./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/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 ef1b718ec14fcc68d212ba49eb2094855200a064b5887a7f2eecdbae8074f363 --- 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 22:03:37,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:03:37,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:03:37,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:03:37,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:03:37,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:03:37,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:03:37,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:03:37,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:03:37,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:03:37,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:03:37,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:03:37,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:03:37,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:03:37,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:03:37,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:03:37,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:03:37,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:03:37,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:03:37,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:03:37,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:03:37,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:03:37,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:03:37,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:03:37,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:03:37,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:03:37,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:03:37,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:03:37,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:03:37,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:03:37,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:03:37,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:03:37,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:03:37,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:03:37,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:03:37,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:03:37,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:03:37,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:03:37,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:03:37,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:03:37,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:03:37,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 22:03:37,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:03:37,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:03:37,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:03:37,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:03:37,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:03:37,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:03:37,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:03:37,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:03:37,717 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:03:37,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:03:37,718 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:03:37,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:03:37,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:03:37,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:03:37,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:03:37,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:03:37,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:03:37,719 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:03:37,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:03:37,719 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:03:37,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:03:37,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:03:37,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:03:37,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:03:37,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:03:37,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:03:37,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:03:37,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:03:37,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:03:37,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:03:37,722 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:03:37,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:03:37,722 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:03:37,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:03:37,722 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:03:37,722 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef1b718ec14fcc68d212ba49eb2094855200a064b5887a7f2eecdbae8074f363 [2022-12-13 22:03:37,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:03:37,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:03:37,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:03:37,930 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:03:37,930 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:03:37,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-12-13 22:03:40,532 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:03:40,752 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:03:40,752 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-12-13 22:03:40,765 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/data/beac76264/05b1c143353642d09bc97bcb4c703002/FLAG9a543520d [2022-12-13 22:03:41,091 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/data/beac76264/05b1c143353642d09bc97bcb4c703002 [2022-12-13 22:03:41,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:03:41,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:03:41,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:03:41,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:03:41,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:03:41,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:41,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5640d168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41, skipping insertion in model container [2022-12-13 22:03:41,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:41,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:03:41,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:03:41,383 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11563,11576] [2022-12-13 22:03:41,403 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15640,15653] [2022-12-13 22:03:41,410 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16861,16874] [2022-12-13 22:03:41,415 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17567,17580] [2022-12-13 22:03:41,423 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19153,19166] [2022-12-13 22:03:41,427 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19859,19872] [2022-12-13 22:03:41,432 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20930,20943] [2022-12-13 22:03:41,443 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23420,23433] [2022-12-13 22:03:41,447 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24129,24142] [2022-12-13 22:03:41,452 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25166,25179] [2022-12-13 22:03:41,461 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27104,27117] [2022-12-13 22:03:41,477 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31138,31151] [2022-12-13 22:03:41,481 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31847,31860] [2022-12-13 22:03:41,485 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32921,32934] [2022-12-13 22:03:41,493 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34896,34909] [2022-12-13 22:03:41,505 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38277,38290] [2022-12-13 22:03:41,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:03:41,634 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:03:41,676 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11563,11576] [2022-12-13 22:03:41,685 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15640,15653] [2022-12-13 22:03:41,689 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16861,16874] [2022-12-13 22:03:41,692 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17567,17580] [2022-12-13 22:03:41,697 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19153,19166] [2022-12-13 22:03:41,700 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19859,19872] [2022-12-13 22:03:41,704 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20930,20943] [2022-12-13 22:03:41,711 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23420,23433] [2022-12-13 22:03:41,714 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24129,24142] [2022-12-13 22:03:41,717 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25166,25179] [2022-12-13 22:03:41,723 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27104,27117] [2022-12-13 22:03:41,734 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31138,31151] [2022-12-13 22:03:41,737 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31847,31860] [2022-12-13 22:03:41,741 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32921,32934] [2022-12-13 22:03:41,747 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34896,34909] [2022-12-13 22:03:41,756 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_3d02a9db-fc38-4b0c-a812-5d17842ca6db/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38277,38290] [2022-12-13 22:03:41,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:03:41,885 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:03:41,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41 WrapperNode [2022-12-13 22:03:41,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:03:41,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:03:41,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:03:41,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:03:41,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:41,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:41,961 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3487 [2022-12-13 22:03:41,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:03:41,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:03:41,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:03:41,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:03:41,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:41,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:41,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:41,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:41,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:42,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:42,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:42,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:42,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:03:42,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:03:42,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:03:42,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:03:42,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (1/1) ... [2022-12-13 22:03:42,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:03:42,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:42,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:42,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:03:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:03:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:03:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:03:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:03:42,224 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:03:42,226 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:03:43,500 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:03:43,511 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:03:43,511 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:03:43,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:03:43 BoogieIcfgContainer [2022-12-13 22:03:43,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:03:43,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:03:43,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:03:43,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:03:43,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:03:41" (1/3) ... [2022-12-13 22:03:43,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a6e024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:03:43, skipping insertion in model container [2022-12-13 22:03:43,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:41" (2/3) ... [2022-12-13 22:03:43,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a6e024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:03:43, skipping insertion in model container [2022-12-13 22:03:43,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:03:43" (3/3) ... [2022-12-13 22:03:43,519 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-12-13 22:03:43,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:03:43,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-12-13 22:03:43,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:03:43,587 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;@68bdd00d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:03:43,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-12-13 22:03:43,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 630 states, 612 states have (on average 1.8480392156862746) internal successors, (1131), 629 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:43,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-13 22:03:43,612 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:43,612 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] [2022-12-13 22:03:43,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:43,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:43,617 INFO L85 PathProgramCache]: Analyzing trace with hash -729096350, now seen corresponding path program 1 times [2022-12-13 22:03:43,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:43,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763496038] [2022-12-13 22:03:43,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:43,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:43,984 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 22:03:43,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:43,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763496038] [2022-12-13 22:03:43,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763496038] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:43,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:43,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:03:43,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871052479] [2022-12-13 22:03:43,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:43,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:03:43,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:44,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:03:44,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:03:44,016 INFO L87 Difference]: Start difference. First operand has 630 states, 612 states have (on average 1.8480392156862746) internal successors, (1131), 629 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:44,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:44,465 INFO L93 Difference]: Finished difference Result 978 states and 1692 transitions. [2022-12-13 22:03:44,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:03:44,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-12-13 22:03:44,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:44,477 INFO L225 Difference]: With dead ends: 978 [2022-12-13 22:03:44,477 INFO L226 Difference]: Without dead ends: 503 [2022-12-13 22:03:44,480 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 22:03:44,483 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 2533 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2533 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:44,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2533 Valid, 621 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 22:03:44,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-12-13 22:03:44,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2022-12-13 22:03:44,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 487 states have (on average 1.3018480492813143) internal successors, (634), 502 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:44,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 634 transitions. [2022-12-13 22:03:44,536 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 634 transitions. Word has length 72 [2022-12-13 22:03:44,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:44,537 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 634 transitions. [2022-12-13 22:03:44,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:44,537 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 634 transitions. [2022-12-13 22:03:44,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-13 22:03:44,539 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:44,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:03:44,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:03:44,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:44,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:44,540 INFO L85 PathProgramCache]: Analyzing trace with hash -2012921467, now seen corresponding path program 1 times [2022-12-13 22:03:44,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:44,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967378748] [2022-12-13 22:03:44,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:44,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:44,672 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 22:03:44,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:44,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967378748] [2022-12-13 22:03:44,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967378748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:44,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:44,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:03:44,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195125131] [2022-12-13 22:03:44,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:44,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:03:44,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:44,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:03:44,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:03:44,676 INFO L87 Difference]: Start difference. First operand 503 states and 634 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:45,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:45,066 INFO L93 Difference]: Finished difference Result 1053 states and 1370 transitions. [2022-12-13 22:03:45,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:03:45,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-12-13 22:03:45,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:45,070 INFO L225 Difference]: With dead ends: 1053 [2022-12-13 22:03:45,070 INFO L226 Difference]: Without dead ends: 652 [2022-12-13 22:03:45,071 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 22:03:45,072 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 2201 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2201 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:45,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2201 Valid, 497 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 22:03:45,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2022-12-13 22:03:45,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 592. [2022-12-13 22:03:45,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 576 states have (on average 1.375) internal successors, (792), 591 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 792 transitions. [2022-12-13 22:03:45,105 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 792 transitions. Word has length 73 [2022-12-13 22:03:45,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:45,105 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 792 transitions. [2022-12-13 22:03:45,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 792 transitions. [2022-12-13 22:03:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-13 22:03:45,107 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:45,107 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] [2022-12-13 22:03:45,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:03:45,107 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:45,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:45,107 INFO L85 PathProgramCache]: Analyzing trace with hash -800948093, now seen corresponding path program 1 times [2022-12-13 22:03:45,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:45,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765122210] [2022-12-13 22:03:45,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:45,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:45,213 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 22:03:45,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:45,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765122210] [2022-12-13 22:03:45,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765122210] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:45,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:45,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:03:45,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508636177] [2022-12-13 22:03:45,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:45,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:03:45,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:45,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:03:45,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:03:45,215 INFO L87 Difference]: Start difference. First operand 592 states and 792 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:45,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:45,530 INFO L93 Difference]: Finished difference Result 1082 states and 1475 transitions. [2022-12-13 22:03:45,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:03:45,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-12-13 22:03:45,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:45,535 INFO L225 Difference]: With dead ends: 1082 [2022-12-13 22:03:45,535 INFO L226 Difference]: Without dead ends: 572 [2022-12-13 22:03:45,536 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 22:03:45,537 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1508 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:45,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 299 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 22:03:45,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2022-12-13 22:03:45,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2022-12-13 22:03:45,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 556 states have (on average 1.3776978417266188) internal successors, (766), 571 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:45,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 766 transitions. [2022-12-13 22:03:45,558 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 766 transitions. Word has length 74 [2022-12-13 22:03:45,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:45,558 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 766 transitions. [2022-12-13 22:03:45,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:45,558 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 766 transitions. [2022-12-13 22:03:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-13 22:03:45,560 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:45,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:45,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:03:45,560 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:45,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:45,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1628151892, now seen corresponding path program 1 times [2022-12-13 22:03:45,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:45,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003675905] [2022-12-13 22:03:45,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:45,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:45,660 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 22:03:45,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:45,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003675905] [2022-12-13 22:03:45,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003675905] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:45,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:45,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:03:45,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400693391] [2022-12-13 22:03:45,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:45,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:03:45,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:45,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:03:45,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:03:45,663 INFO L87 Difference]: Start difference. First operand 572 states and 766 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:45,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:45,926 INFO L93 Difference]: Finished difference Result 1062 states and 1447 transitions. [2022-12-13 22:03:45,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:03:45,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-12-13 22:03:45,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:45,930 INFO L225 Difference]: With dead ends: 1062 [2022-12-13 22:03:45,931 INFO L226 Difference]: Without dead ends: 556 [2022-12-13 22:03:45,932 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 22:03:45,933 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1469 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1469 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:45,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1469 Valid, 305 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 22:03:45,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-12-13 22:03:45,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 556. [2022-12-13 22:03:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 540 states have (on average 1.3814814814814815) internal successors, (746), 555 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 746 transitions. [2022-12-13 22:03:45,952 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 746 transitions. Word has length 75 [2022-12-13 22:03:45,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:45,952 INFO L495 AbstractCegarLoop]: Abstraction has 556 states and 746 transitions. [2022-12-13 22:03:45,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 746 transitions. [2022-12-13 22:03:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-13 22:03:45,953 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:45,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:45,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 22:03:45,954 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:45,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:45,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1037752348, now seen corresponding path program 1 times [2022-12-13 22:03:45,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:45,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578449430] [2022-12-13 22:03:45,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:45,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:03:46,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:46,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578449430] [2022-12-13 22:03:46,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578449430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:46,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:46,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:03:46,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025547420] [2022-12-13 22:03:46,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:46,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:03:46,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:46,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:03:46,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:03:46,046 INFO L87 Difference]: Start difference. First operand 556 states and 746 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:46,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:46,269 INFO L93 Difference]: Finished difference Result 1046 states and 1425 transitions. [2022-12-13 22:03:46,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:03:46,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-12-13 22:03:46,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:46,270 INFO L225 Difference]: With dead ends: 1046 [2022-12-13 22:03:46,270 INFO L226 Difference]: Without dead ends: 545 [2022-12-13 22:03:46,271 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 22:03:46,272 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 1444 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:46,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 302 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 22:03:46,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2022-12-13 22:03:46,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2022-12-13 22:03:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 529 states have (on average 1.383742911153119) internal successors, (732), 544 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 732 transitions. [2022-12-13 22:03:46,294 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 