./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:52:01,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:52:01,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:52:01,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:52:01,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:52:01,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:52:01,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:52:01,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:52:01,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:52:01,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:52:01,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:52:01,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:52:01,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:52:01,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:52:01,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:52:01,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:52:01,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:52:01,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:52:01,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:52:01,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:52:01,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:52:01,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:52:01,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:52:01,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:52:01,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:52:01,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:52:01,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:52:01,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:52:01,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:52:01,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:52:01,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:52:01,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:52:01,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:52:01,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:52:01,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:52:01,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:52:01,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:52:01,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:52:01,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:52:01,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:52:01,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:52:01,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:52:01,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:52:01,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:52:01,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:52:01,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:52:01,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:52:01,280 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:52:01,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:52:01,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:52:01,281 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:52:01,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:52:01,281 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:52:01,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:52:01,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:52:01,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:52:01,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:52:01,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:52:01,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:52:01,283 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:52:01,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:52:01,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:52:01,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:52:01,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:52:01,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:52:01,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:52:01,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:52:01,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:52:01,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:52:01,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:52:01,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:52:01,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:52:01,306 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:52:01,306 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:52:01,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:52:01,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 [2022-11-16 12:52:01,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:52:01,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:52:01,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:52:01,673 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:52:01,674 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:52:01,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-11-16 12:52:01,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/data/81309f718/ca4d9dbc5112413397fed4c9ba3cc265/FLAG6e903c38f [2022-11-16 12:52:02,883 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:52:02,884 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-11-16 12:52:02,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/data/81309f718/ca4d9dbc5112413397fed4c9ba3cc265/FLAG6e903c38f [2022-11-16 12:52:03,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/data/81309f718/ca4d9dbc5112413397fed4c9ba3cc265 [2022-11-16 12:52:03,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:52:03,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:52:03,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:52:03,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:52:03,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:52:03,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:52:03" (1/1) ... [2022-11-16 12:52:03,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47406780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:03, skipping insertion in model container [2022-11-16 12:52:03,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:52:03" (1/1) ... [2022-11-16 12:52:03,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:52:03,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:52:04,445 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2022-11-16 12:52:04,522 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2022-11-16 12:52:04,540 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2022-11-16 12:52:04,560 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2022-11-16 12:52:04,585 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2022-11-16 12:52:04,596 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2022-11-16 12:52:04,619 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2022-11-16 12:52:04,644 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2022-11-16 12:52:04,652 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2022-11-16 12:52:04,665 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2022-11-16 12:52:04,685 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2022-11-16 12:52:04,732 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2022-11-16 12:52:04,745 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2022-11-16 12:52:04,757 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2022-11-16 12:52:04,775 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2022-11-16 12:52:04,805 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2022-11-16 12:52:04,856 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2022-11-16 12:52:04,865 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2022-11-16 12:52:04,874 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2022-11-16 12:52:04,891 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2022-11-16 12:52:04,914 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2022-11-16 12:52:04,954 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2022-11-16 12:52:05,030 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2022-11-16 12:52:05,038 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2022-11-16 12:52:05,048 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2022-11-16 12:52:05,065 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2022-11-16 12:52:05,095 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2022-11-16 12:52:05,141 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2022-11-16 12:52:05,227 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2022-11-16 12:52:05,402 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2022-11-16 12:52:05,410 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2022-11-16 12:52:05,448 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2022-11-16 12:52:05,464 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2022-11-16 12:52:05,493 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2022-11-16 12:52:05,531 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2022-11-16 12:52:05,592 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2022-11-16 12:52:05,713 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2022-11-16 12:52:07,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:52:07,710 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:52:07,886 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2022-11-16 12:52:07,909 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2022-11-16 12:52:07,919 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2022-11-16 12:52:07,926 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2022-11-16 12:52:07,936 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2022-11-16 12:52:07,943 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2022-11-16 12:52:07,954 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2022-11-16 12:52:07,970 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2022-11-16 12:52:07,975 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2022-11-16 12:52:07,982 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2022-11-16 12:52:07,996 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2022-11-16 12:52:08,020 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2022-11-16 12:52:08,026 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2022-11-16 12:52:08,032 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2022-11-16 12:52:08,045 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2022-11-16 12:52:08,065 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2022-11-16 12:52:08,099 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2022-11-16 12:52:08,106 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2022-11-16 12:52:08,114 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2022-11-16 12:52:08,128 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2022-11-16 12:52:08,148 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2022-11-16 12:52:08,179 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2022-11-16 12:52:08,230 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2022-11-16 12:52:08,237 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2022-11-16 12:52:08,245 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2022-11-16 12:52:08,259 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2022-11-16 12:52:08,282 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2022-11-16 12:52:08,321 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2022-11-16 12:52:08,384 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2022-11-16 12:52:08,489 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2022-11-16 12:52:08,496 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2022-11-16 12:52:08,504 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2022-11-16 12:52:08,517 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2022-11-16 12:52:08,537 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2022-11-16 12:52:08,566 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2022-11-16 12:52:08,610 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2022-11-16 12:52:08,679 WARN L229 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_99aac942-3c7e-4403-b63d-e4362357a77e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2022-11-16 12:52:10,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:52:10,174 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:52:10,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10 WrapperNode [2022-11-16 12:52:10,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:52:10,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:52:10,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:52:10,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:52:10,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (1/1) ... [2022-11-16 12:52:10,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (1/1) ... [2022-11-16 12:52:10,699 INFO L138 Inliner]: procedures = 28, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23263 [2022-11-16 12:52:10,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:52:10,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:52:10,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:52:10,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:52:10,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (1/1) ... [2022-11-16 12:52:10,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (1/1) ... [2022-11-16 12:52:10,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (1/1) ... [2022-11-16 12:52:10,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (1/1) ... [2022-11-16 12:52:10,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (1/1) ... [2022-11-16 12:52:11,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (1/1) ... [2022-11-16 12:52:11,090 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (1/1) ... [2022-11-16 12:52:11,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (1/1) ... [2022-11-16 12:52:11,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:52:11,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:52:11,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:52:11,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:52:11,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (1/1) ... [2022-11-16 12:52:11,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:52:11,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:11,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:11,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aac942-3c7e-4403-b63d-e4362357a77e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:52:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:52:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:52:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:52:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:52:11,990 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:52:11,993 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:52:22,799 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:52:22,831 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:52:22,831 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:52:22,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:52:22 BoogieIcfgContainer [2022-11-16 12:52:22,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:52:22,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:52:22,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:52:22,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:52:22,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:52:03" (1/3) ... [2022-11-16 12:52:22,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acf5b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:52:22, skipping insertion in model container [2022-11-16 12:52:22,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:10" (2/3) ... [2022-11-16 12:52:22,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acf5b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:52:22, skipping insertion in model container [2022-11-16 12:52:22,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:52:22" (3/3) ... [2022-11-16 12:52:22,846 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-11-16 12:52:22,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:52:22,867 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-11-16 12:52:23,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:52:23,028 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;@34535ea8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:52:23,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-11-16 12:52:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 3854 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3853 states have internal predecessors, (7153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-16 12:52:23,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:23,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:52:23,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:52:23,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:23,105 INFO L85 PathProgramCache]: Analyzing trace with hash -150150757, now seen corresponding path program 1 times [2022-11-16 12:52:23,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:23,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667888671] [2022-11-16 12:52:23,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:23,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:24,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:24,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667888671] [2022-11-16 12:52:24,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667888671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:24,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:24,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:52:24,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835594479] [2022-11-16 12:52:24,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:24,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:52:24,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:24,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:52:24,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:52:24,071 INFO L87 Difference]: Start difference. First operand has 3854 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3853 states have internal predecessors, (7153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:28,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:28,077 INFO L93 Difference]: Finished difference Result 6602 states and 11760 transitions. [2022-11-16 12:52:28,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:52:28,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-11-16 12:52:28,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:52:28,110 INFO L225 Difference]: With dead ends: 6602 [2022-11-16 12:52:28,110 INFO L226 Difference]: Without dead ends: 3827 [2022-11-16 12:52:28,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:52:28,122 INFO L413 NwaCegarLoop]: 3381 mSDtfsCounter, 18407 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18407 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:52:28,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18407 Valid, 4385 Invalid, 2353 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-16 12:52:28,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2022-11-16 12:52:28,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3701. [2022-11-16 12:52:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3701 states, 3664 states have (on average 1.3788209606986899) internal successors, (5052), 3700 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3701 states to 3701 states and 5052 transitions. [2022-11-16 12:52:28,391 INFO L78 Accepts]: Start accepts. Automaton has 3701 states and 5052 transitions. Word has length 116 [2022-11-16 12:52:28,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:52:28,392 INFO L495 AbstractCegarLoop]: Abstraction has 3701 states and 5052 transitions. [2022-11-16 12:52:28,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:28,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 5052 transitions. [2022-11-16 12:52:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-16 12:52:28,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:28,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:52:28,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:52:28,403 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:52:28,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:28,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1021046553, now seen corresponding path program 1 times [2022-11-16 12:52:28,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:28,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595400724] [2022-11-16 12:52:28,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:28,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:28,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:28,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595400724] [2022-11-16 12:52:28,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595400724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:28,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:28,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:52:28,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907946335] [2022-11-16 12:52:28,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:28,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:52:28,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:28,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:52:28,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:52:28,792 INFO L87 Difference]: Start difference. First operand 3701 states and 5052 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:31,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:31,034 INFO L93 Difference]: Finished difference Result 6314 states and 8889 transitions. [2022-11-16 12:52:31,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:52:31,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-11-16 12:52:31,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:52:31,053 INFO L225 Difference]: With dead ends: 6314 [2022-11-16 12:52:31,053 INFO L226 Difference]: Without dead ends: 3213 [2022-11-16 12:52:31,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:52:31,062 INFO L413 NwaCegarLoop]: 1756 mSDtfsCounter, 9421 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9421 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:52:31,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9421 Valid, 1792 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 12:52:31,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3213 states. [2022-11-16 12:52:31,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3213 to 3213. [2022-11-16 12:52:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3213 states, 3176 states have (on average 1.4162468513853905) internal successors, (4498), 3212 states have internal predecessors, (4498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 4498 transitions. [2022-11-16 12:52:31,432 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 4498 transitions. Word has length 117 [2022-11-16 12:52:31,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:52:31,433 INFO L495 AbstractCegarLoop]: Abstraction has 3213 states and 4498 transitions. [2022-11-16 12:52:31,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:31,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 4498 transitions. [2022-11-16 12:52:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-16 12:52:31,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:31,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:52:31,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:52:31,440 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:52:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:31,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1704632037, now seen corresponding path program 1 times [2022-11-16 12:52:31,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:31,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737603158] [2022-11-16 12:52:31,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:31,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:31,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:31,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737603158] [2022-11-16 12:52:31,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737603158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:31,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:31,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:52:31,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795352595] [2022-11-16 12:52:31,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:31,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:52:31,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:31,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:52:31,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:52:31,808 INFO L87 Difference]: Start difference. First operand 3213 states and 4498 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:34,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:34,433 INFO L93 Difference]: Finished difference Result 5826 states and 8333 transitions. [2022-11-16 12:52:34,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:52:34,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-11-16 12:52:34,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:52:34,446 INFO L225 Difference]: With dead ends: 5826 [2022-11-16 12:52:34,446 INFO L226 Difference]: Without dead ends: 3053 [2022-11-16 12:52:34,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:52:34,451 INFO L413 NwaCegarLoop]: 1208 mSDtfsCounter, 8707 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8707 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:52:34,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8707 Valid, 1268 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 12:52:34,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2022-11-16 12:52:34,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 3053. [2022-11-16 12:52:34,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 3016 states have (on average 1.427055702917772) internal successors, (4304), 3052 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 4304 transitions. [2022-11-16 12:52:34,604 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 4304 transitions. Word has length 118 [2022-11-16 12:52:34,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:52:34,604 INFO L495 AbstractCegarLoop]: Abstraction has 3053 states and 4304 transitions. [2022-11-16 12:52:34,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 4304 transitions. [2022-11-16 12:52:34,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-16 12:52:34,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:34,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:52:34,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:52:34,615 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:52:34,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:34,617 INFO L85 PathProgramCache]: Analyzing trace with hash 46418268, now seen corresponding path program 1 times [2022-11-16 12:52:34,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:34,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607469055] [2022-11-16 12:52:34,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:34,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:35,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:35,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607469055] [2022-11-16 12:52:35,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607469055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:35,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:35,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:52:35,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890999161] [2022-11-16 12:52:35,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:35,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:52:35,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:35,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:52:35,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:52:35,051 INFO L87 Difference]: Start difference. First operand 3053 states and 4304 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:37,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:37,108 INFO L93 Difference]: Finished difference Result 5666 states and 8137 transitions. [2022-11-16 12:52:37,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:52:37,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-11-16 12:52:37,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:52:37,119 INFO L225 Difference]: With dead ends: 5666 [2022-11-16 12:52:37,119 INFO L226 Difference]: Without dead ends: 2925 [2022-11-16 12:52:37,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:52:37,125 INFO L413 NwaCegarLoop]: 1349 mSDtfsCounter, 8338 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8338 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:52:37,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8338 Valid, 1401 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 12:52:37,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2022-11-16 12:52:37,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2925. [2022-11-16 12:52:37,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2888 states have (on average 1.4397506925207757) internal successors, (4158), 2924 states have internal predecessors, (4158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 4158 transitions. [2022-11-16 12:52:37,296 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 4158 transitions. Word has length 119 [2022-11-16 12:52:37,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:52:37,296 INFO L495 AbstractCegarLoop]: Abstraction has 2925 states and 4158 transitions. [2022-11-16 12:52:37,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 4158 transitions. [2022-11-16 12:52:37,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-16 12:52:37,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:37,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:52:37,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:52:37,304 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:52:37,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:37,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1481188516, now seen corresponding path program 1 times [2022-11-16 12:52:37,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:37,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583404236] [2022-11-16 12:52:37,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:37,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:37,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:37,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583404236] [2022-11-16 12:52:37,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583404236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:37,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:37,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:52:37,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437441987] [2022-11-16 12:52:37,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:37,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:52:37,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:37,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:52:37,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:52:37,584 INFO L87 Difference]: Start difference. First operand 2925 states and 4158 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:39,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:39,382 INFO L93 Difference]: Finished difference Result 5538 states and 7989 transitions. [2022-11-16 12:52:39,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:52:39,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-11-16 12:52:39,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:52:39,393 INFO L225 Difference]: With dead ends: 5538 [2022-11-16 12:52:39,394 INFO L226 Difference]: Without dead ends: 2813 [2022-11-16 12:52:39,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:52:39,398 INFO L413 NwaCegarLoop]: 1460 mSDtfsCounter, 8062 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8062 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:52:39,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8062 Valid, 1488 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 12:52:39,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2022-11-16 12:52:39,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2813. [2022-11-16 12:52:39,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2776 states have (on average 1.4538904899135447) internal successors, (4036), 2812 states have internal predecessors, (4036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:39,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 4036 transitions. [2022-11-16 12:52:39,569 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 4036 transitions. Word has length 120 [2022-11-16 12:52:39,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:52:39,569 INFO L495 AbstractCegarLoop]: Abstraction has 2813 states and 4036 transitions. [2022-11-16 12:52:39,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:39,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 4036 transitions. [2022-11-16 12:52:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-16 12:52:39,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:39,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:52:39,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:52:39,576 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:52:39,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:39,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1088659095, now seen corresponding path program 1 times [2022-11-16 12:52:39,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:39,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220243347] [2022-11-16 12:52:39,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:39,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:39,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:39,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:39,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220243347] [2022-11-16 12:52:39,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220243347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:39,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:39,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:52:39,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199177839] [2022-11-16 12:52:39,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:39,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:52:39,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:39,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:52:39,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:52:39,850 INFO L87 Difference]: Start difference. First operand 2813 states and 4036 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:41,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:41,538 INFO L93 Difference]: Finished difference Result 5426 states and 7865 transitions. [2022-11-16 12:52:41,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:52:41,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-11-16 12:52:41,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:52:41,549 INFO L225 Difference]: With dead ends: 5426 [2022-11-16 12:52:41,550 INFO L226 Difference]: Without dead ends: 2748 [2022-11-16 12:52:41,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:52:41,554 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 7878 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7878 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:52:41,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7878 Valid, 1455 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 12:52:41,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2022-11-16 12:52:41,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2748. [2022-11-16 12:52:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2748 states, 2711 states have (on average 1.4625599409811878) internal successors, (3965), 2747 states have internal predecessors, (3965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:41,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3965 transitions. [2022-11-16 12:52:41,765 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3965 transitions. Word has length 121 [2022-11-16 12:52:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:52:41,765 INFO L495 AbstractCegarLoop]: Abstraction has 2748 states and 3965 transitions. [2022-11-16 12:52:41,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3965 transitions. [2022-11-16 12:52:41,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-16 12:52:41,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:41,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:52:41,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:52:41,773 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:52:41,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:41,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1122787720, now seen corresponding path program 1 times [2022-11-16 12:52:41,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:41,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587471580] [2022-11-16 12:52:41,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:41,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:42,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:42,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587471580] [2022-11-16 12:52:42,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587471580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:42,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:42,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:52:42,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793545269] [2022-11-16 12:52:42,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:42,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:52:42,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:42,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:52:42,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:52:42,060 INFO L87 Difference]: Start difference. First operand 2748 states and 3965 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:43,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:43,885 INFO L93 Difference]: Finished difference Result 5361 states and 7792 transitions. [2022-11-16 12:52:43,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:52:43,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-11-16 12:52:43,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:52:43,896 INFO L225 Difference]: With dead ends: 5361 [2022-11-16 12:52:43,896 INFO L226 Difference]: Without dead ends: 2717 [2022-11-16 12:52:43,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:52:43,903 INFO L413 NwaCegarLoop]: 1420 mSDtfsCounter, 7763 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7763 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:52:43,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7763 Valid, 1440 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 12:52:43,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2022-11-16 12:52:44,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2717. [2022-11-16 12:52:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2680 states have (on average 1.4664179104477613) internal successors, (3930), 2716 states have internal predecessors, (3930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3930 transitions. [2022-11-16 12:52:44,134 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3930 transitions. Word has length 122 [2022-11-16 12:52:44,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:52:44,134 INFO L495 AbstractCegarLoop]: Abstraction has 2717 states and 3930 transitions. [2022-11-16 12:52:44,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3930 transitions. [2022-11-16 12:52:44,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-16 12:52:44,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:44,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:52:44,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:52:44,141 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:52:44,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:44,142 INFO L85 PathProgramCache]: Analyzing trace with hash -204963786, now seen corresponding path program 1 times [2022-11-16 12:52:44,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:44,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262872749] [2022-11-16 12:52:44,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:44,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:44,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:44,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262872749] [2022-11-16 12:52:44,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262872749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:44,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:44,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:52:44,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606764740] [2022-11-16 12:52:44,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:44,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:52:44,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:44,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:52:44,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:52:44,413 INFO L87 Difference]: Start difference. First operand 2717 states and 3930 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:46,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:46,216 INFO L93 Difference]: Finished difference Result 5330 states and 7755 transitions. [2022-11-16 12:52:46,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:52:46,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-11-16 12:52:46,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:52:46,225 INFO L225 Difference]: With dead ends: 5330 [2022-11-16 12:52:46,225 INFO L226 Difference]: Without dead ends: 2706 [2022-11-16 12:52:46,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:52:46,230 INFO L413 NwaCegarLoop]: 1329 mSDtfsCounter, 7663 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7663 SdHoareTripleChecker+Valid, 1373 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:52:46,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7663 Valid, 1373 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 12:52:46,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2022-11-16 12:52:46,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2706. [2022-11-16 12:52:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4672161858373922) internal successors, (3916), 2705 states have internal predecessors, (3916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:46,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3916 transitions. [2022-11-16 12:52:46,563 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3916 transitions. Word has length 123 [2022-11-16 12:52:46,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:52:46,564 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3916 transitions. [2022-11-16 12:52:46,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:46,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3916 transitions. [2022-11-16 12:52:46,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-16 12:52:46,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:46,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:52:46,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:52:46,572 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:52:46,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:46,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1522376233, now seen corresponding path program 1 times [2022-11-16 12:52:46,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:46,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158368753] [2022-11-16 