] [2022-12-13 22:17:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:17:36,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:17:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:17:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:17:36,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:17:36,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771733059] [2022-12-13 22:17:36,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771733059] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:17:36,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:17:36,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:17:36,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160591716] [2022-12-13 22:17:36,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:17:36,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:17:36,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:17:36,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:17:36,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:17:36,949 INFO L87 Difference]: Start difference. First operand 2714 states and 3829 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:42,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:17:42,927 INFO L93 Difference]: Finished difference Result 4581 states and 6449 transitions. [2022-12-13 22:17:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:17:42,928 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:17:42,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:17:42,931 INFO L225 Difference]: With dead ends: 4581 [2022-12-13 22:17:42,931 INFO L226 Difference]: Without dead ends: 4391 [2022-12-13 22:17:42,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:17:42,932 INFO L413 NwaCegarLoop]: 1619 mSDtfsCounter, 10039 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 5810 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10039 SdHoareTripleChecker+Valid, 6779 SdHoareTripleChecker+Invalid, 5816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:17:42,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10039 Valid, 6779 Invalid, 5816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5810 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 22:17:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2022-12-13 22:17:44,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 2714. [2022-12-13 22:17:44,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4299589092267464) internal successors, (3828), 2713 states have internal predecessors, (3828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3828 transitions. [2022-12-13 22:17:44,502 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3828 transitions. Word has length 132 [2022-12-13 22:17:44,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:17:44,503 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3828 transitions. [2022-12-13 22:17:44,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:44,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3828 transitions. [2022-12-13 22:17:44,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:17:44,505 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:17:44,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:17:44,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-12-13 22:17:44,505 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)] === [2022-12-13 22:17:44,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:17:44,505 INFO L85 PathProgramCache]: Analyzing trace with hash -202875620, now seen corresponding path program 1 times [2022-12-13 22:17:44,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:17:44,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559987261] [2022-12-13 22:17:44,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:17:44,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:17:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:17:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:17:44,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:17:44,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559987261] [2022-12-13 22:17:44,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559987261] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:17:44,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:17:44,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:17:44,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339447699] [2022-12-13 22:17:44,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:17:44,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:17:44,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:17:44,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:17:44,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:17:44,700 INFO L87 Difference]: Start difference. First operand 2714 states and 3828 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:51,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:17:51,165 INFO L93 Difference]: Finished difference Result 4397 states and 6135 transitions. [2022-12-13 22:17:51,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:17:51,166 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:17:51,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:17:51,169 INFO L225 Difference]: With dead ends: 4397 [2022-12-13 22:17:51,169 INFO L226 Difference]: Without dead ends: 4213 [2022-12-13 22:17:51,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:17:51,169 INFO L413 NwaCegarLoop]: 1506 mSDtfsCounter, 10130 mSDsluCounter, 4640 mSDsCounter, 0 mSdLazyCounter, 5678 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10130 SdHoareTripleChecker+Valid, 6146 SdHoareTripleChecker+Invalid, 5683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 5678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:17:51,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10130 Valid, 6146 Invalid, 5683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 5678 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:17:51,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4213 states. [2022-12-13 22:17:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4213 to 2714. [2022-12-13 22:17:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4295853567426224) internal successors, (3827), 2713 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) [2022-12-13 22:17:52,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3827 transitions. [2022-12-13 22:17:52,513 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3827 transitions. Word has length 132 [2022-12-13 22:17:52,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:17:52,513 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3827 transitions. [2022-12-13 22:17:52,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3827 transitions. [2022-12-13 22:17:52,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:17:52,515 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:17:52,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:17:52,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-12-13 22:17:52,515 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:17:52,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:17:52,515 INFO L85 PathProgramCache]: Analyzing trace with hash -714535390, now seen corresponding path program 1 times [2022-12-13 22:17:52,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:17:52,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133176476] [2022-12-13 22:17:52,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:17:52,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:17:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:17:52,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:17:52,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:17:52,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133176476] [2022-12-13 22:17:52,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133176476] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:17:52,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:17:52,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:17:52,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881900429] [2022-12-13 22:17:52,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:17:52,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:17:52,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:17:52,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:17:52,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:17:52,720 INFO L87 Difference]: Start difference. First operand 2714 states and 3827 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:17:58,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:17:58,866 INFO L93 Difference]: Finished difference Result 4399 states and 6135 transitions. [2022-12-13 22:17:58,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:17:58,867 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:17:58,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:17:58,869 INFO L225 Difference]: With dead ends: 4399 [2022-12-13 22:17:58,870 INFO L226 Difference]: Without dead ends: 4213 [2022-12-13 22:17:58,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:17:58,870 INFO L413 NwaCegarLoop]: 1521 mSDtfsCounter, 10283 mSDsluCounter, 4604 mSDsCounter, 0 mSdLazyCounter, 5633 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10283 SdHoareTripleChecker+Valid, 6125 SdHoareTripleChecker+Invalid, 5640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:17:58,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10283 Valid, 6125 Invalid, 5640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5633 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:17:58,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4213 states. [2022-12-13 22:18:00,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4213 to 2714. [2022-12-13 22:18:00,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4292118042584983) internal successors, (3826), 2713 states have internal predecessors, (3826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:18:00,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3826 transitions. [2022-12-13 22:18:00,244 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3826 transitions. Word has length 132 [2022-12-13 22:18:00,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:18:00,244 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3826 transitions. [2022-12-13 22:18:00,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:00,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3826 transitions. [2022-12-13 22:18:00,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:18:00,246 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:18:00,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:18:00,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-12-13 22:18:00,246 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)] === [2022-12-13 22:18:00,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:18:00,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1604772198, now seen corresponding path program 1 times [2022-12-13 22:18:00,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:18:00,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241906481] [2022-12-13 22:18:00,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:18:00,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:18:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:18:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:18:00,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:18:00,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241906481] [2022-12-13 22:18:00,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241906481] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:18:00,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:18:00,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:18:00,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288172403] [2022-12-13 22:18:00,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:18:00,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:18:00,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:18:00,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:18:00,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:18:00,448 INFO L87 Difference]: Start difference. First operand 2714 states and 3826 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:06,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:18:06,010 INFO L93 Difference]: Finished difference Result 4397 states and 6131 transitions. [2022-12-13 22:18:06,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:18:06,011 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:18:06,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:18:06,014 INFO L225 Difference]: With dead ends: 4397 [2022-12-13 22:18:06,014 INFO L226 Difference]: Without dead ends: 4213 [2022-12-13 22:18:06,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:18:06,014 INFO L413 NwaCegarLoop]: 1447 mSDtfsCounter, 10417 mSDsluCounter, 4466 mSDsCounter, 0 mSdLazyCounter, 5436 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10417 SdHoareTripleChecker+Valid, 5913 SdHoareTripleChecker+Invalid, 5443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:18:06,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10417 Valid, 5913 Invalid, 5443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5436 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:18:06,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4213 states. [2022-12-13 22:18:07,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4213 to 2714. [2022-12-13 22:18:07,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4288382517743743) internal successors, (3825), 2713 states have internal predecessors, (3825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:18:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3825 transitions. [2022-12-13 22:18:07,375 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3825 transitions. Word has length 132 [2022-12-13 22:18:07,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:18:07,376 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3825 transitions. [2022-12-13 22:18:07,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3825 transitions. [2022-12-13 22:18:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:18:07,377 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:18:07,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:18:07,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-12-13 22:18:07,378 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)] === [2022-12-13 22:18:07,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:18:07,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1193059732, now seen corresponding path program 1 times [2022-12-13 22:18:07,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:18:07,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439671966] [2022-12-13 22:18:07,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:18:07,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:18:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:18:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:18:07,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:18:07,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439671966] [2022-12-13 22:18:07,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439671966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:18:07,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:18:07,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:18:07,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750815264] [2022-12-13 22:18:07,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:18:07,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:18:07,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:18:07,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:18:07,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:18:07,586 INFO L87 Difference]: Start difference. First operand 2714 states and 3825 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:13,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:18:13,946 INFO L93 Difference]: Finished difference Result 4583 states and 6443 transitions. [2022-12-13 22:18:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:18:13,947 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:18:13,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:18:13,950 INFO L225 Difference]: With dead ends: 4583 [2022-12-13 22:18:13,950 INFO L226 Difference]: Without dead ends: 4391 [2022-12-13 22:18:13,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:18:13,951 INFO L413 NwaCegarLoop]: 1546 mSDtfsCounter, 6818 mSDsluCounter, 5029 mSDsCounter, 0 mSdLazyCounter, 5602 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6818 SdHoareTripleChecker+Valid, 6575 SdHoareTripleChecker+Invalid, 5608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:18:13,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6818 Valid, 6575 Invalid, 5608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5602 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 22:18:13,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2022-12-13 22:18:15,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 2714. [2022-12-13 22:18:15,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4284646992902503) internal successors, (3824), 2713 states have internal predecessors, (3824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:18:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3824 transitions. [2022-12-13 22:18:15,457 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3824 transitions. Word has length 132 [2022-12-13 22:18:15,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:18:15,458 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3824 transitions. [2022-12-13 22:18:15,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:15,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3824 transitions. [2022-12-13 22:18:15,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:18:15,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:18:15,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:18:15,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-12-13 22:18:15,459 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:18:15,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:18:15,460 INFO L85 PathProgramCache]: Analyzing trace with hash -176204670, now seen corresponding path program 1 times [2022-12-13 22:18:15,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:18:15,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455955107] [2022-12-13 22:18:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:18:15,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:18:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:18:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:18:15,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:18:15,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455955107] [2022-12-13 