732 transitions. Word has length 76 [2022-12-13 22:03:46,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:46,294 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 732 transitions. [2022-12-13 22:03:46,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 732 transitions. [2022-12-13 22:03:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 22:03:46,295 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:46,295 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] [2022-12-13 22:03:46,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 22:03:46,296 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:46,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:46,296 INFO L85 PathProgramCache]: Analyzing trace with hash -142744767, now seen corresponding path program 1 times [2022-12-13 22:03:46,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:46,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750581073] [2022-12-13 22:03:46,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:46,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:46,519 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 22:03:46,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:46,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750581073] [2022-12-13 22:03:46,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750581073] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:46,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:46,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:03:46,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299101202] [2022-12-13 22:03:46,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:46,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:03:46,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:46,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:03:46,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:03:46,522 INFO L87 Difference]: Start difference. First operand 545 states and 732 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:47,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:47,235 INFO L93 Difference]: Finished difference Result 1242 states and 1708 transitions. [2022-12-13 22:03:47,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:03:47,235 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-12-13 22:03:47,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:47,239 INFO L225 Difference]: With dead ends: 1242 [2022-12-13 22:03:47,239 INFO L226 Difference]: Without dead ends: 1104 [2022-12-13 22:03:47,239 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 22:03:47,240 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 1581 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:47,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 1391 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:03:47,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-12-13 22:03:47,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 545. [2022-12-13 22:03:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 529 states have (on average 1.3818525519848772) internal successors, (731), 544 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 731 transitions. [2022-12-13 22:03:47,273 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 731 transitions. Word has length 77 [2022-12-13 22:03:47,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:47,274 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 731 transitions. [2022-12-13 22:03:47,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 731 transitions. [2022-12-13 22:03:47,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 22:03:47,275 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:47,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:47,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 22:03:47,275 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:47,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:47,275 INFO L85 PathProgramCache]: Analyzing trace with hash -2022253705, now seen corresponding path program 1 times [2022-12-13 22:03:47,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:47,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073194541] [2022-12-13 22:03:47,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:47,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:47,513 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 22:03:47,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:47,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073194541] [2022-12-13 22:03:47,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073194541] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:47,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:47,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:03:47,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042909192] [2022-12-13 22:03:47,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:47,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:03:47,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:47,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:03:47,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:03:47,515 INFO L87 Difference]: Start difference. First operand 545 states and 731 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:48,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:48,472 INFO L93 Difference]: Finished difference Result 1145 states and 1561 transitions. [2022-12-13 22:03:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:03:48,473 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-12-13 22:03:48,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:48,476 INFO L225 Difference]: With dead ends: 1145 [2022-12-13 22:03:48,476 INFO L226 Difference]: Without dead ends: 955 [2022-12-13 22:03:48,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:03:48,477 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 2698 mSDsluCounter, 1437 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:48,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 1763 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 22:03:48,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2022-12-13 22:03:48,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 545. [2022-12-13 22:03:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 529 states have (on average 1.3799621928166352) internal successors, (730), 544 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:48,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 730 transitions. [2022-12-13 22:03:48,525 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 730 transitions. Word has length 77 [2022-12-13 22:03:48,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:48,526 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 730 transitions. [2022-12-13 22:03:48,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 730 transitions. [2022-12-13 22:03:48,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 22:03:48,527 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:48,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:48,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 22:03:48,527 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:48,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:48,527 INFO L85 PathProgramCache]: Analyzing trace with hash 679839246, now seen corresponding path program 1 times [2022-12-13 22:03:48,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:48,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216591309] [2022-12-13 22:03:48,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:48,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:48,821 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 22:03:48,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:48,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216591309] [2022-12-13 22:03:48,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216591309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:48,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:48,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:03:48,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793100537] [2022-12-13 22:03:48,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:48,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:03:48,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:48,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:03:48,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:03:48,823 INFO L87 Difference]: Start difference. First operand 545 states and 730 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:49,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:49,346 INFO L93 Difference]: Finished difference Result 1048 states and 1381 transitions. [2022-12-13 22:03:49,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 22:03:49,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-12-13 22:03:49,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:49,348 INFO L225 Difference]: With dead ends: 1048 [2022-12-13 22:03:49,348 INFO L226 Difference]: Without dead ends: 774 [2022-12-13 22:03:49,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-12-13 22:03:49,349 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 2193 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2193 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:49,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2193 Valid, 796 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 22:03:49,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-12-13 22:03:49,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 545. [2022-12-13 22:03:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 529 states have (on average 1.3780718336483933) internal successors, (729), 544 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 729 transitions. [2022-12-13 22:03:49,403 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 729 transitions. Word has length 77 [2022-12-13 22:03:49,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:49,403 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 729 transitions. [2022-12-13 22:03:49,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 729 transitions. [2022-12-13 22:03:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 22:03:49,404 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:49,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:49,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 22:03:49,405 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:49,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:49,405 INFO L85 PathProgramCache]: Analyzing trace with hash -204100811, now seen corresponding path program 1 times [2022-12-13 22:03:49,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:49,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177630444] [2022-12-13 22:03:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:49,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:49,775 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 22:03:49,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:49,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177630444] [2022-12-13 22:03:49,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177630444] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:49,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:49,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:03:49,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938146085] [2022-12-13 22:03:49,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:49,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:03:49,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:49,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:03:49,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:03:49,777 INFO L87 Difference]: Start difference. First operand 545 states and 729 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:51,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:51,948 INFO L93 Difference]: Finished difference Result 2298 states and 3232 transitions. [2022-12-13 22:03:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:03:51,949 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 22:03:51,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:51,953 INFO L225 Difference]: With dead ends: 2298 [2022-12-13 22:03:51,953 INFO L226 Difference]: Without dead ends: 2138 [2022-12-13 22:03:51,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 22:03:51,954 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 6340 mSDsluCounter, 2078 mSDsCounter, 0 mSdLazyCounter, 2101 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6340 SdHoareTripleChecker+Valid, 2585 SdHoareTripleChecker+Invalid, 2262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 2101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:51,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6340 Valid, 2585 Invalid, 2262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 2101 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 22:03:51,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2022-12-13 22:03:52,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 549. [2022-12-13 22:03:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 533 states have (on average 1.375234521575985) internal successors, (733), 548 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 733 transitions. [2022-12-13 22:03:52,029 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 733 transitions. Word has length 79 [2022-12-13 22:03:52,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:52,029 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 733 transitions. [2022-12-13 22:03:52,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 733 transitions. [2022-12-13 22:03:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 22:03:52,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:52,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:52,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 22:03:52,031 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:52,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:52,031 INFO L85 PathProgramCache]: Analyzing trace with hash -612946039, now seen corresponding path program 1 times [2022-12-13 22:03:52,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:52,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464885108] [2022-12-13 22:03:52,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:52,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:52,236 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 22:03:52,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:52,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464885108] [2022-12-13 22:03:52,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464885108] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:52,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:52,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:03:52,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593003348] [2022-12-13 22:03:52,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:52,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:03:52,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:52,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:03:52,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:03:52,238 INFO L87 Difference]: Start difference. First operand 549 states and 733 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:53,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:53,055 INFO L93 Difference]: Finished difference Result 1246 states and 1709 transitions. [2022-12-13 22:03:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:03:53,055 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 22:03:53,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:53,057 INFO L225 Difference]: With dead ends: 1246 [2022-12-13 22:03:53,057 INFO L226 Difference]: Without dead ends: 1108 [2022-12-13 22:03:53,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-12-13 22:03:53,058 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 3032 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:53,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3032 Valid, 1405 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:03:53,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-12-13 22:03:53,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 549. [2022-12-13 22:03:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 533 states have (on average 1.3733583489681052) internal successors, (732), 548 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 732 transitions. [2022-12-13 22:03:53,120 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 732 transitions. Word has length 79 [2022-12-13 22:03:53,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:53,120 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 732 transitions. [2022-12-13 22:03:53,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 732 transitions. [2022-12-13 22:03:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 22:03:53,121 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:53,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:53,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 22:03:53,121 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:53,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:53,121 INFO L85 PathProgramCache]: Analyzing trace with hash 391973260, now seen corresponding path program 1 times [2022-12-13 22:03:53,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:53,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665272563] [2022-12-13 22:03:53,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:53,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:53,331 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 22:03:53,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:53,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665272563] [2022-12-13 22:03:53,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665272563] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:53,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:53,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:03:53,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739334060] [2022-12-13 22:03:53,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:53,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:03:53,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:53,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:03:53,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:03:53,333 INFO L87 Difference]: Start difference. First operand 549 states and 732 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:54,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:54,231 INFO L93 Difference]: Finished difference Result 1242 states and 1704 transitions. [2022-12-13 22:03:54,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:03:54,232 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 22:03:54,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:54,234 INFO L225 Difference]: With dead ends: 1242 [2022-12-13 22:03:54,234 INFO L226 Difference]: Without dead ends: 1108 [2022-12-13 22:03:54,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-12-13 22:03:54,235 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 3056 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:54,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3056 Valid, 1382 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:03:54,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-12-13 22:03:54,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 549. [2022-12-13 22:03:54,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 533 states have (on average 1.3714821763602252) internal successors, (731), 548 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 731 transitions. [2022-12-13 22:03:54,301 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 731 transitions. Word has length 79 [2022-12-13 22:03:54,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:54,301 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 731 transitions. [2022-12-13 22:03:54,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 731 transitions. [2022-12-13 22:03:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 22:03:54,302 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:54,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:54,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 22:03:54,302 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:54,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:54,303 INFO L85 PathProgramCache]: Analyzing trace with hash -757085498, now seen corresponding path program 1 times [2022-12-13 22:03:54,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:54,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824704711] [2022-12-13 22:03:54,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:54,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:54,490 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 22:03:54,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:54,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824704711] [2022-12-13 22:03:54,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824704711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:54,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:54,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:03:54,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589457915] [2022-12-13 22:03:54,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:54,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:03:54,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:54,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:03:54,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:03:54,492 INFO L87 Difference]: Start difference. First operand 549 states and 731 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:55,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:55,653 INFO L93 Difference]: Finished difference Result 1279 states and 1760 transitions. [2022-12-13 22:03:55,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:03:55,654 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 22:03:55,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:55,656 INFO L225 Difference]: With dead ends: 1279 [2022-12-13 22:03:55,656 INFO L226 Difference]: Without dead ends: 1128 [2022-12-13 22:03:55,656 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 22:03:55,657 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 2543 mSDsluCounter, 1572 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2543 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:55,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2543 Valid, 1924 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1450 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 22:03:55,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-12-13 22:03:55,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 549. [2022-12-13 22:03:55,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 533 states have (on average 1.3696060037523452) internal successors, (730), 548 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:55,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 730 transitions. [2022-12-13 22:03:55,730 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 730 transitions. Word has length 79 [2022-12-13 22:03:55,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:55,730 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 730 transitions. [2022-12-13 22:03:55,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 730 transitions. [2022-12-13 22:03:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 22:03:55,731 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:55,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:55,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 22:03:55,731 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:55,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:55,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1786631023, now seen corresponding path program 1 times [2022-12-13 22:03:55,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:55,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639827349] [2022-12-13 22:03:55,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:55,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:03:55,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:55,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639827349] [2022-12-13 22:03:55,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639827349] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:55,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:55,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:03:55,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39687080] [2022-12-13 22:03:55,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:55,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:03:55,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:55,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:03:55,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:03:55,953 INFO L87 Difference]: Start difference. First operand 549 states and 730 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:57,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:57,119 INFO L93 Difference]: Finished difference Result 1320 states and 1797 transitions. [2022-12-13 22:03:57,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 22:03:57,119 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 22:03:57,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:57,122 INFO L225 Difference]: With dead ends: 1320 [2022-12-13 22:03:57,122 INFO L226 Difference]: Without dead ends: 1170 [2022-12-13 22:03:57,123 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 22:03:57,123 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 2680 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2680 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:57,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2680 Valid, 1825 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 22:03:57,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2022-12-13 22:03:57,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 563. [2022-12-13 22:03:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 547 states have (on average 1.3711151736745886) internal successors, (750), 562 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:57,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 750 transitions. [2022-12-13 22:03:57,198 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 750 transitions. Word has length 79 [2022-12-13 22:03:57,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:57,198 INFO L495 AbstractCegarLoop]: Abstraction has 563 states and 750 transitions. [2022-12-13 22:03:57,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:57,198 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 750 transitions. [2022-12-13 22:03:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 22:03:57,199 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:57,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:03:57,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 22:03:57,199 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:57,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:57,199 INFO L85 PathProgramCache]: Analyzing trace with hash -125566079, now seen corresponding path program 1 times [2022-12-13 22:03:57,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:57,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112876317] [2022-12-13 22:03:57,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:57,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:57,451 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 22:03:57,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:57,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112876317] [2022-12-13 22:03:57,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112876317] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:57,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:57,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 22:03:57,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746371060] [2022-12-13 22:03:57,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:57,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 22:03:57,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:57,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 22:03:57,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:03:57,453 INFO L87 Difference]: Start difference. First operand 563 states and 750 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:58,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:58,641 INFO L93 Difference]: Finished difference Result 1192 states and 1642 transitions. [2022-12-13 22:03:58,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 22:03:58,641 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 22:03:58,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:58,643 INFO L225 Difference]: With dead ends: 1192 [2022-12-13 22:03:58,643 INFO L226 Difference]: Without dead ends: 936 [2022-12-13 22:03:58,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2022-12-13 22:03:58,644 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 2782 mSDsluCounter, 1460 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2782 SdHoareTripleChecker+Valid, 1850 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:58,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2782 Valid, 1850 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 22:03:58,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2022-12-13 22:03:58,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 549. [2022-12-13 22:03:58,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 533 states have (on average 1.3658536585365855) internal successors, (728), 548 