12:52:46,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:46,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:47,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:47,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158368753] [2022-11-16 12:52:47,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158368753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:47,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:47,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 12:52:47,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521544335] [2022-11-16 12:52:47,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:47,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:52:47,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:47,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:52:47,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:52:47,704 INFO L87 Difference]: Start difference. First operand 2706 states and 3916 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:53,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:53,454 INFO L93 Difference]: Finished difference Result 5120 states and 7392 transitions. [2022-11-16 12:52:53,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 12:52:53,455 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-11-16 12:52:53,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:52:53,471 INFO L225 Difference]: With dead ends: 5120 [2022-11-16 12:52:53,471 INFO L226 Difference]: Without dead ends: 4816 [2022-11-16 12:52:53,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-16 12:52:53,475 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 15877 mSDsluCounter, 7606 mSDsCounter, 0 mSdLazyCounter, 7770 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15877 SdHoareTripleChecker+Valid, 9036 SdHoareTripleChecker+Invalid, 7790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 7770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:52:53,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15877 Valid, 9036 Invalid, 7790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 7770 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-16 12:52:53,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4816 states. [2022-11-16 12:52:53,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4816 to 2715. [2022-11-16 12:52:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2678 states have (on average 1.4667662434652726) internal successors, (3928), 2714 states have internal predecessors, (3928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:53,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3928 transitions. [2022-11-16 12:52:53,721 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3928 transitions. Word has length 124 [2022-11-16 12:52:53,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:52:53,721 INFO L495 AbstractCegarLoop]: Abstraction has 2715 states and 3928 transitions. [2022-11-16 12:52:53,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:53,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3928 transitions. [2022-11-16 12:52:53,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-16 12:52:53,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:53,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:52:53,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:52:53,727 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:52:53,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:53,728 INFO L85 PathProgramCache]: Analyzing trace with hash -115626613, now seen corresponding path program 1 times [2022-11-16 12:52:53,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:53,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674848476] [2022-11-16 12:52:53,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:53,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:54,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:54,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674848476] [2022-11-16 12:52:54,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674848476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:54,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:54,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 12:52:54,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707244073] [2022-11-16 12:52:54,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:54,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:52:54,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:54,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:52:54,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:52:54,439 INFO L87 Difference]: Start difference. First operand 2715 states and 3928 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:00,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:00,472 INFO L93 Difference]: Finished difference Result 4695 states and 6660 transitions. [2022-11-16 12:53:00,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 12:53:00,472 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-11-16 12:53:00,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:53:00,483 INFO L225 Difference]: With dead ends: 4695 [2022-11-16 12:53:00,483 INFO L226 Difference]: Without dead ends: 4504 [2022-11-16 12:53:00,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-16 12:53:00,486 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 11928 mSDsluCounter, 7696 mSDsCounter, 0 mSdLazyCounter, 9288 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11928 SdHoareTripleChecker+Valid, 9061 SdHoareTripleChecker+Invalid, 9302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 9288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:53:00,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11928 Valid, 9061 Invalid, 9302 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 9288 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-16 12:53:00,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4504 states. [2022-11-16 12:53:00,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4504 to 2737. [2022-11-16 12:53:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 2700 states have (on average 1.4670370370370371) internal successors, (3961), 2736 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:00,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3961 transitions. [2022-11-16 12:53:00,801 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3961 transitions. Word has length 124 [2022-11-16 12:53:00,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:53:00,801 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3961 transitions. [2022-11-16 12:53:00,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3961 transitions. [2022-11-16 12:53:00,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-16 12:53:00,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:53:00,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:00,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:53:00,805 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:53:00,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:00,806 INFO L85 PathProgramCache]: Analyzing trace with hash -537185860, now seen corresponding path program 1 times [2022-11-16 12:53:00,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:00,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522340330] [2022-11-16 12:53:00,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:00,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:01,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:01,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522340330] [2022-11-16 12:53:01,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522340330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:01,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:01,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 12:53:01,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235848693] [2022-11-16 12:53:01,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:01,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:53:01,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:01,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:53:01,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:53:01,539 INFO L87 Difference]: Start difference. First operand 2737 states and 3961 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:06,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:06,750 INFO L93 Difference]: Finished difference Result 5001 states and 7252 transitions. [2022-11-16 12:53:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 12:53:06,750 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-11-16 12:53:06,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:53:06,761 INFO L225 Difference]: With dead ends: 5001 [2022-11-16 12:53:06,761 INFO L226 Difference]: Without dead ends: 4720 [2022-11-16 12:53:06,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-16 12:53:06,764 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 10367 mSDsluCounter, 6478 mSDsCounter, 0 mSdLazyCounter, 6878 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10367 SdHoareTripleChecker+Valid, 7967 SdHoareTripleChecker+Invalid, 6894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 6878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:53:06,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10367 Valid, 7967 Invalid, 6894 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 6878 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-16 12:53:06,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4720 states. [2022-11-16 12:53:06,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4720 to 2739. [2022-11-16 12:53:06,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.4666913397483345) internal successors, (3963), 2738 states have internal predecessors, (3963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3963 transitions. [2022-11-16 12:53:07,002 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3963 transitions. Word has length 124 [2022-11-16 12:53:07,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:53:07,003 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3963 transitions. [2022-11-16 12:53:07,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3963 transitions. [2022-11-16 12:53:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-16 12:53:07,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:53:07,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:07,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:53:07,008 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:53:07,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:07,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1896036516, now seen corresponding path program 1 times [2022-11-16 12:53:07,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:07,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087041688] [2022-11-16 12:53:07,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:07,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:07,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:07,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087041688] [2022-11-16 12:53:07,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087041688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:07,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:07,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:53:07,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821276352] [2022-11-16 12:53:07,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:07,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:53:07,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:07,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:53:07,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:53:07,491 INFO L87 Difference]: Start difference. First operand 2739 states and 3963 transitions. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:11,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:11,699 INFO L93 Difference]: Finished difference Result 4989 states and 7250 transitions. [2022-11-16 12:53:11,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:53:11,699 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-11-16 12:53:11,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:53:11,708 INFO L225 Difference]: With dead ends: 4989 [2022-11-16 12:53:11,708 INFO L226 Difference]: Without dead ends: 4623 [2022-11-16 12:53:11,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:53:11,711 INFO L413 NwaCegarLoop]: 1476 mSDtfsCounter, 15584 mSDsluCounter, 4848 mSDsCounter, 0 mSdLazyCounter, 5355 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15584 SdHoareTripleChecker+Valid, 6324 SdHoareTripleChecker+Invalid, 5362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:53:11,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15584 Valid, 6324 Invalid, 5362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5355 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:53:11,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2022-11-16 12:53:12,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 2739. [2022-11-16 12:53:12,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.4663212435233162) internal successors, (3962), 2738 states have internal predecessors, (3962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:12,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3962 transitions. [2022-11-16 12:53:12,065 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3962 transitions. Word has length 124 [2022-11-16 12:53:12,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:53:12,065 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3962 transitions. [2022-11-16 12:53:12,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3962 transitions. [2022-11-16 12:53:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-16 12:53:12,071 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:53:12,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:12,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:53:12,072 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:53:12,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:12,072 INFO L85 PathProgramCache]: Analyzing trace with hash 553304081, now seen corresponding path program 1 times [2022-11-16 12:53:12,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:12,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434964405] [2022-11-16 12:53:12,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:12,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:12,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:12,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434964405] [2022-11-16 12:53:12,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434964405] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:12,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:12,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:53:12,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823040913] [2022-11-16 12:53:12,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:12,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:53:12,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:12,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:53:12,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:53:12,691 INFO L87 Difference]: Start difference. First operand 2739 states and 3962 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:16,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:16,457 INFO L93 Difference]: Finished difference Result 4491 states and 6264 transitions. [2022-11-16 12:53:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:53:16,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-11-16 12:53:16,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:53:16,466 INFO L225 Difference]: With dead ends: 4491 [2022-11-16 12:53:16,466 INFO L226 Difference]: Without dead ends: 3403 [2022-11-16 12:53:16,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-11-16 12:53:16,470 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 13229 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 4000 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13229 SdHoareTripleChecker+Valid, 3300 SdHoareTripleChecker+Invalid, 4004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:53:16,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13229 Valid, 3300 Invalid, 4004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4000 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 12:53:16,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2022-11-16 12:53:16,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2739. [2022-11-16 12:53:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.4659511472982976) internal successors, (3961), 2738 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3961 transitions. [2022-11-16 12:53:16,939 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3961 transitions. Word has length 124 [2022-11-16 12:53:16,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:53:16,939 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3961 transitions. [2022-11-16 12:53:16,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3961 transitions. [2022-11-16 12:53:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 12:53:16,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:53:16,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:16,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 12:53:16,945 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:53:16,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:16,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1000263533, now seen corresponding path program 1 times [2022-11-16 12:53:16,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:16,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458934816] [2022-11-16 12:53:16,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:16,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:17,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:17,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458934816] [2022-11-16 12:53:17,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458934816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:17,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:17,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 12:53:17,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939097975] [2022-11-16 12:53:17,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:17,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:53:17,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:17,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:53:17,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:53:17,663 INFO L87 Difference]: Start difference. First operand 2739 states and 3961 transitions. Second operand has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:23,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:23,710 INFO L93 Difference]: Finished difference Result 5475 states and 7919 transitions. [2022-11-16 12:53:23,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:53:23,711 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-11-16 12:53:23,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:53:23,718 INFO L225 Difference]: With dead ends: 5475 [2022-11-16 12:53:23,719 INFO L226 Difference]: Without dead ends: 5071 [2022-11-16 12:53:23,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2022-11-16 12:53:23,722 INFO L413 NwaCegarLoop]: 1627 mSDtfsCounter, 11203 mSDsluCounter, 8737 mSDsCounter, 0 mSdLazyCounter, 8748 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11203 SdHoareTripleChecker+Valid, 10364 SdHoareTripleChecker+Invalid, 8764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 8748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:53:23,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11203 Valid, 10364 Invalid, 8764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 8748 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-16 12:53:23,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2022-11-16 12:53:24,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 2739. [2022-11-16 12:53:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.465581051073279) internal successors, (3960), 2738 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3960 transitions. [2022-11-16 12:53:24,211 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3960 transitions. Word has length 126 [2022-11-16 12:53:24,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:53:24,211 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3960 transitions. [2022-11-16 12:53:24,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:24,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3960 transitions. [2022-11-16 12:53:24,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 12:53:24,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:53:24,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:24,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 12:53:24,218 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:53:24,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:24,219 INFO L85 PathProgramCache]: Analyzing trace with hash -826398625, now seen corresponding path program 1 times [2022-11-16 12:53:24,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:24,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178571732] [2022-11-16 12:53:24,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:24,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:24,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:24,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178571732] [2022-11-16 12:53:24,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178571732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:24,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:24,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:53:24,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486904941] [2022-11-16 12:53:24,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:24,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:53:24,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:24,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:53:24,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:53:24,783 INFO L87 Difference]: Start difference. First operand 2739 states and 3960 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:28,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:28,992 INFO L93 Difference]: Finished difference Result 3772 states and 5489 transitions. [2022-11-16 12:53:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 12:53:28,993 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-11-16 12:53:28,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:53:28,996 INFO L225 Difference]: With dead ends: 3772 [2022-11-16 12:53:28,997 INFO L226 Difference]: Without dead ends: 3183 [2022-11-16 12:53:28,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-11-16 12:53:28,999 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 6984 mSDsluCounter, 5664 mSDsCounter, 0 mSdLazyCounter, 5909 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6984 SdHoareTripleChecker+Valid, 7083 SdHoareTripleChecker+Invalid, 5916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:53:28,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6984 Valid, 7083 Invalid, 5916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5909 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:53:29,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2022-11-16 12:53:29,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2706. [2022-11-16 12:53:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4660921693518172) internal successors, (3913), 2705 states have internal predecessors, (3913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3913 transitions. [2022-11-16 12:53:29,389 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3913 transitions. Word has length 126 [2022-11-16 12:53:29,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:53:29,389 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3913 transitions. [2022-11-16 12:53:29,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:29,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3913 transitions. [2022-11-16 12:53:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 12:53:29,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:53:29,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:29,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 12:53:29,395 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:53:29,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:29,395 INFO L85 PathProgramCache]: Analyzing trace with hash 33266613, now seen corresponding path program 1 times [2022-11-16 12:53:29,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:29,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685315342] [2022-11-16 12:53:29,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:29,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:29,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:29,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685315342] [2022-11-16 12:53:29,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685315342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:29,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:29,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:53:29,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316557769] [2022-11-16 12:53:29,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:29,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:53:29,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:29,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:53:29,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:53:29,820 INFO L87 Difference]: Start difference. First operand 2706 states and 3913 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:34,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:34,145 INFO L93 Difference]: Finished difference Result 4402 states and 6270 transitions. [2022-11-16 12:53:34,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:53:34,145 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-11-16 12:53:34,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:53:34,149 INFO L225 Difference]: With dead ends: 4402 [2022-11-16 12:53:34,149 INFO L226 Difference]: Without dead ends: 4214 [2022-11-16 12:53:34,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:53:34,151 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 7599 mSDsluCounter, 4219 mSDsCounter, 0 mSdLazyCounter, 5397 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7599 SdHoareTripleChecker+Valid, 5584 SdHoareTripleChecker+Invalid, 5403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:53:34,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7599 Valid, 5584 Invalid, 5403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5397 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 12:53:34,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-11-16 12:53:34,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-11-16 12:53:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4657174971899587) internal successors, (3912), 2705 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:34,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3912 transitions. [2022-11-16 12:53:34,538 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3912 transitions. Word has length 126 [2022-11-16 12:53:34,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:53:34,538 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3912 transitions. [2022-11-16 12:53:34,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3912 transitions. [2022-11-16 12:53:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 12:53:34,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:53:34,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:34,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 12:53:34,544 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:53:34,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:34,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1373735587, now seen corresponding path program 1 times [2022-11-16 12:53:34,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:34,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216519970] [2022-11-16 12:53:34,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:34,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:35,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:35,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216519970] [2022-11-16 12:53:35,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216519970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:35,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:35,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:53:35,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953061925] [2022-11-16 12:53:35,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:35,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:53:35,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:35,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:53:35,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:53:35,039 INFO L87 Difference]: Start difference. First operand 2706 states and 3912 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:39,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:39,786 INFO L93 Difference]: Finished difference Result 4835 states and 7010 transitions. [2022-11-16 12:53:39,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:53:39,788 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-11-16 12:53:39,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:53:39,793 INFO L225 Difference]: With dead ends: 4835 [2022-11-16 12:53:39,793 INFO L226 Difference]: Without dead ends: 4554 [2022-11-16 12:53:39,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:53:39,795 INFO L413 NwaCegarLoop]: 1707 mSDtfsCounter, 12222 mSDsluCounter, 5353 mSDsCounter, 0 mSdLazyCounter, 6020 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12222 SdHoareTripleChecker+Valid, 7060 SdHoareTripleChecker+Invalid, 6028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 6020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:53:39,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12222 Valid, 7060 Invalid, 6028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 6020 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-16 12:53:39,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-11-16 12:53:40,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-11-16 12:53:40,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4653428250281004) internal successors, (3911), 2705 states have internal predecessors, (3911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3911 transitions. [2022-11-16 12:53:40,128 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3911 transitions. Word has length 126 [2022-11-16 12:53:40,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:53:40,129 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3911 transitions. [2022-11-16 12:53:40,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:40,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3911 transitions. [2022-11-16 12:53:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 12:53:40,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:53:40,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:40,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 12:53:40,134 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:53:40,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:40,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1033236109, now seen corresponding path program 1 times [2022-11-16 12:53:40,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:40,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60131857] [2022-11-16 12:53:40,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:40,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:40,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:40,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60131857] [2022-11-16 12:53:40,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60131857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:40,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:40,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:53:40,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718353758] [2022-11-16 12:53:40,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:40,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:53:40,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:40,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:53:40,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:53:40,582 INFO L87 Difference]: Start difference. First operand 2706 states and 3911 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:45,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:45,269 INFO L93 Difference]: Finished difference Result 4994 states and 7239 transitions. [2022-11-16 12:53:45,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:53:45,269 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-11-16 12:53:45,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:53:45,274 INFO L225 Difference]: With dead ends: 4994 [2022-11-16 12:53:45,274 INFO L226 Difference]: Without dead ends: 4590 [2022-11-16 12:53:45,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:53:45,277 INFO L413 NwaCegarLoop]: 1890 mSDtfsCounter, 10512 mSDsluCounter, 5536 mSDsCounter, 0 mSdLazyCounter, 6263 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10512 SdHoareTripleChecker+Valid, 7426 SdHoareTripleChecker+Invalid, 6270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:53:45,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10512 Valid, 7426 Invalid, 6270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 6263 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-16 12:53:45,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-11-16 12:53:45,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2022-11-16 12:53:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.464968152866242) internal successors, (3910), 2705 states have internal predecessors, (3910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:45,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3910 transitions. [2022-11-16 12:53:45,728 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3910 transitions. Word has length 126 [2022-11-16 12:53:45,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:53:45,729 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3910 transitions. [2022-11-16 12:53:45,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:45,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3910 transitions. [2022-11-16 12:53:45,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 12:53:45,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:53:45,733 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:45,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 12:53:45,734 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:53:45,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:45,734 INFO L85 PathProgramCache]: Analyzing trace with hash 2018426482, now seen corresponding path program 1 times [2022-11-16 12:53:45,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:45,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382866048] [2022-11-16 12:53:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:45,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:46,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:46,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382866048] [2022-11-16 12:53:46,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382866048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:46,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:46,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:53:46,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403650822] [2022-11-16 12:53:46,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:46,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:53:46,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:46,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:53:46,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:53:46,163 INFO L87 Difference]: Start difference. First operand 2706 states and 3910 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:51,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:51,032 INFO L93 Difference]: Finished difference Result 4835 states and 7008 transitions. [2022-11-16 12:53:51,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:53:51,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-11-16 12:53:51,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:53:51,038 INFO L225 Difference]: With dead ends: 4835 [2022-11-16 12:53:51,038 INFO L226 Difference]: Without dead ends: 4554 [2022-11-16 12:53:51,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:53:51,040 INFO L413 NwaCegarLoop]: 1801 mSDtfsCounter, 6652 mSDsluCounter, 5896 mSDsCounter, 0 mSdLazyCounter, 6535 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6652 SdHoareTripleChecker+Valid, 7697 SdHoareTripleChecker+Invalid, 6541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:53:51,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6652 Valid, 7697 Invalid, 6541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 6535 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-16 12:53:51,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-11-16 12:53:51,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-11-16 12:53:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4645934807043837) internal successors, (3909), 2705 states have internal predecessors, (3909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3909 transitions. [2022-11-16 12:53:51,482 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3909 transitions. Word has length 126 [2022-11-16 12:53:51,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:53:51,482 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3909 transitions. [2022-11-16 12:53:51,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3909 transitions. [2022-11-16 12:53:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 12:53:51,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:53:51,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:51,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 12:53:51,485 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:53:51,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:51,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1814493165, now seen corresponding path program 1 times [2022-11-16 12:53:51,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:51,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809253674] [2022-11-16 12:53:51,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:51,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:51,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:51,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809253674] [2022-11-16 12:53:51,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809253674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:51,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:51,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:53:51,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93627897] [2022-11-16 12:53:51,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:51,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:53:51,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:51,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:53:51,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:53:51,931 INFO L87 Difference]: Start difference. First operand 2706 states and 3909 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:56,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:56,395 INFO L93 Difference]: Finished difference Result 4219 states and 5987 transitions. [2022-11-16 12:53:56,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:53:56,396 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-11-16 12:53:56,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:53:56,401 INFO L225 Difference]: With dead ends: 4219 [2022-11-16 12:53:56,401 INFO L226 Difference]: Without dead ends: 4214 [2022-11-16 12:53:56,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:53:56,404 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 7592 mSDsluCounter, 4216 mSDsCounter, 0 mSdLazyCounter, 5383 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7592 SdHoareTripleChecker+Valid, 5581 SdHoareTripleChecker+Invalid, 5389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:53:56,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7592 Valid, 5581 Invalid, 5389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5383 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:53:56,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-11-16 12:53:56,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-11-16 12:53:56,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.463844136380667) internal successors, (3907), 2705 states have internal predecessors, (3907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:56,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3907 transitions. [2022-11-16 12:53:56,897 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3907 transitions. Word has length 126 [2022-11-16 12:53:56,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:53:56,898 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3907 transitions. [2022-11-16 12:53:56,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:56,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3907 transitions. [2022-11-16 12:53:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 12:53:56,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:53:56,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:56,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 12:53:56,902 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:53:56,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:56,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1182584093, now seen corresponding path program 1 times [2022-11-16 12:53:56,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:56,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662068721] [2022-11-16 12:53:56,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:56,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:57,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:57,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662068721] [2022-11-16 12:53:57,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662068721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:57,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:57,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:53:57,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766547724] [2022-11-16 12:53:57,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:57,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:53:57,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:57,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:53:57,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:53:57,350 INFO L87 Difference]: Start difference. First operand 2706 states and 3907 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:02,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:02,430 INFO L93 Difference]: Finished difference Result 4940 states and 7143 transitions. [2022-11-16 12:54:02,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:54:02,430 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-11-16 12:54:02,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:02,434 INFO L225 Difference]: With dead ends: 4940 [2022-11-16 12:54:02,434 INFO L226 Difference]: Without dead ends: 4554 [2022-11-16 12:54:02,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:54:02,437 