22:18:15,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455955107] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:18:15,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:18:15,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:18:15,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078592102] [2022-12-13 22:18:15,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:18:15,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:18:15,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:18:15,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:18:15,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:18:15,741 INFO L87 Difference]: Start difference. First operand 2714 states and 3824 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:22,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:18:22,268 INFO L93 Difference]: Finished difference Result 4692 states and 6637 transitions. [2022-12-13 22:18:22,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:18:22,269 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:18:22,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:18:22,272 INFO L225 Difference]: With dead ends: 4692 [2022-12-13 22:18:22,272 INFO L226 Difference]: Without dead ends: 4483 [2022-12-13 22:18:22,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:18:22,273 INFO L413 NwaCegarLoop]: 2094 mSDtfsCounter, 10717 mSDsluCounter, 6670 mSDsCounter, 0 mSdLazyCounter, 7186 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10717 SdHoareTripleChecker+Valid, 8764 SdHoareTripleChecker+Invalid, 7193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:18:22,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10717 Valid, 8764 Invalid, 7193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7186 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 22:18:22,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2022-12-13 22:18:23,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2714. [2022-12-13 22:18:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4280911468061264) internal successors, (3823), 2713 states have internal predecessors, (3823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:18:23,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3823 transitions. [2022-12-13 22:18:23,665 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3823 transitions. Word has length 132 [2022-12-13 22:18:23,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:18:23,665 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3823 transitions. [2022-12-13 22:18:23,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3823 transitions. [2022-12-13 22:18:23,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:18:23,666 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:18:23,666 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:18:23,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-12-13 22:18:23,667 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:18:23,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:18:23,667 INFO L85 PathProgramCache]: Analyzing trace with hash -546149828, now seen corresponding path program 1 times [2022-12-13 22:18:23,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:18:23,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84471097] [2022-12-13 22:18:23,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:18:23,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:18:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:18:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:18:23,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:18:23,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84471097] [2022-12-13 22:18:23,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84471097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:18:23,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:18:23,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:18:23,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185322443] [2022-12-13 22:18:23,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:18:23,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:18:23,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:18:23,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:18:23,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:18:23,860 INFO L87 Difference]: Start difference. First operand 2714 states and 3823 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:29,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:18:29,867 INFO L93 Difference]: Finished difference Result 4583 states and 6441 transitions. [2022-12-13 22:18:29,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:18:29,868 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:18:29,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:18:29,871 INFO L225 Difference]: With dead ends: 4583 [2022-12-13 22:18:29,871 INFO L226 Difference]: Without dead ends: 4391 [2022-12-13 22:18:29,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:18:29,871 INFO L413 NwaCegarLoop]: 1565 mSDtfsCounter, 13476 mSDsluCounter, 5089 mSDsCounter, 0 mSdLazyCounter, 5642 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13476 SdHoareTripleChecker+Valid, 6654 SdHoareTripleChecker+Invalid, 5649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:18:29,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13476 Valid, 6654 Invalid, 5649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5642 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:18:29,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2022-12-13 22:18:31,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 2714. [2022-12-13 22:18:31,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4277175943220022) internal successors, (3822), 2713 states have internal predecessors, (3822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:18:31,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3822 transitions. [2022-12-13 22:18:31,287 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3822 transitions. Word has length 132 [2022-12-13 22:18:31,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:18:31,287 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3822 transitions. [2022-12-13 22:18:31,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3822 transitions. [2022-12-13 22:18:31,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:18:31,288 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:18:31,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:18:31,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-12-13 22:18:31,289 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:18:31,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:18:31,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1920315747, now seen corresponding path program 1 times [2022-12-13 22:18:31,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:18:31,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813439675] [2022-12-13 22:18:31,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:18:31,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:18:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:18:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:18:31,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:18:31,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813439675] [2022-12-13 22:18:31,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813439675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:18:31,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:18:31,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:18:31,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248785123] [2022-12-13 22:18:31,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:18:31,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:18:31,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:18:31,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:18:31,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:18:31,521 INFO L87 Difference]: Start difference. First operand 2714 states and 3822 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:38,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:18:38,409 INFO L93 Difference]: Finished difference Result 4701 states and 6643 transitions. [2022-12-13 22:18:38,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:18:38,409 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:18:38,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:18:38,412 INFO L225 Difference]: With dead ends: 4701 [2022-12-13 22:18:38,412 INFO L226 Difference]: Without dead ends: 4483 [2022-12-13 22:18:38,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:18:38,413 INFO L413 NwaCegarLoop]: 2094 mSDtfsCounter, 8395 mSDsluCounter, 7335 mSDsCounter, 0 mSdLazyCounter, 7688 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8395 SdHoareTripleChecker+Valid, 9429 SdHoareTripleChecker+Invalid, 7695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:18:38,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8395 Valid, 9429 Invalid, 7695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7688 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 22:18:38,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2022-12-13 22:18:39,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2714. [2022-12-13 22:18:39,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4273440418378782) internal successors, (3821), 2713 states have internal predecessors, (3821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:18:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3821 transitions. [2022-12-13 22:18:39,829 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3821 transitions. Word has length 132 [2022-12-13 22:18:39,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:18:39,829 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3821 transitions. [2022-12-13 22:18:39,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3821 transitions. [2022-12-13 22:18:39,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:18:39,831 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:18:39,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:18:39,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-12-13 22:18:39,831 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:18:39,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:18:39,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1511470519, now seen corresponding path program 1 times [2022-12-13 22:18:39,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:18:39,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874156028] [2022-12-13 22:18:39,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:18:39,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:18:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:18:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:18:40,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:18:40,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874156028] [2022-12-13 22:18:40,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874156028] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:18:40,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:18:40,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:18:40,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221011509] [2022-12-13 22:18:40,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:18:40,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:18:40,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:18:40,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:18:40,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:18:40,056 INFO L87 Difference]: Start difference. First operand 2714 states and 3821 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:46,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:18:46,875 INFO L93 Difference]: Finished difference Result 4587 states and 6443 transitions. [2022-12-13 22:18:46,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:18:46,876 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:18:46,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:18:46,879 INFO L225 Difference]: With dead ends: 4587 [2022-12-13 22:18:46,879 INFO L226 Difference]: Without dead ends: 4391 [2022-12-13 22:18:46,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-12-13 22:18:46,880 INFO L413 NwaCegarLoop]: 1591 mSDtfsCounter, 13427 mSDsluCounter, 5163 mSDsCounter, 0 mSdLazyCounter, 5696 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13427 SdHoareTripleChecker+Valid, 6754 SdHoareTripleChecker+Invalid, 5703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:18:46,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13427 Valid, 6754 Invalid, 5703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5696 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:18:46,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2022-12-13 22:18:48,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 2714. [2022-12-13 22:18:48,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4269704893537543) internal successors, (3820), 2713 states have internal predecessors, (3820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:18:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3820 transitions. [2022-12-13 22:18:48,315 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3820 transitions. Word has length 132 [2022-12-13 22:18:48,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:18:48,315 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3820 transitions. [2022-12-13 22:18:48,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3820 transitions. [2022-12-13 22:18:48,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:18:48,317 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:18:48,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:18:48,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-12-13 22:18:48,317 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)] === [2022-12-13 22:18:48,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:18:48,317 INFO L85 PathProgramCache]: Analyzing trace with hash 25786769, now seen corresponding path program 1 times [2022-12-13 22:18:48,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:18:48,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560998188] [2022-12-13 22:18:48,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:18:48,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:18:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:18:48,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:18:48,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:18:48,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560998188] [2022-12-13 22:18:48,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560998188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:18:48,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:18:48,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:18:48,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734871305] [2022-12-13 22:18:48,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:18:48,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:18:48,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:18:48,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:18:48,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:18:48,531 INFO L87 Difference]: Start difference. First operand 2714 states and 3820 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:53,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:18:53,942 INFO L93 Difference]: Finished difference Result 4583 states and 6438 transitions. [2022-12-13 22:18:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:18:53,943 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:18:53,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:18:53,945 INFO L225 Difference]: With dead ends: 4583 [2022-12-13 22:18:53,946 INFO L226 Difference]: Without dead ends: 4391 [2022-12-13 22:18:53,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:18:53,946 INFO L413 NwaCegarLoop]: 1591 mSDtfsCounter, 10049 mSDsluCounter, 5167 mSDsCounter, 0 mSdLazyCounter, 5694 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10049 SdHoareTripleChecker+Valid, 6758 SdHoareTripleChecker+Invalid, 5701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:18:53,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10049 Valid, 6758 Invalid, 5701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5694 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:18:53,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2022-12-13 22:18:55,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 2714. [2022-12-13 22:18:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.42659693686963) internal successors, (3819), 2713 states have internal predecessors, (3819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:18:55,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3819 transitions. [2022-12-13 22:18:55,378 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3819 transitions. Word has length 132 [2022-12-13 22:18:55,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:18:55,378 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3819 transitions. [2022-12-13 22:18:55,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:18:55,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3819 transitions. [2022-12-13 22:18:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:18:55,380 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:18:55,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:18:55,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-12-13 22:18:55,380 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)] === [2022-12-13 22:18:55,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:18:55,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1657643851, now seen corresponding path program 1 times [2022-12-13 22:18:55,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:18:55,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149159503] [2022-12-13 22:18:55,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:18:55,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:18:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:18:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:18:55,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:18:55,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149159503] [2022-12-13 22:18:55,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149159503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:18:55,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:18:55,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:18:55,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790441411] [2022-12-13 22:18:55,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:18:55,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:18:55,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:18:55,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:18:55,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:18:55,597 INFO L87 Difference]: Start difference. First operand 2714 states and 3819 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:02,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:02,535 