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:58,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 728 transitions. [2022-12-13 22:03:58,722 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 728 transitions. Word has length 79 [2022-12-13 22:03:58,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:58,722 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 728 transitions. [2022-12-13 22:03:58,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:58,722 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 728 transitions. [2022-12-13 22:03:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 22:03:58,723 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:58,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:03:58,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 22:03:58,723 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:58,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:58,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1207195179, now seen corresponding path program 1 times [2022-12-13 22:03:58,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:58,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243651228] [2022-12-13 22:03:58,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:58,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:58,917 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 22:03:58,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:58,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243651228] [2022-12-13 22:03:58,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243651228] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:58,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:58,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:03:58,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622582131] [2022-12-13 22:03:58,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:58,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:03:58,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:58,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:03:58,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:03:58,919 INFO L87 Difference]: Start difference. First operand 549 states and 728 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:59,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:59,818 INFO L93 Difference]: Finished difference Result 1252 states and 1712 transitions. [2022-12-13 22:03:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:03:59,818 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 22:03:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:59,820 INFO L225 Difference]: With dead ends: 1252 [2022-12-13 22:03:59,820 INFO L226 Difference]: Without dead ends: 1108 [2022-12-13 22:03:59,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-12-13 22:03:59,821 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 2912 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2912 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:59,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2912 Valid, 1475 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:03:59,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-12-13 22:03:59,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 549. [2022-12-13 22:03:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 533 states have (on average 1.3621013133208255) internal successors, (726), 548 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 726 transitions. [2022-12-13 22:03:59,905 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 726 transitions. Word has length 79 [2022-12-13 22:03:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:59,905 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 726 transitions. [2022-12-13 22:03:59,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 726 transitions. [2022-12-13 22:03:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 22:03:59,906 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:59,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:59,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 22:03:59,906 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:03:59,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:59,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1616040407, now seen corresponding path program 1 times [2022-12-13 22:03:59,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:59,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657875393] [2022-12-13 22:03:59,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:59,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:00,041 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 22:04:00,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:00,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657875393] [2022-12-13 22:04:00,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657875393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:00,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:00,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:00,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578351731] [2022-12-13 22:04:00,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:00,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:00,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:00,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:00,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:00,043 INFO L87 Difference]: Start difference. First operand 549 states and 726 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:00,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:00,790 INFO L93 Difference]: Finished difference Result 1298 states and 1779 transitions. [2022-12-13 22:04:00,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:00,790 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 22:04:00,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:00,792 INFO L225 Difference]: With dead ends: 1298 [2022-12-13 22:04:00,792 INFO L226 Difference]: Without dead ends: 1128 [2022-12-13 22:04:00,793 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 22:04:00,793 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 2030 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:00,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 1760 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 22:04:00,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-12-13 22:04:00,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 549. [2022-12-13 22:04:00,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 533 states have (on average 1.3583489681050656) internal successors, (724), 548 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 724 transitions. [2022-12-13 22:04:00,879 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 724 transitions. Word has length 79 [2022-12-13 22:04:00,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:00,879 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 724 transitions. [2022-12-13 22:04:00,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:00,880 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 724 transitions. [2022-12-13 22:04:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-13 22:04:00,880 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:00,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:00,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 22:04:00,880 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:00,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:00,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1975429315, now seen corresponding path program 1 times [2022-12-13 22:04:00,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:00,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112924894] [2022-12-13 22:04:00,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:00,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:01,016 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 22:04:01,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:01,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112924894] [2022-12-13 22:04:01,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112924894] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:01,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:01,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:01,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157402915] [2022-12-13 22:04:01,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:01,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:01,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:01,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:01,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:01,018 INFO L87 Difference]: Start difference. First operand 549 states and 724 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:02,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:02,101 INFO L93 Difference]: Finished difference Result 1288 states and 1763 transitions. [2022-12-13 22:04:02,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:02,102 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-12-13 22:04:02,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:02,104 INFO L225 Difference]: With dead ends: 1288 [2022-12-13 22:04:02,104 INFO L226 Difference]: Without dead ends: 1128 [2022-12-13 22:04:02,104 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 22:04:02,105 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 2011 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2011 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:02,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2011 Valid, 1890 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 22:04:02,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-12-13 22:04:02,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 545. [2022-12-13 22:04:02,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 529 states have (on average 1.3591682419659736) internal successors, (719), 544 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 719 transitions. [2022-12-13 22:04:02,194 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 719 transitions. Word has length 80 [2022-12-13 22:04:02,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:02,194 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 719 transitions. [2022-12-13 22:04:02,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:02,194 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 719 transitions. [2022-12-13 22:04:02,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:02,195 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:02,195 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] [2022-12-13 22:04:02,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 22:04:02,195 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:02,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:02,195 INFO L85 PathProgramCache]: Analyzing trace with hash 2135531548, now seen corresponding path program 1 times [2022-12-13 22:04:02,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:02,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400368413] [2022-12-13 22:04:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:02,357 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 22:04:02,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:02,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400368413] [2022-12-13 22:04:02,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400368413] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:02,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:02,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:02,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118969040] [2022-12-13 22:04:02,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:02,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:02,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:02,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:02,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:02,359 INFO L87 Difference]: Start difference. First operand 545 states and 719 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:03,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:03,317 INFO L93 Difference]: Finished difference Result 1211 states and 1644 transitions. [2022-12-13 22:04:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:03,317 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:03,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:03,319 INFO L225 Difference]: With dead ends: 1211 [2022-12-13 22:04:03,319 INFO L226 Difference]: Without dead ends: 1080 [2022-12-13 22:04:03,319 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 22:04:03,319 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 2414 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:03,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 1870 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:04:03,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2022-12-13 22:04:03,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 545. [2022-12-13 22:04:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 529 states have (on average 1.3572778827977316) internal successors, (718), 544 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 718 transitions. [2022-12-13 22:04:03,418 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 718 transitions. Word has length 81 [2022-12-13 22:04:03,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:03,418 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 718 transitions. [2022-12-13 22:04:03,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 718 transitions. [2022-12-13 22:04:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:03,419 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:03,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:03,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 22:04:03,419 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:03,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:03,420 INFO L85 PathProgramCache]: Analyzing trace with hash -247238646, now seen corresponding path program 1 times [2022-12-13 22:04:03,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:03,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693760352] [2022-12-13 22:04:03,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:03,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:03,565 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 22:04:03,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:03,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693760352] [2022-12-13 22:04:03,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693760352] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:03,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:03,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:03,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915659512] [2022-12-13 22:04:03,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:03,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:03,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:03,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:03,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:03,567 INFO L87 Difference]: Start difference. First operand 545 states and 718 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:04,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:04,345 INFO L93 Difference]: Finished difference Result 1247 states and 1697 transitions. [2022-12-13 22:04:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:04,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:04,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:04,347 INFO L225 Difference]: With dead ends: 1247 [2022-12-13 22:04:04,347 INFO L226 Difference]: Without dead ends: 1104 [2022-12-13 22:04:04,348 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 22:04:04,348 INFO L413 NwaCegarLoop]: 450 mSDtfsCounter, 1306 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:04,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 1782 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 22:04:04,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-12-13 22:04:04,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 545. [2022-12-13 22:04:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 529 states have (on average 1.3553875236294897) internal successors, (717), 544 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 717 transitions. [2022-12-13 22:04:04,448 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 717 transitions. Word has length 81 [2022-12-13 22:04:04,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:04,448 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 717 transitions. [2022-12-13 22:04:04,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:04,449 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 717 transitions. [2022-12-13 22:04:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:04,449 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:04,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:04,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 22:04:04,449 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:04,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:04,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1648828412, now seen corresponding path program 1 times [2022-12-13 22:04:04,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:04,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202776518] [2022-12-13 22:04:04,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:04,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,597 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 22:04:04,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:04,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202776518] [2022-12-13 22:04:04,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202776518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:04,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:04,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:04,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777192722] [2022-12-13 22:04:04,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:04,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:04,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:04,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:04,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:04,599 INFO L87 Difference]: Start difference. First operand 545 states and 717 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:05,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:05,726 INFO L93 Difference]: Finished difference Result 1208 states and 1639 transitions. [2022-12-13 22:04:05,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:05,727 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:05,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:05,729 INFO L225 Difference]: With dead ends: 1208 [2022-12-13 22:04:05,729 INFO L226 Difference]: Without dead ends: 1080 [2022-12-13 22:04:05,729 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 22:04:05,730 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 2308 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 1605 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2308 SdHoareTripleChecker+Valid, 2088 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:05,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2308 Valid, 2088 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1605 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 22:04:05,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2022-12-13 22:04:05,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 545. [2022-12-13 22:04:05,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 529 states have (on average 1.3534971644612477) internal successors, (716), 544 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:05,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 716 transitions. [2022-12-13 22:04:05,831 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 716 transitions. Word has length 81 [2022-12-13 22:04:05,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:05,831 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 716 transitions. [2022-12-13 22:04:05,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:05,832 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 716 transitions. [2022-12-13 22:04:05,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:05,832 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:05,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:05,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 22:04:05,832 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:05,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:05,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1380394973, now seen corresponding path program 1 times [2022-12-13 22:04:05,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:05,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537499248] [2022-12-13 22:04:05,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:05,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:06,090 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 22:04:06,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:06,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537499248] [2022-12-13 22:04:06,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537499248] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:06,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:06,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:04:06,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021627317] [2022-12-13 22:04:06,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:06,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:04:06,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:06,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:04:06,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:04:06,092 INFO L87 Difference]: Start difference. First operand 545 states and 716 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:08,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:08,281 INFO L93 Difference]: Finished difference Result 1872 states and 2582 transitions. [2022-12-13 22:04:08,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:04:08,282 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:08,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:08,285 INFO L225 Difference]: With dead ends: 1872 [2022-12-13 22:04:08,285 INFO L226 Difference]: Without dead ends: 1741 [2022-12-13 22:04:08,285 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 22:04:08,286 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 5066 mSDsluCounter, 1802 mSDsCounter, 0 mSdLazyCounter, 1825 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5066 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:08,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5066 Valid, 2221 Invalid, 1973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1825 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 22:04:08,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2022-12-13 22:04:08,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 549. [2022-12-13 22:04:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 533 states have (on average 1.3508442776735459) internal successors, (720), 548 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 720 transitions. [2022-12-13 22:04:08,420 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 720 transitions. Word has length 81 [2022-12-13 22:04:08,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:08,420 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 720 transitions. [2022-12-13 22:04:08,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 720 transitions. [2022-12-13 22:04:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:08,421 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:08,421 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] [2022-12-13 22:04:08,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 22:04:08,421 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:08,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:08,422 INFO L85 PathProgramCache]: Analyzing trace with hash -90069907, now seen corresponding path program 1 times [2022-12-13 22:04:08,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:08,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214586054] [2022-12-13 22:04:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:08,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:08,568 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 22:04:08,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:08,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214586054] [2022-12-13 22:04:08,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214586054] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:08,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:08,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:08,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477463608] [2022-12-13 22:04:08,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:08,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:08,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:08,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:08,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:08,570 INFO L87 Difference]: Start difference. First operand 549 states and 720 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:09,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:09,689 INFO L93 Difference]: Finished difference Result 1208 states and 1637 transitions. [2022-12-13 22:04:09,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:09,690 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:09,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:09,691 INFO L225 Difference]: With dead ends: 1208 [2022-12-13 22:04:09,692 INFO L226 Difference]: Without dead ends: 1080 [2022-12-13 22:04:09,692 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 22:04:09,692 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 2301 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2301 SdHoareTripleChecker+Valid, 2092 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:09,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2301 Valid, 2092 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1589 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 22:04:09,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2022-12-13 22:04:09,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 549. [2022-12-13 22:04:09,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 533 states have (on average 1.3489681050656661) internal successors, (719), 548 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:09,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 719 transitions. [2022-12-13 22:04:09,821 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 719 transitions. Word has length 81 [2022-12-13 22:04:09,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:09,822 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 719 transitions. [2022-12-13 22:04:09,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:09,822 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 719 transitions. [2022-12-13 22:04:09,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:09,822 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:09,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:09,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 22:04:09,822 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:09,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:09,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1355696644, now seen corresponding path program 1 times [2022-12-13 22:04:09,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:09,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192990316] [2022-12-13 22:04:09,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:09,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:09,948 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 22:04:09,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:09,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192990316] [2022-12-13 22:04:09,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192990316] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:09,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:09,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:09,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276047032] [2022-12-13 22:04:09,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:09,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:09,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:09,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:09,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:09,949 INFO L87 Difference]: Start difference. First operand 549 states and 719 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:11,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:11,001 INFO L93 Difference]: Finished difference Result 1085 states and 1454 transitions. [2022-12-13 22:04:11,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:11,002 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:11,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:11,004 INFO L225 Difference]: With dead ends: 1085 [2022-12-13 22:04:11,004 INFO L226 Difference]: Without dead ends: 1080 [2022-12-13 22:04:11,004 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 22:04:11,004 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 1807 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:11,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 1813 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 22:04:11,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2022-12-13 22:04:11,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 549. [2022-12-13 