INFO L413 NwaCegarLoop]: 1801 mSDtfsCounter, 13761 mSDsluCounter, 5878 mSDsCounter, 0 mSdLazyCounter, 6509 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13761 SdHoareTripleChecker+Valid, 7679 SdHoareTripleChecker+Invalid, 6516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:02,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13761 Valid, 7679 Invalid, 6516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 6509 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 12:54:02,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-11-16 12:54:02,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-11-16 12:54:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4630947920569501) internal successors, (3905), 2705 states have internal predecessors, (3905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3905 transitions. [2022-11-16 12:54:02,875 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3905 transitions. Word has length 126 [2022-11-16 12:54:02,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:02,876 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3905 transitions. [2022-11-16 12:54:02,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3905 transitions. [2022-11-16 12:54:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 12:54:02,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:02,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:54:02,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 12:54:02,881 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:54:02,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:02,882 INFO L85 PathProgramCache]: Analyzing trace with hash -407743545, now seen corresponding path program 1 times [2022-11-16 12:54:02,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:54:02,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875653763] [2022-11-16 12:54:02,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:02,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:54:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:54:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:54:03,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:54:03,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875653763] [2022-11-16 12:54:03,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875653763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:54:03,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:54:03,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:54:03,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316037595] [2022-11-16 12:54:03,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:54:03,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:54:03,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:54:03,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:54:03,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:54:03,295 INFO L87 Difference]: Start difference. First operand 2706 states and 3905 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:08,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:08,706 INFO L93 Difference]: Finished difference Result 5170 states and 7488 transitions. [2022-11-16 12:54:08,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:54:08,706 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-11-16 12:54:08,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:08,712 INFO L225 Difference]: With dead ends: 5170 [2022-11-16 12:54:08,712 INFO L226 Difference]: Without dead ends: 4590 [2022-11-16 12:54:08,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:54:08,716 INFO L413 NwaCegarLoop]: 1814 mSDtfsCounter, 10350 mSDsluCounter, 5802 mSDsCounter, 0 mSdLazyCounter, 6361 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10350 SdHoareTripleChecker+Valid, 7616 SdHoareTripleChecker+Invalid, 6368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:08,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10350 Valid, 7616 Invalid, 6368 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 6361 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-16 12:54:08,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-11-16 12:54:09,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2022-11-16 12:54:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4623454477332334) internal successors, (3903), 2705 states have internal predecessors, (3903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3903 transitions. [2022-11-16 12:54:09,189 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3903 transitions. Word has length 126 [2022-11-16 12:54:09,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:09,189 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3903 transitions. [2022-11-16 12:54:09,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3903 transitions. [2022-11-16 12:54:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 12:54:09,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:09,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:54:09,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 12:54:09,193 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:54:09,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:09,194 INFO L85 PathProgramCache]: Analyzing trace with hash -829302792, now seen corresponding path program 1 times [2022-11-16 12:54:09,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:54:09,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776246291] [2022-11-16 12:54:09,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:09,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:54:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:54:09,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:54:09,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:54:09,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776246291] [2022-11-16 12:54:09,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776246291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:54:09,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:54:09,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:54:09,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110366282] [2022-11-16 12:54:09,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:54:09,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:54:09,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:54:09,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:54:09,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:54:09,618 INFO L87 Difference]: Start difference. First operand 2706 states and 3903 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:14,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:14,591 INFO L93 Difference]: Finished difference Result 4219 states and 5979 transitions. [2022-11-16 12:54:14,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:54:14,592 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-11-16 12:54:14,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:14,597 INFO L225 Difference]: With dead ends: 4219 [2022-11-16 12:54:14,597 INFO L226 Difference]: Without dead ends: 4214 [2022-11-16 12:54:14,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:54:14,605 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 11067 mSDsluCounter, 4216 mSDsCounter, 0 mSdLazyCounter, 5372 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11067 SdHoareTripleChecker+Valid, 5581 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:14,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11067 Valid, 5581 Invalid, 5379 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 5372 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-16 12:54:14,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-11-16 12:54:15,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-11-16 12:54:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4615961034095166) internal successors, (3901), 2705 states have internal predecessors, (3901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3901 transitions. [2022-11-16 12:54:15,018 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3901 transitions. Word has length 126 [2022-11-16 12:54:15,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:15,018 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3901 transitions. [2022-11-16 12:54:15,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3901 transitions. [2022-11-16 12:54:15,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 12:54:15,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:15,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:54:15,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 12:54:15,023 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:54:15,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:15,024 INFO L85 PathProgramCache]: Analyzing trace with hash 987279281, now seen corresponding path program 1 times [2022-11-16 12:54:15,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:54:15,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879808877] [2022-11-16 12:54:15,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:15,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:54:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:54:15,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:54:15,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:54:15,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879808877] [2022-11-16 12:54:15,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879808877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:54:15,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:54:15,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:54:15,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101063179] [2022-11-16 12:54:15,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:54:15,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:54:15,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:54:15,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:54:15,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:54:15,494 INFO L87 Difference]: Start difference. First operand 2706 states and 3901 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:20,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:20,117 INFO L93 Difference]: Finished difference Result 4281 states and 6191 transitions. [2022-11-16 12:54:20,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:54:20,117 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-11-16 12:54:20,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:20,121 INFO L225 Difference]: With dead ends: 4281 [2022-11-16 12:54:20,121 INFO L226 Difference]: Without dead ends: 3183 [2022-11-16 12:54:20,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2022-11-16 12:54:20,124 INFO L413 NwaCegarLoop]: 1586 mSDtfsCounter, 7334 mSDsluCounter, 5474 mSDsCounter, 0 mSdLazyCounter, 5861 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7334 SdHoareTripleChecker+Valid, 7060 SdHoareTripleChecker+Invalid, 5870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 5861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:20,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7334 Valid, 7060 Invalid, 5870 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 5861 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 12:54:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2022-11-16 12:54:20,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2706. [2022-11-16 12:54:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4608467590857999) internal successors, (3899), 2705 states have internal predecessors, (3899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3899 transitions. [2022-11-16 12:54:20,552 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3899 transitions. Word has length 126 [2022-11-16 12:54:20,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:20,552 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3899 transitions. [2022-11-16 12:54:20,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3899 transitions. [2022-11-16 12:54:20,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:54:20,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:20,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:54:20,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 12:54:20,557 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:54:20,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:20,558 INFO L85 PathProgramCache]: Analyzing trace with hash 681403934, now seen corresponding path program 1 times [2022-11-16 12:54:20,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:54:20,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413764859] [2022-11-16 12:54:20,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:20,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:54:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:54:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:54:21,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:54:21,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413764859] [2022-11-16 12:54:21,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413764859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:54:21,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:54:21,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:54:21,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201541490] [2022-11-16 12:54:21,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:54:21,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:54:21,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:54:21,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:54:21,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:54:21,023 INFO L87 Difference]: Start difference. First operand 2706 states and 3899 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:26,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:26,542 INFO L93 Difference]: Finished difference Result 4820 states and 6974 transitions. [2022-11-16 12:54:26,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:54:26,543 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:54:26,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:26,548 INFO L225 Difference]: With dead ends: 4820 [2022-11-16 12:54:26,549 INFO L226 Difference]: Without dead ends: 4554 [2022-11-16 12:54:26,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:54:26,551 INFO L413 NwaCegarLoop]: 1881 mSDtfsCounter, 9512 mSDsluCounter, 6321 mSDsCounter, 0 mSdLazyCounter, 6981 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9512 SdHoareTripleChecker+Valid, 8202 SdHoareTripleChecker+Invalid, 6987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:26,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9512 Valid, 8202 Invalid, 6987 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 6981 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-16 12:54:26,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-11-16 12:54:27,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-11-16 12:54:27,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4604720869239416) internal successors, (3898), 2705 states have internal predecessors, (3898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3898 transitions. [2022-11-16 12:54:27,068 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3898 transitions. Word has length 128 [2022-11-16 12:54:27,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:27,068 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3898 transitions. [2022-11-16 12:54:27,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:27,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3898 transitions. [2022-11-16 12:54:27,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:54:27,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:27,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:54:27,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-16 12:54:27,073 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:54:27,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:27,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1420830732, now seen corresponding path program 1 times [2022-11-16 12:54:27,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:54:27,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247943780] [2022-11-16 12:54:27,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:27,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:54:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:54:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:54:27,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:54:27,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247943780] [2022-11-16 12:54:27,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247943780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:54:27,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:54:27,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:54:27,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466255242] [2022-11-16 12:54:27,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:54:27,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:54:27,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:54:27,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:54:27,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:54:27,527 INFO L87 Difference]: Start difference. First operand 2706 states and 3898 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:32,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:32,518 INFO L93 Difference]: Finished difference Result 4578 states and 6567 transitions. [2022-11-16 12:54:32,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:54:32,518 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:54:32,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:32,523 INFO L225 Difference]: With dead ends: 4578 [2022-11-16 12:54:32,523 INFO L226 Difference]: Without dead ends: 4386 [2022-11-16 12:54:32,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:54:32,524 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 7250 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5446 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7250 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:32,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7250 Valid, 6139 Invalid, 5452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5446 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-16 12:54:32,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-11-16 12:54:32,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-11-16 12:54:32,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.460097414762083) internal successors, (3897), 2705 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:32,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3897 transitions. [2022-11-16 12:54:32,979 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3897 transitions. Word has length 128 [2022-11-16 12:54:32,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:32,979 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3897 transitions. [2022-11-16 12:54:32,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:32,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3897 transitions. [2022-11-16 12:54:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:54:32,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:32,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:54:32,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-16 12:54:32,983 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:54:32,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:32,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1591777376, now seen corresponding path program 1 times [2022-11-16 12:54:32,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:54:32,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064987532] [2022-11-16 12:54:32,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:32,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:54:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:54:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:54:33,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:54:33,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064987532] [2022-11-16 12:54:33,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064987532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:54:33,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:54:33,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:54:33,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252351817] [2022-11-16 12:54:33,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:54:33,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:54:33,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:54:33,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:54:33,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:54:33,378 INFO L87 Difference]: Start difference. First operand 2706 states and 3897 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:38,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:38,736 INFO L93 Difference]: Finished difference Result 4765 states and 6878 transitions. [2022-11-16 12:54:38,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:54:38,736 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:54:38,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:38,741 INFO L225 Difference]: With dead ends: 4765 [2022-11-16 12:54:38,742 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:54:38,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:54:38,744 INFO L413 NwaCegarLoop]: 1866 mSDtfsCounter, 6395 mSDsluCounter, 5985 mSDsCounter, 0 mSdLazyCounter, 6656 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6395 SdHoareTripleChecker+Valid, 7851 SdHoareTripleChecker+Invalid, 6662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:38,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6395 Valid, 7851 Invalid, 6662 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 6656 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 12:54:38,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 12:54:39,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2022-11-16 12:54:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4597227426002248) internal successors, (3896), 2705 states have internal predecessors, (3896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:39,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3896 transitions. [2022-11-16 12:54:39,276 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3896 transitions. Word has length 128 [2022-11-16 12:54:39,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:39,276 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3896 transitions. [2022-11-16 12:54:39,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3896 transitions. [2022-11-16 12:54:39,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:54:39,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:39,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:54:39,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-16 12:54:39,279 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:54:39,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:39,280 INFO L85 PathProgramCache]: Analyzing trace with hash -931556890, now seen corresponding path program 1 times [2022-11-16 12:54:39,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:54:39,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874708477] [2022-11-16 12:54:39,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:39,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:54:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:54:39,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:54:39,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:54:39,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874708477] [2022-11-16 12:54:39,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874708477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:54:39,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:54:39,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:54:39,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237662755] [2022-11-16 12:54:39,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:54:39,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:54:39,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:54:39,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:54:39,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:54:39,667 INFO L87 Difference]: Start difference. First operand 2706 states and 3896 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:44,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:44,602 INFO L93 Difference]: Finished difference Result 4580 states and 6566 transitions. [2022-11-16 12:54:44,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:54:44,602 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:54:44,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:44,607 INFO L225 Difference]: With dead ends: 4580 [2022-11-16 12:54:44,607 INFO L226 Difference]: Without dead ends: 4386 [2022-11-16 12:54:44,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:54:44,608 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10968 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5437 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10968 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:44,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10968 Valid, 6139 Invalid, 5444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5437 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:54:44,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-11-16 12:54:45,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-11-16 12:54:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4593480704383663) internal successors, (3895), 2705 states have internal predecessors, (3895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:45,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3895 transitions. [2022-11-16 12:54:45,120 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3895 transitions. Word has length 128 [2022-11-16 12:54:45,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:45,120 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3895 transitions. [2022-11-16 12:54:45,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3895 transitions. [2022-11-16 12:54:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:54:45,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:45,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:54:45,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-16 12:54:45,123 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:54:45,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:45,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1604231275, now seen corresponding path program 1 times [2022-11-16 12:54:45,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:54:45,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817780971] [2022-11-16 12:54:45,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:45,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:54:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:54:45,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:54:45,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:54:45,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817780971] [2022-11-16 12:54:45,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817780971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:54:45,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:54:45,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:54:45,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114640738] [2022-11-16 12:54:45,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:54:45,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:54:45,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:54:45,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:54:45,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:54:45,490 INFO L87 Difference]: Start difference. First operand 2706 states and 3895 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:50,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:50,491 INFO L93 Difference]: Finished difference Result 4584 states and 6568 transitions. [2022-11-16 12:54:50,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:54:50,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:54:50,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:50,497 INFO L225 Difference]: With dead ends: 4584 [2022-11-16 12:54:50,498 INFO L226 Difference]: Without dead ends: 4386 [2022-11-16 12:54:50,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:54:50,500 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10974 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 5431 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10974 SdHoareTripleChecker+Valid, 6134 SdHoareTripleChecker+Invalid, 5438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:50,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10974 Valid, 6134 Invalid, 5438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5431 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:54:50,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-11-16 12:54:51,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-11-16 12:54:51,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.458973398276508) internal successors, (3894), 2705 states have internal predecessors, (3894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3894 transitions. [2022-11-16 12:54:51,054 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3894 transitions. Word has length 128 [2022-11-16 12:54:51,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:51,054 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3894 transitions. [2022-11-16 12:54:51,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3894 transitions. [2022-11-16 12:54:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:54:51,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:51,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:54:51,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-16 12:54:51,057 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:54:51,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:51,058 INFO L85 PathProgramCache]: Analyzing trace with hash -943249158, now seen corresponding path program 1 times [2022-11-16 12:54:51,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:54:51,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180693026] [2022-11-16 12:54:51,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:51,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:54:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:54:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:54:51,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:54:51,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180693026] [2022-11-16 12:54:51,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180693026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:54:51,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:54:51,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:54:51,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754104053] [2022-11-16 12:54:51,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:54:51,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:54:51,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:54:51,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:54:51,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:54:51,439 INFO L87 Difference]: Start difference. First operand 2706 states and 3894 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:56,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:56,472 INFO L93 Difference]: Finished difference Result 4580 states and 6562 transitions. [2022-11-16 12:54:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:54:56,473 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:54:56,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:56,477 INFO L225 Difference]: With dead ends: 4580 [2022-11-16 12:54:56,477 INFO L226 Difference]: Without dead ends: 4386 [2022-11-16 12:54:56,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:54:56,478 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10958 mSDsluCounter, 4702 mSDsCounter, 0 mSdLazyCounter, 5428 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10958 SdHoareTripleChecker+Valid, 6138 SdHoareTripleChecker+Invalid, 5435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:56,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10958 Valid, 6138 Invalid, 5435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5428 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:54:56,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-11-16 12:54:57,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-11-16 12:54:57,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4585987261146496) internal successors, (3893), 2705 states have internal predecessors, (3893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:57,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3893 transitions. [2022-11-16 12:54:57,036 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3893 transitions. Word has length 128 [2022-11-16 12:54:57,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:57,036 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3893 transitions. [2022-11-16 12:54:57,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3893 transitions. [2022-11-16 12:54:57,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:54:57,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:57,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:54:57,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-16 12:54:57,040 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:54:57,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash -337041358, now seen corresponding path program 1 times [2022-11-16 12:54:57,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:54:57,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664876156] [2022-11-16 12:54:57,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:57,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:54:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:54:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:54:57,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:54:57,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664876156] [2022-11-16 12:54:57,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664876156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:54:57,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:54:57,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:54:57,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224896482] [2022-11-16 12:54:57,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:54:57,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:54:57,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:54:57,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:54:57,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:54:57,478 INFO L87 Difference]: Start difference. First operand 2706 states and 3893 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:02,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:55:02,610 INFO L93 Difference]: Finished difference Result 4405 states and 6248 transitions. [2022-11-16 12:55:02,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:55:02,610 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:55:02,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:55:02,615 INFO L225 Difference]: With dead ends: 4405 [2022-11-16 12:55:02,615 INFO L226 Difference]: Without dead ends: 4214 [2022-11-16 12:55:02,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:55:02,617 INFO L413 NwaCegarLoop]: 1390 mSDtfsCounter, 7509 mSDsluCounter, 4290 mSDsCounter, 0 mSdLazyCounter, 5426 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7509 SdHoareTripleChecker+Valid, 5680 SdHoareTripleChecker+Invalid, 5432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:55:02,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7509 Valid, 5680 Invalid, 5432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5426 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 12:55:02,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-11-16 12:55:03,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-11-16 12:55:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4582240539527913) internal successors, (3892), 2705 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3892 transitions. [2022-11-16 12:55:03,213 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3892 transitions. Word has length 128 [2022-11-16 12:55:03,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:55:03,214 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3892 transitions. [2022-11-16 12:55:03,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:03,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3892 transitions. [2022-11-16 12:55:03,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:55:03,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:55:03,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:55:03,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-16 12:55:03,217 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:55:03,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:55:03,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1226086168, now seen corresponding path program 1 times [2022-11-16 12:55:03,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:55:03,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913875115] [2022-11-16 12:55:03,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:03,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:55:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:55:03,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:55:03,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913875115] [2022-11-16 12:55:03,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913875115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:55:03,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:55:03,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:55:03,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392770231] [2022-11-16 12:55:03,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:55:03,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:55:03,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:55:03,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:55:03,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:55:03,667 INFO L87 Difference]: Start difference. First operand 2706 states and 3892 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:09,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:55:09,703 INFO L93 Difference]: Finished difference Result 4858 states and 7004 transitions. [2022-11-16 12:55:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:55:09,704 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:55:09,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:55:09,708 INFO L225 Difference]: With dead ends: 4858 [2022-11-16 12:55:09,708 INFO L226 Difference]: Without dead ends: 4554 [2022-11-16 12:55:09,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:55:09,710 INFO L413 NwaCegarLoop]: 2036 mSDtfsCounter, 12692 mSDsluCounter, 6269 mSDsCounter, 0 mSdLazyCounter, 7037 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12692 SdHoareTripleChecker+Valid, 8305 SdHoareTripleChecker+Invalid, 7045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 7037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:55:09,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12692 Valid, 8305 Invalid, 7045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 7037 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-16 12:55:09,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-11-16 12:55:10,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-11-16 12:55:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.457849381790933) internal successors, (3891), 2705 states have internal predecessors, (3891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3891 transitions. [2022-11-16 12:55:10,302 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3891 transitions. Word has length 128 [2022-11-16 12:55:10,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:55:10,302 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3891 transitions. [2022-11-16 12:55:10,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:10,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3891 transitions. [2022-11-16 12:55:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:55:10,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:55:10,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:55:10,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-16 12:55:10,307 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:55:10,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:55:10,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1069708262, now seen corresponding path program 1 times [2022-11-16 12:55:10,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:55:10,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224562696] [2022-11-16 12:55:10,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:10,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:55:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:55:10,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:55:10,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224562696] [2022-11-16 12:55:10,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224562696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:55:10,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:55:10,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:55:10,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839549395] [2022-11-16 12:55:10,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:55:10,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:55:10,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:55:10,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:55:10,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:55:10,766 INFO L87 Difference]: Start difference. First operand 2706 states and 3891 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:16,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:55:16,167 INFO L93 Difference]: Finished difference Result 4584 states and 6561 transitions. [2022-11-16 12:55:16,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:55:16,168 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:55:16,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:55:16,173 INFO L225 Difference]: With dead ends: 4584 [2022-11-16 12:55:16,173 INFO L226 Difference]: Without dead ends: 4386 [2022-11-16 12:55:16,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:55:16,175 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10955 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 5413 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10955 SdHoareTripleChecker+Valid, 6134 SdHoareTripleChecker+Invalid, 5420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:55:16,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10955 Valid, 6134 Invalid, 5420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5413 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-16 12:55:16,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-11-16 12:55:16,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-11-16 12:55:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4574747096290745) internal successors, (3890), 2705 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3890 transitions. [2022-11-16 12:55:16,776 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3890 transitions. Word has length 128 [2022-11-16 12:55:16,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:55:16,776 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3890 transitions. [2022-11-16 