INFO L93 Difference]: Finished difference Result 4692 states and 6629 transitions. [2022-12-13 22:19:02,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:19:02,535 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:19:02,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:19:02,538 INFO L225 Difference]: With dead ends: 4692 [2022-12-13 22:19:02,538 INFO L226 Difference]: Without dead ends: 4483 [2022-12-13 22:19:02,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:19:02,539 INFO L413 NwaCegarLoop]: 2080 mSDtfsCounter, 8285 mSDsluCounter, 7546 mSDsCounter, 0 mSdLazyCounter, 7828 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8285 SdHoareTripleChecker+Valid, 9626 SdHoareTripleChecker+Invalid, 7833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:19:02,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8285 Valid, 9626 Invalid, 7833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7828 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 22:19:02,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2022-12-13 22:19:03,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2714. [2022-12-13 22:19:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.426223384385506) internal successors, (3818), 2713 states have internal predecessors, (3818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:03,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3818 transitions. [2022-12-13 22:19:03,985 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3818 transitions. Word has length 132 [2022-12-13 22:19:03,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:19:03,985 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3818 transitions. [2022-12-13 22:19:03,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:03,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3818 transitions. [2022-12-13 22:19:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:19:03,987 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:19:03,987 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] [2022-12-13 22:19:03,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-12-13 22:19:03,987 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:19:03,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:03,987 INFO L85 PathProgramCache]: Analyzing trace with hash 434817427, now seen corresponding path program 1 times [2022-12-13 22:19:03,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:03,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487163192] [2022-12-13 22:19:03,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:03,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:04,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:04,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:04,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487163192] [2022-12-13 22:19:04,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487163192] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:19:04,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:19:04,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:19:04,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910321950] [2022-12-13 22:19:04,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:19:04,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:19:04,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:04,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:19:04,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:19:04,187 INFO L87 Difference]: Start difference. First operand 2714 states and 3818 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:10,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:10,017 INFO L93 Difference]: Finished difference Result 4692 states and 6627 transitions. [2022-12-13 22:19:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:19:10,017 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:19:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:19:10,020 INFO L225 Difference]: With dead ends: 4692 [2022-12-13 22:19:10,020 INFO L226 Difference]: Without dead ends: 4483 [2022-12-13 22:19:10,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:19:10,021 INFO L413 NwaCegarLoop]: 2089 mSDtfsCounter, 5864 mSDsluCounter, 6598 mSDsCounter, 0 mSdLazyCounter, 7109 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5864 SdHoareTripleChecker+Valid, 8687 SdHoareTripleChecker+Invalid, 7116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:19:10,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5864 Valid, 8687 Invalid, 7116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7109 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:19:10,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2022-12-13 22:19:11,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2714. [2022-12-13 22:19:11,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4258498319013821) internal successors, (3817), 2713 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) [2022-12-13 22:19:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3817 transitions. [2022-12-13 22:19:11,486 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3817 transitions. Word has length 132 [2022-12-13 22:19:11,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:19:11,486 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3817 transitions. [2022-12-13 22:19:11,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3817 transitions. [2022-12-13 22:19:11,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:19:11,488 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:19:11,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:19:11,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-12-13 22:19:11,488 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)] === [2022-12-13 22:19:11,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:11,488 INFO L85 PathProgramCache]: Analyzing trace with hash 65280392, now seen corresponding path program 1 times [2022-12-13 22:19:11,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:11,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958959270] [2022-12-13 22:19:11,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:11,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:11,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:11,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958959270] [2022-12-13 22:19:11,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958959270] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:19:11,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:19:11,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:19:11,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828456478] [2022-12-13 22:19:11,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:19:11,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:19:11,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:11,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:19:11,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:19:11,694 INFO L87 Difference]: Start difference. First operand 2714 states and 3817 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:17,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:17,591 INFO L93 Difference]: Finished difference Result 4583 states and 6435 transitions. [2022-12-13 22:19:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:19:17,592 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:19:17,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:19:17,595 INFO L225 Difference]: With dead ends: 4583 [2022-12-13 22:19:17,595 INFO L226 Difference]: Without dead ends: 4391 [2022-12-13 22:19:17,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:19:17,596 INFO L413 NwaCegarLoop]: 1629 mSDtfsCounter, 7824 mSDsluCounter, 5281 mSDsCounter, 0 mSdLazyCounter, 5790 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7824 SdHoareTripleChecker+Valid, 6910 SdHoareTripleChecker+Invalid, 5796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:19:17,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7824 Valid, 6910 Invalid, 5796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5790 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:19:17,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2022-12-13 22:19:19,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 2714. [2022-12-13 22:19:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4254762794172582) internal successors, (3816), 2713 states have internal predecessors, (3816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3816 transitions. [2022-12-13 22:19:19,088 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3816 transitions. Word has length 132 [2022-12-13 22:19:19,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:19:19,088 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3816 transitions. [2022-12-13 22:19:19,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3816 transitions. [2022-12-13 22:19:19,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:19:19,090 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:19:19,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:19:19,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-12-13 22:19:19,090 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)] === [2022-12-13 22:19:19,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:19,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1804489952, now seen corresponding path program 1 times [2022-12-13 22:19:19,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:19,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364570563] [2022-12-13 22:19:19,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:19,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:19,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:19,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:19,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364570563] [2022-12-13 22:19:19,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364570563] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:19:19,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:19:19,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:19:19,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35726337] [2022-12-13 22:19:19,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:19:19,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:19:19,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:19,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:19:19,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:19:19,296 INFO L87 Difference]: Start difference. First operand 2714 states and 3816 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:26,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:26,509 INFO L93 Difference]: Finished difference Result 4583 states and 6433 transitions. [2022-12-13 22:19:26,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:19:26,509 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:19:26,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:19:26,512 INFO L225 Difference]: With dead ends: 4583 [2022-12-13 22:19:26,512 INFO L226 Difference]: Without dead ends: 4391 [2022-12-13 22:19:26,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:19:26,513 INFO L413 NwaCegarLoop]: 1629 mSDtfsCounter, 9869 mSDsluCounter, 5278 mSDsCounter, 0 mSdLazyCounter, 5789 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9869 SdHoareTripleChecker+Valid, 6907 SdHoareTripleChecker+Invalid, 5795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:19:26,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9869 Valid, 6907 Invalid, 5795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5789 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 22:19:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2022-12-13 22:19:27,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 2714. [2022-12-13 22:19:27,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.425102726933134) internal successors, (3815), 2713 states have internal predecessors, (3815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3815 transitions. [2022-12-13 22:19:27,993 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3815 transitions. Word has length 132 [2022-12-13 22:19:27,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:19:27,993 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3815 transitions. [2022-12-13 22:19:27,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3815 transitions. [2022-12-13 22:19:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:19:27,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:19:27,995 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] [2022-12-13 22:19:27,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-12-13 22:19:27,995 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:19:27,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:27,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1413670137, now seen corresponding path program 1 times [2022-12-13 22:19:27,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:27,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471805709] [2022-12-13 22:19:27,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:27,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:28,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:28,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471805709] [2022-12-13 22:19:28,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471805709] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:19:28,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:19:28,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:19:28,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069473382] [2022-12-13 22:19:28,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:19:28,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:19:28,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:28,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:19:28,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:19:28,373 INFO L87 Difference]: Start difference. First operand 2714 states and 3815 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 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) [2022-12-13 22:19:38,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:38,646 INFO L93 Difference]: Finished difference Result 5947 states and 8468 transitions. [2022-12-13 22:19:38,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:19:38,646 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 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 [2022-12-13 22:19:38,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:19:38,650 INFO L225 Difference]: With dead ends: 5947 [2022-12-13 22:19:38,650 INFO L226 Difference]: Without dead ends: 5719 [2022-12-13 22:19:38,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 22:19:38,651 INFO L413 NwaCegarLoop]: 2148 mSDtfsCounter, 16302 mSDsluCounter, 7364 mSDsCounter, 0 mSdLazyCounter, 7798 mSolverCounterSat, 462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16302 SdHoareTripleChecker+Valid, 9512 SdHoareTripleChecker+Invalid, 8260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 462 IncrementalHoareTripleChecker+Valid, 7798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:19:38,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16302 Valid, 9512 Invalid, 8260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [462 Valid, 7798 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 22:19:38,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5719 states. [2022-12-13 22:19:40,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5719 to 2722. [2022-12-13 22:19:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4238361266294228) internal successors, (3823), 2721 states have internal predecessors, (3823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3823 transitions. [2022-12-13 22:19:40,180 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3823 transitions. Word has length 132 [2022-12-13 22:19:40,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:19:40,180 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3823 transitions. [2022-12-13 22:19:40,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 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) [2022-12-13 22:19:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3823 transitions. [2022-12-13 22:19:40,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:19:40,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:19:40,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:19:40,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-12-13 22:19:40,182 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)] === [2022-12-13 22:19:40,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:40,182 INFO L85 PathProgramCache]: Analyzing trace with hash -218186945, now seen corresponding path program 1 times [2022-12-13 22:19:40,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:40,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561501815] [2022-12-13 22:19:40,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:40,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:40,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:40,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561501815] [2022-12-13 22:19:40,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561501815] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:19:40,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:19:40,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:19:40,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460350952] [2022-12-13 22:19:40,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:19:40,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:19:40,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:40,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:19:40,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:19:40,389 INFO L87 Difference]: Start difference. First operand 2722 states and 3823 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:46,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:46,936 INFO L93 Difference]: Finished difference Result 4599 states and 6451 transitions. [2022-12-13 22:19:46,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:19:46,936 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:19:46,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:19:46,939 INFO L225 Difference]: With dead ends: 4599 [2022-12-13 22:19:46,939 INFO L226 Difference]: Without dead ends: 4399 [2022-12-13 22:19:46,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:19:46,940 INFO L413 NwaCegarLoop]: 1629 mSDtfsCounter, 9898 mSDsluCounter, 5282 mSDsCounter, 0 mSdLazyCounter, 5780 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9898 SdHoareTripleChecker+Valid, 6911 SdHoareTripleChecker+Invalid, 5787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:19:46,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9898 Valid, 6911 Invalid, 5787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5780 