22:04:11,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 533 states have (on average 1.3470919324577861) internal successors, (718), 548 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 718 transitions. [2022-12-13 22:04:11,137 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 718 transitions. Word has length 81 [2022-12-13 22:04:11,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:11,137 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 718 transitions. [2022-12-13 22:04:11,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 718 transitions. [2022-12-13 22:04:11,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:11,138 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:11,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:11,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 22:04:11,138 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:11,138 INFO L85 PathProgramCache]: Analyzing trace with hash 558624169, now seen corresponding path program 1 times [2022-12-13 22:04:11,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:11,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893991484] [2022-12-13 22:04:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:11,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:11,361 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 22:04:11,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:11,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893991484] [2022-12-13 22:04:11,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893991484] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:11,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:11,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:04:11,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887678680] [2022-12-13 22:04:11,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:11,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:04:11,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:11,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:04:11,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:04:11,362 INFO L87 Difference]: Start difference. First operand 549 states and 718 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:13,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:13,675 INFO L93 Difference]: Finished difference Result 1866 states and 2572 transitions. [2022-12-13 22:04:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:04:13,676 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:13,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:13,679 INFO L225 Difference]: With dead ends: 1866 [2022-12-13 22:04:13,679 INFO L226 Difference]: Without dead ends: 1738 [2022-12-13 22:04:13,679 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 22:04:13,680 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 4229 mSDsluCounter, 1771 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4229 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:13,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4229 Valid, 2183 Invalid, 1947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 22:04:13,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2022-12-13 22:04:13,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 553. [2022-12-13 22:04:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 537 states have (on average 1.3445065176908753) internal successors, (722), 552 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 722 transitions. [2022-12-13 22:04:13,822 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 722 transitions. Word has length 81 [2022-12-13 22:04:13,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:13,822 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 722 transitions. [2022-12-13 22:04:13,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:13,822 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 722 transitions. [2022-12-13 22:04:13,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:13,823 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:13,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:13,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 22:04:13,823 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:13,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:13,823 INFO L85 PathProgramCache]: Analyzing trace with hash -237124242, now seen corresponding path program 1 times [2022-12-13 22:04:13,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:13,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541059225] [2022-12-13 22:04:13,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:13,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:13,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:04:13,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:13,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541059225] [2022-12-13 22:04:13,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541059225] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:13,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:13,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:13,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037124400] [2022-12-13 22:04:13,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:13,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:13,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:13,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:13,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:13,983 INFO L87 Difference]: Start difference. First operand 553 states and 722 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:15,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:15,315 INFO L93 Difference]: Finished difference Result 1206 states and 1631 transitions. [2022-12-13 22:04:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:15,315 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:15,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:15,320 INFO L225 Difference]: With dead ends: 1206 [2022-12-13 22:04:15,320 INFO L226 Difference]: Without dead ends: 1080 [2022-12-13 22:04:15,321 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 22:04:15,321 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 2377 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2377 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:15,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2377 Valid, 1902 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 22:04:15,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2022-12-13 22:04:15,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 553. [2022-12-13 22:04:15,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 537 states have (on average 1.3426443202979517) internal successors, (721), 552 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 721 transitions. [2022-12-13 22:04:15,463 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 721 transitions. Word has length 81 [2022-12-13 22:04:15,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:15,463 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 721 transitions. [2022-12-13 22:04:15,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:15,463 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 721 transitions. [2022-12-13 22:04:15,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:15,464 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:15,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:15,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 22:04:15,464 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:15,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:15,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1610096682, now seen corresponding path program 1 times [2022-12-13 22:04:15,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:15,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121274361] [2022-12-13 22:04:15,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:15,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:15,591 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 22:04:15,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:15,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121274361] [2022-12-13 22:04:15,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121274361] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:15,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:15,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:15,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810550751] [2022-12-13 22:04:15,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:15,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:15,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:15,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:15,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:15,593 INFO L87 Difference]: Start difference. First operand 553 states and 721 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:16,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:16,886 INFO L93 Difference]: Finished difference Result 1262 states and 1708 transitions. [2022-12-13 22:04:16,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:16,886 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:16,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:16,888 INFO L225 Difference]: With dead ends: 1262 [2022-12-13 22:04:16,888 INFO L226 Difference]: Without dead ends: 1112 [2022-12-13 22:04:16,889 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 22:04:16,889 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 1572 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:16,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1572 Valid, 1569 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:04:16,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-12-13 22:04:17,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 553. [2022-12-13 22:04:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 537 states have (on average 1.3389199255121043) internal successors, (719), 552 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 719 transitions. [2022-12-13 22:04:17,030 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 719 transitions. Word has length 81 [2022-12-13 22:04:17,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:17,031 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 719 transitions. [2022-12-13 22:04:17,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 719 transitions. [2022-12-13 22:04:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:17,031 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:17,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:17,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 22:04:17,032 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:17,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:17,032 INFO L85 PathProgramCache]: Analyzing trace with hash -302100420, now seen corresponding path program 1 times [2022-12-13 22:04:17,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:17,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149971524] [2022-12-13 22:04:17,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:17,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:17,190 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 22:04:17,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:17,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149971524] [2022-12-13 22:04:17,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149971524] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:17,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:17,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:17,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798187309] [2022-12-13 22:04:17,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:17,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:17,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:17,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:17,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:17,192 INFO L87 Difference]: Start difference. First operand 553 states and 719 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:18,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:18,628 INFO L93 Difference]: Finished difference Result 1214 states and 1637 transitions. [2022-12-13 22:04:18,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:18,628 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:18,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:18,630 INFO L225 Difference]: With dead ends: 1214 [2022-12-13 22:04:18,630 INFO L226 Difference]: Without dead ends: 1080 [2022-12-13 22:04:18,630 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 22:04:18,631 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 2351 mSDsluCounter, 1577 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2351 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:18,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2351 Valid, 1954 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 22:04:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2022-12-13 22:04:18,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 553. [2022-12-13 22:04:18,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 537 states have (on average 1.335195530726257) internal successors, (717), 552 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 717 transitions. [2022-12-13 22:04:18,778 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 717 transitions. Word has length 81 [2022-12-13 22:04:18,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:18,779 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 717 transitions. [2022-12-13 22:04:18,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 717 transitions. [2022-12-13 22:04:18,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:18,779 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:18,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:18,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 22:04:18,779 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:18,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:18,780 INFO L85 PathProgramCache]: Analyzing trace with hash -286808248, now seen corresponding path program 1 times [2022-12-13 22:04:18,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:18,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603185940] [2022-12-13 22:04:18,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:18,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:19,012 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 22:04:19,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:19,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603185940] [2022-12-13 22:04:19,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603185940] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:19,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:19,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:04:19,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652240631] [2022-12-13 22:04:19,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:19,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:04:19,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:19,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:04:19,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:04:19,014 INFO L87 Difference]: Start difference. First operand 553 states and 717 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:21,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:21,723 INFO L93 Difference]: Finished difference Result 2370 states and 3293 transitions. [2022-12-13 22:04:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:04:21,724 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:21,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:21,727 INFO L225 Difference]: With dead ends: 2370 [2022-12-13 22:04:21,727 INFO L226 Difference]: Without dead ends: 2180 [2022-12-13 22:04:21,727 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 22:04:21,727 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 5062 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 1863 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5062 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:21,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5062 Valid, 2442 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1863 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 22:04:21,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2180 states. [2022-12-13 22:04:21,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2180 to 561. [2022-12-13 22:04:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 545 states have (on average 1.3302752293577982) internal successors, (725), 560 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:21,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 725 transitions. [2022-12-13 22:04:21,887 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 725 transitions. Word has length 81 [2022-12-13 22:04:21,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:21,887 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 725 transitions. [2022-12-13 22:04:21,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:21,887 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 725 transitions. [2022-12-13 22:04:21,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:21,888 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:21,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:21,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 22:04:21,888 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:21,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:21,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1055423202, now seen corresponding path program 1 times [2022-12-13 22:04:21,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:21,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131599097] [2022-12-13 22:04:21,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:21,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:22,033 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 22:04:22,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:22,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131599097] [2022-12-13 22:04:22,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131599097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:22,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:22,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:22,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811775701] [2022-12-13 22:04:22,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:22,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:22,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:22,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:22,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:22,035 INFO L87 Difference]: Start difference. First operand 561 states and 725 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:23,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:23,311 INFO L93 Difference]: Finished difference Result 1093 states and 1454 transitions. [2022-12-13 22:04:23,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:23,311 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:23,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:23,313 INFO L225 Difference]: With dead ends: 1093 [2022-12-13 22:04:23,313 INFO L226 Difference]: Without dead ends: 1088 [2022-12-13 22:04:23,313 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 22:04:23,313 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 2346 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2346 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:23,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2346 Valid, 1955 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 22:04:23,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-12-13 22:04:23,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 561. [2022-12-13 22:04:23,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 545 states have (on average 1.3266055045871559) internal successors, (723), 560 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 723 transitions. [2022-12-13 22:04:23,474 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 723 transitions. Word has length 81 [2022-12-13 22:04:23,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:23,474 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 723 transitions. [2022-12-13 22:04:23,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 723 transitions. [2022-12-13 22:04:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:23,475 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:23,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:23,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-13 22:04:23,475 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:23,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:23,476 INFO L85 PathProgramCache]: Analyzing trace with hash 856773900, now seen corresponding path program 1 times [2022-12-13 22:04:23,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:23,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212421712] [2022-12-13 22:04:23,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:23,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:23,727 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 22:04:23,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:23,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212421712] [2022-12-13 22:04:23,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212421712] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:23,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:23,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:04:23,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532526294] [2022-12-13 22:04:23,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:23,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:04:23,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:23,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:04:23,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:04:23,729 INFO L87 Difference]: Start difference. First operand 561 states and 723 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:26,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:26,498 INFO L93 Difference]: Finished difference Result 1970 states and 2706 transitions. [2022-12-13 22:04:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:04:26,499 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:26,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:26,501 INFO L225 Difference]: With dead ends: 1970 [2022-12-13 22:04:26,501 INFO L226 Difference]: Without dead ends: 1953 [2022-12-13 22:04:26,501 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 22:04:26,501 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 4121 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4121 SdHoareTripleChecker+Valid, 2615 SdHoareTripleChecker+Invalid, 2140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:26,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4121 Valid, 2615 Invalid, 2140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 22:04:26,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2022-12-13 22:04:26,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 569. [2022-12-13 22:04:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 553 states have (on average 1.321880650994575) internal successors, (731), 568 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:26,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 731 transitions. [2022-12-13 22:04:26,686 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 731 transitions. Word has length 81 [2022-12-13 22:04:26,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:26,686 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 731 transitions. [2022-12-13 22:04:26,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 731 transitions. [2022-12-13 22:04:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:26,687 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:26,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:26,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-13 22:04:26,687 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:26,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:26,687 INFO L85 PathProgramCache]: Analyzing trace with hash -544552721, now seen corresponding path program 1 times [2022-12-13 22:04:26,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:26,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976275135] [2022-12-13 22:04:26,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:26,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:26,826 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 22:04:26,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:26,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976275135] [2022-12-13 22:04:26,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976275135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:26,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:26,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:26,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202589021] [2022-12-13 22:04:26,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:26,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:26,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:26,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:26,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:26,827 INFO L87 Difference]: Start difference. First operand 569 states and 731 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:28,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:28,253 INFO L93 Difference]: Finished difference Result 1226 states and 1644 transitions. [2022-12-13 22:04:28,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:28,254 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:28,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:28,255 INFO L225 Difference]: With dead ends: 1226 [2022-12-13 22:04:28,255 INFO L226 Difference]: Without dead ends: 1096 [2022-12-13 22:04:28,255 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 22:04:28,256 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 2340 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 1958 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:28,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 1958 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:04:28,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2022-12-13 22:04:28,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 569. [2022-12-13 22:04:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 553 states have (on average 1.318264014466546) internal successors, (729), 568 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 729 transitions. [2022-12-13 22:04:28,441 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 729 transitions. Word has length 81 [2022-12-13 22:04:28,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:28,442 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 729 transitions. [2022-12-13 22:04:28,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 729 transitions. [2022-12-13 22:04:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 22:04:28,442 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:28,442 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] [2022-12-13 22:04:28,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-13 22:04:28,443 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:28,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:28,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1810559777, now seen corresponding path program 1 times [2022-12-13 22:04:28,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:28,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399354762] [2022-12-13 22:04:28,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:28,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:28,670 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 22:04:28,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:28,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399354762] [2022-12-13 22:04:28,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399354762] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:28,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:28,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:04:28,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10453639] [2022-12-13 22:04:28,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:28,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:04:28,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:28,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:04:28,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:04:28,672 INFO L87 Difference]: Start difference. First operand 569 states and 729 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:31,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:31,302 INFO L93 Difference]: Finished difference Result 1762 states and 2398 transitions. [2022-12-13 22:04:31,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:04:31,303 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 22:04:31,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:31,304 INFO L225 Difference]: With dead ends: 1762 [2022-12-13 22:04:31,304 INFO L226 Difference]: Without dead ends: 1757 [2022-12-13 22:04:31,305 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 22:04:31,305 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 4152 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4152 SdHoareTripleChecker+Valid, 1858 SdHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:31,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4152 Valid, 1858 Invalid, 1608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 22:04:31,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2022-12-13 