12:55:16,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3890 transitions. [2022-11-16 12:55:16,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:55:16,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:55:16,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:55:16,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-16 12:55:16,781 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:55:16,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:55:16,781 INFO L85 PathProgramCache]: Analyzing trace with hash 883623581, now seen corresponding path program 1 times [2022-11-16 12:55:16,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:55:16,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746985323] [2022-11-16 12:55:16,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:16,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:55:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:55:17,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:55:17,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746985323] [2022-11-16 12:55:17,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746985323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:55:17,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:55:17,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:55:17,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681393377] [2022-11-16 12:55:17,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:55:17,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:55:17,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:55:17,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:55:17,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:55:17,199 INFO L87 Difference]: Start difference. First operand 2706 states and 3890 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:22,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:55:22,821 INFO L93 Difference]: Finished difference Result 4808 states and 6930 transitions. [2022-11-16 12:55:22,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:55:22,822 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:55:22,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:55:22,825 INFO L225 Difference]: With dead ends: 4808 [2022-11-16 12:55:22,826 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:55:22,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:55:22,827 INFO L413 NwaCegarLoop]: 1822 mSDtfsCounter, 13459 mSDsluCounter, 6038 mSDsCounter, 0 mSdLazyCounter, 6581 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13459 SdHoareTripleChecker+Valid, 7860 SdHoareTripleChecker+Invalid, 6589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 6581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:55:22,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13459 Valid, 7860 Invalid, 6589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 6581 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 12:55:22,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 12:55:23,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2022-11-16 12:55:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4567253653053578) internal successors, (3888), 2705 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3888 transitions. [2022-11-16 12:55:23,405 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3888 transitions. Word has length 128 [2022-11-16 12:55:23,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:55:23,405 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3888 transitions. [2022-11-16 12:55:23,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3888 transitions. [2022-11-16 12:55:23,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:55:23,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:55:23,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:55:23,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-16 12:55:23,408 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:55:23,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:55:23,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1591765089, now seen corresponding path program 1 times [2022-11-16 12:55:23,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:55:23,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314576531] [2022-11-16 12:55:23,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:23,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:55:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:55:23,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:55:23,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314576531] [2022-11-16 12:55:23,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314576531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:55:23,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:55:23,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:55:23,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397915649] [2022-11-16 12:55:23,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:55:23,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:55:23,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:55:23,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:55:23,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:55:23,865 INFO L87 Difference]: Start difference. First operand 2706 states and 3888 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:29,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:55:29,909 INFO L93 Difference]: Finished difference Result 4924 states and 7106 transitions. [2022-11-16 12:55:29,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:55:29,909 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:55:29,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:55:29,913 INFO L225 Difference]: With dead ends: 4924 [2022-11-16 12:55:29,913 INFO L226 Difference]: Without dead ends: 4554 [2022-11-16 12:55:29,915 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 [2022-11-16 12:55:29,915 INFO L413 NwaCegarLoop]: 1901 mSDtfsCounter, 13090 mSDsluCounter, 6229 mSDsCounter, 0 mSdLazyCounter, 6825 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13090 SdHoareTripleChecker+Valid, 8130 SdHoareTripleChecker+Invalid, 6833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 6825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:55:29,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13090 Valid, 8130 Invalid, 6833 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 6825 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-16 12:55:29,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-11-16 12:55:30,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-11-16 12:55:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.455976020981641) internal successors, (3886), 2705 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:30,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3886 transitions. [2022-11-16 12:55:30,500 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3886 transitions. Word has length 128 [2022-11-16 12:55:30,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:55:30,500 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3886 transitions. [2022-11-16 12:55:30,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:30,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3886 transitions. [2022-11-16 12:55:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:55:30,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:55:30,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:55:30,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-16 12:55:30,504 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:55:30,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:55:30,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1715317699, now seen corresponding path program 1 times [2022-11-16 12:55:30,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:55:30,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617986171] [2022-11-16 12:55:30,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:30,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:55:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:55:30,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:55:30,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617986171] [2022-11-16 12:55:30,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617986171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:55:30,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:55:30,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:55:30,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402361581] [2022-11-16 12:55:30,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:55:30,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:55:30,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:55:30,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:55:30,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:55:30,780 INFO L87 Difference]: Start difference. First operand 2706 states and 3886 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:36,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:55:36,095 INFO L93 Difference]: Finished difference Result 4588 states and 6562 transitions. [2022-11-16 12:55:36,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:55:36,096 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:55:36,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:55:36,101 INFO L225 Difference]: With dead ends: 4588 [2022-11-16 12:55:36,101 INFO L226 Difference]: Without dead ends: 4386 [2022-11-16 12:55:36,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:55:36,103 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10931 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5403 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10931 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:55:36,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10931 Valid, 6139 Invalid, 5410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5403 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 12:55:36,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-11-16 12:55:36,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-11-16 12:55:36,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4552266766579243) internal successors, (3884), 2705 states have internal predecessors, (3884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3884 transitions. [2022-11-16 12:55:36,810 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3884 transitions. Word has length 128 [2022-11-16 12:55:36,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:55:36,810 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3884 transitions. [2022-11-16 12:55:36,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3884 transitions. [2022-11-16 12:55:36,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:55:36,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:55:36,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:55:36,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-16 12:55:36,815 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:55:36,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:55:36,816 INFO L85 PathProgramCache]: Analyzing trace with hash 295990348, now seen corresponding path program 1 times [2022-11-16 12:55:36,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:55:36,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308466733] [2022-11-16 12:55:36,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:36,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:55:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:55:37,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:55:37,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308466733] [2022-11-16 12:55:37,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308466733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:55:37,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:55:37,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:55:37,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458524245] [2022-11-16 12:55:37,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:55:37,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:55:37,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:55:37,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:55:37,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:55:37,193 INFO L87 Difference]: Start difference. First operand 2706 states and 3884 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:42,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:55:42,656 INFO L93 Difference]: Finished difference Result 4590 states and 6559 transitions. [2022-11-16 12:55:42,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:55:42,656 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:55:42,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:55:42,660 INFO L225 Difference]: With dead ends: 4590 [2022-11-16 12:55:42,660 INFO L226 Difference]: Without dead ends: 4386 [2022-11-16 12:55:42,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:55:42,662 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 7230 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 5396 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7230 SdHoareTripleChecker+Valid, 6136 SdHoareTripleChecker+Invalid, 5402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:55:42,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7230 Valid, 6136 Invalid, 5402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5396 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-16 12:55:42,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-11-16 12:55:43,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-11-16 12:55:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4544773323342075) internal successors, (3882), 2705 states have internal predecessors, (3882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3882 transitions. [2022-11-16 12:55:43,326 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3882 transitions. Word has length 128 [2022-11-16 12:55:43,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:55:43,327 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3882 transitions. [2022-11-16 12:55:43,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3882 transitions. [2022-11-16 12:55:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:55:43,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:55:43,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:55:43,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-16 12:55:43,330 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:55:43,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:55:43,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1590504953, now seen corresponding path program 1 times [2022-11-16 12:55:43,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:55:43,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705594329] [2022-11-16 12:55:43,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:43,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:55:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:55:43,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:55:43,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705594329] [2022-11-16 12:55:43,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705594329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:55:43,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:55:43,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:55:43,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798399031] [2022-11-16 12:55:43,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:55:43,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:55:43,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:55:43,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:55:43,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:55:43,711 INFO L87 Difference]: Start difference. First operand 2706 states and 3882 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:49,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:55:49,737 INFO L93 Difference]: Finished difference Result 5260 states and 7568 transitions. [2022-11-16 12:55:49,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:55:49,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:55:49,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:55:49,742 INFO L225 Difference]: With dead ends: 5260 [2022-11-16 12:55:49,742 INFO L226 Difference]: Without dead ends: 4590 [2022-11-16 12:55:49,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:55:49,744 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 9228 mSDsluCounter, 6471 mSDsCounter, 0 mSdLazyCounter, 7117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9228 SdHoareTripleChecker+Valid, 8689 SdHoareTripleChecker+Invalid, 7125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 7117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:55:49,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9228 Valid, 8689 Invalid, 7125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 7117 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-16 12:55:49,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-11-16 12:55:50,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2022-11-16 12:55:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4537279880104907) internal successors, (3880), 2705 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3880 transitions. [2022-11-16 12:55:50,366 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3880 transitions. Word has length 128 [2022-11-16 12:55:50,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:55:50,366 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3880 transitions. [2022-11-16 12:55:50,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:50,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3880 transitions. [2022-11-16 12:55:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:55:50,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:55:50,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:55:50,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-16 12:55:50,369 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:55:50,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:55:50,369 INFO L85 PathProgramCache]: Analyzing trace with hash -649704393, now seen corresponding path program 1 times [2022-11-16 12:55:50,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:55:50,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832957262] [2022-11-16 12:55:50,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:50,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:55:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:55:50,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:55:50,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832957262] [2022-11-16 12:55:50,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832957262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:55:50,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:55:50,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:55:50,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776367234] [2022-11-16 12:55:50,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:55:50,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:55:50,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:55:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:55:50,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:55:50,653 INFO L87 Difference]: Start difference. First operand 2706 states and 3880 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:55,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:55:55,974 INFO L93 Difference]: Finished difference Result 4594 states and 6559 transitions. [2022-11-16 12:55:55,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:55:55,975 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:55:55,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:55:55,979 INFO L225 Difference]: With dead ends: 4594 [2022-11-16 12:55:55,979 INFO L226 Difference]: Without dead ends: 4386 [2022-11-16 12:55:55,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:55:55,980 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10928 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 5389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10928 SdHoareTripleChecker+Valid, 6134 SdHoareTripleChecker+Invalid, 5396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:55:55,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10928 Valid, 6134 Invalid, 5396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5389 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:55:55,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-11-16 12:55:56,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-11-16 12:55:56,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.452978643686774) internal successors, (3878), 2705 states have internal predecessors, (3878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3878 transitions. [2022-11-16 12:55:56,616 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3878 transitions. Word has length 128 [2022-11-16 12:55:56,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:55:56,617 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3878 transitions. [2022-11-16 12:55:56,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:55:56,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3878 transitions. [2022-11-16 12:55:56,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:55:56,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:55:56,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:55:56,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-16 12:55:56,620 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:55:56,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:55:56,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1947594431, now seen corresponding path program 1 times [2022-11-16 12:55:56,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:55:56,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403266193] [2022-11-16 12:55:56,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:56,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:55:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:55:56,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:55:56,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403266193] [2022-11-16 12:55:56,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403266193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:55:56,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:55:56,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:55:56,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517766179] [2022-11-16 12:55:56,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:55:56,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:55:56,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:55:56,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:55:56,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:55:56,916 INFO L87 Difference]: Start difference. First operand 2706 states and 3878 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:02,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:56:02,904 INFO L93 Difference]: Finished difference Result 4960 states and 7136 transitions. [2022-11-16 12:56:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:56:02,904 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:56:02,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:56:02,910 INFO L225 Difference]: With dead ends: 4960 [2022-11-16 12:56:02,910 INFO L226 Difference]: Without dead ends: 4554 [2022-11-16 12:56:02,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:56:02,912 INFO L413 NwaCegarLoop]: 2114 mSDtfsCounter, 7765 mSDsluCounter, 6833 mSDsCounter, 0 mSdLazyCounter, 7389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7765 SdHoareTripleChecker+Valid, 8947 SdHoareTripleChecker+Invalid, 7396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:56:02,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7765 Valid, 8947 Invalid, 7396 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 7389 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-16 12:56:02,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-11-16 12:56:03,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-11-16 12:56:03,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4522292993630572) internal successors, (3876), 2705 states have internal predecessors, (3876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3876 transitions. [2022-11-16 12:56:03,610 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3876 transitions. Word has length 128 [2022-11-16 12:56:03,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:56:03,611 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3876 transitions. [2022-11-16 12:56:03,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3876 transitions. [2022-11-16 12:56:03,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:56:03,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:56:03,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:56:03,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-16 12:56:03,614 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:56:03,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:56:03,615 INFO L85 PathProgramCache]: Analyzing trace with hash 757045227, now seen corresponding path program 1 times [2022-11-16 12:56:03,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:56:03,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849727674] [2022-11-16 12:56:03,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:56:03,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:56:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:56:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:56:03,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:56:03,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849727674] [2022-11-16 12:56:03,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849727674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:56:03,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:56:03,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:56:03,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657083775] [2022-11-16 12:56:03,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:56:03,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:56:03,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:56:03,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:56:03,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:56:03,959 INFO L87 Difference]: Start difference. First operand 2706 states and 3876 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:10,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:56:10,191 INFO L93 Difference]: Finished difference Result 4812 states and 6920 transitions. [2022-11-16 12:56:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:56:10,191 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-16 12:56:10,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:56:10,197 INFO L225 Difference]: With dead ends: 4812 [2022-11-16 12:56:10,197 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:56:10,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:56:10,199 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 7346 mSDsluCounter, 6839 mSDsCounter, 0 mSdLazyCounter, 7505 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7346 SdHoareTripleChecker+Valid, 8941 SdHoareTripleChecker+Invalid, 7510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:56:10,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7346 Valid, 8941 Invalid, 7510 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7505 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-16 12:56:10,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 12:56:10,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2022-11-16 12:56:10,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4514799550393407) internal successors, (3874), 2705 states have internal predecessors, (3874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3874 transitions. [2022-11-16 12:56:10,899 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3874 transitions. Word has length 128 [2022-11-16 12:56:10,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:56:10,899 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3874 transitions. [2022-11-16 12:56:10,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3874 transitions. [2022-11-16 12:56:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:56:10,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:56:10,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:56:10,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-16 12:56:10,903 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:56:10,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:56:10,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1772568616, now seen corresponding path program 1 times [2022-11-16 12:56:10,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:56:10,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142524390] [2022-11-16 12:56:10,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:56:10,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:56:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:56:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:56:11,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:56:11,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142524390] [2022-11-16 12:56:11,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142524390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:56:11,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:56:11,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:56:11,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097977266] [2022-11-16 12:56:11,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:56:11,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:56:11,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:56:11,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:56:11,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:56:11,335 INFO L87 Difference]: Start difference. First operand 2706 states and 3874 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:16,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:56:16,813 INFO L93 Difference]: Finished difference Result 4578 states and 6531 transitions. [2022-11-16 12:56:16,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:56:16,814 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:56:16,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:56:16,819 INFO L225 Difference]: With dead ends: 4578 [2022-11-16 12:56:16,820 INFO L226 Difference]: Without dead ends: 4386 [2022-11-16 12:56:16,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:56:16,822 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 7199 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5381 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7199 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:56:16,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7199 Valid, 6139 Invalid, 5387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5381 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:56:16,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-11-16 12:56:17,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-11-16 12:56:17,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4511052828774822) internal successors, (3873), 2705 states have internal predecessors, (3873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3873 transitions. [2022-11-16 12:56:17,519 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3873 transitions. Word has length 130 [2022-11-16 12:56:17,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:56:17,519 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3873 transitions. [2022-11-16 12:56:17,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:17,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3873 transitions. [2022-11-16 12:56:17,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:56:17,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:56:17,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:56:17,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-16 12:56:17,522 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:56:17,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:56:17,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1325529909, now seen corresponding path program 1 times [2022-11-16 12:56:17,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:56:17,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517995930] [2022-11-16 12:56:17,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:56:17,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:56:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:56:17,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:56:17,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:56:17,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517995930] [2022-11-16 12:56:17,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517995930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:56:17,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:56:17,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:56:17,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954965367] [2022-11-16 12:56:17,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:56:17,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:56:17,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:56:17,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:56:17,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:56:17,789 INFO L87 Difference]: Start difference. First operand 2706 states and 3873 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:23,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:56:23,282 INFO L93 Difference]: Finished difference Result 4578 states and 6529 transitions. [2022-11-16 12:56:23,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:56:23,283 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:56:23,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:56:23,287 INFO L225 Difference]: With dead ends: 4578 [2022-11-16 12:56:23,287 INFO L226 Difference]: Without dead ends: 4386 [2022-11-16 12:56:23,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:56:23,289 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10874 mSDsluCounter, 4706 mSDsCounter, 0 mSdLazyCounter, 5374 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10874 SdHoareTripleChecker+Valid, 6142 SdHoareTripleChecker+Invalid, 5381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:56:23,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10874 Valid, 6142 Invalid, 5381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5374 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:56:23,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-11-16 12:56:24,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-11-16 12:56:24,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.450730610715624) internal successors, (3872), 2705 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:24,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3872 transitions. [2022-11-16 12:56:24,077 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3872 transitions. Word has length 130 [2022-11-16 12:56:24,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:56:24,077 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3872 transitions. [2022-11-16 12:56:24,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:24,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3872 transitions. [2022-11-16 12:56:24,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:56:24,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:56:24,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:56:24,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-16 12:56:24,081 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:56:24,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:56:24,081 INFO L85 PathProgramCache]: Analyzing trace with hash 482117909, now seen corresponding path program 1 times [2022-11-16 12:56:24,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:56:24,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6277352] [2022-11-16 12:56:24,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:56:24,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:56:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:56:24,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:56:24,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:56:24,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6277352] [2022-11-16 12:56:24,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6277352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:56:24,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:56:24,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 12:56:24,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415556088] [2022-11-16 12:56:24,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:56:24,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:56:24,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:56:24,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:56:24,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:56:24,695 INFO L87 Difference]: Start difference. First operand 2706 states and 3872 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:35,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:56:35,801 INFO L93 Difference]: Finished difference Result 6158 states and 8919 transitions. [2022-11-16 12:56:35,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 12:56:35,801 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:56:35,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:56:35,806 INFO L225 Difference]: With dead ends: 6158 [2022-11-16 12:56:35,807 INFO L226 Difference]: Without dead ends: 5931 [2022-11-16 12:56:35,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-16 12:56:35,811 INFO L413 NwaCegarLoop]: 2205 mSDtfsCounter, 19307 mSDsluCounter, 9889 mSDsCounter, 0 mSdLazyCounter, 10285 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19307 SdHoareTripleChecker+Valid, 12094 SdHoareTripleChecker+Invalid, 10753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 10285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:56:35,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19307 Valid, 12094 Invalid, 10753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [468 Valid, 10285 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-16 12:56:35,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5931 states. [2022-11-16 12:56:36,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5931 to 2710. [2022-11-16 12:56:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4500561167227835) internal successors, (3876), 2709 states have internal predecessors, (3876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3876 transitions. [2022-11-16 12:56:36,684 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3876 transitions. Word has length 130 [2022-11-16 12:56:36,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:56:36,684 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3876 transitions. [2022-11-16 12:56:36,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:36,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3876 transitions. [2022-11-16 12:56:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:56:36,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:56:36,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:56:36,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-16 12:56:36,688 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:56:36,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:56:36,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1400633873, now seen corresponding path program 1 times [2022-11-16 12:56:36,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:56:36,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276453688] [2022-11-16 12:56:36,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:56:36,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:56:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:56:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:56:37,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:56:37,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276453688] [2022-11-16 12:56:37,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276453688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:56:37,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:56:37,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:56:37,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835831386] [2022-11-16 12:56:37,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:56:37,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:56:37,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:56:37,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:56:37,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:56:37,035 INFO L87 Difference]: Start difference. First operand 2710 states and 3876 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:43,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:56:43,841 INFO L93 Difference]: Finished difference Result 4750 states and 6825 transitions. [2022-11-16 12:56:43,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:56:43,842 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:56:43,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:56:43,846 INFO L225 Difference]: With dead ends: 4750 [2022-11-16 12:56:43,846 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:56:43,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:56:43,849 INFO L413 NwaCegarLoop]: 2050 mSDtfsCounter, 5967 mSDsluCounter, 6723 mSDsCounter, 0 mSdLazyCounter, 7371 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5967 SdHoareTripleChecker+Valid, 8773 SdHoareTripleChecker+Invalid, 7376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:56:43,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5967 Valid, 8773 Invalid, 7376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7371 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-16 12:56:43,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 12:56:44,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2022-11-16 12:56:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4496820052375607) internal successors, (3875), 2709 states have internal predecessors, (3875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3875 transitions. [2022-11-16 12:56:44,647 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3875 transitions. Word has length 130 [2022-11-16 12:56:44,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:56:44,648 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3875 transitions. [2022-11-16 12:56:44,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3875 transitions. [2022-11-16 12:56:44,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:56:44,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:56:44,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:56:44,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-16 12:56:44,651 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:56:44,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:56:44,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1004203123, now seen corresponding path program 1 times [2022-11-16 12:56:44,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:56:44,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156345574] [2022-11-16 12:56:44,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:56:44,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:56:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:56:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:56:45,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:56:45,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156345574] [2022-11-16 