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:19:46,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-12-13 22:19:48,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2722. [2022-12-13 22:19:48,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4230912476722533) internal successors, (3821), 2721 states have internal predecessors, (3821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3821 transitions. [2022-12-13 22:19:48,461 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3821 transitions. Word has length 132 [2022-12-13 22:19:48,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:19:48,461 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3821 transitions. [2022-12-13 22:19:48,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:48,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3821 transitions. [2022-12-13 22:19:48,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:19:48,463 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:19:48,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:19:48,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-12-13 22:19:48,463 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)] === [2022-12-13 22:19:48,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:48,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1307976641, now seen corresponding path program 1 times [2022-12-13 22:19:48,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:48,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040931514] [2022-12-13 22:19:48,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:48,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:48,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:48,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:48,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040931514] [2022-12-13 22:19:48,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040931514] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:19:48,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:19:48,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:19:48,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401497002] [2022-12-13 22:19:48,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:19:48,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:19:48,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:48,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:19:48,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:19:48,668 INFO L87 Difference]: Start difference. First operand 2722 states and 3821 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:55,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:55,427 INFO L93 Difference]: Finished difference Result 4595 states and 6445 transitions. [2022-12-13 22:19:55,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:19:55,428 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:19:55,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:19:55,431 INFO L225 Difference]: With dead ends: 4595 [2022-12-13 22:19:55,431 INFO L226 Difference]: Without dead ends: 4399 [2022-12-13 22:19:55,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:19:55,432 INFO L413 NwaCegarLoop]: 1629 mSDtfsCounter, 9894 mSDsluCounter, 5282 mSDsCounter, 0 mSdLazyCounter, 5778 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9894 SdHoareTripleChecker+Valid, 6911 SdHoareTripleChecker+Invalid, 5785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:19:55,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9894 Valid, 6911 Invalid, 5785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5778 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 22:19:55,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-12-13 22:19:56,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2722. [2022-12-13 22:19:56,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.422346368715084) internal successors, (3819), 2721 states have internal predecessors, (3819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:56,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3819 transitions. [2022-12-13 22:19:56,963 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3819 transitions. Word has length 132 [2022-12-13 22:19:56,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:19:56,963 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3819 transitions. [2022-12-13 22:19:56,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:19:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3819 transitions. [2022-12-13 22:19:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:19:56,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:19:56,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:19:56,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-12-13 22:19:56,965 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)] === [2022-12-13 22:19:56,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:56,966 INFO L85 PathProgramCache]: Analyzing trace with hash 499671177, now seen corresponding path program 1 times [2022-12-13 22:19:56,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:56,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558243183] [2022-12-13 22:19:56,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:56,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:57,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:57,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558243183] [2022-12-13 22:19:57,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558243183] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:19:57,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:19:57,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:19:57,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28534935] [2022-12-13 22:19:57,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:19:57,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:19:57,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:57,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:19:57,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:19:57,167 INFO L87 Difference]: Start difference. First operand 2722 states and 3819 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:03,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:20:03,261 INFO L93 Difference]: Finished difference Result 4405 states and 6124 transitions. [2022-12-13 22:20:03,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:20:03,261 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:20:03,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:20:03,264 INFO L225 Difference]: With dead ends: 4405 [2022-12-13 22:20:03,264 INFO L226 Difference]: Without dead ends: 4221 [2022-12-13 22:20:03,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:20:03,265 INFO L413 NwaCegarLoop]: 1496 mSDtfsCounter, 7037 mSDsluCounter, 4613 mSDsCounter, 0 mSdLazyCounter, 5544 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7037 SdHoareTripleChecker+Valid, 6109 SdHoareTripleChecker+Invalid, 5550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:20:03,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7037 Valid, 6109 Invalid, 5550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5544 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 22:20:03,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4221 states. [2022-12-13 22:20:04,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4221 to 2722. [2022-12-13 22:20:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4216014897579143) internal successors, (3817), 2721 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) [2022-12-13 22:20:04,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3817 transitions. [2022-12-13 22:20:04,808 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3817 transitions. Word has length 132 [2022-12-13 22:20:04,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:20:04,808 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3817 transitions. [2022-12-13 22:20:04,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:04,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3817 transitions. [2022-12-13 22:20:04,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:20:04,810 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:20:04,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:20:04,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-12-13 22:20:04,810 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)] === [2022-12-13 22:20:04,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:20:04,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1521022615, now seen corresponding path program 1 times [2022-12-13 22:20:04,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:20:04,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225857013] [2022-12-13 22:20:04,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:20:04,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:20:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:20:05,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:20:05,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:20:05,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225857013] [2022-12-13 22:20:05,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225857013] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:20:05,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:20:05,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:20:05,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428969362] [2022-12-13 22:20:05,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:20:05,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:20:05,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:20:05,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:20:05,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:20:05,004 INFO L87 Difference]: Start difference. First operand 2722 states and 3817 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:11,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:20:11,525 INFO L93 Difference]: Finished difference Result 4599 states and 6441 transitions. [2022-12-13 22:20:11,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:20:11,525 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:20:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:20:11,528 INFO L225 Difference]: With dead ends: 4599 [2022-12-13 22:20:11,528 INFO L226 Difference]: Without dead ends: 4399 [2022-12-13 22:20:11,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:20:11,529 INFO L413 NwaCegarLoop]: 1697 mSDtfsCounter, 6516 mSDsluCounter, 5481 mSDsCounter, 0 mSdLazyCounter, 5996 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6516 SdHoareTripleChecker+Valid, 7178 SdHoareTripleChecker+Invalid, 6001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 5996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:20:11,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6516 Valid, 7178 Invalid, 6001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 5996 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:20:11,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-12-13 22:20:13,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2722. [2022-12-13 22:20:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4208566108007448) internal successors, (3815), 2721 states have internal predecessors, (3815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:20:13,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3815 transitions. [2022-12-13 22:20:13,075 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3815 transitions. Word has length 132 [2022-12-13 22:20:13,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:20:13,076 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3815 transitions. [2022-12-13 22:20:13,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3815 transitions. [2022-12-13 22:20:13,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:20:13,077 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:20:13,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:20:13,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-12-13 22:20:13,078 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)] === [2022-12-13 22:20:13,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:20:13,078 INFO L85 PathProgramCache]: Analyzing trace with hash -129024347, now seen corresponding path program 1 times [2022-12-13 22:20:13,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:20:13,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595126293] [2022-12-13 22:20:13,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:20:13,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:20:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:20:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:20:13,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:20:13,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595126293] [2022-12-13 22:20:13,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595126293] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:20:13,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:20:13,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:20:13,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208447109] [2022-12-13 22:20:13,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:20:13,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:20:13,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:20:13,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:20:13,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:20:13,293 INFO L87 Difference]: Start difference. First operand 2722 states and 3815 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:19,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:20:19,749 INFO L93 Difference]: Finished difference Result 4405 states and 6120 transitions. [2022-12-13 22:20:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:20:19,749 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:20:19,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:20:19,752 INFO L225 Difference]: With dead ends: 4405 [2022-12-13 22:20:19,752 INFO L226 Difference]: Without dead ends: 4221 [2022-12-13 22:20:19,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:20:19,753 INFO L413 NwaCegarLoop]: 1501 mSDtfsCounter, 10157 mSDsluCounter, 4624 mSDsCounter, 0 mSdLazyCounter, 5559 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10157 SdHoareTripleChecker+Valid, 6125 SdHoareTripleChecker+Invalid, 5566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:20:19,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10157 Valid, 6125 Invalid, 5566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5559 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:20:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4221 states. [2022-12-13 22:20:21,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4221 to 2722. [2022-12-13 22:20:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4201117318435754) internal successors, (3813), 2721 states have internal predecessors, (3813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:20:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3813 transitions. [2022-12-13 22:20:21,325 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3813 transitions. Word has length 132 [2022-12-13 22:20:21,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:20:21,325 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3813 transitions. [2022-12-13 22:20:21,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3813 transitions. [2022-12-13 22:20:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:20:21,326 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:20:21,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:20:21,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-12-13 22:20:21,327 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)] === [2022-12-13 22:20:21,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:20:21,327 INFO L85 PathProgramCache]: Analyzing trace with hash -600825993, now seen corresponding path program 1 times [2022-12-13 22:20:21,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:20:21,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306375890] [2022-12-13 22:20:21,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:20:21,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:20:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:20:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:20:21,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:20:21,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306375890] [2022-12-13 22:20:21,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306375890] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:20:21,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:20:21,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:20:21,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173148074] [2022-12-13 22:20:21,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:20:21,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:20:21,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:20:21,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:20:21,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:20:21,557 INFO L87 Difference]: Start difference. First operand 2722 states and 3813 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:27,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:20:27,806 INFO L93 Difference]: Finished difference Result 4595 states and 6431 transitions. [2022-12-13 22:20:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:20:27,807 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:20:27,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:20:27,810 INFO L225 Difference]: With dead ends: 4595 [2022-12-13 22:20:27,810 INFO L226 Difference]: Without dead ends: 4399 [2022-12-13 22:20:27,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-12-13 22:20:27,810 INFO L413 NwaCegarLoop]: 1629 mSDtfsCounter, 13169 mSDsluCounter, 5282 mSDsCounter, 0 mSdLazyCounter, 5755 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13169 SdHoareTripleChecker+Valid, 6911 SdHoareTripleChecker+Invalid, 5762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:20:27,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13169 Valid, 6911 Invalid, 5762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5755 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:20:27,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-12-13 22:20:29,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2722. [2022-12-13 22:20:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4193668528864058) internal successors, (3811), 2721 states have internal predecessors, (3811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:20:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3811 transitions. [2022-12-13 22:20:29,387 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3811 transitions. Word has length 132 [2022-12-13 22:20:29,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:20:29,387 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3811 transitions. [2022-12-13 