22:04:31,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 577. [2022-12-13 22:04:31,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 561 states have (on average 1.3137254901960784) internal successors, (737), 576 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:31,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 737 transitions. [2022-12-13 22:04:31,499 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 737 transitions. Word has length 81 [2022-12-13 22:04:31,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:31,499 INFO L495 AbstractCegarLoop]: Abstraction has 577 states and 737 transitions. [2022-12-13 22:04:31,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:31,500 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 737 transitions. [2022-12-13 22:04:31,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 22:04:31,500 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:31,501 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:31,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-13 22:04:31,501 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:31,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:31,501 INFO L85 PathProgramCache]: Analyzing trace with hash -423596437, now seen corresponding path program 1 times [2022-12-13 22:04:31,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:31,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659038607] [2022-12-13 22:04:31,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:31,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:31,623 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 22:04:31,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:31,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659038607] [2022-12-13 22:04:31,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659038607] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:31,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:31,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:31,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050609971] [2022-12-13 22:04:31,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:31,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:31,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:31,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:31,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:31,625 INFO L87 Difference]: Start difference. First operand 577 states and 737 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:33,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:33,063 INFO L93 Difference]: Finished difference Result 1227 states and 1641 transitions. [2022-12-13 22:04:33,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:33,063 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 22:04:33,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:33,064 INFO L225 Difference]: With dead ends: 1227 [2022-12-13 22:04:33,064 INFO L226 Difference]: Without dead ends: 1096 [2022-12-13 22:04:33,065 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 22:04:33,065 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 1314 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 1693 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:33,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 1693 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:04:33,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2022-12-13 22:04:33,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 573. [2022-12-13 22:04:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 557 states have (on average 1.3141831238779174) internal successors, (732), 572 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:33,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 732 transitions. [2022-12-13 22:04:33,262 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 732 transitions. Word has length 82 [2022-12-13 22:04:33,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:33,263 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 732 transitions. [2022-12-13 22:04:33,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:33,263 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 732 transitions. [2022-12-13 22:04:33,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 22:04:33,263 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:33,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:33,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-13 22:04:33,264 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:33,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:33,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1358540439, now seen corresponding path program 1 times [2022-12-13 22:04:33,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:33,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836930086] [2022-12-13 22:04:33,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:33,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:33,379 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 22:04:33,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:33,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836930086] [2022-12-13 22:04:33,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836930086] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:33,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:33,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:33,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083681881] [2022-12-13 22:04:33,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:33,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:33,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:33,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:33,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:33,381 INFO L87 Difference]: Start difference. First operand 573 states and 732 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:34,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:34,588 INFO L93 Difference]: Finished difference Result 1224 states and 1637 transitions. [2022-12-13 22:04:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:34,588 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 22:04:34,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:34,589 INFO L225 Difference]: With dead ends: 1224 [2022-12-13 22:04:34,589 INFO L226 Difference]: Without dead ends: 1096 [2022-12-13 22:04:34,590 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 22:04:34,590 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 1312 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1312 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:34,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1312 Valid, 1700 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:04:34,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2022-12-13 22:04:34,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 569. [2022-12-13 22:04:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 553 states have (on average 1.3146473779385173) internal successors, (727), 568 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 727 transitions. [2022-12-13 22:04:34,787 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 727 transitions. Word has length 82 [2022-12-13 22:04:34,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:34,787 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 727 transitions. [2022-12-13 22:04:34,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:34,787 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 727 transitions. [2022-12-13 22:04:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 22:04:34,788 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:34,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:34,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-13 22:04:34,788 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:34,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:34,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1796987520, now seen corresponding path program 1 times [2022-12-13 22:04:34,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:34,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434248172] [2022-12-13 22:04:34,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:34,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:34,899 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 22:04:34,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:34,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434248172] [2022-12-13 22:04:34,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434248172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:34,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:34,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:34,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585163385] [2022-12-13 22:04:34,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:34,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:34,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:34,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:34,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:34,901 INFO L87 Difference]: Start difference. First operand 569 states and 727 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:36,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:36,087 INFO L93 Difference]: Finished difference Result 1334 states and 1791 transitions. [2022-12-13 22:04:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:36,088 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 22:04:36,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:36,089 INFO L225 Difference]: With dead ends: 1334 [2022-12-13 22:04:36,089 INFO L226 Difference]: Without dead ends: 1144 [2022-12-13 22:04:36,089 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 22:04:36,090 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 1188 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 2078 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:36,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 2078 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:04:36,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-12-13 22:04:36,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 561. [2022-12-13 22:04:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 545 states have (on average 1.3155963302752294) internal successors, (717), 560 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 717 transitions. [2022-12-13 22:04:36,288 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 717 transitions. Word has length 82 [2022-12-13 22:04:36,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:36,288 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 717 transitions. [2022-12-13 22:04:36,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 717 transitions. [2022-12-13 22:04:36,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 22:04:36,288 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:36,289 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:36,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-13 22:04:36,289 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:36,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:36,289 INFO L85 PathProgramCache]: Analyzing trace with hash -558946144, now seen corresponding path program 1 times [2022-12-13 22:04:36,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:36,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463192397] [2022-12-13 22:04:36,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:36,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:36,405 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 22:04:36,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:36,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463192397] [2022-12-13 22:04:36,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463192397] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:36,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:36,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:36,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358679539] [2022-12-13 22:04:36,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:36,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:36,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:36,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:36,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:36,406 INFO L87 Difference]: Start difference. First operand 561 states and 717 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:37,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:37,640 INFO L93 Difference]: Finished difference Result 1093 states and 1444 transitions. [2022-12-13 22:04:37,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:37,641 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 22:04:37,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:37,642 INFO L225 Difference]: With dead ends: 1093 [2022-12-13 22:04:37,642 INFO L226 Difference]: Without dead ends: 1088 [2022-12-13 22:04:37,642 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 22:04:37,642 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 1732 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 1444 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:37,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 1869 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1444 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:04:37,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-12-13 22:04:37,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 553. [2022-12-13 22:04:37,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 537 states have (on average 1.3165735567970205) internal successors, (707), 552 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:37,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 707 transitions. [2022-12-13 22:04:37,839 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 707 transitions. Word has length 82 [2022-12-13 22:04:37,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:37,839 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 707 transitions. [2022-12-13 22:04:37,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:37,839 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 707 transitions. [2022-12-13 22:04:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 22:04:37,839 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:37,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:37,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-13 22:04:37,840 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:37,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:37,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1458444177, now seen corresponding path program 1 times [2022-12-13 22:04:37,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:37,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428666755] [2022-12-13 22:04:37,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:37,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:37,958 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 22:04:37,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:37,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428666755] [2022-12-13 22:04:37,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428666755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:37,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:37,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:04:37,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388653812] [2022-12-13 22:04:37,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:37,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:04:37,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:37,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:04:37,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:37,959 INFO L87 Difference]: Start difference. First operand 553 states and 707 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:39,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:39,185 INFO L93 Difference]: Finished difference Result 1121 states and 1486 transitions. [2022-12-13 22:04:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:39,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 22:04:39,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:39,187 INFO L225 Difference]: With dead ends: 1121 [2022-12-13 22:04:39,187 INFO L226 Difference]: Without dead ends: 1104 [2022-12-13 22:04:39,187 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 22:04:39,187 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 1137 mSDsluCounter, 1580 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 2112 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:39,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1137 Valid, 2112 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:04:39,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-12-13 22:04:39,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 545. [2022-12-13 22:04:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 529 states have (on average 1.3175803402646502) internal successors, (697), 544 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:39,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 697 transitions. [2022-12-13 22:04:39,385 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 697 transitions. Word has length 82 [2022-12-13 22:04:39,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:39,385 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 697 transitions. [2022-12-13 22:04:39,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:39,385 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 697 transitions. [2022-12-13 22:04:39,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 22:04:39,386 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:39,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:39,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-13 22:04:39,386 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:39,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:39,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1687929497, now seen corresponding path program 1 times [2022-12-13 22:04:39,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:39,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380559566] [2022-12-13 22:04:39,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:39,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:39,809 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 22:04:39,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:39,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380559566] [2022-12-13 22:04:39,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380559566] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:39,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:39,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 22:04:39,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153201804] [2022-12-13 22:04:39,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:39,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 22:04:39,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:39,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 22:04:39,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:04:39,811 INFO L87 Difference]: Start difference. First operand 545 states and 697 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:41,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:41,760 INFO L93 Difference]: Finished difference Result 1370 states and 1763 transitions. [2022-12-13 22:04:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 22:04:41,761 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-12-13 22:04:41,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:41,762 INFO L225 Difference]: With dead ends: 1370 [2022-12-13 22:04:41,762 INFO L226 Difference]: Without dead ends: 1240 [2022-12-13 22:04:41,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-12-13 22:04:41,762 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 2656 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2656 SdHoareTripleChecker+Valid, 3923 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:41,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2656 Valid, 3923 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 22:04:41,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2022-12-13 22:04:41,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 541. [2022-12-13 22:04:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 526 states have (on average 1.3155893536121672) internal successors, (692), 540 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:41,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 692 transitions. [2022-12-13 22:04:41,986 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 692 transitions. Word has length 83 [2022-12-13 22:04:41,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:41,986 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 692 transitions. [2022-12-13 22:04:41,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:41,986 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 692 transitions. [2022-12-13 22:04:41,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 22:04:41,987 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:41,987 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] [2022-12-13 22:04:41,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-13 22:04:41,987 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:41,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:41,987 INFO L85 PathProgramCache]: Analyzing trace with hash -92587651, now seen corresponding path program 1 times [2022-12-13 22:04:41,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:41,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343670904] [2022-12-13 22:04:41,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:41,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:42,483 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 22:04:42,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:42,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343670904] [2022-12-13 22:04:42,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343670904] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:42,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:42,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-12-13 22:04:42,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042327200] [2022-12-13 22:04:42,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:42,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 22:04:42,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:42,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 22:04:42,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-12-13 22:04:42,485 INFO L87 Difference]: Start difference. First operand 541 states and 692 transitions. Second operand has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:43,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:43,948 INFO L93 Difference]: Finished difference Result 1005 states and 1340 transitions. [2022-12-13 22:04:43,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 22:04:43,949 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-12-13 22:04:43,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:43,950 INFO L225 Difference]: With dead ends: 1005 [2022-12-13 22:04:43,950 INFO L226 Difference]: Without dead ends: 769 [2022-12-13 22:04:43,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2022-12-13 22:04:43,951 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 1834 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 3487 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:43,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1834 Valid, 3487 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:04:43,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2022-12-13 22:04:44,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 492. [2022-12-13 22:04:44,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 478 states have (on average 1.3138075313807531) internal successors, (628), 491 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:44,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 628 transitions. [2022-12-13 22:04:44,164 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 628 transitions. Word has length 83 [2022-12-13 22:04:44,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:44,165 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 628 transitions. [2022-12-13 22:04:44,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:44,165 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 628 transitions. [2022-12-13 22:04:44,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 22:04:44,166 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:44,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:44,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-13 22:04:44,166 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:44,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:44,166 INFO L85 PathProgramCache]: Analyzing trace with hash -119228615, now seen corresponding path program 1 times [2022-12-13 22:04:44,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:44,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240752289] [2022-12-13 22:04:44,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:44,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:44,468 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 22:04:44,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:44,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240752289] [2022-12-13 22:04:44,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240752289] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:44,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:44,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 22:04:44,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726420954] [2022-12-13 22:04:44,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:44,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:04:44,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:44,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:04:44,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:04:44,470 INFO L87 Difference]: Start difference. First operand 492 states and 628 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:46,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:46,215 INFO L93 Difference]: Finished difference Result 1458 states and 1997 transitions. [2022-12-13 22:04:46,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 22:04:46,216 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-12-13 22:04:46,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:46,218 INFO L225 Difference]: With dead ends: 1458 [2022-12-13 22:04:46,218 INFO L226 Difference]: Without dead ends: 1278 [2022-12-13 22:04:46,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-12-13 22:04:46,219 INFO L413 NwaCegarLoop]: 808 mSDtfsCounter, 2425 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2425 SdHoareTripleChecker+Valid, 3667 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:46,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2425 Valid, 3667 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 22:04:46,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2022-12-13 22:04:46,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 438. [2022-12-13 22:04:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 427 states have (on average 1.3044496487119437) internal successors, (557), 437 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 557 transitions. [2022-12-13 22:04:46,439 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 557 transitions. Word has length 83 [2022-12-13 22:04:46,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:46,440 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 557 transitions. [2022-12-13 22:04:46,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:46,440 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 557 transitions. [2022-12-13 22:04:46,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 22:04:46,440 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:46,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:46,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-13 22:04:46,440 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:46,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:46,441 INFO L85 PathProgramCache]: Analyzing trace with hash 2051820758, now seen corresponding path program 1 times [2022-12-13 22:04:46,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:46,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015272098] [2022-12-13 22:04:46,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:46,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:47,647 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 22:04:47,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:47,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015272098] [2022-12-13 22:04:47,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015272098] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:47,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:47,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-12-13 22:04:47,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655113931] [2022-12-13 22:04:47,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:47,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-12-13 22:04:47,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:47,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-12-13 22:04:47,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2022-12-13 22:04:47,649 INFO L87 Difference]: Start difference. First operand 438 states and 557 transitions. Second operand has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:52,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:52,253 INFO L93 Difference]: Finished difference Result 1093 states and 1431 transitions. [2022-12-13 22:04:52,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 22:04:52,254 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-12-13 22:04:52,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:52,255 INFO L225 Difference]: With dead ends: 1093 [2022-12-13 22:04:52,255 INFO L226 Difference]: Without dead ends: 963 [2022-12-13 22:04:52,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=444, Invalid=2418, Unknown=0, NotChecked=0, Total=2862 [2022-12-13 22:04:52,256 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 2161 mSDsluCounter, 8130 mSDsCounter, 0 mSdLazyCounter, 4646 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2161 SdHoareTripleChecker+Valid, 8655 SdHoareTripleChecker+Invalid, 4661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 4646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:52,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2161 Valid, 8655 Invalid, 4661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 4646 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 22:04:52,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-12-13 22:04:52,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 453. [2022-12-13 22:04:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 442 states have (on average 1.3076923076923077) internal successors, (578), 452 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:52,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 578 transitions. [2022-12-13 22:04:52,492 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 578 transitions. Word has length 83 [2022-12-13 22:04:52,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:52,492 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 578 transitions. [2022-12-13 22:04:52,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 578 transitions. [2022-12-13 22:04:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 22:04:52,492 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:52,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:52,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-12-13 22:04:52,492 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:52,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:52,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1787055611, now seen corresponding path program 1 times [2022-12-13 22:04:52,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:52,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059171648] [2022-12-13 22:04:52,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:52,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:52,782 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 22:04:52,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:52,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059171648] [2022-12-13 22:04:52,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059171648] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:52,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:52,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 22:04:52,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973728469] [2022-12-13 22:04:52,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:52,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 22:04:52,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:52,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 22:04:52,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:04:52,784 INFO L87 Difference]: Start difference. First operand 453 states and 578 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:54,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:54,308 INFO L93 Difference]: Finished difference Result 1284 states and 1773 transitions. [2022-12-13 22:04:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 22:04:54,308 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-12-13 22:04:54,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:54,310 INFO L225 Difference]: With dead ends: 1284 [2022-12-13 22:04:54,310 INFO L226 Difference]: Without dead ends: 1062 [2022-12-13 22:04:54,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2022-12-13 22:04:54,310 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 2063 mSDsluCounter, 3397 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2063 SdHoareTripleChecker+Valid, 3879 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:54,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2063 Valid, 3879 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 22:04:54,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2022-12-13 22:04:54,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 357. [2022-12-13 22:04:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 350 states have (on average 1.3057142857142856) internal successors, (457), 356 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:54,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 457 transitions. [2022-12-13 22:04:54,532 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 457 transitions. Word has length 83 [2022-12-13 22:04:54,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:54,532 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 457 transitions. [2022-12-13 22:04:54,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 457 transitions. [2022-12-13 22:04:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 22:04:54,533 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:54,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:54,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-13 22:04:54,533 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:54,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:54,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1276582986, now seen corresponding path program 1 times [2022-12-13 22:04:54,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:54,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355212469] [2022-12-13 22:04:54,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:54,869 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 22:04:54,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:54,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355212469] [2022-12-13 22:04:54,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355212469] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:54,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:54,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 22:04:54,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357595372] [2022-12-13 22:04:54,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:54,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:04:54,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:54,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:04:54,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:04:54,871 INFO L87 Difference]: Start difference. First operand 357 states and 457 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:56,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:56,743 INFO L93 Difference]: Finished difference Result 1252 states and 1726 transitions. [2022-12-13 22:04:56,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 22:04:56,744 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-12-13 22:04:56,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:56,745 INFO L225 Difference]: With dead ends: 1252 [2022-12-13 22:04:56,745 INFO L226 Difference]: Without dead ends: 1100 [2022-12-13 22:04:56,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2022-12-13 22:04:56,745 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 1492 mSDsluCounter, 2756 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 3421 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:56,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 3421 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 22:04:56,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2022-12-13 22:04:56,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 320. [2022-12-13 22:04:56,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 315 states have (on average 1.288888888888889) internal successors, (406), 319 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 406 transitions. [2022-12-13 22:04:56,970 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 406 transitions. Word has length 84 [2022-12-13 22:04:56,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:56,971 INFO L495 AbstractCegarLoop]: Abstraction has 320 states and 406 transitions. [2022-12-13 22:04:56,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 406 transitions. [2022-12-13 22:04:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 22:04:56,971 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:56,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:56,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-12-13 22:04:56,972 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:56,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:56,972 INFO L85 PathProgramCache]: Analyzing trace with hash -610164347, now seen corresponding path program 1 times [2022-12-13 22:04:56,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:56,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004594820] [2022-12-13 22:04:56,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:56,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:57,329 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 22:04:57,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:57,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004594820] [2022-12-13 22:04:57,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004594820] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:57,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:57,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 22:04:57,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889637891] [2022-12-13 22:04:57,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:57,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 22:04:57,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:57,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 22:04:57,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:04:57,331 INFO L87 Difference]: Start difference. First operand 320 states and 406 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:58,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:58,912 INFO L93 Difference]: Finished difference Result 993 states and 1337 transitions. [2022-12-13 22:04:58,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 22:04:58,913 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-12-13 22:04:58,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:58,914 INFO L225 Difference]: With dead ends: 993 [2022-12-13 22:04:58,914 INFO L226 Difference]: Without dead ends: 856 [2022-12-13 22:04:58,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-12-13 22:04:58,914 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 1738 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 2152 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:58,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1738 Valid, 2152 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 22:04:58,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2022-12-13 22:04:59,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 309. [2022-12-13 22:04:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 305 states have (on average 1.2852459016393443) internal successors, (392), 308 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 392 transitions. [2022-12-13 22:04:59,145 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 392 transitions. Word has length 84 [2022-12-13 22:04:59,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:59,145 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 392 transitions. [2022-12-13 22:04:59,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:59,145 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 392 transitions. [2022-12-13 22:04:59,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 22:04:59,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:59,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:59,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-13 22:04:59,146 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:04:59,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:59,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1057356833, now seen corresponding path program 1 times [2022-12-13 22:04:59,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:59,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379853828] [2022-12-13 22:04:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:59,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:59,539 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 22:04:59,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:59,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379853828] [2022-12-13 22:04:59,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379853828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:59,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:59,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-12-13 22:04:59,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146621489] [2022-12-13 22:04:59,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:59,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 22:04:59,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:59,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 22:04:59,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-12-13 22:04:59,540 INFO L87 Difference]: Start difference. First operand 309 states and 392 transitions. Second operand has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:00,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:00,522 INFO L93 Difference]: Finished difference Result 637 states and 849 transitions. [2022-12-13 22:05:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 22:05:00,523 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-12-13 22:05:00,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:00,523 INFO L225 Difference]: With dead ends: 637 [2022-12-13 22:05:00,524 INFO L226 Difference]: Without dead ends: 487 [2022-12-13 22:05:00,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2022-12-13 22:05:00,524 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 705 mSDsluCounter, 1792 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 2128 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:00,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 2128 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 22:05:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-12-13 22:05:00,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 285. [2022-12-13 22:05:00,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 282 states have (on average 1.2801418439716312) internal successors, (361), 284 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:00,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 361 transitions. [2022-12-13 22:05:00,758 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 361 transitions. Word has length 84 [2022-12-13 22:05:00,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:00,758 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 361 transitions. [2022-12-13 22:05:00,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:00,758 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 361 transitions. [2022-12-13 22:05:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 22:05:00,759 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:00,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:00,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-13 22:05:00,759 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:00,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:00,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1707932206, now seen corresponding path program 1 times [2022-12-13 22:05:00,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:00,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020339245] [2022-12-13 22:05:00,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:00,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:00,996 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 22:05:00,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:00,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020339245] [2022-12-13 22:05:00,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020339245] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:00,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:00,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 22:05:00,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014142042] [2022-12-13 22:05:00,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:00,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:05:00,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:00,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:05:00,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:05:00,997 INFO L87 Difference]: Start difference. First operand 285 states and 361 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:04,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:04,531 INFO L93 Difference]: Finished difference Result 1737 states and 2426 transitions. [2022-12-13 22:05:04,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 22:05:04,531 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-12-13 22:05:04,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:04,532 INFO L225 Difference]: With dead ends: 1737 [2022-12-13 22:05:04,532 INFO L226 Difference]: Without dead ends: 1581 [2022-12-13 22:05:04,533 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 22:05:04,533 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 3548 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3548 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:04,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3548 Valid, 1583 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 22:05:04,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2022-12-13 22:05:04,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 293. [2022-12-13 22:05:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 290 states have (on average 1.2724137931034483) internal successors, (369), 292 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:04,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 369 transitions. [2022-12-13 22:05:04,781 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 369 transitions. Word has length 84 [2022-12-13 22:05:04,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:04,781 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 369 transitions. [2022-12-13 22:05:04,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:04,781 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2022-12-13 22:05:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 22:05:04,781 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:04,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:04,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-12-13 22:05:04,782 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:04,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:04,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1658257545, now seen corresponding path program 1 times [2022-12-13 22:05:04,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:04,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171577515] [2022-12-13 22:05:04,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:04,900 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 22:05:04,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:04,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171577515] [2022-12-13 22:05:04,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171577515] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:04,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:04,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:05:04,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486010991] [2022-12-13 22:05:04,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:04,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:05:04,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:04,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:05:04,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:05:04,902 INFO L87 Difference]: Start difference. First operand 293 states and 369 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:05,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:05,646 INFO L93 Difference]: Finished difference Result 476 states and 615 transitions. [2022-12-13 22:05:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 22:05:05,647 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-12-13 22:05:05,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:05,647 INFO L225 Difference]: With dead ends: 476 [2022-12-13 22:05:05,647 INFO L226 Difference]: Without dead ends: 469 [2022-12-13 22:05:05,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-12-13 22:05:05,648 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 1242 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:05,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 557 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 22:05:05,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-12-13 22:05:05,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 293. [2022-12-13 22:05:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 290 states have (on average 1.2689655172413794) internal successors, (368), 292 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:05,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 368 transitions. [2022-12-13 22:05:05,890 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 368 transitions. Word has length 85 [2022-12-13 22:05:05,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:05,890 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 368 transitions. [2022-12-13 22:05:05,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:05,890 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 368 transitions. [2022-12-13 22:05:05,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 22:05:05,890 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:05,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:05,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-12-13 22:05:05,891 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:05,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:05,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1176082131, now seen corresponding path program 1 times [2022-12-13 22:05:05,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:05,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732785955] [2022-12-13 22:05:05,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:05,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:06,016 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 22:05:06,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:06,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732785955] [2022-12-13 22:05:06,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732785955] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:06,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:06,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:05:06,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815009878] [2022-12-13 22:05:06,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:06,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:05:06,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:06,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:05:06,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:05:06,018 INFO L87 Difference]: Start difference. First operand 293 states and 368 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:06,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:06,806 INFO L93 Difference]: Finished difference Result 635 states and 839 transitions. [2022-12-13 22:05:06,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 22:05:06,806 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-12-13 22:05:06,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:06,807 INFO L225 Difference]: With dead ends: 635 [2022-12-13 22:05:06,807 INFO L226 Difference]: Without dead ends: 479 [2022-12-13 22:05:06,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-12-13 22:05:06,807 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 1007 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:06,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 736 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 22:05:06,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-12-13 22:05:07,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 285. [2022-12-13 22:05:07,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 282 states have (on average 1.2695035460992907) internal successors, (358), 284 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 358 transitions. [2022-12-13 22:05:07,045 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 358 transitions. Word has length 85 [2022-12-13 22:05:07,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:07,045 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 358 transitions. [2022-12-13 22:05:07,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:07,045 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 358 transitions. [2022-12-13 22:05:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 22:05:07,045 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:07,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:07,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-12-13 22:05:07,046 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:07,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:07,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1161243347, now seen corresponding path program 1 times [2022-12-13 22:05:07,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:07,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899019506] [2022-12-13 22:05:07,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:07,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:08,054 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 22:05:08,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:08,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899019506] [2022-12-13 22:05:08,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899019506] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:08,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:08,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-12-13 22:05:08,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001626610] [2022-12-13 22:05:08,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:08,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 22:05:08,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:08,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 22:05:08,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2022-12-13 22:05:08,056 INFO L87 Difference]: Start difference. First operand 285 states and 358 transitions. Second operand has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:11,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:11,838 INFO L93 Difference]: Finished difference Result 1021 states and 1388 transitions. [2022-12-13 22:05:11,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-12-13 22:05:11,839 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-12-13 22:05:11,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:11,839 INFO L225 Difference]: With dead ends: 1021 [2022-12-13 22:05:11,840 INFO L226 Difference]: Without dead ends: 1015 [2022-12-13 22:05:11,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=436, Invalid=2216, Unknown=0, NotChecked=0, Total=2652 [2022-12-13 22:05:11,840 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 1433 mSDsluCounter, 4291 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:11,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 4581 Invalid, 2331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 22:05:11,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2022-12-13 22:05:12,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 301. [2022-12-13 22:05:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 298 states have (on average 1.2684563758389262) internal successors, (378), 300 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 378 transitions. [2022-12-13 22:05:12,092 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 378 transitions. Word has length 86 [2022-12-13 22:05:12,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:12,092 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 378 transitions. [2022-12-13 22:05:12,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 378 transitions. [2022-12-13 22:05:12,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-13 22:05:12,093 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:12,093 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:12,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-12-13 22:05:12,093 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:12,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:12,093 INFO L85 PathProgramCache]: Analyzing trace with hash 91928287, now seen corresponding path program 1 times [2022-12-13 22:05:12,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:12,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402110367] [2022-12-13 22:05:12,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:12,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:12,387 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 22:05:12,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:12,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402110367] [2022-12-13 