12:56:45,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156345574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:56:45,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:56:45,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:56:45,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047230529] [2022-11-16 12:56:45,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:56:45,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:56:45,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:56:45,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:56:45,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:56:45,045 INFO L87 Difference]: Start difference. First operand 2710 states and 3875 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:52,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:56:52,366 INFO L93 Difference]: Finished difference Result 4691 states and 6723 transitions. [2022-11-16 12:56:52,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:56:52,367 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:56:52,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:56:52,371 INFO L225 Difference]: With dead ends: 4691 [2022-11-16 12:56:52,372 INFO L226 Difference]: Without dead ends: 4486 [2022-11-16 12:56:52,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:56:52,373 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 11868 mSDsluCounter, 6939 mSDsCounter, 0 mSdLazyCounter, 7192 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11868 SdHoareTripleChecker+Valid, 8543 SdHoareTripleChecker+Invalid, 7199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:56:52,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11868 Valid, 8543 Invalid, 7199 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 7192 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-16 12:56:52,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2022-11-16 12:56:53,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2022-11-16 12:56:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4493078937523383) internal successors, (3874), 2709 states have internal predecessors, (3874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:53,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3874 transitions. [2022-11-16 12:56:53,315 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3874 transitions. Word has length 130 [2022-11-16 12:56:53,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:56:53,315 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3874 transitions. [2022-11-16 12:56:53,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:56:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3874 transitions. [2022-11-16 12:56:53,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:56:53,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:56:53,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:56:53,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-16 12:56:53,320 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:56:53,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:56:53,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1677688633, now seen corresponding path program 1 times [2022-11-16 12:56:53,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:56:53,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563589546] [2022-11-16 12:56:53,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:56:53,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:56:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:56:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:56:53,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:56:53,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563589546] [2022-11-16 12:56:53,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563589546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:56:53,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:56:53,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:56:53,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572248564] [2022-11-16 12:56:53,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:56:53,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:56:53,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:56:53,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:56:53,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:56:53,648 INFO L87 Difference]: Start difference. First operand 2710 states and 3874 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:00,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:57:00,105 INFO L93 Difference]: Finished difference Result 4697 states and 6727 transitions. [2022-11-16 12:57:00,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:57:00,105 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:57:00,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:57:00,109 INFO L225 Difference]: With dead ends: 4697 [2022-11-16 12:57:00,109 INFO L226 Difference]: Without dead ends: 4486 [2022-11-16 12:57:00,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:57:00,110 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 9250 mSDsluCounter, 6258 mSDsCounter, 0 mSdLazyCounter, 6681 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9250 SdHoareTripleChecker+Valid, 7943 SdHoareTripleChecker+Invalid, 6687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:57:00,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9250 Valid, 7943 Invalid, 6687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 6681 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-16 12:57:00,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2022-11-16 12:57:00,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2022-11-16 12:57:00,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4489337822671156) internal successors, (3873), 2709 states have internal predecessors, (3873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3873 transitions. [2022-11-16 12:57:00,917 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3873 transitions. Word has length 130 [2022-11-16 12:57:00,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:57:00,918 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3873 transitions. [2022-11-16 12:57:00,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3873 transitions. [2022-11-16 12:57:00,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:57:00,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:57:00,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:57:00,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-16 12:57:00,921 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:57:00,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:57:00,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1493970645, now seen corresponding path program 1 times [2022-11-16 12:57:00,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:57:00,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282865896] [2022-11-16 12:57:00,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:57:00,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:57:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:57:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:57:01,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:57:01,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282865896] [2022-11-16 12:57:01,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282865896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:57:01,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:57:01,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:57:01,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439393205] [2022-11-16 12:57:01,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:57:01,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:57:01,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:57:01,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:57:01,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:57:01,279 INFO L87 Difference]: Start difference. First operand 2710 states and 3873 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:08,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:57:08,522 INFO L93 Difference]: Finished difference Result 4689 states and 6718 transitions. [2022-11-16 12:57:08,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:57:08,523 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:57:08,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:57:08,527 INFO L225 Difference]: With dead ends: 4689 [2022-11-16 12:57:08,527 INFO L226 Difference]: Without dead ends: 4486 [2022-11-16 12:57:08,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:57:08,529 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 11851 mSDsluCounter, 6943 mSDsCounter, 0 mSdLazyCounter, 7183 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11851 SdHoareTripleChecker+Valid, 8547 SdHoareTripleChecker+Invalid, 7190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:57:08,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11851 Valid, 8547 Invalid, 7190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 7183 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-16 12:57:08,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2022-11-16 12:57:09,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2022-11-16 12:57:09,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.448559670781893) internal successors, (3872), 2709 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3872 transitions. [2022-11-16 12:57:09,465 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3872 transitions. Word has length 130 [2022-11-16 12:57:09,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:57:09,465 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3872 transitions. [2022-11-16 12:57:09,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3872 transitions. [2022-11-16 12:57:09,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:57:09,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:57:09,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:57:09,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-16 12:57:09,468 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:57:09,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:57:09,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1046931938, now seen corresponding path program 1 times [2022-11-16 12:57:09,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:57:09,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628111733] [2022-11-16 12:57:09,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:57:09,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:57:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:57:09,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:57:09,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:57:09,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628111733] [2022-11-16 12:57:09,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628111733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:57:09,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:57:09,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:57:09,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701503120] [2022-11-16 12:57:09,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:57:09,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:57:09,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:57:09,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:57:09,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:57:09,779 INFO L87 Difference]: Start difference. First operand 2710 states and 3872 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:17,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:57:17,018 INFO L93 Difference]: Finished difference Result 4757 states and 6829 transitions. [2022-11-16 12:57:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:57:17,018 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:57:17,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:57:17,022 INFO L225 Difference]: With dead ends: 4757 [2022-11-16 12:57:17,022 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:57:17,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:57:17,024 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 11631 mSDsluCounter, 6718 mSDsCounter, 0 mSdLazyCounter, 7349 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11631 SdHoareTripleChecker+Valid, 8776 SdHoareTripleChecker+Invalid, 7355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:57:17,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11631 Valid, 8776 Invalid, 7355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 7349 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-16 12:57:17,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 12:57:17,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2022-11-16 12:57:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4481855592966704) internal successors, (3871), 2709 states have internal predecessors, (3871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3871 transitions. [2022-11-16 12:57:17,951 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3871 transitions. Word has length 130 [2022-11-16 12:57:17,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:57:17,951 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3871 transitions. [2022-11-16 12:57:17,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3871 transitions. [2022-11-16 12:57:17,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:57:17,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:57:17,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:57:17,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-16 12:57:17,954 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:57:17,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:57:17,955 INFO L85 PathProgramCache]: Analyzing trace with hash -794902595, now seen corresponding path program 1 times [2022-11-16 12:57:17,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:57:17,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408886745] [2022-11-16 12:57:17,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:57:17,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:57:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:57:18,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:57:18,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:57:18,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408886745] [2022-11-16 12:57:18,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408886745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:57:18,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:57:18,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:57:18,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271399149] [2022-11-16 12:57:18,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:57:18,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:57:18,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:57:18,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:57:18,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:57:18,262 INFO L87 Difference]: Start difference. First operand 2710 states and 3871 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:24,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:57:24,987 INFO L93 Difference]: Finished difference Result 4406 states and 6222 transitions. [2022-11-16 12:57:24,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:57:24,987 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:57:24,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:57:24,993 INFO L225 Difference]: With dead ends: 4406 [2022-11-16 12:57:24,993 INFO L226 Difference]: Without dead ends: 4218 [2022-11-16 12:57:24,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:57:24,996 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 13690 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 5715 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13690 SdHoareTripleChecker+Valid, 6068 SdHoareTripleChecker+Invalid, 5721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:57:24,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13690 Valid, 6068 Invalid, 5721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 5715 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 12:57:25,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2022-11-16 12:57:25,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 2710. [2022-11-16 12:57:25,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4478114478114479) internal successors, (3870), 2709 states have internal predecessors, (3870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3870 transitions. [2022-11-16 12:57:25,986 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3870 transitions. Word has length 130 [2022-11-16 12:57:25,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:57:25,986 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3870 transitions. [2022-11-16 12:57:25,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3870 transitions. [2022-11-16 12:57:25,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:57:25,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:57:25,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:57:25,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-16 12:57:25,989 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:57:25,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:57:25,990 INFO L85 PathProgramCache]: Analyzing trace with hash -2056814519, now seen corresponding path program 1 times [2022-11-16 12:57:25,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:57:25,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785656056] [2022-11-16 12:57:25,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:57:25,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:57:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:57:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:57:26,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:57:26,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785656056] [2022-11-16 12:57:26,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785656056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:57:26,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:57:26,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 12:57:26,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440144443] [2022-11-16 12:57:26,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:57:26,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:57:26,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:57:26,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:57:26,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:57:26,566 INFO L87 Difference]: Start difference. First operand 2710 states and 3870 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:37,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:57:37,881 INFO L93 Difference]: Finished difference Result 6174 states and 8925 transitions. [2022-11-16 12:57:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 12:57:37,882 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:57:37,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:57:37,888 INFO L225 Difference]: With dead ends: 6174 [2022-11-16 12:57:37,888 INFO L226 Difference]: Without dead ends: 5939 [2022-11-16 12:57:37,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-16 12:57:37,891 INFO L413 NwaCegarLoop]: 2179 mSDtfsCounter, 20688 mSDsluCounter, 7514 mSDsCounter, 0 mSdLazyCounter, 8130 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20688 SdHoareTripleChecker+Valid, 9693 SdHoareTripleChecker+Invalid, 8613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 8130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:57:37,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20688 Valid, 9693 Invalid, 8613 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [483 Valid, 8130 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-16 12:57:37,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5939 states. [2022-11-16 12:57:38,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5939 to 2714. [2022-11-16 12:57:38,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4471423234964513) internal successors, (3874), 2713 states have internal predecessors, (3874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3874 transitions. [2022-11-16 12:57:38,851 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3874 transitions. Word has length 130 [2022-11-16 12:57:38,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:57:38,852 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3874 transitions. [2022-11-16 12:57:38,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3874 transitions. [2022-11-16 12:57:38,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:57:38,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:57:38,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:57:38,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-16 12:57:38,855 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:57:38,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:57:38,855 INFO L85 PathProgramCache]: Analyzing trace with hash -86761087, now seen corresponding path program 1 times [2022-11-16 12:57:38,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:57:38,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062340705] [2022-11-16 12:57:38,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:57:38,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:57:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:57:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:57:39,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:57:39,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062340705] [2022-11-16 12:57:39,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062340705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:57:39,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:57:39,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:57:39,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762678423] [2022-11-16 12:57:39,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:57:39,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:57:39,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:57:39,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:57:39,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:57:39,211 INFO L87 Difference]: Start difference. First operand 2714 states and 3874 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:46,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:57:46,104 INFO L93 Difference]: Finished difference Result 4410 states and 6225 transitions. [2022-11-16 12:57:46,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:57:46,104 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:57:46,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:57:46,109 INFO L225 Difference]: With dead ends: 4410 [2022-11-16 12:57:46,109 INFO L226 Difference]: Without dead ends: 4222 [2022-11-16 12:57:46,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:57:46,111 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 13678 mSDsluCounter, 4591 mSDsCounter, 0 mSdLazyCounter, 5714 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13678 SdHoareTripleChecker+Valid, 6080 SdHoareTripleChecker+Invalid, 5720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:57:46,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13678 Valid, 6080 Invalid, 5720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 5714 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 12:57:46,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-11-16 12:57:47,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-11-16 12:57:47,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4467687710123271) internal successors, (3873), 2713 states have internal predecessors, (3873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:47,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3873 transitions. [2022-11-16 12:57:47,135 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3873 transitions. Word has length 130 [2022-11-16 12:57:47,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:57:47,135 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3873 transitions. [2022-11-16 12:57:47,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:47,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3873 transitions. [2022-11-16 12:57:47,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:57:47,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:57:47,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:57:47,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-11-16 12:57:47,139 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:57:47,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:57:47,140 INFO L85 PathProgramCache]: Analyzing trace with hash -641149672, now seen corresponding path program 1 times [2022-11-16 12:57:47,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:57:47,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810851872] [2022-11-16 12:57:47,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:57:47,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:57:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:57:47,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:57:47,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:57:47,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810851872] [2022-11-16 12:57:47,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810851872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:57:47,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:57:47,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:57:47,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446825369] [2022-11-16 12:57:47,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:57:47,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:57:47,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:57:47,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:57:47,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:57:47,474 INFO L87 Difference]: Start difference. First operand 2714 states and 3873 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:54,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:57:54,116 INFO L93 Difference]: Finished difference Result 4410 states and 6223 transitions. [2022-11-16 12:57:54,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:57:54,116 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:57:54,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:57:54,120 INFO L225 Difference]: With dead ends: 4410 [2022-11-16 12:57:54,120 INFO L226 Difference]: Without dead ends: 4222 [2022-11-16 12:57:54,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:57:54,122 INFO L413 NwaCegarLoop]: 1505 mSDtfsCounter, 11641 mSDsluCounter, 4555 mSDsCounter, 0 mSdLazyCounter, 5683 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11641 SdHoareTripleChecker+Valid, 6060 SdHoareTripleChecker+Invalid, 5690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:57:54,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11641 Valid, 6060 Invalid, 5690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 5683 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-16 12:57:54,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-11-16 12:57:55,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-11-16 12:57:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4463952185282032) internal successors, (3872), 2713 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3872 transitions. [2022-11-16 12:57:55,054 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3872 transitions. Word has length 130 [2022-11-16 12:57:55,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:57:55,055 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3872 transitions. [2022-11-16 12:57:55,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:57:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3872 transitions. [2022-11-16 12:57:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:57:55,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:57:55,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:57:55,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-16 12:57:55,058 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:57:55,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:57:55,059 INFO L85 PathProgramCache]: Analyzing trace with hash -948826908, now seen corresponding path program 1 times [2022-11-16 12:57:55,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:57:55,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180260192] [2022-11-16 12:57:55,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:57:55,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:57:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:57:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:57:55,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:57:55,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180260192] [2022-11-16 12:57:55,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180260192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:57:55,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:57:55,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:57:55,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296340471] [2022-11-16 12:57:55,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:57:55,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:57:55,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:57:55,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:57:55,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:57:55,517 INFO L87 Difference]: Start difference. First operand 2714 states and 3872 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:02,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:58:02,838 INFO L93 Difference]: Finished difference Result 4780 states and 6845 transitions. [2022-11-16 12:58:02,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:58:02,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:58:02,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:58:02,844 INFO L225 Difference]: With dead ends: 4780 [2022-11-16 12:58:02,844 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:58:02,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:58:02,845 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 12054 mSDsluCounter, 6458 mSDsCounter, 0 mSdLazyCounter, 7096 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12054 SdHoareTripleChecker+Valid, 8495 SdHoareTripleChecker+Invalid, 7103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:58:02,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12054 Valid, 8495 Invalid, 7103 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 7096 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-16 12:58:02,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 12:58:03,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-11-16 12:58:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4460216660440792) internal successors, (3871), 2713 states have internal predecessors, (3871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3871 transitions. [2022-11-16 12:58:03,865 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3871 transitions. Word has length 130 [2022-11-16 12:58:03,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:58:03,866 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3871 transitions. [2022-11-16 12:58:03,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:03,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3871 transitions. [2022-11-16 12:58:03,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:58:03,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:58:03,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:58:03,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-16 12:58:03,868 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:58:03,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:58:03,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1179085933, now seen corresponding path program 1 times [2022-11-16 12:58:03,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:58:03,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383687513] [2022-11-16 12:58:03,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:58:03,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:58:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:58:04,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:58:04,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383687513] [2022-11-16 12:58:04,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383687513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:58:04,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:58:04,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:58:04,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848071555] [2022-11-16 12:58:04,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:58:04,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:58:04,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:58:04,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:58:04,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:58:04,151 INFO L87 Difference]: Start difference. First operand 2714 states and 3871 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:10,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:58:10,406 INFO L93 Difference]: Finished difference Result 4410 states and 6220 transitions. [2022-11-16 12:58:10,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:58:10,407 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:58:10,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:58:10,411 INFO L225 Difference]: With dead ends: 4410 [2022-11-16 12:58:10,411 INFO L226 Difference]: Without dead ends: 4222 [2022-11-16 12:58:10,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:58:10,413 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 8447 mSDsluCounter, 4413 mSDsCounter, 0 mSdLazyCounter, 5476 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8447 SdHoareTripleChecker+Valid, 5843 SdHoareTripleChecker+Invalid, 5482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:58:10,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8447 Valid, 5843 Invalid, 5482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5476 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 12:58:10,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-11-16 12:58:11,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-11-16 12:58:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4456481135599553) internal successors, (3870), 2713 states have internal predecessors, (3870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:11,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3870 transitions. [2022-11-16 12:58:11,361 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3870 transitions. Word has length 130 [2022-11-16 12:58:11,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:58:11,362 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3870 transitions. [2022-11-16 12:58:11,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:11,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3870 transitions. [2022-11-16 12:58:11,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:58:11,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:58:11,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:58:11,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-11-16 12:58:11,365 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:58:11,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:58:11,365 INFO L85 PathProgramCache]: Analyzing trace with hash 470944425, now seen corresponding path program 1 times [2022-11-16 12:58:11,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:58:11,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755867527] [2022-11-16 12:58:11,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:58:11,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:58:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:58:11,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:58:11,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755867527] [2022-11-16 12:58:11,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755867527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:58:11,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:58:11,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:58:11,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967021144] [2022-11-16 12:58:11,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:58:11,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:58:11,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:58:11,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:58:11,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:58:11,622 INFO L87 Difference]: Start difference. First operand 2714 states and 3870 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:17,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:58:17,955 INFO L93 Difference]: Finished difference Result 4410 states and 6218 transitions. [2022-11-16 12:58:17,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:58:17,955 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:58:17,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:58:17,959 INFO L225 Difference]: With dead ends: 4410 [2022-11-16 12:58:17,959 INFO L226 Difference]: Without dead ends: 4222 [2022-11-16 12:58:17,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:58:17,961 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 7231 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 5689 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7231 SdHoareTripleChecker+Valid, 6068 SdHoareTripleChecker+Invalid, 5694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 5689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:58:17,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7231 Valid, 6068 Invalid, 5694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 5689 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 12:58:17,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-11-16 12:58:18,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-11-16 12:58:18,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.445274561075831) internal successors, (3869), 2713 states have internal predecessors, (3869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:18,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3869 transitions. [2022-11-16 12:58:18,886 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3869 transitions. Word has length 130 [2022-11-16 12:58:18,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:58:18,887 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3869 transitions. [2022-11-16 12:58:18,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3869 transitions. [2022-11-16 12:58:18,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:58:18,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:58:18,890 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:58:18,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-16 12:58:18,890 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:58:18,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:58:18,891 INFO L85 PathProgramCache]: Analyzing trace with hash -791375622, now seen corresponding path program 1 times [2022-11-16 12:58:18,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:58:18,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474562872] [2022-11-16 12:58:18,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:58:18,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:58:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:19,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:58:19,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:58:19,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474562872] [2022-11-16 12:58:19,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474562872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:58:19,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:58:19,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:58:19,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273984658] [2022-11-16 12:58:19,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:58:19,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:58:19,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:58:19,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:58:19,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:58:19,166 INFO L87 Difference]: Start difference. First operand 2714 states and 3869 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:26,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:58:26,059 INFO L93 Difference]: Finished difference Result 4765 states and 6825 transitions. [2022-11-16 12:58:26,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:58:26,059 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:58:26,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:58:26,064 INFO L225 Difference]: With dead ends: 4765 [2022-11-16 12:58:26,064 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:58:26,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:58:26,066 INFO L413 NwaCegarLoop]: 2020 mSDtfsCounter, 6037 mSDsluCounter, 6593 mSDsCounter, 0 mSdLazyCounter, 7175 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6037 SdHoareTripleChecker+Valid, 8613 SdHoareTripleChecker+Invalid, 7180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:58:26,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6037 Valid, 8613 Invalid, 7180 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7175 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-16 12:58:26,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 12:58:27,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-11-16 12:58:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4449010085917071) internal successors, (3868), 2713 states have internal predecessors, (3868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:27,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3868 transitions. [2022-11-16 12:58:27,050 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3868 transitions. Word has length 130 [2022-11-16 12:58:27,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:58:27,051 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3868 transitions. [2022-11-16 12:58:27,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3868 transitions. [2022-11-16 12:58:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:58:27,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:58:27,053 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:58:27,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-11-16 12:58:27,054 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:58:27,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:58:27,054 INFO L85 PathProgramCache]: Analyzing trace with hash -598738012, now seen corresponding path program 1 times [2022-11-16 12:58:27,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:58:27,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441644063] [2022-11-16 12:58:27,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:58:27,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:58:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:27,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:58:27,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:58:27,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441644063] [2022-11-16 12:58:27,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441644063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:58:27,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:58:27,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:58:27,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120777721] [2022-11-16 