22:20:29,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:29,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3811 transitions. [2022-12-13 22:20:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:20:29,389 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:20:29,389 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] [2022-12-13 22:20:29,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-12-13 22:20:29,389 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:20:29,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:20:29,390 INFO L85 PathProgramCache]: Analyzing trace with hash 75738105, now seen corresponding path program 1 times [2022-12-13 22:20:29,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:20:29,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713431981] [2022-12-13 22:20:29,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:20:29,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:20:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:20:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:20:29,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:20:29,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713431981] [2022-12-13 22:20:29,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713431981] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:20:29,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:20:29,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:20:29,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510718557] [2022-12-13 22:20:29,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:20:29,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:20:29,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:20:29,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:20:29,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:20:29,593 INFO L87 Difference]: Start difference. First operand 2722 states and 3811 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:35,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:20:35,971 INFO L93 Difference]: Finished difference Result 4705 states and 6626 transitions. [2022-12-13 22:20:35,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:20:35,971 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:20:35,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:20:35,974 INFO L225 Difference]: With dead ends: 4705 [2022-12-13 22:20:35,974 INFO L226 Difference]: Without dead ends: 4483 [2022-12-13 22:20:35,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:20:35,975 INFO L413 NwaCegarLoop]: 2072 mSDtfsCounter, 11275 mSDsluCounter, 6618 mSDsCounter, 0 mSdLazyCounter, 7042 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11275 SdHoareTripleChecker+Valid, 8690 SdHoareTripleChecker+Invalid, 7049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:20:35,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11275 Valid, 8690 Invalid, 7049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7042 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 22:20:35,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2022-12-13 22:20:37,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2722. [2022-12-13 22:20:37,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4186219739292365) internal successors, (3809), 2721 states have internal predecessors, (3809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:20:37,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3809 transitions. [2022-12-13 22:20:37,560 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3809 transitions. Word has length 132 [2022-12-13 22:20:37,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:20:37,560 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3809 transitions. [2022-12-13 22:20:37,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:37,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3809 transitions. [2022-12-13 22:20:37,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:20:37,562 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:20:37,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:20:37,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-12-13 22:20:37,562 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:20:37,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:20:37,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1837784029, now seen corresponding path program 1 times [2022-12-13 22:20:37,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:20:37,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533504572] [2022-12-13 22:20:37,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:20:37,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:20:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:20:37,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:20:37,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:20:37,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533504572] [2022-12-13 22:20:37,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533504572] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:20:37,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:20:37,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:20:37,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13548462] [2022-12-13 22:20:37,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:20:37,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:20:37,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:20:37,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:20:37,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:20:37,759 INFO L87 Difference]: Start difference. First operand 2722 states and 3809 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:44,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:20:44,411 INFO L93 Difference]: Finished difference Result 4601 states and 6432 transitions. [2022-12-13 22:20:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:20:44,412 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:20:44,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:20:44,415 INFO L225 Difference]: With dead ends: 4601 [2022-12-13 22:20:44,415 INFO L226 Difference]: Without dead ends: 4399 [2022-12-13 22:20:44,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:20:44,415 INFO L413 NwaCegarLoop]: 1643 mSDtfsCounter, 9821 mSDsluCounter, 5321 mSDsCounter, 0 mSdLazyCounter, 5795 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9821 SdHoareTripleChecker+Valid, 6964 SdHoareTripleChecker+Invalid, 5802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:20:44,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9821 Valid, 6964 Invalid, 5802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5795 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 22:20:44,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-12-13 22:20:46,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2722. [2022-12-13 22:20:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.417877094972067) internal successors, (3807), 2721 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) [2022-12-13 22:20:46,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3807 transitions. [2022-12-13 22:20:46,011 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3807 transitions. Word has length 132 [2022-12-13 22:20:46,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:20:46,012 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3807 transitions. [2022-12-13 22:20:46,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:46,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3807 transitions. [2022-12-13 22:20:46,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:20:46,013 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:20:46,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:20:46,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-12-13 22:20:46,013 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:20:46,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:20:46,014 INFO L85 PathProgramCache]: Analyzing trace with hash -136140937, now seen corresponding path program 1 times [2022-12-13 22:20:46,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:20:46,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112606671] [2022-12-13 22:20:46,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:20:46,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:20:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:20:46,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:20:46,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:20:46,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112606671] [2022-12-13 22:20:46,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112606671] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:20:46,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:20:46,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:20:46,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344496459] [2022-12-13 22:20:46,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:20:46,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:20:46,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:20:46,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:20:46,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:20:46,212 INFO L87 Difference]: Start difference. First operand 2722 states and 3807 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:52,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:20:52,632 INFO L93 Difference]: Finished difference Result 4416 states and 6151 transitions. [2022-12-13 22:20:52,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:20:52,632 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:20:52,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:20:52,635 INFO L225 Difference]: With dead ends: 4416 [2022-12-13 22:20:52,635 INFO L226 Difference]: Without dead ends: 4399 [2022-12-13 22:20:52,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:20:52,636 INFO L413 NwaCegarLoop]: 1643 mSDtfsCounter, 9804 mSDsluCounter, 5311 mSDsCounter, 0 mSdLazyCounter, 5793 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9804 SdHoareTripleChecker+Valid, 6954 SdHoareTripleChecker+Invalid, 5799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:20:52,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9804 Valid, 6954 Invalid, 5799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5793 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:20:52,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-12-13 22:20:54,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2722. [2022-12-13 22:20:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4171322160148976) internal successors, (3805), 2721 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) [2022-12-13 22:20:54,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3805 transitions. [2022-12-13 22:20:54,249 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3805 transitions. Word has length 132 [2022-12-13 22:20:54,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:20:54,249 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3805 transitions. [2022-12-13 22:20:54,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:20:54,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3805 transitions. [2022-12-13 22:20:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:20:54,251 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:20:54,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:20:54,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-12-13 22:20:54,251 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:20:54,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:20:54,251 INFO L85 PathProgramCache]: Analyzing trace with hash -2048338039, now seen corresponding path program 1 times [2022-12-13 22:20:54,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:20:54,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711048780] [2022-12-13 22:20:54,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:20:54,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:20:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:20:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:20:54,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:20:54,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711048780] [2022-12-13 22:20:54,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711048780] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:20:54,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:20:54,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:20:54,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760530354] [2022-12-13 22:20:54,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:20:54,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:20:54,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:20:54,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:20:54,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:20:54,453 INFO L87 Difference]: Start difference. First operand 2722 states and 3805 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:00,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:21:00,851 INFO L93 Difference]: Finished difference Result 4226 states and 5838 transitions. [2022-12-13 22:21:00,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:21:00,852 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:21:00,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:21:00,855 INFO L225 Difference]: With dead ends: 4226 [2022-12-13 22:21:00,855 INFO L226 Difference]: Without dead ends: 4221 [2022-12-13 22:21:00,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:21:00,855 INFO L413 NwaCegarLoop]: 1527 mSDtfsCounter, 13082 mSDsluCounter, 4702 mSDsCounter, 0 mSdLazyCounter, 5595 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13082 SdHoareTripleChecker+Valid, 6229 SdHoareTripleChecker+Invalid, 5602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:21:00,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13082 Valid, 6229 Invalid, 5602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5595 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 22:21:00,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4221 states. [2022-12-13 22:21:02,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4221 to 2722. [2022-12-13 22:21:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.416387337057728) internal successors, (3803), 2721 states have internal predecessors, (3803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:21:02,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3803 transitions. [2022-12-13 22:21:02,465 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3803 transitions. Word has length 132 [2022-12-13 22:21:02,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:21:02,465 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3803 transitions. [2022-12-13 22:21:02,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3803 transitions. [2022-12-13 22:21:02,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:21:02,467 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:21:02,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:21:02,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-12-13 22:21:02,467 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:21:02,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:21:02,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1985606734, now seen corresponding path program 1 times [2022-12-13 22:21:02,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:21:02,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944462182] [2022-12-13 22:21:02,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:21:02,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:21:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:21:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:21:02,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:21:02,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944462182] [2022-12-13 22:21:02,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944462182] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:21:02,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:21:02,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:21:02,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537948122] [2022-12-13 22:21:02,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:21:02,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:21:02,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:21:02,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:21:02,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:21:02,703 INFO L87 Difference]: Start difference. First operand 2722 states and 3803 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:09,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:21:09,843 INFO L93 Difference]: Finished difference Result 4711 states and 6615 transitions. [2022-12-13 22:21:09,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:21:09,844 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:21:09,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:21:09,847 INFO L225 Difference]: With dead ends: 4711 [2022-12-13 22:21:09,847 INFO L226 Difference]: Without dead ends: 4483 [2022-12-13 22:21:09,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:21:09,847 INFO L413 NwaCegarLoop]: 1941 mSDtfsCounter, 8616 mSDsluCounter, 7258 mSDsCounter, 0 mSdLazyCounter, 7327 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8616 SdHoareTripleChecker+Valid, 9199 SdHoareTripleChecker+Invalid, 7333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:21:09,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8616 Valid, 9199 Invalid, 7333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7327 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 22:21:09,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2022-12-13 22:21:11,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2722. [2022-12-13 22:21:11,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4156424581005587) internal successors, (3801), 2721 states have internal predecessors, (3801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:21:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3801 transitions. [2022-12-13 22:21:11,486 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3801 transitions. Word has length 132 [2022-12-13 22:21:11,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:21:11,486 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3801 transitions. [2022-12-13 22:21:11,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3801 transitions. [2022-12-13 22:21:11,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:21:11,487 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:21:11,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:21:11,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-12-13 22:21:11,488 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:21:11,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:21:11,488 INFO L85 PathProgramCache]: Analyzing trace with hash 353749652, now seen corresponding path program 1 times [2022-12-13 22:21:11,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:21:11,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126483229] [2022-12-13 22:21:11,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:21:11,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:21:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:21:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:21:11,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:21:11,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126483229] [2022-12-13 22:21:11,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126483229] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:21:11,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:21:11,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:21:11,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554518546] [2022-12-13 22:21:11,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:21:11,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:21:11,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:21:11,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:21:11,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:21:11,685 INFO L87 Difference]: Start difference. First operand 2722 states and 3801 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:17,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:21:17,737 INFO L93 Difference]: Finished difference Result 4599 states and 6419 transitions. [2022-12-13 22:21:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:21:17,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:21:17,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:21:17,740 INFO L225 Difference]: With dead ends: 4599 [2022-12-13 22:21:17,740 INFO L226 Difference]: Without dead ends: 4399 [2022-12-13 22:21:17,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:21:17,741 INFO L413 NwaCegarLoop]: 1660 mSDtfsCounter, 12877 mSDsluCounter, 5375 mSDsCounter, 0 mSdLazyCounter, 5839 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12877 SdHoareTripleChecker+Valid, 7035 SdHoareTripleChecker+Invalid, 5846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:21:17,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12877 Valid, 7035 Invalid, 5846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5839 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:21:17,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-12-13 22:21:19,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2722. [2022-12-13 22:21:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.414897579143389) internal successors, (3799), 2721 states have internal predecessors, (3799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:21:19,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3799 transitions. [2022-12-13 22:21:19,395 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3799 transitions. Word has length 132 [2022-12-13 22:21:19,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:21:19,395 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3799 transitions. [2022-12-13 22:21:19,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:19,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3799 transitions. [2022-12-13 22:21:19,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:21:19,396 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:21:19,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:21:19,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-12-13 22:21:19,397 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:21:19,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:21:19,397 INFO L85 PathProgramCache]: Analyzing trace with hash 393243275, now seen corresponding path program 1 times [2022-12-13 22:21:19,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:21:19,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19693518] [2022-12-13 22:21:19,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:21:19,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:21:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:21:19,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:21:19,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:21:19,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19693518] [2022-12-13 22:21:19,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19693518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:21:19,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:21:19,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:21:19,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139122600] [2022-12-13 22:21:19,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:21:19,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:21:19,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:21:19,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:21:19,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:21:19,590 INFO L87 Difference]: Start difference. First operand 2722 states and 3799 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:26,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:21:26,150 INFO L93 Difference]: Finished difference Result 4409 states and 6106 transitions. [2022-12-13 22:21:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:21:26,150 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:21:26,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:21:26,153 INFO L225 Difference]: With dead ends: 4409 [2022-12-13 22:21:26,153 INFO L226 Difference]: Without dead ends: 4221 [2022-12-13 22:21:26,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:21:26,154 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 10020 mSDsluCounter, 4717 mSDsCounter, 0 mSdLazyCounter, 5610 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10020 SdHoareTripleChecker+Valid, 6249 SdHoareTripleChecker+Invalid, 5617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:21:26,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10020 Valid, 6249 Invalid, 5617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5610 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 22:21:26,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4221 states. [2022-12-13 22:21:27,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4221 to 2722. [2022-12-13 22:21:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4141527001862197) internal successors, (3797), 2721 states have internal predecessors, (3797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:21:27,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3797 transitions. [2022-12-13 22:21:27,813 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3797 transitions. Word has length 132 [2022-12-13 22:21:27,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:21:27,813 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3797 transitions. [2022-12-13 22:21:27,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3797 transitions. [2022-12-13 22:21:27,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:21:27,815 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:21:27,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:21:27,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-12-13 22:21:27,815 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)] === [2022-12-13 22:21:27,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:21:27,815 INFO L85 PathProgramCache]: Analyzing trace with hash 2025100357, now seen corresponding path program 1 times [2022-12-13 22:21:27,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:21:27,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78940765] [2022-12-13 22:21:27,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:21:27,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:21:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:21:28,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:21:28,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:21:28,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78940765] [2022-12-13 22:21:28,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78940765] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:21:28,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:21:28,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:21:28,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6433249] [2022-12-13 22:21:28,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:21:28,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:21:28,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:21:28,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:21:28,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:21:28,195 INFO L87 Difference]: Start difference. First operand 2722 states and 3797 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 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) [2022-12-13 22:21:40,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:21:40,302 INFO L93 Difference]: Finished difference Result 5947 states and 8426 transitions. [2022-12-13 22:21:40,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:21:40,303 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 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 [2022-12-13 22:21:40,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:21:40,306 INFO L225 Difference]: With dead ends: 5947 [2022-12-13 22:21:40,306 INFO L226 Difference]: Without dead ends: 5719 [2022-12-13 22:21:40,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 22:21:40,307 INFO L413 NwaCegarLoop]: 2131 mSDtfsCounter, 18502 mSDsluCounter, 9538 mSDsCounter, 0 mSdLazyCounter, 9524 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18502 SdHoareTripleChecker+Valid, 11669 SdHoareTripleChecker+Invalid, 9979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 9524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:21:40,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18502 Valid, 11669 Invalid, 9979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 9524 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-13 22:21:40,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5719 states. [2022-12-13 22:21:41,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5719 to 2730. [2022-12-13 22:21:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4129223913850724) internal successors, (3805), 2729 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) [2022-12-13 22:21:41,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3805 transitions. [2022-12-13 22:21:41,993 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3805 transitions. Word has length 132 [2022-12-13 22:21:41,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:21:41,994 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3805 transitions. [2022-12-13 22:21:41,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 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) [2022-12-13 22:21:41,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3805 transitions. [2022-12-13 22:21:41,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:21:41,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:21:41,995 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] [2022-12-13 22:21:41,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-12-13 22:21:41,995 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:21:41,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:21:41,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1423056016, now seen corresponding path program 1 times [2022-12-13 22:21:41,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:21:41,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190546414] [2022-12-13 22:21:41,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:21:41,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:21:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:21:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:21:42,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:21:42,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190546414] [2022-12-13 22:21:42,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190546414] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:21:42,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:21:42,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:21:42,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513041491] [2022-12-13 22:21:42,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:21:42,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:21:42,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:21:42,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:21:42,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:21:42,190 INFO L87 Difference]: Start difference. First operand 2730 states and 3805 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:49,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:21:49,343 INFO L93 Difference]: Finished difference Result 4413 states and 6106 transitions. [2022-12-13 22:21:49,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:21:49,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:21:49,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:21:49,347 INFO L225 Difference]: With dead ends: 4413 [2022-12-13 22:21:49,347 INFO L226 Difference]: Without dead ends: 4229 [2022-12-13 22:21:49,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:21:49,348 INFO L413 NwaCegarLoop]: 1531 mSDtfsCounter, 10012 mSDsluCounter, 4714 mSDsCounter, 0 mSdLazyCounter, 5611 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10012 SdHoareTripleChecker+Valid, 6245 SdHoareTripleChecker+Invalid, 5618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:21:49,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10012 Valid, 6245 Invalid, 5618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5611 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:21:49,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4229 states. [2022-12-13 22:21:51,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4229 to 2730. [2022-12-13 22:21:51,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4121797252135164) internal successors, (3803), 2729 states have internal predecessors, (3803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:21:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3803 transitions. [2022-12-13 22:21:51,046 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3803 transitions. Word has length 132 [2022-12-13 22:21:51,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:21:51,046 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3803 transitions. [2022-12-13 22:21:51,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3803 transitions. [2022-12-13 22:21:51,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:21:51,048 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:21:51,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:21:51,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-12-13 22:21:51,048 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:21:51,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:21:51,048 INFO L85 PathProgramCache]: Analyzing trace with hash 384591802, now seen corresponding path program 1 times [2022-12-13 22:21:51,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:21:51,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078045073] [2022-12-13 22:21:51,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:21:51,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:21:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:21:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:21:51,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:21:51,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078045073] [2022-12-13 22:21:51,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078045073] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:21:51,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:21:51,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:21:51,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860164551] [2022-12-13 22:21:51,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:21:51,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:21:51,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:21:51,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:21:51,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:21:51,248 INFO L87 Difference]: Start difference. First operand 2730 states and 3803 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:57,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:21:57,754 INFO L93 Difference]: Finished difference Result 4413 states and 6102 transitions. [2022-12-13 22:21:57,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:21:57,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:21:57,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:21:57,758 INFO L225 Difference]: With dead ends: 4413 [2022-12-13 22:21:57,758 INFO L226 Difference]: Without dead ends: 4229 [2022-12-13 22:21:57,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:21:57,759 INFO L413 NwaCegarLoop]: 1531 mSDtfsCounter, 9949 mSDsluCounter, 4718 mSDsCounter, 0 mSdLazyCounter, 5603 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9949 SdHoareTripleChecker+Valid, 6249 SdHoareTripleChecker+Invalid, 5609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:21:57,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9949 Valid, 6249 Invalid, 5609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5603 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:21:57,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4229 states. [2022-12-13 22:21:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4229 to 2730. [2022-12-13 22:21:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4114370590419607) internal successors, (3801), 2729 states have internal predecessors, (3801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:21:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3801 transitions. [2022-12-13 22:21:59,466 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3801 transitions. Word has length 132 [2022-12-13 22:21:59,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:21:59,466 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3801 transitions. [2022-12-13 22:21:59,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:21:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3801 transitions. [2022-12-13 22:21:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:21:59,467 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:21:59,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:21:59,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-12-13 22:21:59,468 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)] === [2022-12-13 22:21:59,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:21:59,468 INFO L85 PathProgramCache]: Analyzing trace with hash 2132452835, now seen corresponding path program 1 times [2022-12-13 22:21:59,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:21:59,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289316606] [2022-12-13 