22:05:12,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402110367] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:12,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:12,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 22:05:12,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065460897] [2022-12-13 22:05:12,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:12,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:05:12,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:12,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:05:12,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:05:12,389 INFO L87 Difference]: Start difference. First operand 301 states and 378 transitions. Second operand has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:13,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:13,952 INFO L93 Difference]: Finished difference Result 747 states and 1004 transitions. [2022-12-13 22:05:13,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 22:05:13,953 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-12-13 22:05:13,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:13,954 INFO L225 Difference]: With dead ends: 747 [2022-12-13 22:05:13,954 INFO L226 Difference]: Without dead ends: 741 [2022-12-13 22:05:13,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2022-12-13 22:05:13,954 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 1201 mSDsluCounter, 1941 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 2411 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:13,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 2411 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 22:05:13,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-12-13 22:05:14,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 279. [2022-12-13 22:05:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 278 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 351 transitions. [2022-12-13 22:05:14,201 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 351 transitions. Word has length 87 [2022-12-13 22:05:14,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:14,201 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 351 transitions. [2022-12-13 22:05:14,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 351 transitions. [2022-12-13 22:05:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-13 22:05:14,201 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:14,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:14,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-12-13 22:05:14,202 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:14,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:14,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1263441831, now seen corresponding path program 1 times [2022-12-13 22:05:14,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:14,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537509926] [2022-12-13 22:05:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:14,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:15,781 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 22:05:15,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:15,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537509926] [2022-12-13 22:05:15,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537509926] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:15,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:15,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-12-13 22:05:15,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669207661] [2022-12-13 22:05:15,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:15,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 22:05:15,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:15,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 22:05:15,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2022-12-13 22:05:15,783 INFO L87 Difference]: Start difference. First operand 279 states and 351 transitions. Second operand has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:19,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:19,413 INFO L93 Difference]: Finished difference Result 343 states and 414 transitions. [2022-12-13 22:05:19,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 22:05:19,414 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-12-13 22:05:19,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:19,414 INFO L225 Difference]: With dead ends: 343 [2022-12-13 22:05:19,414 INFO L226 Difference]: Without dead ends: 335 [2022-12-13 22:05:19,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=524, Invalid=2128, Unknown=0, NotChecked=0, Total=2652 [2022-12-13 22:05:19,415 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 631 mSDsluCounter, 3016 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 1779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:19,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 3221 Invalid, 1779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 22:05:19,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-12-13 22:05:19,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 289. [2022-12-13 22:05:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 287 states have (on average 1.2613240418118468) internal successors, (362), 288 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 362 transitions. [2022-12-13 22:05:19,673 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 362 transitions. Word has length 87 [2022-12-13 22:05:19,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:19,673 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 362 transitions. [2022-12-13 22:05:19,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:19,674 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 362 transitions. [2022-12-13 22:05:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-13 22:05:19,674 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:19,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:05:19,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-12-13 22:05:19,674 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:19,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:19,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1503610841, now seen corresponding path program 1 times [2022-12-13 22:05:19,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:19,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050929050] [2022-12-13 22:05:19,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:19,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:19,872 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 22:05:19,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:19,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050929050] [2022-12-13 22:05:19,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050929050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:19,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:19,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 22:05:19,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898566817] [2022-12-13 22:05:19,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:19,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 22:05:19,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:19,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 22:05:19,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:05:19,873 INFO L87 Difference]: Start difference. First operand 289 states and 362 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:20,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:20,948 INFO L93 Difference]: Finished difference Result 681 states and 928 transitions. [2022-12-13 22:05:20,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 22:05:20,949 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-12-13 22:05:20,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:20,950 INFO L225 Difference]: With dead ends: 681 [2022-12-13 22:05:20,950 INFO L226 Difference]: Without dead ends: 641 [2022-12-13 22:05:20,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-12-13 22:05:20,950 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1020 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:20,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 906 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:05:20,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-12-13 22:05:21,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 249. [2022-12-13 22:05:21,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 1.282258064516129) internal successors, (318), 248 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 318 transitions. [2022-12-13 22:05:21,189 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 318 transitions. Word has length 88 [2022-12-13 22:05:21,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:21,189 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 318 transitions. [2022-12-13 22:05:21,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 318 transitions. [2022-12-13 22:05:21,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-13 22:05:21,190 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:21,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:21,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-12-13 22:05:21,190 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:21,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:21,191 INFO L85 PathProgramCache]: Analyzing trace with hash -2132814901, now seen corresponding path program 1 times [2022-12-13 22:05:21,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:21,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911464332] [2022-12-13 22:05:21,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:21,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:21,263 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 22:05:21,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:21,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911464332] [2022-12-13 22:05:21,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911464332] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:21,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:21,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:05:21,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809369496] [2022-12-13 22:05:21,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:21,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:05:21,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:21,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:05:21,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:05:21,265 INFO L87 Difference]: Start difference. First operand 249 states and 318 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:23,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:23,416 INFO L93 Difference]: Finished difference Result 1509 states and 2158 transitions. [2022-12-13 22:05:23,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 22:05:23,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-12-13 22:05:23,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:23,417 INFO L225 Difference]: With dead ends: 1509 [2022-12-13 22:05:23,417 INFO L226 Difference]: Without dead ends: 1383 [2022-12-13 22:05:23,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-12-13 22:05:23,418 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1252 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 2156 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:23,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 2156 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:05:23,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2022-12-13 22:05:23,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 373. [2022-12-13 22:05:23,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 372 states have (on average 1.3413978494623655) internal successors, (499), 372 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:23,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 499 transitions. [2022-12-13 22:05:23,912 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 499 transitions. Word has length 114 [2022-12-13 22:05:23,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:23,912 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 499 transitions. [2022-12-13 22:05:23,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:23,912 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 499 transitions. [2022-12-13 22:05:23,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 22:05:23,913 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:23,913 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] [2022-12-13 22:05:23,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-12-13 22:05:23,913 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:23,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:23,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1778175941, now seen corresponding path program 1 times [2022-12-13 22:05:23,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:23,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151851570] [2022-12-13 22:05:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:23,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:24,025 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 22:05:24,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:24,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151851570] [2022-12-13 22:05:24,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151851570] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:24,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:24,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:05:24,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61579858] [2022-12-13 22:05:24,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:24,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:05:24,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:24,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:05:24,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:05:24,027 INFO L87 Difference]: Start difference. First operand 373 states and 499 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:26,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:26,440 INFO L93 Difference]: Finished difference Result 1749 states and 2506 transitions. [2022-12-13 22:05:26,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:05:26,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-12-13 22:05:26,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:26,442 INFO L225 Difference]: With dead ends: 1749 [2022-12-13 22:05:26,442 INFO L226 Difference]: Without dead ends: 1499 [2022-12-13 22:05:26,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:05:26,443 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1016 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:26,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1016 Valid, 1227 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:05:26,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2022-12-13 22:05:27,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 497. [2022-12-13 22:05:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 496 states have (on average 1.3709677419354838) internal successors, (680), 496 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 680 transitions. [2022-12-13 22:05:27,124 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 680 transitions. Word has length 116 [2022-12-13 22:05:27,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:27,124 INFO L495 AbstractCegarLoop]: Abstraction has 497 states and 680 transitions. [2022-12-13 22:05:27,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:27,125 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 680 transitions. [2022-12-13 22:05:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 22:05:27,125 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:27,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:27,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-12-13 22:05:27,125 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:27,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:27,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1881237749, now seen corresponding path program 1 times [2022-12-13 22:05:27,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:27,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295431163] [2022-12-13 22:05:27,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:27,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:27,213 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 22:05:27,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:27,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295431163] [2022-12-13 22:05:27,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295431163] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:27,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:27,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:05:27,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588694589] [2022-12-13 22:05:27,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:27,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:05:27,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:27,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:05:27,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:05:27,214 INFO L87 Difference]: Start difference. First operand 497 states and 680 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:29,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:29,848 INFO L93 Difference]: Finished difference Result 1873 states and 2687 transitions. [2022-12-13 22:05:29,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:05:29,848 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-12-13 22:05:29,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:29,850 INFO L225 Difference]: With dead ends: 1873 [2022-12-13 22:05:29,850 INFO L226 Difference]: Without dead ends: 1623 [2022-12-13 22:05:29,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:05:29,850 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1016 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:29,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1016 Valid, 1127 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:05:29,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2022-12-13 22:05:30,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 745. [2022-12-13 22:05:30,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 744 states have (on average 1.4005376344086022) internal successors, (1042), 744 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1042 transitions. [2022-12-13 22:05:30,955 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1042 transitions. Word has length 116 [2022-12-13 22:05:30,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:30,955 INFO L495 AbstractCegarLoop]: Abstraction has 745 states and 1042 transitions. [2022-12-13 22:05:30,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1042 transitions. [2022-12-13 22:05:30,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 22:05:30,956 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:30,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:30,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-12-13 22:05:30,956 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:30,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:30,957 INFO L85 PathProgramCache]: Analyzing trace with hash -455453719, now seen corresponding path program 1 times [2022-12-13 22:05:30,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:30,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106840363] [2022-12-13 22:05:30,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:30,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:31,039 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 22:05:31,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:31,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106840363] [2022-12-13 22:05:31,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106840363] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:31,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:31,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:05:31,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681806161] [2022-12-13 22:05:31,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:31,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:05:31,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:31,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:05:31,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:05:31,040 INFO L87 Difference]: Start difference. First operand 745 states and 1042 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:33,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:33,906 INFO L93 Difference]: Finished difference Result 1997 states and 2868 transitions. [2022-12-13 22:05:33,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:05:33,907 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-12-13 22:05:33,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:33,908 INFO L225 Difference]: With dead ends: 1997 [2022-12-13 22:05:33,908 INFO L226 Difference]: Without dead ends: 1747 [2022-12-13 22:05:33,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:05:33,909 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 1094 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:33,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 1165 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:05:33,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2022-12-13 22:05:35,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 869. [2022-12-13 22:05:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 868 states have (on average 1.4089861751152073) internal successors, (1223), 868 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1223 transitions. [2022-12-13 22:05:35,234 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1223 transitions. Word has length 116 [2022-12-13 22:05:35,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:35,234 INFO L495 AbstractCegarLoop]: Abstraction has 869 states and 1223 transitions. [2022-12-13 22:05:35,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1223 transitions. [2022-12-13 22:05:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 22:05:35,235 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:35,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:35,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-12-13 22:05:35,235 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:35,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:35,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2067568748, now seen corresponding path program 1 times [2022-12-13 22:05:35,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:35,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806018137] [2022-12-13 22:05:35,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:35,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:35,396 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 22:05:35,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:35,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806018137] [2022-12-13 22:05:35,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806018137] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:35,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:35,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:05:35,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292507444] [2022-12-13 22:05:35,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:35,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:05:35,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:35,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:05:35,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:05:35,397 INFO L87 Difference]: Start difference. First operand 869 states and 1223 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:37,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:37,479 INFO L93 Difference]: Finished difference Result 1989 states and 2856 transitions. [2022-12-13 22:05:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:05:37,480 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-12-13 22:05:37,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:37,481 INFO L225 Difference]: With dead ends: 1989 [2022-12-13 22:05:37,481 INFO L226 Difference]: Without dead ends: 1243 [2022-12-13 22:05:37,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:05:37,482 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 97 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:37,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 641 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:05:37,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2022-12-13 22:05:39,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1241. [2022-12-13 22:05:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1240 states have (on average 1.4161290322580644) internal successors, (1756), 1240 states have internal predecessors, (1756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:39,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1756 transitions. [2022-12-13 22:05:39,461 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1756 transitions. Word has length 116 [2022-12-13 22:05:39,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:39,461 INFO L495 AbstractCegarLoop]: Abstraction has 1241 states and 1756 transitions. [2022-12-13 22:05:39,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1756 transitions. [2022-12-13 22:05:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 22:05:39,462 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:39,462 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] [2022-12-13 22:05:39,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-12-13 22:05:39,462 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:39,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:39,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1298275755, now seen corresponding path program 1 times [2022-12-13 22:05:39,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:39,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209498505] [2022-12-13 22:05:39,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:39,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:39,499 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 22:05:39,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:39,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209498505] [2022-12-13 22:05:39,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209498505] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:39,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:39,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:05:39,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833950968] [2022-12-13 22:05:39,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:39,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:05:39,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:39,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:05:39,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:05:39,500 INFO L87 Difference]: Start difference. First operand 1241 states and 1756 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:41,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:41,511 INFO L93 Difference]: Finished difference Result 2369 states and 3388 transitions. [2022-12-13 22:05:41,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:05:41,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-12-13 22:05:41,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:41,513 INFO L225 Difference]: With dead ends: 2369 [2022-12-13 22:05:41,513 INFO L226 Difference]: Without dead ends: 1233 [2022-12-13 22:05:41,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:05:41,514 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 0 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:41,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 370 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:05:41,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2022-12-13 22:05:43,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1233. [2022-12-13 22:05:43,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1233 states, 1232 states have (on average 1.4042207792207793) internal successors, (1730), 1232 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1730 transitions. [2022-12-13 22:05:43,456 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1730 transitions. Word has length 116 [2022-12-13 22:05:43,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:43,456 INFO L495 AbstractCegarLoop]: Abstraction has 1233 states and 1730 transitions. [2022-12-13 22:05:43,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:43,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1730 transitions. [2022-12-13 22:05:43,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 22:05:43,457 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:43,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:43,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-12-13 22:05:43,457 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:43,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:43,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1451686365, now seen corresponding path program 1 times [2022-12-13 22:05:43,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:43,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837661013] [2022-12-13 22:05:43,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:43,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:43,543 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 22:05:43,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:43,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837661013] [2022-12-13 