12:58:27,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:58:27,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:58:27,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:58:27,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:58:27,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:58:27,429 INFO L87 Difference]: Start difference. First operand 2714 states and 3868 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:33,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:58:33,689 INFO L93 Difference]: Finished difference Result 4412 states and 6218 transitions. [2022-11-16 12:58:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:58:33,689 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:58:33,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:58:33,693 INFO L225 Difference]: With dead ends: 4412 [2022-11-16 12:58:33,693 INFO L226 Difference]: Without dead ends: 4222 [2022-11-16 12:58:33,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:58:33,694 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 10679 mSDsluCounter, 4417 mSDsCounter, 0 mSdLazyCounter, 5459 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10679 SdHoareTripleChecker+Valid, 5848 SdHoareTripleChecker+Invalid, 5465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:58:33,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10679 Valid, 5848 Invalid, 5465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5459 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:58:33,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-11-16 12:58:34,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-11-16 12:58:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4441539036234592) internal successors, (3866), 2713 states have internal predecessors, (3866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:34,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3866 transitions. [2022-11-16 12:58:34,636 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3866 transitions. Word has length 130 [2022-11-16 12:58:34,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:58:34,636 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3866 transitions. [2022-11-16 12:58:34,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3866 transitions. [2022-11-16 12:58:34,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:58:34,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:58:34,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:58:34,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-16 12:58:34,638 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:58:34,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:58:34,639 INFO L85 PathProgramCache]: Analyzing trace with hash 2018237894, now seen corresponding path program 1 times [2022-11-16 12:58:34,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:58:34,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044969861] [2022-11-16 12:58:34,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:58:34,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:58:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:58:35,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:58:35,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044969861] [2022-11-16 12:58:35,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044969861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:58:35,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:58:35,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:58:35,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217182909] [2022-11-16 12:58:35,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:58:35,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:58:35,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:58:35,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:58:35,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:58:35,087 INFO L87 Difference]: Start difference. First operand 2714 states and 3866 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:42,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:58:42,524 INFO L93 Difference]: Finished difference Result 4710 states and 6734 transitions. [2022-11-16 12:58:42,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:58:42,525 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:58:42,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:58:42,528 INFO L225 Difference]: With dead ends: 4710 [2022-11-16 12:58:42,528 INFO L226 Difference]: Without dead ends: 4490 [2022-11-16 12:58:42,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:58:42,530 INFO L413 NwaCegarLoop]: 1723 mSDtfsCounter, 11589 mSDsluCounter, 7300 mSDsCounter, 0 mSdLazyCounter, 7510 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11589 SdHoareTripleChecker+Valid, 9023 SdHoareTripleChecker+Invalid, 7517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:58:42,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11589 Valid, 9023 Invalid, 7517 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 7510 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-16 12:58:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2022-11-16 12:58:43,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 2714. [2022-11-16 12:58:43,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.443406798655211) internal successors, (3864), 2713 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:43,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3864 transitions. [2022-11-16 12:58:43,567 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3864 transitions. Word has length 130 [2022-11-16 12:58:43,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:58:43,568 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3864 transitions. [2022-11-16 12:58:43,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:43,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3864 transitions. [2022-11-16 12:58:43,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:58:43,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:58:43,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:58:43,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-16 12:58:43,570 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:58:43,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:58:43,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1829690695, now seen corresponding path program 1 times [2022-11-16 12:58:43,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:58:43,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334224772] [2022-11-16 12:58:43,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:58:43,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:58:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:43,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:58:43,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:58:43,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334224772] [2022-11-16 12:58:43,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334224772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:58:43,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:58:43,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:58:43,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153141440] [2022-11-16 12:58:43,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:58:43,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:58:43,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:58:43,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:58:43,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:58:43,927 INFO L87 Difference]: Start difference. First operand 2714 states and 3864 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:51,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:58:51,670 INFO L93 Difference]: Finished difference Result 4798 states and 6872 transitions. [2022-11-16 12:58:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:58:51,670 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:58:51,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:58:51,675 INFO L225 Difference]: With dead ends: 4798 [2022-11-16 12:58:51,675 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:58:51,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:58:51,676 INFO L413 NwaCegarLoop]: 1961 mSDtfsCounter, 11201 mSDsluCounter, 8089 mSDsCounter, 0 mSdLazyCounter, 8269 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11201 SdHoareTripleChecker+Valid, 10050 SdHoareTripleChecker+Invalid, 8276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:58:51,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11201 Valid, 10050 Invalid, 8276 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8269 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-16 12:58:51,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 12:58:52,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-11-16 12:58:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4426596936869631) internal successors, (3862), 2713 states have internal predecessors, (3862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:52,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3862 transitions. [2022-11-16 12:58:52,696 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3862 transitions. Word has length 130 [2022-11-16 12:58:52,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:58:52,696 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3862 transitions. [2022-11-16 12:58:52,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3862 transitions. [2022-11-16 12:58:52,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:58:52,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:58:52,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:58:52,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-11-16 12:58:52,699 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:58:52,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:58:52,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1871298434, now seen corresponding path program 1 times [2022-11-16 12:58:52,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:58:52,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301897331] [2022-11-16 12:58:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:58:52,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:58:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:58:52,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:58:52,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301897331] [2022-11-16 12:58:52,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301897331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:58:52,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:58:52,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:58:52,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193308536] [2022-11-16 12:58:52,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:58:52,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:58:52,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:58:52,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:58:52,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:58:52,982 INFO L87 Difference]: Start difference. First operand 2714 states and 3862 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:58:59,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:58:59,975 INFO L93 Difference]: Finished difference Result 4814 states and 6881 transitions. [2022-11-16 12:58:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:58:59,975 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:58:59,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:58:59,979 INFO L225 Difference]: With dead ends: 4814 [2022-11-16 12:58:59,979 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:58:59,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:58:59,980 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 9021 mSDsluCounter, 6472 mSDsCounter, 0 mSdLazyCounter, 7048 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9021 SdHoareTripleChecker+Valid, 8509 SdHoareTripleChecker+Invalid, 7055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:58:59,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9021 Valid, 8509 Invalid, 7055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 7048 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-16 12:58:59,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 12:59:00,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-11-16 12:59:00,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.441912588718715) internal successors, (3860), 2713 states have internal predecessors, (3860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:00,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3860 transitions. [2022-11-16 12:59:00,993 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3860 transitions. Word has length 130 [2022-11-16 12:59:00,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:59:00,994 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3860 transitions. [2022-11-16 12:59:00,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:00,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3860 transitions. [2022-11-16 12:59:00,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:59:00,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:59:00,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:59:00,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-11-16 12:59:00,997 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:59:00,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:59:00,997 INFO L85 PathProgramCache]: Analyzing trace with hash 667109008, now seen corresponding path program 1 times [2022-11-16 12:59:00,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:59:00,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725009662] [2022-11-16 12:59:00,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:59:00,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:59:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:59:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:59:01,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:59:01,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725009662] [2022-11-16 12:59:01,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725009662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:59:01,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:59:01,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:59:01,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625892260] [2022-11-16 12:59:01,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:59:01,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:59:01,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:59:01,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:59:01,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:59:01,375 INFO L87 Difference]: Start difference. First operand 2714 states and 3860 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:08,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:59:08,002 INFO L93 Difference]: Finished difference Result 4412 states and 6208 transitions. [2022-11-16 12:59:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:59:08,003 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:59:08,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:59:08,007 INFO L225 Difference]: With dead ends: 4412 [2022-11-16 12:59:08,008 INFO L226 Difference]: Without dead ends: 4222 [2022-11-16 12:59:08,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:59:08,009 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 7337 mSDsluCounter, 4417 mSDsCounter, 0 mSdLazyCounter, 5445 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7337 SdHoareTripleChecker+Valid, 5848 SdHoareTripleChecker+Invalid, 5451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:59:08,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7337 Valid, 5848 Invalid, 5451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5445 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:59:08,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-11-16 12:59:09,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-11-16 12:59:09,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.441165483750467) internal successors, (3858), 2713 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3858 transitions. [2022-11-16 12:59:09,076 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3858 transitions. Word has length 130 [2022-11-16 12:59:09,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:59:09,076 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3858 transitions. [2022-11-16 12:59:09,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:09,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3858 transitions. [2022-11-16 12:59:09,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:59:09,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:59:09,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:59:09,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-11-16 12:59:09,079 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:59:09,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:59:09,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1672889582, now seen corresponding path program 1 times [2022-11-16 12:59:09,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:59:09,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059144727] [2022-11-16 12:59:09,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:59:09,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:59:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:59:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:59:09,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:59:09,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059144727] [2022-11-16 12:59:09,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059144727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:59:09,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:59:09,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:59:09,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490955123] [2022-11-16 12:59:09,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:59:09,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:59:09,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:59:09,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:59:09,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:59:09,532 INFO L87 Difference]: Start difference. First operand 2714 states and 3858 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:17,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:59:17,412 INFO L93 Difference]: Finished difference Result 4808 states and 6873 transitions. [2022-11-16 12:59:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:59:17,413 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:59:17,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:59:17,416 INFO L225 Difference]: With dead ends: 4808 [2022-11-16 12:59:17,417 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:59:17,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:59:17,418 INFO L413 NwaCegarLoop]: 2020 mSDtfsCounter, 11095 mSDsluCounter, 8257 mSDsCounter, 0 mSdLazyCounter, 8447 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11095 SdHoareTripleChecker+Valid, 10277 SdHoareTripleChecker+Invalid, 8453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:59:17,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11095 Valid, 10277 Invalid, 8453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 8447 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-16 12:59:17,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 12:59:18,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-11-16 12:59:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.440418378782219) internal successors, (3856), 2713 states have internal predecessors, (3856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:18,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3856 transitions. [2022-11-16 12:59:18,444 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3856 transitions. Word has length 130 [2022-11-16 12:59:18,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:59:18,444 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3856 transitions. [2022-11-16 12:59:18,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:18,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3856 transitions. [2022-11-16 12:59:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:59:18,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:59:18,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:59:18,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-11-16 12:59:18,447 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:59:18,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:59:18,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1179219811, now seen corresponding path program 1 times [2022-11-16 12:59:18,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:59:18,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835593875] [2022-11-16 12:59:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:59:18,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:59:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:59:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:59:18,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:59:18,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835593875] [2022-11-16 12:59:18,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835593875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:59:18,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:59:18,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:59:18,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058308221] [2022-11-16 12:59:18,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:59:18,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:59:18,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:59:18,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:59:18,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:59:18,710 INFO L87 Difference]: Start difference. First operand 2714 states and 3856 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:25,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:59:25,883 INFO L93 Difference]: Finished difference Result 4830 states and 6898 transitions. [2022-11-16 12:59:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:59:25,884 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:59:25,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:59:25,888 INFO L225 Difference]: With dead ends: 4830 [2022-11-16 12:59:25,888 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:59:25,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:59:25,890 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 6019 mSDsluCounter, 6458 mSDsCounter, 0 mSdLazyCounter, 7037 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6019 SdHoareTripleChecker+Valid, 8495 SdHoareTripleChecker+Invalid, 7043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:59:25,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6019 Valid, 8495 Invalid, 7043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 7037 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-16 12:59:25,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 12:59:26,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-11-16 12:59:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4396712738139708) internal successors, (3854), 2713 states have internal predecessors, (3854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3854 transitions. [2022-11-16 12:59:26,990 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3854 transitions. Word has length 130 [2022-11-16 12:59:26,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:59:26,990 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3854 transitions. [2022-11-16 12:59:26,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3854 transitions. [2022-11-16 12:59:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:59:26,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:59:26,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:59:26,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-11-16 12:59:26,993 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:59:26,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:59:26,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1360075373, now seen corresponding path program 1 times [2022-11-16 12:59:26,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:59:26,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171712073] [2022-11-16 12:59:26,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:59:26,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:59:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:59:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:59:27,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:59:27,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171712073] [2022-11-16 12:59:27,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171712073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:59:27,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:59:27,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:59:27,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133217595] [2022-11-16 12:59:27,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:59:27,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:59:27,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:59:27,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:59:27,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:59:27,246 INFO L87 Difference]: Start difference. First operand 2714 states and 3854 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:33,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:59:33,753 INFO L93 Difference]: Finished difference Result 4412 states and 6200 transitions. [2022-11-16 12:59:33,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:59:33,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:59:33,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:59:33,757 INFO L225 Difference]: With dead ends: 4412 [2022-11-16 12:59:33,757 INFO L226 Difference]: Without dead ends: 4222 [2022-11-16 12:59:33,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:59:33,758 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 7330 mSDsluCounter, 4413 mSDsCounter, 0 mSdLazyCounter, 5439 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7330 SdHoareTripleChecker+Valid, 5843 SdHoareTripleChecker+Invalid, 5445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:59:33,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7330 Valid, 5843 Invalid, 5445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5439 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:59:33,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-11-16 12:59:34,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-11-16 12:59:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4389241688457228) internal successors, (3852), 2713 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:34,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3852 transitions. [2022-11-16 12:59:34,847 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3852 transitions. Word has length 130 [2022-11-16 12:59:34,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:59:34,847 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3852 transitions. [2022-11-16 12:59:34,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3852 transitions. [2022-11-16 12:59:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:59:34,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:59:34,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:59:34,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-11-16 12:59:34,851 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:59:34,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:59:34,851 INFO L85 PathProgramCache]: Analyzing trace with hash -256707036, now seen corresponding path program 1 times [2022-11-16 12:59:34,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:59:34,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127759616] [2022-11-16 12:59:34,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:59:34,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:59:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:59:35,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:59:35,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:59:35,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127759616] [2022-11-16 12:59:35,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127759616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:59:35,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:59:35,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:59:35,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469980009] [2022-11-16 12:59:35,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:59:35,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:59:35,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:59:35,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:59:35,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:59:35,139 INFO L87 Difference]: Start difference. First operand 2714 states and 3852 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:41,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:59:41,657 INFO L93 Difference]: Finished difference Result 4416 states and 6201 transitions. [2022-11-16 12:59:41,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:59:41,658 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:59:41,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:59:41,662 INFO L225 Difference]: With dead ends: 4416 [2022-11-16 12:59:41,662 INFO L226 Difference]: Without dead ends: 4222 [2022-11-16 12:59:41,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:59:41,663 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 10649 mSDsluCounter, 4413 mSDsCounter, 0 mSdLazyCounter, 5429 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10649 SdHoareTripleChecker+Valid, 5844 SdHoareTripleChecker+Invalid, 5436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:59:41,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10649 Valid, 5844 Invalid, 5436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5429 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:59:41,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-11-16 12:59:42,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-11-16 12:59:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4381770638774747) internal successors, (3850), 2713 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:42,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3850 transitions. [2022-11-16 12:59:42,745 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3850 transitions. Word has length 130 [2022-11-16 12:59:42,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:59:42,745 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3850 transitions. [2022-11-16 12:59:42,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3850 transitions. [2022-11-16 12:59:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:59:42,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:59:42,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:59:42,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-11-16 12:59:42,748 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:59:42,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:59:42,748 INFO L85 PathProgramCache]: Analyzing trace with hash -449558476, now seen corresponding path program 1 times [2022-11-16 12:59:42,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:59:42,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136640562] [2022-11-16 12:59:42,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:59:42,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:59:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:59:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:59:43,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:59:43,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136640562] [2022-11-16 12:59:43,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136640562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:59:43,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:59:43,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:59:43,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117370163] [2022-11-16 12:59:43,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:59:43,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:59:43,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:59:43,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:59:43,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:59:43,049 INFO L87 Difference]: Start difference. First operand 2714 states and 3850 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:50,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:59:50,413 INFO L93 Difference]: Finished difference Result 4724 states and 6731 transitions. [2022-11-16 12:59:50,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:59:50,414 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:59:50,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:59:50,417 INFO L225 Difference]: With dead ends: 4724 [2022-11-16 12:59:50,417 INFO L226 Difference]: Without dead ends: 4490 [2022-11-16 12:59:50,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:59:50,419 INFO L413 NwaCegarLoop]: 1885 mSDtfsCounter, 8811 mSDsluCounter, 6978 mSDsCounter, 0 mSdLazyCounter, 7341 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8811 SdHoareTripleChecker+Valid, 8863 SdHoareTripleChecker+Invalid, 7347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:59:50,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8811 Valid, 8863 Invalid, 7347 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 7341 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-16 12:59:50,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2022-11-16 12:59:51,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 2714. [2022-11-16 12:59:51,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4374299589092268) internal successors, (3848), 2713 states have internal predecessors, (3848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3848 transitions. [2022-11-16 12:59:51,515 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3848 transitions. Word has length 130 [2022-11-16 12:59:51,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:59:51,515 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3848 transitions. [2022-11-16 12:59:51,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3848 transitions. [2022-11-16 12:59:51,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 12:59:51,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:59:51,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:59:51,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-11-16 12:59:51,518 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 12:59:51,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:59:51,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1747448514, now seen corresponding path program 1 times [2022-11-16 12:59:51,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:59:51,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764051244] [2022-11-16 12:59:51,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:59:51,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:59:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:59:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:59:51,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:59:51,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764051244] [2022-11-16 12:59:51,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764051244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:59:51,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:59:51,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:59:51,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616170218] [2022-11-16 12:59:51,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:59:51,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:59:51,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:59:51,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:59:51,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:59:51,819 INFO L87 Difference]: Start difference. First operand 2714 states and 3848 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:59:59,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:59:59,820 INFO L93 Difference]: Finished difference Result 4830 states and 6888 transitions. [2022-11-16 12:59:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:59:59,820 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 12:59:59,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:59:59,824 INFO L225 Difference]: With dead ends: 4830 [2022-11-16 12:59:59,824 INFO L226 Difference]: Without dead ends: 4530 [2022-11-16 12:59:59,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:59:59,825 INFO L413 NwaCegarLoop]: 1961 mSDtfsCounter, 11208 mSDsluCounter, 8062 mSDsCounter, 0 mSdLazyCounter, 8209 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11208 SdHoareTripleChecker+Valid, 10023 SdHoareTripleChecker+Invalid, 8216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:59:59,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11208 Valid, 10023 Invalid, 8216 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8209 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-16 12:59:59,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-11-16 13:00:00,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-11-16 13:00:00,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4366828539409786) internal successors, (3846), 2713 states have internal predecessors, (3846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:00,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3846 transitions. [2022-11-16 13:00:00,914 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3846 transitions. Word has length 130 [2022-11-16 13:00:00,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:00:00,915 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3846 transitions. [2022-11-16 13:00:00,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:00,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3846 transitions. [2022-11-16 13:00:00,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 13:00:00,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:00:00,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:00:00,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-11-16 13:00:00,917 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:00:00,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:00:00,918 INFO L85 PathProgramCache]: Analyzing trace with hash 800849747, now seen corresponding path program 1 times [2022-11-16 13:00:00,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:00:00,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941269429] [2022-11-16 13:00:00,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:00:00,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:00:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:00:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:00:01,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:00:01,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941269429] [2022-11-16 13:00:01,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941269429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:00:01,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:00:01,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:00:01,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405867643] [2022-11-16 13:00:01,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:00:01,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:00:01,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:00:01,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:00:01,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:00:01,180 INFO L87 Difference]: Start difference. First operand 2714 states and 3846 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:07,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:00:07,629 INFO L93 Difference]: Finished difference Result 4416 states and 6193 transitions. [2022-11-16 13:00:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:00:07,629 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 13:00:07,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:00:07,632 INFO L225 Difference]: With dead ends: 4416 [2022-11-16 13:00:07,632 INFO L226 Difference]: Without dead ends: 4222 [2022-11-16 13:00:07,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:00:07,633 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 7313 mSDsluCounter, 4416 mSDsCounter, 0 mSdLazyCounter, 5416 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7313 SdHoareTripleChecker+Valid, 5847 SdHoareTripleChecker+Invalid, 5422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 13:00:07,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7313 Valid, 5847 Invalid, 5422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5416 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 13:00:07,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-11-16 13:00:08,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-11-16 13:00:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4359357489727307) internal successors, (3844), 2713 states have internal predecessors, (3844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:08,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3844 transitions. [2022-11-16 13:00:08,750 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3844 transitions. Word has length 130 [2022-11-16 13:00:08,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:00:08,750 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3844 transitions. [2022-11-16 13:00:08,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:08,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3844 transitions. [2022-11-16 13:00:08,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 13:00:08,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:00:08,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:00:08,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-11-16 13:00:08,753 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:00:08,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:00:08,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1581920447, now seen corresponding path program 1 times [2022-11-16 13:00:08,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:00:08,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638924846] [2022-11-16 13:00:08,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:00:08,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:00:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:00:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:00:09,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:00:09,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638924846] [2022-11-16 13:00:09,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638924846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:00:09,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:00:09,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 13:00:09,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91930626] [2022-11-16 13:00:09,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:00:09,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 13:00:09,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:00:09,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 13:00:09,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-16 13:00:09,187 INFO L87 Difference]: Start difference. First operand 2714 states and 3844 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:21,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:00:21,636 INFO L93 Difference]: Finished difference Result 6776 states and 9723 transitions. [2022-11-16 13:00:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 