22:21:59,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:21:59,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:21:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:21:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:21:59,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:21:59,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289316606] [2022-12-13 22:21:59,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289316606] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:21:59,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:21:59,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:21:59,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752714105] [2022-12-13 22:21:59,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:21:59,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:21:59,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:21:59,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:21:59,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:21:59,704 INFO L87 Difference]: Start difference. First operand 2730 states and 3801 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:07,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:22:07,130 INFO L93 Difference]: Finished difference Result 4705 states and 6594 transitions. [2022-12-13 22:22:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:22:07,130 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:22:07,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:22:07,133 INFO L225 Difference]: With dead ends: 4705 [2022-12-13 22:22:07,133 INFO L226 Difference]: Without dead ends: 4483 [2022-12-13 22:22:07,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:22:07,134 INFO L413 NwaCegarLoop]: 1983 mSDtfsCounter, 8399 mSDsluCounter, 7269 mSDsCounter, 0 mSdLazyCounter, 7353 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8399 SdHoareTripleChecker+Valid, 9252 SdHoareTripleChecker+Invalid, 7359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:22:07,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8399 Valid, 9252 Invalid, 7359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7353 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 22:22:07,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2022-12-13 22:22:08,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2730. [2022-12-13 22:22:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4106943928704048) internal successors, (3799), 2729 states have internal predecessors, (3799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:22:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3799 transitions. [2022-12-13 22:22:08,871 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3799 transitions. Word has length 132 [2022-12-13 22:22:08,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:22:08,871 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3799 transitions. [2022-12-13 22:22:08,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:08,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3799 transitions. [2022-12-13 22:22:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:22:08,873 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:22:08,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:22:08,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-12-13 22:22:08,873 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)] === [2022-12-13 22:22:08,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:22:08,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1354091691, now seen corresponding path program 1 times [2022-12-13 22:22:08,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:22:08,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104546492] [2022-12-13 22:22:08,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:22:08,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:22:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:22:09,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:22:09,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:22:09,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104546492] [2022-12-13 22:22:09,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104546492] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:22:09,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:22:09,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:22:09,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452518801] [2022-12-13 22:22:09,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:22:09,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:22:09,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:22:09,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:22:09,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:22:09,093 INFO L87 Difference]: Start difference. First operand 2730 states and 3799 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:15,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:22:15,956 INFO L93 Difference]: Finished difference Result 4715 states and 6605 transitions. [2022-12-13 22:22:15,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:22:15,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:22:15,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:22:15,959 INFO L225 Difference]: With dead ends: 4715 [2022-12-13 22:22:15,959 INFO L226 Difference]: Without dead ends: 4483 [2022-12-13 22:22:15,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:22:15,960 INFO L413 NwaCegarLoop]: 1924 mSDtfsCounter, 8635 mSDsluCounter, 8003 mSDsCounter, 0 mSdLazyCounter, 7848 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8635 SdHoareTripleChecker+Valid, 9927 SdHoareTripleChecker+Invalid, 7854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:22:15,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8635 Valid, 9927 Invalid, 7854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7848 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:22:15,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2022-12-13 22:22:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2730. [2022-12-13 22:22:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4099517266988488) internal successors, (3797), 2729 states have internal predecessors, (3797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:22:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3797 transitions. [2022-12-13 22:22:17,679 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3797 transitions. Word has length 132 [2022-12-13 22:22:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:22:17,679 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3797 transitions. [2022-12-13 22:22:17,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3797 transitions. [2022-12-13 22:22:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:22:17,681 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:22:17,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:22:17,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-12-13 22:22:17,681 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:22:17,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:22:17,681 INFO L85 PathProgramCache]: Analyzing trace with hash -277765391, now seen corresponding path program 1 times [2022-12-13 22:22:17,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:22:17,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882755544] [2022-12-13 22:22:17,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:22:17,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:22:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:22:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:22:17,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:22:17,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882755544] [2022-12-13 22:22:17,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882755544] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:22:17,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:22:17,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:22:17,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905963018] [2022-12-13 22:22:17,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:22:17,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:22:17,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:22:17,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:22:17,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:22:17,878 INFO L87 Difference]: Start difference. First operand 2730 states and 3797 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:24,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:22:24,112 INFO L93 Difference]: Finished difference Result 4607 states and 6413 transitions. [2022-12-13 22:22:24,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:22:24,112 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:22:24,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:22:24,115 INFO L225 Difference]: With dead ends: 4607 [2022-12-13 22:22:24,115 INFO L226 Difference]: Without dead ends: 4407 [2022-12-13 22:22:24,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:22:24,116 INFO L413 NwaCegarLoop]: 1693 mSDtfsCounter, 12669 mSDsluCounter, 5473 mSDsCounter, 0 mSdLazyCounter, 5919 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12669 SdHoareTripleChecker+Valid, 7166 SdHoareTripleChecker+Invalid, 5926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:22:24,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12669 Valid, 7166 Invalid, 5926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5919 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:22:24,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2022-12-13 22:22:25,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 2730. [2022-12-13 22:22:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.409209060527293) internal successors, (3795), 2729 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) [2022-12-13 22:22:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3795 transitions. [2022-12-13 22:22:25,847 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3795 transitions. Word has length 132 [2022-12-13 22:22:25,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:22:25,847 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3795 transitions. [2022-12-13 22:22:25,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:25,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3795 transitions. [2022-12-13 22:22:25,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:22:25,848 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:22:25,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:22:25,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-12-13 22:22:25,848 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:22:25,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:22:25,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1205381244, now seen corresponding path program 1 times [2022-12-13 22:22:25,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:22:25,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828429773] [2022-12-13 22:22:25,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:22:25,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:22:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:22:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:22:26,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:22:26,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828429773] [2022-12-13 22:22:26,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828429773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:22:26,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:22:26,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:22:26,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324975699] [2022-12-13 22:22:26,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:22:26,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:22:26,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:22:26,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:22:26,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:22:26,041 INFO L87 Difference]: Start difference. First operand 2730 states and 3795 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:32,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:22:32,292 INFO L93 Difference]: Finished difference Result 4613 states and 6418 transitions. [2022-12-13 22:22:32,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:22:32,293 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:22:32,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:22:32,296 INFO L225 Difference]: With dead ends: 4613 [2022-12-13 22:22:32,296 INFO L226 Difference]: Without dead ends: 4407 [2022-12-13 22:22:32,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:22:32,297 INFO L413 NwaCegarLoop]: 1693 mSDtfsCounter, 6464 mSDsluCounter, 5469 mSDsCounter, 0 mSdLazyCounter, 5913 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6464 SdHoareTripleChecker+Valid, 7162 SdHoareTripleChecker+Invalid, 5919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:22:32,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6464 Valid, 7162 Invalid, 5919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5913 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:22:32,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2022-12-13 22:22:34,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 2730. [2022-12-13 22:22:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4084663943557372) internal successors, (3793), 2729 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) [2022-12-13 22:22:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3793 transitions. [2022-12-13 22:22:34,037 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3793 transitions. Word has length 132 [2022-12-13 22:22:34,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:22:34,037 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3793 transitions. [2022-12-13 22:22:34,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:34,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3793 transitions. [2022-12-13 22:22:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:22:34,038 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:22:34,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:22:34,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-12-13 22:22:34,039 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:22:34,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:22:34,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1614226472, now seen corresponding path program 1 times [2022-12-13 22:22:34,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:22:34,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122882135] [2022-12-13 22:22:34,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:22:34,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:22:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:22:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:22:34,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:22:34,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122882135] [2022-12-13 22:22:34,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122882135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:22:34,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:22:34,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:22:34,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18874268] [2022-12-13 22:22:34,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:22:34,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:22:34,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:22:34,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:22:34,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:22:34,259 INFO L87 Difference]: Start difference. First operand 2730 states and 3793 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:41,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:22:41,548 INFO L93 Difference]: Finished difference Result 4723 states and 6607 transitions. [2022-12-13 22:22:41,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:22:41,549 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:22:41,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:22:41,552 INFO L225 Difference]: With dead ends: 4723 [2022-12-13 22:22:41,552 INFO L226 Difference]: Without dead ends: 4483 [2022-12-13 22:22:41,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:22:41,552 INFO L413 NwaCegarLoop]: 2060 mSDtfsCounter, 10680 mSDsluCounter, 6549 mSDsCounter, 0 mSdLazyCounter, 6862 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10680 SdHoareTripleChecker+Valid, 8609 SdHoareTripleChecker+Invalid, 6869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:22:41,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10680 Valid, 8609 Invalid, 6869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 6862 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 22:22:41,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2022-12-13 22:22:43,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2730. [2022-12-13 22:22:43,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4077237281841812) internal successors, (3791), 2729 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) [2022-12-13 22:22:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3791 transitions. [2022-12-13 22:22:43,302 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3791 transitions. Word has length 132 [2022-12-13 22:22:43,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:22:43,302 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3791 transitions. [2022-12-13 22:22:43,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:43,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3791 transitions. [2022-12-13 22:22:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:22:43,304 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:22:43,304 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] [2022-12-13 22:22:43,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-12-13 22:22:43,304 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:22:43,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:22:43,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1500937792, now seen corresponding path program 1 times [2022-12-13 22:22:43,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:22:43,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112835475] [2022-12-13 22:22:43,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:22:43,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:22:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:22:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:22:43,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:22:43,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112835475] [2022-12-13 22:22:43,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112835475] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:22:43,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:22:43,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:22:43,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107685445] [2022-12-13 