22:05:43,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837661013] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:43,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:43,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:05:43,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384686374] [2022-12-13 22:05:43,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:43,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:05:43,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:43,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:05:43,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:05:43,545 INFO L87 Difference]: Start difference. First operand 1233 states and 1730 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:47,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:47,315 INFO L93 Difference]: Finished difference Result 2475 states and 3516 transitions. [2022-12-13 22:05:47,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:05:47,316 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-12-13 22:05:47,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:47,317 INFO L225 Difference]: With dead ends: 2475 [2022-12-13 22:05:47,318 INFO L226 Difference]: Without dead ends: 2227 [2022-12-13 22:05:47,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:05:47,318 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1001 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1001 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:47,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1001 Valid, 1179 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:05:47,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2022-12-13 22:05:49,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 1479. [2022-12-13 22:05:49,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1478 states have (on average 1.4100135317997293) internal successors, (2084), 1478 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:49,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2084 transitions. [2022-12-13 22:05:49,697 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2084 transitions. Word has length 116 [2022-12-13 22:05:49,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:49,697 INFO L495 AbstractCegarLoop]: Abstraction has 1479 states and 2084 transitions. [2022-12-13 22:05:49,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:49,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2084 transitions. [2022-12-13 22:05:49,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 22:05:49,697 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:49,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:49,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-12-13 22:05:49,698 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:49,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:49,698 INFO L85 PathProgramCache]: Analyzing trace with hash -871511505, now seen corresponding path program 1 times [2022-12-13 22:05:49,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:49,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789909676] [2022-12-13 22:05:49,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:49,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:05:49,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:49,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789909676] [2022-12-13 22:05:49,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789909676] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:49,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:49,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:05:49,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234231238] [2022-12-13 22:05:49,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:49,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:05:49,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:49,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:05:49,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:05:49,785 INFO L87 Difference]: Start difference. First operand 1479 states and 2084 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:53,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:53,935 INFO L93 Difference]: Finished difference Result 2721 states and 3870 transitions. [2022-12-13 22:05:53,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:05:53,936 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-12-13 22:05:53,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:53,938 INFO L225 Difference]: With dead ends: 2721 [2022-12-13 22:05:53,938 INFO L226 Difference]: Without dead ends: 2473 [2022-12-13 22:05:53,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:05:53,939 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 943 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:53,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 1326 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:05:53,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2473 states. [2022-12-13 22:05:56,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2473 to 1725. [2022-12-13 22:05:56,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1725 states, 1724 states have (on average 1.41415313225058) internal successors, (2438), 1724 states have internal predecessors, (2438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 2438 transitions. [2022-12-13 22:05:56,808 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 2438 transitions. Word has length 116 [2022-12-13 22:05:56,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:56,808 INFO L495 AbstractCegarLoop]: Abstraction has 1725 states and 2438 transitions. [2022-12-13 22:05:56,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2438 transitions. [2022-12-13 22:05:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-13 22:05:56,809 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:56,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:56,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-12-13 22:05:56,809 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:05:56,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:56,809 INFO L85 PathProgramCache]: Analyzing trace with hash -389045736, now seen corresponding path program 1 times [2022-12-13 22:05:56,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:56,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294418812] [2022-12-13 22:05:56,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:56,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:56,883 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 22:05:56,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:56,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294418812] [2022-12-13 22:05:56,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294418812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:56,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:56,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:05:56,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561151720] [2022-12-13 22:05:56,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:56,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:05:56,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:56,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:05:56,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:05:56,885 INFO L87 Difference]: Start difference. First operand 1725 states and 2438 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:06:02,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:06:02,438 INFO L93 Difference]: Finished difference Result 4825 states and 6864 transitions. [2022-12-13 22:06:02,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:06:02,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-12-13 22:06:02,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:06:02,441 INFO L225 Difference]: With dead ends: 4825 [2022-12-13 22:06:02,441 INFO L226 Difference]: Without dead ends: 3223 [2022-12-13 22:06:02,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:06:02,442 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 92 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:06:02,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 408 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:06:02,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3223 states. [2022-12-13 22:06:07,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3223 to 3117. [2022-12-13 22:06:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3117 states, 3116 states have (on average 1.4088575096277278) internal successors, (4390), 3116 states have internal predecessors, (4390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:06:07,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 4390 transitions. [2022-12-13 22:06:07,717 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 4390 transitions. Word has length 117 [2022-12-13 22:06:07,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:06:07,717 INFO L495 AbstractCegarLoop]: Abstraction has 3117 states and 4390 transitions. [2022-12-13 22:06:07,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:06:07,717 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 4390 transitions. [2022-12-13 22:06:07,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-13 22:06:07,718 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:06:07,718 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] [2022-12-13 22:06:07,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-12-13 22:06:07,718 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:06:07,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:06:07,718 INFO L85 PathProgramCache]: Analyzing trace with hash 966003247, now seen corresponding path program 1 times [2022-12-13 22:06:07,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:06:07,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156854849] [2022-12-13 22:06:07,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:06:07,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:06:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:06:07,785 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 22:06:07,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:06:07,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156854849] [2022-12-13 22:06:07,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156854849] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:06:07,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:06:07,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:06:07,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578757986] [2022-12-13 22:06:07,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:06:07,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:06:07,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:06:07,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:06:07,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:06:07,786 INFO L87 Difference]: Start difference. First operand 3117 states and 4390 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:06:18,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:06:18,083 INFO L93 Difference]: Finished difference Result 8897 states and 12538 transitions. [2022-12-13 22:06:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:06:18,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-12-13 22:06:18,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:06:18,088 INFO L225 Difference]: With dead ends: 8897 [2022-12-13 22:06:18,088 INFO L226 Difference]: Without dead ends: 5903 [2022-12-13 22:06:18,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:06:18,090 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 85 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:06:18,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 408 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:06:18,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5903 states. [2022-12-13 22:06:27,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5903 to 5693. [2022-12-13 22:06:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5693 states, 5692 states have (on average 1.4000351370344344) internal successors, (7969), 5692 states have internal predecessors, (7969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:06:28,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5693 states to 5693 states and 7969 transitions. [2022-12-13 22:06:28,006 INFO L78 Accepts]: Start accepts. Automaton has 5693 states and 7969 transitions. Word has length 118 [2022-12-13 22:06:28,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:06:28,007 INFO L495 AbstractCegarLoop]: Abstraction has 5693 states and 7969 transitions. [2022-12-13 22:06:28,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:06:28,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5693 states and 7969 transitions. [2022-12-13 22:06:28,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-13 22:06:28,007 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:06:28,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:28,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-12-13 22:06:28,007 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:06:28,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:06:28,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1314946245, now seen corresponding path program 1 times [2022-12-13 22:06:28,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:06:28,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332346816] [2022-12-13 22:06:28,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:06:28,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:06:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:06:28,075 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 22:06:28,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:06:28,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332346816] [2022-12-13 22:06:28,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332346816] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:06:28,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:06:28,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:06:28,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372695679] [2022-12-13 22:06:28,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:06:28,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:06:28,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:06:28,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:06:28,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:06:28,077 INFO L87 Difference]: Start difference. First operand 5693 states and 7969 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:06:47,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:06:47,566 INFO L93 Difference]: Finished difference Result 16417 states and 22911 transitions. [2022-12-13 22:06:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:06:47,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-12-13 22:06:47,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:06:47,575 INFO L225 Difference]: With dead ends: 16417 [2022-12-13 22:06:47,575 INFO L226 Difference]: Without dead ends: 10847 [2022-12-13 22:06:47,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:06:47,578 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 78 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:06:47,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 408 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:06:47,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10847 states. [2022-12-13 22:07:06,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10847 to 10429. [2022-12-13 22:07:06,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10429 states, 10428 states have (on average 1.3857882623705409) internal successors, (14451), 10428 states have internal predecessors, (14451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:07:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10429 states to 10429 states and 14451 transitions. [2022-12-13 22:07:06,105 INFO L78 Accepts]: Start accepts. Automaton has 10429 states and 14451 transitions. Word has length 119 [2022-12-13 22:07:06,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:07:06,105 INFO L495 AbstractCegarLoop]: Abstraction has 10429 states and 14451 transitions. [2022-12-13 22:07:06,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:07:06,106 INFO L276 IsEmpty]: Start isEmpty. Operand 10429 states and 14451 transitions. [2022-12-13 22:07:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 22:07:06,106 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:07:06,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:06,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-12-13 22:07:06,107 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:07:06,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:07:06,107 INFO L85 PathProgramCache]: Analyzing trace with hash -590316034, now seen corresponding path program 1 times [2022-12-13 22:07:06,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:07:06,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350354867] [2022-12-13 22:07:06,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:07:06,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:07:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:07:06,204 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 22:07:06,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:07:06,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350354867] [2022-12-13 22:07:06,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350354867] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:07:06,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:07:06,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:07:06,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276978619] [2022-12-13 22:07:06,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:07:06,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:07:06,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:07:06,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:07:06,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:07:06,205 INFO L87 Difference]: Start difference. First operand 10429 states and 14451 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:07:42,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:07:42,385 INFO L93 Difference]: Finished difference Result 30209 states and 41629 transitions. [2022-12-13 22:07:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:07:42,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-12-13 22:07:42,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:07:42,403 INFO L225 Difference]: With dead ends: 30209 [2022-12-13 22:07:42,403 INFO L226 Difference]: Without dead ends: 19903 [2022-12-13 22:07:42,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:07:42,410 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 71 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:07:42,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 407 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:07:42,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19903 states. [2022-12-13 22:08:18,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19903 to 19069. [2022-12-13 22:08:18,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19069 states, 19068 states have (on average 1.3668449758758128) internal successors, (26063), 19068 states have internal predecessors, (26063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:08:18,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19069 states to 19069 states and 26063 transitions. [2022-12-13 22:08:18,303 INFO L78 Accepts]: Start accepts. Automaton has 19069 states and 26063 transitions. Word has length 120 [2022-12-13 22:08:18,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:08:18,303 INFO L495 AbstractCegarLoop]: Abstraction has 19069 states and 26063 transitions. [2022-12-13 22:08:18,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:08:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 19069 states and 26063 transitions. [2022-12-13 22:08:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-13 22:08:18,304 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:08:18,304 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] [2022-12-13 22:08:18,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-12-13 22:08:18,304 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:08:18,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:08:18,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1670009354, now seen corresponding path program 1 times [2022-12-13 22:08:18,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:08:18,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741915256] [2022-12-13 22:08:18,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:08:18,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:08:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:08:18,394 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 22:08:18,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:08:18,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741915256] [2022-12-13 22:08:18,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741915256] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:08:18,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:08:18,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:08:18,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821466078] [2022-12-13 22:08:18,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:08:18,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:08:18,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:08:18,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:08:18,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:08:18,395 INFO L87 Difference]: Start difference. First operand 19069 states and 26063 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:09:26,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:09:26,418 INFO L93 Difference]: Finished difference Result 55297 states and 75009 transitions. [2022-12-13 22:09:26,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:09:26,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-12-13 22:09:26,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:09:26,454 INFO L225 Difference]: With dead ends: 55297 [2022-12-13 22:09:26,454 INFO L226 Difference]: Without dead ends: 36351 [2022-12-13 22:09:26,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:09:26,469 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 61 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:09:26,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 406 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:09:26,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36351 states. [2022-12-13 22:10:32,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36351 to 34685. [2022-12-13 22:10:32,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34685 states, 34684 states have (on average 1.3430688501902894) internal successors, (46583), 34684 states have internal predecessors, (46583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:32,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34685 states to 34685 states and 46583 transitions. [2022-12-13 22:10:32,639 INFO L78 Accepts]: Start accepts. Automaton has 34685 states and 46583 transitions. Word has length 121 [2022-12-13 22:10:32,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:32,639 INFO L495 AbstractCegarLoop]: Abstraction has 34685 states and 46583 transitions. [2022-12-13 22:10:32,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 34685 states and 46583 transitions. [2022-12-13 22:10:32,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 22:10:32,640 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:32,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:32,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-12-13 22:10:32,640 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:10:32,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:32,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1801378661, now seen corresponding path program 1 times [2022-12-13 22:10:32,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:32,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770749645] [2022-12-13 22:10:32,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:32,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:32,796 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 22:10:32,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:32,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770749645] [2022-12-13 22:10:32,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770749645] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:32,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:32,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:10:32,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477493467] [2022-12-13 22:10:32,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:32,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:10:32,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:32,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:10:32,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:10:32,798 INFO L87 Difference]: Start difference. First operand 34685 states and 46583 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:11:56,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:56,441 INFO L93 Difference]: Finished difference Result 41013 states and 54495 transitions. [2022-12-13 22:11:56,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:11:56,442 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-12-13 22:11:56,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:56,479 INFO L225 Difference]: With dead ends: 41013 [2022-12-13 22:11:56,479 INFO L226 Difference]: Without dead ends: 41011 [2022-12-13 22:11:56,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:11:56,486 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 306 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:56,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 962 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:11:56,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41011 states. [2022-12-13 22:13:01,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41011 to 34685. [2022-12-13 22:13:01,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34685 states, 34684 states have (on average 1.3301522315765195) internal successors, (46135), 34684 states have internal predecessors, (46135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:13:01,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34685 states to 34685 states and 46135 transitions. [2022-12-13 22:13:01,858 INFO L78 Accepts]: Start accepts. Automaton has 34685 states and 46135 transitions. Word has length 122 [2022-12-13 22:13:01,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:13:01,858 INFO L495 AbstractCegarLoop]: Abstraction has 34685 states and 46135 transitions. [2022-12-13 22:13:01,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:13:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 34685 states and 46135 transitions. [2022-12-13 22:13:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-13 22:13:01,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:13:01,863 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:01,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-12-13 22:13:01,863 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 22:13:01,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:13:01,863 INFO L85 PathProgramCache]: Analyzing trace with hash 139304431, now seen corresponding path program 1 times [2022-12-13 22:13:01,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:13:01,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061882173] [2022-12-13 22:13:01,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:01,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:13:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:02,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:13:02,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061882173] [2022-12-13 22:13:02,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061882173] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:13:02,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443551107] [2022-12-13 22:13:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:13:02,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:13:02,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:13:02,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:13:02,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d02a9db-fc38-4b0c-a812-5d17842ca6db/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 22:13:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:13:02,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 22:13:02,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:13:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:03,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:13:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:13:04,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443551107] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:13:04,174 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:13:04,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2022-12-13 22:13:04,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699888431] [2022-12-13 22:13:04,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:13:04,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 22:13:04,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:13:04,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 22:13:04,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=682, Unknown=0, NotChecked=0, Total=756 [2022-12-13 22:13:04,177 INFO L87 Difference]: Start difference. First operand 34685 states and 46135 transitions. Second operand has 28 states, 28 states have (on average 15.071428571428571) internal successors, (422), 28 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)