13:00:21,636 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-11-16 13:00:21,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:00:21,642 INFO L225 Difference]: With dead ends: 6776 [2022-11-16 13:00:21,642 INFO L226 Difference]: Without dead ends: 6336 [2022-11-16 13:00:21,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-16 13:00:21,644 INFO L413 NwaCegarLoop]: 2449 mSDtfsCounter, 19063 mSDsluCounter, 8197 mSDsCounter, 0 mSdLazyCounter, 8750 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19063 SdHoareTripleChecker+Valid, 10646 SdHoareTripleChecker+Invalid, 9206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 8750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-16 13:00:21,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19063 Valid, 10646 Invalid, 9206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [456 Valid, 8750 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-16 13:00:21,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6336 states. [2022-11-16 13:00:22,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6336 to 2722. [2022-11-16 13:00:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.43463687150838) internal successors, (3852), 2721 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3852 transitions. [2022-11-16 13:00:22,876 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3852 transitions. Word has length 130 [2022-11-16 13:00:22,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:00:22,876 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3852 transitions. [2022-11-16 13:00:22,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:22,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3852 transitions. [2022-11-16 13:00:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-16 13:00:22,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:00:22,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:00:22,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-11-16 13:00:22,879 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:00:22,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:00:22,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1638067966, now seen corresponding path program 1 times [2022-11-16 13:00:22,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:00:22,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701792999] [2022-11-16 13:00:22,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:00:22,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:00:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:00:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:00:23,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:00:23,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701792999] [2022-11-16 13:00:23,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701792999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:00:23,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:00:23,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:00:23,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146794200] [2022-11-16 13:00:23,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:00:23,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:00:23,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:00:23,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:00:23,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:00:23,181 INFO L87 Difference]: Start difference. First operand 2722 states and 3852 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:31,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:00:31,321 INFO L93 Difference]: Finished difference Result 4696 states and 6682 transitions. [2022-11-16 13:00:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:00:31,322 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-11-16 13:00:31,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:00:31,325 INFO L225 Difference]: With dead ends: 4696 [2022-11-16 13:00:31,325 INFO L226 Difference]: Without dead ends: 4498 [2022-11-16 13:00:31,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:00:31,326 INFO L413 NwaCegarLoop]: 1925 mSDtfsCounter, 11200 mSDsluCounter, 7923 mSDsCounter, 0 mSdLazyCounter, 8115 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11200 SdHoareTripleChecker+Valid, 9848 SdHoareTripleChecker+Invalid, 8122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-16 13:00:31,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11200 Valid, 9848 Invalid, 8122 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8115 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-16 13:00:31,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4498 states. [2022-11-16 13:00:32,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4498 to 2722. [2022-11-16 13:00:32,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4342644320297953) internal successors, (3851), 2721 states have internal predecessors, (3851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:32,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3851 transitions. [2022-11-16 13:00:32,505 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3851 transitions. Word has length 131 [2022-11-16 13:00:32,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:00:32,505 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3851 transitions. [2022-11-16 13:00:32,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:32,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3851 transitions. [2022-11-16 13:00:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-16 13:00:32,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:00:32,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:00:32,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-11-16 13:00:32,508 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:00:32,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:00:32,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1430881603, now seen corresponding path program 1 times [2022-11-16 13:00:32,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:00:32,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346963155] [2022-11-16 13:00:32,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:00:32,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:00:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:00:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:00:33,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:00:33,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346963155] [2022-11-16 13:00:33,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346963155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:00:33,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:00:33,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 13:00:33,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646042956] [2022-11-16 13:00:33,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:00:33,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 13:00:33,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:00:33,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 13:00:33,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-16 13:00:33,051 INFO L87 Difference]: Start difference. First operand 2722 states and 3851 transitions. Second operand has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 12 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:00:47,224 INFO L93 Difference]: Finished difference Result 6415 states and 9144 transitions. [2022-11-16 13:00:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 13:00:47,224 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 12 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-11-16 13:00:47,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:00:47,230 INFO L225 Difference]: With dead ends: 6415 [2022-11-16 13:00:47,230 INFO L226 Difference]: Without dead ends: 6188 [2022-11-16 13:00:47,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=265, Invalid=925, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 13:00:47,231 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 11849 mSDsluCounter, 16481 mSDsCounter, 0 mSdLazyCounter, 16132 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11849 SdHoareTripleChecker+Valid, 19094 SdHoareTripleChecker+Invalid, 16147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 16132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-16 13:00:47,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11849 Valid, 19094 Invalid, 16147 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 16132 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-16 13:00:47,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6188 states. [2022-11-16 13:00:48,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6188 to 2718. [2022-11-16 13:00:48,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.4345393509884372) internal successors, (3846), 2717 states have internal predecessors, (3846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:48,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3846 transitions. [2022-11-16 13:00:48,492 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3846 transitions. Word has length 131 [2022-11-16 13:00:48,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:00:48,492 INFO L495 AbstractCegarLoop]: Abstraction has 2718 states and 3846 transitions. [2022-11-16 13:00:48,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 12 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3846 transitions. [2022-11-16 13:00:48,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-16 13:00:48,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:00:48,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:00:48,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-11-16 13:00:48,495 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:00:48,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:00:48,495 INFO L85 PathProgramCache]: Analyzing trace with hash 632529032, now seen corresponding path program 1 times [2022-11-16 13:00:48,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:00:48,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018083705] [2022-11-16 13:00:48,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:00:48,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:00:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:00:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:00:48,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:00:48,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018083705] [2022-11-16 13:00:48,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018083705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:00:48,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:00:48,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:00:48,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206199029] [2022-11-16 13:00:48,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:00:48,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:00:48,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:00:48,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:00:48,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:00:48,803 INFO L87 Difference]: Start difference. First operand 2718 states and 3846 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:57,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:00:57,125 INFO L93 Difference]: Finished difference Result 4773 states and 6798 transitions. [2022-11-16 13:00:57,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:00:57,126 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-11-16 13:00:57,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:00:57,129 INFO L225 Difference]: With dead ends: 4773 [2022-11-16 13:00:57,129 INFO L226 Difference]: Without dead ends: 4538 [2022-11-16 13:00:57,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:00:57,130 INFO L413 NwaCegarLoop]: 2111 mSDtfsCounter, 10898 mSDsluCounter, 8362 mSDsCounter, 0 mSdLazyCounter, 8568 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10898 SdHoareTripleChecker+Valid, 10473 SdHoareTripleChecker+Invalid, 8575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-16 13:00:57,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10898 Valid, 10473 Invalid, 8575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8568 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-16 13:00:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2022-11-16 13:00:58,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 2714. [2022-11-16 13:00:58,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4348150915203586) internal successors, (3841), 2713 states have internal predecessors, (3841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3841 transitions. [2022-11-16 13:00:58,368 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3841 transitions. Word has length 131 [2022-11-16 13:00:58,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:00:58,368 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3841 transitions. [2022-11-16 13:00:58,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:00:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3841 transitions. [2022-11-16 13:00:58,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-16 13:00:58,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:00:58,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:00:58,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-11-16 13:00:58,371 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:00:58,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:00:58,371 INFO L85 PathProgramCache]: Analyzing trace with hash -228929686, now seen corresponding path program 1 times [2022-11-16 13:00:58,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:00:58,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105037554] [2022-11-16 13:00:58,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:00:58,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:00:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:00:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:00:58,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:00:58,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105037554] [2022-11-16 13:00:58,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105037554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:00:58,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:00:58,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:00:58,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750556805] [2022-11-16 13:00:58,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:00:58,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:00:58,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:00:58,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:00:58,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:00:58,616 INFO L87 Difference]: Start difference. First operand 2714 states and 3841 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:01:05,562 INFO L93 Difference]: Finished difference Result 4586 states and 6484 transitions. [2022-11-16 13:01:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:01:05,563 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-11-16 13:01:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:01:05,567 INFO L225 Difference]: With dead ends: 4586 [2022-11-16 13:01:05,567 INFO L226 Difference]: Without dead ends: 4394 [2022-11-16 13:01:05,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:01:05,568 INFO L413 NwaCegarLoop]: 1524 mSDtfsCounter, 6945 mSDsluCounter, 4967 mSDsCounter, 0 mSdLazyCounter, 5574 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6945 SdHoareTripleChecker+Valid, 6491 SdHoareTripleChecker+Invalid, 5580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 13:01:05,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6945 Valid, 6491 Invalid, 5580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5574 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 13:01:05,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2022-11-16 13:01:06,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 2714. [2022-11-16 13:01:06,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4344415390362346) internal successors, (3840), 2713 states have internal predecessors, (3840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3840 transitions. [2022-11-16 13:01:06,866 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3840 transitions. Word has length 131 [2022-11-16 13:01:06,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:01:06,867 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3840 transitions. [2022-11-16 13:01:06,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:06,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3840 transitions. [2022-11-16 13:01:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-16 13:01:06,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:01:06,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:01:06,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-11-16 13:01:06,870 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:01:06,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:01:06,871 INFO L85 PathProgramCache]: Analyzing trace with hash 744368343, now seen corresponding path program 1 times [2022-11-16 13:01:06,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:01:06,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382942390] [2022-11-16 13:01:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:01:06,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:01:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:01:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:01:07,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:01:07,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382942390] [2022-11-16 13:01:07,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382942390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:01:07,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:01:07,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:01:07,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204342598] [2022-11-16 13:01:07,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:01:07,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:01:07,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:01:07,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:01:07,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:01:07,287 INFO L87 Difference]: Start difference. First operand 2714 states and 3840 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:15,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:01:15,945 INFO L93 Difference]: Finished difference Result 4765 states and 6788 transitions. [2022-11-16 13:01:15,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:01:15,945 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-11-16 13:01:15,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:01:15,949 INFO L225 Difference]: With dead ends: 4765 [2022-11-16 13:01:15,949 INFO L226 Difference]: Without dead ends: 4538 [2022-11-16 13:01:15,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:01:15,950 INFO L413 NwaCegarLoop]: 2047 mSDtfsCounter, 10999 mSDsluCounter, 8346 mSDsCounter, 0 mSdLazyCounter, 8430 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10999 SdHoareTripleChecker+Valid, 10393 SdHoareTripleChecker+Invalid, 8437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-16 13:01:15,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10999 Valid, 10393 Invalid, 8437 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8430 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-16 13:01:15,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2022-11-16 13:01:17,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 2714. [2022-11-16 13:01:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4340679865521107) internal successors, (3839), 2713 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3839 transitions. [2022-11-16 13:01:17,614 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3839 transitions. Word has length 131 [2022-11-16 13:01:17,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:01:17,614 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3839 transitions. [2022-11-16 13:01:17,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3839 transitions. [2022-11-16 13:01:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-16 13:01:17,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:01:17,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:01:17,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-11-16 13:01:17,618 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:01:17,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:01:17,618 INFO L85 PathProgramCache]: Analyzing trace with hash -780054745, now seen corresponding path program 1 times [2022-11-16 13:01:17,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:01:17,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533760906] [2022-11-16 13:01:17,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:01:17,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:01:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:01:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:01:17,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:01:17,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533760906] [2022-11-16 13:01:17,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533760906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:01:17,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:01:17,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:01:17,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796660064] [2022-11-16 13:01:17,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:01:17,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:01:17,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:01:17,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:01:17,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:01:17,926 INFO L87 Difference]: Start difference. First operand 2714 states and 3839 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:25,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:01:25,958 INFO L93 Difference]: Finished difference Result 4994 states and 7100 transitions. [2022-11-16 13:01:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:01:25,958 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-11-16 13:01:25,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:01:25,961 INFO L225 Difference]: With dead ends: 4994 [2022-11-16 13:01:25,962 INFO L226 Difference]: Without dead ends: 4554 [2022-11-16 13:01:25,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:01:25,963 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 11169 mSDsluCounter, 6873 mSDsCounter, 0 mSdLazyCounter, 7425 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11169 SdHoareTripleChecker+Valid, 9118 SdHoareTripleChecker+Invalid, 7432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-16 13:01:25,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11169 Valid, 9118 Invalid, 7432 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 7425 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-16 13:01:25,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-11-16 13:01:27,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-11-16 13:01:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4346197077557137) internal successors, (3829), 2705 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3829 transitions. [2022-11-16 13:01:27,745 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3829 transitions. Word has length 131 [2022-11-16 13:01:27,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:01:27,746 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3829 transitions. [2022-11-16 13:01:27,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:27,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3829 transitions. [2022-11-16 13:01:27,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:01:27,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:01:27,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:01:27,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-11-16 13:01:27,749 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:01:27,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:01:27,750 INFO L85 PathProgramCache]: Analyzing trace with hash 637220979, now seen corresponding path program 1 times [2022-11-16 13:01:27,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:01:27,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963196541] [2022-11-16 13:01:27,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:01:27,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:01:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:01:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:01:28,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:01:28,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963196541] [2022-11-16 13:01:28,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963196541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:01:28,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:01:28,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:01:28,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677499399] [2022-11-16 13:01:28,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:01:28,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:01:28,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:01:28,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:01:28,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:01:28,132 INFO L87 Difference]: Start difference. First operand 2706 states and 3829 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:36,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:01:36,840 INFO L93 Difference]: Finished difference Result 4685 states and 6666 transitions. [2022-11-16 13:01:36,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:01:36,841 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:01:36,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:01:36,844 INFO L225 Difference]: With dead ends: 4685 [2022-11-16 13:01:36,845 INFO L226 Difference]: Without dead ends: 4482 [2022-11-16 13:01:36,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:01:36,846 INFO L413 NwaCegarLoop]: 2111 mSDtfsCounter, 10810 mSDsluCounter, 8462 mSDsCounter, 0 mSdLazyCounter, 8653 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10810 SdHoareTripleChecker+Valid, 10573 SdHoareTripleChecker+Invalid, 8659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-16 13:01:36,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10810 Valid, 10573 Invalid, 8659 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 8653 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-16 13:01:36,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2022-11-16 13:01:38,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 2706. [2022-11-16 13:01:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4342450355938554) internal successors, (3828), 2705 states have internal predecessors, (3828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:38,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3828 transitions. [2022-11-16 13:01:38,330 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3828 transitions. Word has length 132 [2022-11-16 13:01:38,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:01:38,331 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3828 transitions. [2022-11-16 13:01:38,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:38,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3828 transitions. [2022-11-16 13:01:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:01:38,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:01:38,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:01:38,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-11-16 13:01:38,334 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:01:38,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:01:38,334 INFO L85 PathProgramCache]: Analyzing trace with hash 249013587, now seen corresponding path program 1 times [2022-11-16 13:01:38,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:01:38,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147946410] [2022-11-16 13:01:38,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:01:38,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:01:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:01:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:01:38,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:01:38,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147946410] [2022-11-16 13:01:38,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147946410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:01:38,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:01:38,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:01:38,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736873426] [2022-11-16 13:01:38,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:01:38,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:01:38,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:01:38,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:01:38,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:01:38,696 INFO L87 Difference]: Start difference. First operand 2706 states and 3828 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:01:46,604 INFO L93 Difference]: Finished difference Result 4687 states and 6667 transitions. [2022-11-16 13:01:46,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:01:46,605 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:01:46,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:01:46,608 INFO L225 Difference]: With dead ends: 4687 [2022-11-16 13:01:46,609 INFO L226 Difference]: Without dead ends: 4482 [2022-11-16 13:01:46,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:01:46,610 INFO L413 NwaCegarLoop]: 2183 mSDtfsCounter, 9655 mSDsluCounter, 6949 mSDsCounter, 0 mSdLazyCounter, 7547 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9655 SdHoareTripleChecker+Valid, 9132 SdHoareTripleChecker+Invalid, 7553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-16 13:01:46,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9655 Valid, 9132 Invalid, 7553 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 7547 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-16 13:01:46,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2022-11-16 13:01:48,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 2706. [2022-11-16 13:01:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.433870363431997) internal successors, (3827), 2705 states have internal predecessors, (3827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:48,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3827 transitions. [2022-11-16 13:01:48,299 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3827 transitions. Word has length 132 [2022-11-16 13:01:48,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:01:48,299 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3827 transitions. [2022-11-16 13:01:48,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:01:48,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3827 transitions. [2022-11-16 13:01:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:01:48,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:01:48,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:01:48,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-11-16 13:01:48,302 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:01:48,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:01:48,302 INFO L85 PathProgramCache]: Analyzing trace with hash 164368133, now seen corresponding path program 1 times [2022-11-16 13:01:48,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:01:48,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509726220] [2022-11-16 13:01:48,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:01:48,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:01:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:01:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:01:48,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:01:48,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509726220] [2022-11-16 13:01:48,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509726220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:01:48,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:01:48,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 13:01:48,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452878370] [2022-11-16 13:01:48,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:01:48,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 13:01:48,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:01:48,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 13:01:48,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-16 13:01:48,801 INFO L87 Difference]: Start difference. First operand 2706 states and 3827 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:01,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:02:01,331 INFO L93 Difference]: Finished difference Result 5902 states and 8472 transitions. [2022-11-16 13:02:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 13:02:01,332 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:02:01,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:02:01,337 INFO L225 Difference]: With dead ends: 5902 [2022-11-16 13:02:01,337 INFO L226 Difference]: Without dead ends: 5699 [2022-11-16 13:02:01,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-16 13:02:01,338 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 18618 mSDsluCounter, 8224 mSDsCounter, 0 mSdLazyCounter, 8707 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18618 SdHoareTripleChecker+Valid, 10392 SdHoareTripleChecker+Invalid, 9165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 8707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-16 13:02:01,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18618 Valid, 10392 Invalid, 9165 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [458 Valid, 8707 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-11-16 13:02:01,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5699 states. [2022-11-16 13:02:02,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5699 to 2710. [2022-11-16 13:02:02,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4332210998877666) internal successors, (3831), 2709 states have internal predecessors, (3831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3831 transitions. [2022-11-16 13:02:02,895 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3831 transitions. Word has length 132 [2022-11-16 13:02:02,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:02:02,895 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3831 transitions. [2022-11-16 13:02:02,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3831 transitions. [2022-11-16 13:02:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:02:02,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:02:02,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:02:02,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-11-16 13:02:02,897 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:02:02,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:02:02,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1655577189, now seen corresponding path program 1 times [2022-11-16 13:02:02,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:02:02,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551957959] [2022-11-16 13:02:02,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:02:02,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:02:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:02:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:02:03,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:02:03,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551957959] [2022-11-16 13:02:03,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551957959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:02:03,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:02:03,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:02:03,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243670383] [2022-11-16 13:02:03,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:02:03,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:02:03,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:02:03,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:02:03,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:02:03,156 INFO L87 Difference]: Start difference. First operand 2710 states and 3831 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:10,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:02:10,305 INFO L93 Difference]: Finished difference Result 4375 states and 6123 transitions. [2022-11-16 13:02:10,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:02:10,306 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:02:10,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:02:10,309 INFO L225 Difference]: With dead ends: 4375 [2022-11-16 13:02:10,309 INFO L226 Difference]: Without dead ends: 4189 [2022-11-16 13:02:10,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:02:10,310 INFO L413 NwaCegarLoop]: 1427 mSDtfsCounter, 10557 mSDsluCounter, 4406 mSDsCounter, 0 mSdLazyCounter, 5394 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10557 SdHoareTripleChecker+Valid, 5833 SdHoareTripleChecker+Invalid, 5403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 5394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 13:02:10,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10557 Valid, 5833 Invalid, 5403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 5394 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 13:02:10,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4189 states. [2022-11-16 13:02:11,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4189 to 2716. [2022-11-16 13:02:11,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.432997387084733) internal successors, (3839), 2715 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:11,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3839 transitions. [2022-11-16 13:02:11,660 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3839 transitions. Word has length 132 [2022-11-16 13:02:11,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:02:11,660 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3839 transitions. [2022-11-16 13:02:11,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3839 transitions. [2022-11-16 13:02:11,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:02:11,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:02:11,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:02:11,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-11-16 13:02:11,662 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:02:11,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:02:11,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1347002548, now seen corresponding path program 1 times [2022-11-16 13:02:11,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:02:11,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131590226] [2022-11-16 13:02:11,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:02:11,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:02:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:02:11,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:02:11,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:02:11,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131590226] [2022-11-16 13:02:11,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131590226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:02:11,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:02:11,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:02:11,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024476612] [2022-11-16 13:02:11,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:02:11,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:02:11,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:02:11,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:02:11,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:02:11,982 INFO L87 Difference]: Start difference. First operand 2716 states and 3839 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:19,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:02:19,421 INFO L93 Difference]: Finished difference Result 4593 states and 6487 transitions. [2022-11-16 13:02:19,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:02:19,422 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:02:19,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:02:19,425 INFO L225 Difference]: With dead ends: 4593 [2022-11-16 13:02:19,425 INFO L226 Difference]: Without dead ends: 4399 [2022-11-16 13:02:19,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:02:19,426 INFO L413 NwaCegarLoop]: 1628 mSDtfsCounter, 6711 mSDsluCounter, 5187 mSDsCounter, 0 mSdLazyCounter, 5832 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6711 SdHoareTripleChecker+Valid, 6815 SdHoareTripleChecker+Invalid, 5838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 13:02:19,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6711 Valid, 6815 Invalid, 5838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5832 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 13:02:19,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-11-16 13:02:20,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2716. [2022-11-16 13:02:20,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4326241134751774) internal successors, (3838), 2715 states have internal predecessors, (3838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3838 transitions. [2022-11-16 13:02:20,927 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3838 transitions. Word has length 132 [2022-11-16 13:02:20,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:02:20,928 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3838 transitions. [2022-11-16 13:02:20,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3838 transitions. [2022-11-16 13:02:20,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:02:20,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:02:20,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:02:20,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-11-16 13:02:20,931 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:02:20,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:02:20,931 INFO L85 PathProgramCache]: Analyzing trace with hash -910026268, now seen corresponding path program 1 times [2022-11-16 13:02:20,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:02:20,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690581360] [2022-11-16 13:02:20,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:02:20,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:02:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:02:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:02:21,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:02:21,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690581360] [2022-11-16 13:02:21,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690581360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:02:21,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:02:21,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:02:21,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530343423] [2022-11-16 13:02:21,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:02:21,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:02:21,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:02:21,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:02:21,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:02:21,249 INFO L87 Difference]: Start