22:22:43,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:22:43,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:22:43,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:22:43,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:22:43,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:22:43,509 INFO L87 Difference]: Start difference. First operand 2730 states and 3791 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:50,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:22:50,791 INFO L93 Difference]: Finished difference Result 4607 states and 6405 transitions. [2022-12-13 22:22:50,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:22:50,791 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:22:50,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:22:50,794 INFO L225 Difference]: With dead ends: 4607 [2022-12-13 22:22:50,794 INFO L226 Difference]: Without dead ends: 4407 [2022-12-13 22:22:50,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:22:50,795 INFO L413 NwaCegarLoop]: 1719 mSDtfsCounter, 9464 mSDsluCounter, 5548 mSDsCounter, 0 mSdLazyCounter, 5974 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9464 SdHoareTripleChecker+Valid, 7267 SdHoareTripleChecker+Invalid, 5980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:22:50,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9464 Valid, 7267 Invalid, 5980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5974 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:22:50,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2022-12-13 22:22:52,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 2730. [2022-12-13 22:22:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4069810620126253) internal successors, (3789), 2729 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) [2022-12-13 22:22:52,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3789 transitions. [2022-12-13 22:22:52,555 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3789 transitions. Word has length 132 [2022-12-13 22:22:52,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:22:52,555 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3789 transitions. [2022-12-13 22:22:52,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:22:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3789 transitions. [2022-12-13 22:22:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:22:52,557 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:22:52,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:22:52,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-12-13 22:22:52,557 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)] === [2022-12-13 22:22:52,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:22:52,557 INFO L85 PathProgramCache]: Analyzing trace with hash -238271768, now seen corresponding path program 1 times [2022-12-13 22:22:52,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:22:52,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095154516] [2022-12-13 22:22:52,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:22:52,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:22:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:22:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:22:52,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:22:52,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095154516] [2022-12-13 22:22:52,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095154516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:22:52,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:22:52,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:22:52,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625544128] [2022-12-13 22:22:52,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:22:52,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:22:52,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:22:52,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:22:52,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:22:52,764 INFO L87 Difference]: Start difference. First operand 2730 states and 3789 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:23:00,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:23:00,092 INFO L93 Difference]: Finished difference Result 4607 states and 6403 transitions. [2022-12-13 22:23:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:23:00,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:23:00,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:23:00,095 INFO L225 Difference]: With dead ends: 4607 [2022-12-13 22:23:00,095 INFO L226 Difference]: Without dead ends: 4407 [2022-12-13 22:23:00,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:23:00,096 INFO L413 NwaCegarLoop]: 1719 mSDtfsCounter, 12522 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 5966 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12522 SdHoareTripleChecker+Valid, 7270 SdHoareTripleChecker+Invalid, 5973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:23:00,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12522 Valid, 7270 Invalid, 5973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5966 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:23:00,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2022-12-13 22:23:01,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 2730. [2022-12-13 22:23:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4062383958410694) internal successors, (3787), 2729 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) [2022-12-13 22:23:01,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3787 transitions. [2022-12-13 22:23:01,877 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3787 transitions. Word has length 132 [2022-12-13 22:23:01,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:23:01,877 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3787 transitions. [2022-12-13 22:23:01,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:23:01,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3787 transitions. [2022-12-13 22:23:01,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:23:01,878 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:23:01,878 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, 1] [2022-12-13 22:23:01,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-12-13 22:23:01,879 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)] === [2022-12-13 22:23:01,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:23:01,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1393585314, now seen corresponding path program 1 times [2022-12-13 22:23:01,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:23:01,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404306292] [2022-12-13 22:23:01,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:23:01,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:23:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:02,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:23:02,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:23:02,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404306292] [2022-12-13 22:23:02,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404306292] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:23:02,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:23:02,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:23:02,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79665542] [2022-12-13 22:23:02,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:23:02,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:23:02,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:23:02,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:23:02,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:23:02,094 INFO L87 Difference]: Start difference. First operand 2730 states and 3787 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:23:09,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:23:09,758 INFO L93 Difference]: Finished difference Result 4715 states and 6587 transitions. [2022-12-13 22:23:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:23:09,758 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:23:09,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:23:09,761 INFO L225 Difference]: With dead ends: 4715 [2022-12-13 22:23:09,761 INFO L226 Difference]: Without dead ends: 4483 [2022-12-13 22:23:09,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:23:09,762 INFO L413 NwaCegarLoop]: 2119 mSDtfsCounter, 10543 mSDsluCounter, 6746 mSDsCounter, 0 mSdLazyCounter, 7057 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10543 SdHoareTripleChecker+Valid, 8865 SdHoareTripleChecker+Invalid, 7063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:23:09,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10543 Valid, 8865 Invalid, 7063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7057 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 22:23:09,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2022-12-13 22:23:11,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2730. [2022-12-13 22:23:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4054957296695136) internal successors, (3785), 2729 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) [2022-12-13 22:23:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3785 transitions. [2022-12-13 22:23:11,574 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3785 transitions. Word has length 132 [2022-12-13 22:23:11,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:23:11,574 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3785 transitions. [2022-12-13 22:23:11,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:23:11,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3785 transitions. [2022-12-13 22:23:11,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:23:11,575 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:23:11,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:23:11,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-12-13 22:23:11,576 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:23:11,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:23:11,576 INFO L85 PathProgramCache]: Analyzing trace with hash 598428797, now seen corresponding path program 1 times [2022-12-13 22:23:11,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:23:11,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489234869] [2022-12-13 22:23:11,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:23:11,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:23:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:23:11,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:23:11,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489234869] [2022-12-13 22:23:11,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489234869] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:23:11,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:23:11,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:23:11,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317353883] [2022-12-13 22:23:11,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:23:11,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:23:11,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:23:11,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:23:11,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:23:11,770 INFO L87 Difference]: Start difference. First operand 2730 states and 3785 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:23:18,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:23:18,772 INFO L93 Difference]: Finished difference Result 4613 states and 6406 transitions. [2022-12-13 22:23:18,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:23:18,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:23:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:23:18,777 INFO L225 Difference]: With dead ends: 4613 [2022-12-13 22:23:18,777 INFO L226 Difference]: Without dead ends: 4407 [2022-12-13 22:23:18,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:23:18,777 INFO L413 NwaCegarLoop]: 1738 mSDtfsCounter, 10609 mSDsluCounter, 5604 mSDsCounter, 0 mSdLazyCounter, 6012 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10609 SdHoareTripleChecker+Valid, 7342 SdHoareTripleChecker+Invalid, 6019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:23:18,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10609 Valid, 7342 Invalid, 6019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 6012 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:23:18,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2022-12-13 22:23:20,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 2730. [2022-12-13 22:23:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4047530634979577) internal successors, (3783), 2729 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) [2022-12-13 22:23:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3783 transitions. [2022-12-13 22:23:20,583 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3783 transitions. Word has length 132 [2022-12-13 22:23:20,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:23:20,583 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3783 transitions. [2022-12-13 22:23:20,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:23:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3783 transitions. [2022-12-13 22:23:20,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:23:20,585 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:23:20,585 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] [2022-12-13 22:23:20,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-12-13 22:23:20,585 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:23:20,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:23:20,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1375496169, now seen corresponding path program 1 times [2022-12-13 22:23:20,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:23:20,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603074081] [2022-12-13 22:23:20,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:23:20,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:23:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:20,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:23:20,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:23:20,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603074081] [2022-12-13 22:23:20,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603074081] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:23:20,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:23:20,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:23:20,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664564982] [2022-12-13 22:23:20,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:23:20,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:23:20,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:23:20,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:23:20,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:23:20,811 INFO L87 Difference]: Start difference. First operand 2730 states and 3783 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:23:27,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:23:27,883 INFO L93 Difference]: Finished difference Result 4723 states and 6589 transitions. [2022-12-13 22:23:27,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:23:27,884 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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 [2022-12-13 22:23:27,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:23:27,887 INFO L225 Difference]: With dead ends: 4723 [2022-12-13 22:23:27,887 INFO L226 Difference]: Without dead ends: 4483 [2022-12-13 22:23:27,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:23:27,888 INFO L413 NwaCegarLoop]: 2060 mSDtfsCounter, 8256 mSDsluCounter, 8143 mSDsCounter, 0 mSdLazyCounter, 8056 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8256 SdHoareTripleChecker+Valid, 10203 SdHoareTripleChecker+Invalid, 8062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:23:27,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8256 Valid, 10203 Invalid, 8062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8056 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 22:23:27,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2022-12-13 22:23:29,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2730. [2022-12-13 22:23:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4040103973264018) internal successors, (3781), 2729 states have internal predecessors, (3781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:23:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3781 transitions. [2022-12-13 22:23:29,694 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3781 transitions. Word has length 132 [2022-12-13 22:23:29,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:23:29,694 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3781 transitions. [2022-12-13 22:23:29,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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) [2022-12-13 22:23:29,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3781 transitions. [2022-12-13 22:23:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 22:23:29,696 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:23:29,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:23:29,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-12-13 22:23:29,696 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-13 22:23:29,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:23:29,696 INFO L85 PathProgramCache]: Analyzing trace with hash 966530972, now seen corresponding path program 1 times [2022-12-13 22:23:29,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:23:29,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843431550] [2022-12-13 22:23:29,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:23:29,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:23:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:23:29,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:23:29,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843431550] [2022-12-13 22:23:29,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843431550] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:23:29,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:23:29,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:23:29,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855978310] [2022-12-13 22:23:29,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:23:29,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:23:29,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:23:29,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:23:29,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:23:29,890 INFO L87 Difference]: Start difference. First operand 2730 states and 3781 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 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)