difference. First operand 2716 states and 3838 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:28,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:02:28,543 INFO L93 Difference]: Finished difference Result 4407 states and 6171 transitions. [2022-11-16 13:02:28,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:02:28,544 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:02:28,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:02:28,547 INFO L225 Difference]: With dead ends: 4407 [2022-11-16 13:02:28,547 INFO L226 Difference]: Without dead ends: 4221 [2022-11-16 13:02:28,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:02:28,548 INFO L413 NwaCegarLoop]: 1440 mSDtfsCounter, 7260 mSDsluCounter, 4444 mSDsCounter, 0 mSdLazyCounter, 5431 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7260 SdHoareTripleChecker+Valid, 5884 SdHoareTripleChecker+Invalid, 5437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 13:02:28,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7260 Valid, 5884 Invalid, 5437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5431 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 13:02:28,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4221 states. [2022-11-16 13:02:29,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4221 to 2716. [2022-11-16 13:02:29,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4322508398656215) internal successors, (3837), 2715 states have internal predecessors, (3837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3837 transitions. [2022-11-16 13:02:29,967 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3837 transitions. Word has length 132 [2022-11-16 13:02:29,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:02:29,967 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3837 transitions. [2022-11-16 13:02:29,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:29,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3837 transitions. [2022-11-16 13:02:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:02:29,969 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:02:29,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:02:29,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-11-16 13:02:29,969 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:02:29,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:02:29,970 INFO L85 PathProgramCache]: Analyzing trace with hash 846711713, now seen corresponding path program 1 times [2022-11-16 13:02:29,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:02:29,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982129229] [2022-11-16 13:02:29,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:02:29,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:02:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:02:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:02:30,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:02:30,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982129229] [2022-11-16 13:02:30,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982129229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:02:30,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:02:30,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:02:30,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287055832] [2022-11-16 13:02:30,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:02:30,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:02:30,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:02:30,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:02:30,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:02:30,239 INFO L87 Difference]: Start difference. First operand 2716 states and 3837 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:37,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:02:37,838 INFO L93 Difference]: Finished difference Result 4597 states and 6487 transitions. [2022-11-16 13:02:37,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:02:37,838 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:02:37,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:02:37,841 INFO L225 Difference]: With dead ends: 4597 [2022-11-16 13:02:37,841 INFO L226 Difference]: Without dead ends: 4399 [2022-11-16 13:02:37,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:02:37,843 INFO L413 NwaCegarLoop]: 1640 mSDtfsCounter, 10124 mSDsluCounter, 5217 mSDsCounter, 0 mSdLazyCounter, 5815 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10124 SdHoareTripleChecker+Valid, 6857 SdHoareTripleChecker+Invalid, 5822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 13:02:37,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10124 Valid, 6857 Invalid, 5822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5815 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 13:02:37,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-11-16 13:02:39,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2716. [2022-11-16 13:02:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4318775662560657) internal successors, (3836), 2715 states have internal predecessors, (3836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3836 transitions. [2022-11-16 13:02:39,437 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3836 transitions. Word has length 132 [2022-11-16 13:02:39,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:02:39,438 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3836 transitions. [2022-11-16 13:02:39,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3836 transitions. [2022-11-16 13:02:39,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:02:39,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:02:39,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:02:39,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-11-16 13:02:39,441 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:02:39,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:02:39,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1008460440, now seen corresponding path program 1 times [2022-11-16 13:02:39,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:02:39,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592939341] [2022-11-16 13:02:39,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:02:39,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:02:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:02:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:02:39,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:02:39,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592939341] [2022-11-16 13:02:39,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592939341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:02:39,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:02:39,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:02:39,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116151713] [2022-11-16 13:02:39,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:02:39,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:02:39,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:02:39,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:02:39,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:02:39,724 INFO L87 Difference]: Start difference. First operand 2716 states and 3836 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:47,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:02:47,160 INFO L93 Difference]: Finished difference Result 4409 states and 6170 transitions. [2022-11-16 13:02:47,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:02:47,161 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:02:47,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:02:47,164 INFO L225 Difference]: With dead ends: 4409 [2022-11-16 13:02:47,164 INFO L226 Difference]: Without dead ends: 4221 [2022-11-16 13:02:47,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:02:47,165 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 10508 mSDsluCounter, 4471 mSDsCounter, 0 mSdLazyCounter, 5440 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10508 SdHoareTripleChecker+Valid, 5920 SdHoareTripleChecker+Invalid, 5447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 13:02:47,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10508 Valid, 5920 Invalid, 5447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5440 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 13:02:47,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4221 states. [2022-11-16 13:02:48,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4221 to 2716. [2022-11-16 13:02:48,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4315042926465098) internal successors, (3835), 2715 states have internal predecessors, (3835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:48,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3835 transitions. [2022-11-16 13:02:48,854 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3835 transitions. Word has length 132 [2022-11-16 13:02:48,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:02:48,855 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3835 transitions. [2022-11-16 13:02:48,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3835 transitions. [2022-11-16 13:02:48,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:02:48,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:02:48,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:02:48,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-11-16 13:02:48,858 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:02:48,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:02:48,858 INFO L85 PathProgramCache]: Analyzing trace with hash 268926026, now seen corresponding path program 1 times [2022-11-16 13:02:48,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:02:48,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581385180] [2022-11-16 13:02:48,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:02:48,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:02:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:02:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:02:49,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:02:49,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581385180] [2022-11-16 13:02:49,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581385180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:02:49,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:02:49,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:02:49,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393162186] [2022-11-16 13:02:49,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:02:49,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:02:49,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:02:49,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:02:49,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:02:49,132 INFO L87 Difference]: Start difference. First operand 2716 states and 3835 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:56,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:02:56,973 INFO L93 Difference]: Finished difference Result 4591 states and 6479 transitions. [2022-11-16 13:02:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:02:56,973 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:02:56,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:02:56,976 INFO L225 Difference]: With dead ends: 4591 [2022-11-16 13:02:56,977 INFO L226 Difference]: Without dead ends: 4399 [2022-11-16 13:02:56,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:02:56,978 INFO L413 NwaCegarLoop]: 1628 mSDtfsCounter, 10137 mSDsluCounter, 5187 mSDsCounter, 0 mSdLazyCounter, 5810 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10137 SdHoareTripleChecker+Valid, 6815 SdHoareTripleChecker+Invalid, 5817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-16 13:02:56,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10137 Valid, 6815 Invalid, 5817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5810 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-16 13:02:56,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-11-16 13:02:58,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2716. [2022-11-16 13:02:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4311310190369542) internal successors, (3834), 2715 states have internal predecessors, (3834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3834 transitions. [2022-11-16 13:02:58,495 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3834 transitions. Word has length 132 [2022-11-16 13:02:58,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:02:58,495 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3834 transitions. [2022-11-16 13:02:58,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:02:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3834 transitions. [2022-11-16 13:02:58,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:02:58,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:02:58,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:02:58,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-11-16 13:02:58,498 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:02:58,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:02:58,499 INFO L85 PathProgramCache]: Analyzing trace with hash -202875620, now seen corresponding path program 1 times [2022-11-16 13:02:58,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:02:58,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070903441] [2022-11-16 13:02:58,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:02:58,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:02:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:02:58,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:02:58,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:02:58,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070903441] [2022-11-16 13:02:58,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070903441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:02:58,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:02:58,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:02:58,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957576724] [2022-11-16 13:02:58,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:02:58,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:02:58,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:02:58,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:02:58,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:02:58,753 INFO L87 Difference]: Start difference. First operand 2716 states and 3834 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:06,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:03:06,573 INFO L93 Difference]: Finished difference Result 4407 states and 6165 transitions. [2022-11-16 13:03:06,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:03:06,574 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:03:06,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:03:06,578 INFO L225 Difference]: With dead ends: 4407 [2022-11-16 13:03:06,578 INFO L226 Difference]: Without dead ends: 4221 [2022-11-16 13:03:06,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:03:06,579 INFO L413 NwaCegarLoop]: 1512 mSDtfsCounter, 11316 mSDsluCounter, 4661 mSDsCounter, 0 mSdLazyCounter, 5678 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11316 SdHoareTripleChecker+Valid, 6173 SdHoareTripleChecker+Invalid, 5684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 13:03:06,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11316 Valid, 6173 Invalid, 5684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5678 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 13:03:06,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4221 states. [2022-11-16 13:03:08,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4221 to 2716. [2022-11-16 13:03:08,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4307577454273983) internal successors, (3833), 2715 states have internal predecessors, (3833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:08,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3833 transitions. [2022-11-16 13:03:08,562 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3833 transitions. Word has length 132 [2022-11-16 13:03:08,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:03:08,563 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3833 transitions. [2022-11-16 13:03:08,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:08,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3833 transitions. [2022-11-16 13:03:08,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:03:08,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:03:08,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:03:08,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-11-16 13:03:08,565 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:03:08,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:03:08,566 INFO L85 PathProgramCache]: Analyzing trace with hash -714535390, now seen corresponding path program 1 times [2022-11-16 13:03:08,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:03:08,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878793646] [2022-11-16 13:03:08,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:03:08,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:03:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:03:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:03:08,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:03:08,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878793646] [2022-11-16 13:03:08,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878793646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:03:08,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:03:08,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:03:08,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441126469] [2022-11-16 13:03:08,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:03:08,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:03:08,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:03:08,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:03:08,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:03:08,880 INFO L87 Difference]: Start difference. First operand 2716 states and 3833 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:16,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:03:16,629 INFO L93 Difference]: Finished difference Result 4409 states and 6165 transitions. [2022-11-16 13:03:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:03:16,629 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:03:16,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:03:16,633 INFO L225 Difference]: With dead ends: 4409 [2022-11-16 13:03:16,633 INFO L226 Difference]: Without dead ends: 4221 [2022-11-16 13:03:16,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:03:16,634 INFO L413 NwaCegarLoop]: 1530 mSDtfsCounter, 7078 mSDsluCounter, 4631 mSDsCounter, 0 mSdLazyCounter, 5633 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7078 SdHoareTripleChecker+Valid, 6161 SdHoareTripleChecker+Invalid, 5639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 13:03:16,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7078 Valid, 6161 Invalid, 5639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5633 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 13:03:16,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4221 states. [2022-11-16 13:03:18,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4221 to 2716. [2022-11-16 13:03:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4303844718178425) internal successors, (3832), 2715 states have internal predecessors, (3832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3832 transitions. [2022-11-16 13:03:18,710 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3832 transitions. Word has length 132 [2022-11-16 13:03:18,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:03:18,710 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3832 transitions. [2022-11-16 13:03:18,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3832 transitions. [2022-11-16 13:03:18,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:03:18,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:03:18,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:03:18,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-11-16 13:03:18,713 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:03:18,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:03:18,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1604772198, now seen corresponding path program 1 times [2022-11-16 13:03:18,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:03:18,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456017058] [2022-11-16 13:03:18,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:03:18,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:03:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:03:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:03:18,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:03:18,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456017058] [2022-11-16 13:03:18,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456017058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:03:18,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:03:18,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:03:18,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076256137] [2022-11-16 13:03:18,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:03:18,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:03:18,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:03:18,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:03:18,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:03:18,973 INFO L87 Difference]: Start difference. First operand 2716 states and 3832 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:26,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:03:26,668 INFO L93 Difference]: Finished difference Result 4407 states and 6161 transitions. [2022-11-16 13:03:26,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:03:26,669 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:03:26,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:03:26,672 INFO L225 Difference]: With dead ends: 4407 [2022-11-16 13:03:26,672 INFO L226 Difference]: Without dead ends: 4221 [2022-11-16 13:03:26,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:03:26,673 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 7214 mSDsluCounter, 4487 mSDsCounter, 0 mSdLazyCounter, 5436 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7214 SdHoareTripleChecker+Valid, 5940 SdHoareTripleChecker+Invalid, 5442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 13:03:26,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7214 Valid, 5940 Invalid, 5442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5436 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 13:03:26,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4221 states. [2022-11-16 13:03:28,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4221 to 2716. [2022-11-16 13:03:28,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4300111982082866) internal successors, (3831), 2715 states have internal predecessors, (3831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3831 transitions. [2022-11-16 13:03:28,415 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3831 transitions. Word has length 132 [2022-11-16 13:03:28,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:03:28,415 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3831 transitions. [2022-11-16 13:03:28,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:28,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3831 transitions. [2022-11-16 13:03:28,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:03:28,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:03:28,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:03:28,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-11-16 13:03:28,418 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:03:28,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:03:28,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1193059732, now seen corresponding path program 1 times [2022-11-16 13:03:28,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:03:28,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773189368] [2022-11-16 13:03:28,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:03:28,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:03:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:03:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:03:28,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:03:28,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773189368] [2022-11-16 13:03:28,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773189368] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:03:28,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:03:28,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:03:28,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808904368] [2022-11-16 13:03:28,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:03:28,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:03:28,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:03:28,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:03:28,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:03:28,676 INFO L87 Difference]: Start difference. First operand 2716 states and 3831 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:36,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:03:36,207 INFO L93 Difference]: Finished difference Result 4593 states and 6473 transitions. [2022-11-16 13:03:36,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:03:36,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:03:36,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:03:36,211 INFO L225 Difference]: With dead ends: 4593 [2022-11-16 13:03:36,211 INFO L226 Difference]: Without dead ends: 4399 [2022-11-16 13:03:36,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:03:36,212 INFO L413 NwaCegarLoop]: 1552 mSDtfsCounter, 6859 mSDsluCounter, 5050 mSDsCounter, 0 mSdLazyCounter, 5602 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6859 SdHoareTripleChecker+Valid, 6602 SdHoareTripleChecker+Invalid, 5608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 13:03:36,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6859 Valid, 6602 Invalid, 5608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5602 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 13:03:36,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-11-16 13:03:37,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2716. [2022-11-16 13:03:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.429637924598731) internal successors, (3830), 2715 states have internal predecessors, (3830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3830 transitions. [2022-11-16 13:03:37,923 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3830 transitions. Word has length 132 [2022-11-16 13:03:37,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:03:37,923 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3830 transitions. [2022-11-16 13:03:37,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3830 transitions. [2022-11-16 13:03:37,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:03:37,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:03:37,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:03:37,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-11-16 13:03:37,926 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:03:37,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:03:37,926 INFO L85 PathProgramCache]: Analyzing trace with hash -176204670, now seen corresponding path program 1 times [2022-11-16 13:03:37,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:03:37,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801150180] [2022-11-16 13:03:37,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:03:37,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:03:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:03:38,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:03:38,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:03:38,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801150180] [2022-11-16 13:03:38,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801150180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:03:38,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:03:38,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:03:38,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445284605] [2022-11-16 13:03:38,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:03:38,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:03:38,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:03:38,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:03:38,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:03:38,191 INFO L87 Difference]: Start difference. First operand 2716 states and 3830 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:47,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:03:47,079 INFO L93 Difference]: Finished difference Result 4702 states and 6667 transitions. [2022-11-16 13:03:47,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:03:47,079 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:03:47,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:03:47,083 INFO L225 Difference]: With dead ends: 4702 [2022-11-16 13:03:47,083 INFO L226 Difference]: Without dead ends: 4491 [2022-11-16 13:03:47,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:03:47,084 INFO L413 NwaCegarLoop]: 2103 mSDtfsCounter, 8297 mSDsluCounter, 8182 mSDsCounter, 0 mSdLazyCounter, 8355 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8297 SdHoareTripleChecker+Valid, 10285 SdHoareTripleChecker+Invalid, 8361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-16 13:03:47,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8297 Valid, 10285 Invalid, 8361 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 8355 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-16 13:03:47,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2022-11-16 13:03:48,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 2716. [2022-11-16 13:03:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.429264650989175) internal successors, (3829), 2715 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3829 transitions. [2022-11-16 13:03:48,662 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3829 transitions. Word has length 132 [2022-11-16 13:03:48,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:03:48,663 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3829 transitions. [2022-11-16 13:03:48,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3829 transitions. [2022-11-16 13:03:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:03:48,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:03:48,666 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:03:48,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-11-16 13:03:48,666 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:03:48,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:03:48,667 INFO L85 PathProgramCache]: Analyzing trace with hash -546149828, now seen corresponding path program 1 times [2022-11-16 13:03:48,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:03:48,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581506684] [2022-11-16 13:03:48,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:03:48,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:03:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:03:48,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:03:48,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:03:48,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581506684] [2022-11-16 13:03:48,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581506684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:03:48,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:03:48,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:03:48,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053724308] [2022-11-16 13:03:48,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:03:48,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:03:48,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:03:48,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:03:48,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:03:48,930 INFO L87 Difference]: Start difference. First operand 2716 states and 3829 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:56,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:03:56,481 INFO L93 Difference]: Finished difference Result 4593 states and 6471 transitions. [2022-11-16 13:03:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:03:56,481 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:03:56,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:03:56,484 INFO L225 Difference]: With dead ends: 4593 [2022-11-16 13:03:56,484 INFO L226 Difference]: Without dead ends: 4399 [2022-11-16 13:03:56,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:03:56,485 INFO L413 NwaCegarLoop]: 1571 mSDtfsCounter, 10189 mSDsluCounter, 5110 mSDsCounter, 0 mSdLazyCounter, 5642 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10189 SdHoareTripleChecker+Valid, 6681 SdHoareTripleChecker+Invalid, 5649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 13:03:56,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10189 Valid, 6681 Invalid, 5649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5642 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 13:03:56,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-11-16 13:03:58,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2716. [2022-11-16 13:03:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4288913773796192) internal successors, (3828), 2715 states have internal predecessors, (3828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3828 transitions. [2022-11-16 13:03:58,089 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3828 transitions. Word has length 132 [2022-11-16 13:03:58,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:03:58,089 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3828 transitions. [2022-11-16 13:03:58,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:03:58,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3828 transitions. [2022-11-16 13:03:58,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:03:58,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:03:58,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:03:58,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-11-16 13:03:58,091 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:03:58,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:03:58,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1920315747, now seen corresponding path program 1 times [2022-11-16 13:03:58,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:03:58,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869279344] [2022-11-16 13:03:58,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:03:58,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:03:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:03:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:03:58,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:03:58,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869279344] [2022-11-16 13:03:58,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869279344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:03:58,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:03:58,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:03:58,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802128907] [2022-11-16 13:03:58,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:03:58,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:03:58,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:03:58,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:03:58,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:03:58,440 INFO L87 Difference]: Start difference. First operand 2716 states and 3828 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:07,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:04:07,211 INFO L93 Difference]: Finished difference Result 4711 states and 6673 transitions. [2022-11-16 13:04:07,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:04:07,211 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:04:07,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:04:07,215 INFO L225 Difference]: With dead ends: 4711 [2022-11-16 13:04:07,215 INFO L226 Difference]: Without dead ends: 4491 [2022-11-16 13:04:07,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:04:07,216 INFO L413 NwaCegarLoop]: 2103 mSDtfsCounter, 8412 mSDsluCounter, 8113 mSDsCounter, 0 mSdLazyCounter, 8272 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8412 SdHoareTripleChecker+Valid, 10216 SdHoareTripleChecker+Invalid, 8279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-16 13:04:07,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8412 Valid, 10216 Invalid, 8279 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8272 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-16 13:04:07,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2022-11-16 13:04:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 2716. [2022-11-16 13:04:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4285181037700634) internal successors, (3827), 2715 states have internal predecessors, (3827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:08,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3827 transitions. [2022-11-16 13:04:08,815 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3827 transitions. Word has length 132 [2022-11-16 13:04:08,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:04:08,815 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3827 transitions. [2022-11-16 13:04:08,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3827 transitions. [2022-11-16 13:04:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:04:08,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:04:08,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:04:08,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-11-16 13:04:08,817 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:04:08,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:04:08,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1511470519, now seen corresponding path program 1 times [2022-11-16 13:04:08,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:04:08,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802553683] [2022-11-16 13:04:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:04:08,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:04:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:04:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:04:09,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:04:09,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802553683] [2022-11-16 13:04:09,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802553683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:04:09,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:04:09,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:04:09,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332548056] [2022-11-16 13:04:09,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:04:09,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:04:09,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:04:09,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:04:09,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:04:09,082 INFO L87 Difference]: Start difference. First operand 2716 states and 3827 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:16,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:04:16,981 INFO L93 Difference]: Finished difference Result 4597 states and 6473 transitions. [2022-11-16 13:04:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:04:16,982 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:04:16,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:04:16,985 INFO L225 Difference]: With dead ends: 4597 [2022-11-16 13:04:16,985 INFO L226 Difference]: Without dead ends: 4399 [2022-11-16 13:04:16,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-16 13:04:16,986 INFO L413 NwaCegarLoop]: 1597 mSDtfsCounter, 13454 mSDsluCounter, 5184 mSDsCounter, 0 mSdLazyCounter, 5696 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13454 SdHoareTripleChecker+Valid, 6781 SdHoareTripleChecker+Invalid, 5703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 13:04:16,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13454 Valid, 6781 Invalid, 5703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5696 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 13:04:16,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-11-16 13:04:18,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2716. [2022-11-16 13:04:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4281448301605077) internal successors, (3826), 2715 states have internal predecessors, (3826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:18,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3826 transitions. [2022-11-16 13:04:18,506 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3826 transitions. Word has length 132 [2022-11-16 13:04:18,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:04:18,506 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3826 transitions. [2022-11-16 13:04:18,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3826 transitions. [2022-11-16 13:04:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:04:18,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:04:18,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:04:18,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-11-16 13:04:18,508 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:04:18,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:04:18,508 INFO L85 PathProgramCache]: Analyzing trace with hash 25786769, now seen corresponding path program 1 times [2022-11-16 13:04:18,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:04:18,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362753616] [2022-11-16 13:04:18,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:04:18,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:04:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:04:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:04:18,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:04:18,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362753616] [2022-11-16 13:04:18,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362753616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:04:18,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:04:18,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:04:18,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806100515] [2022-11-16 13:04:18,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:04:18,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:04:18,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:04:18,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:04:18,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:04:18,746 INFO L87 Difference]: Start difference. First operand 2716 states and 3826 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:26,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:04:26,417 INFO L93 Difference]: Finished difference Result 4593 states and 6468 transitions. [2022-11-16 13:04:26,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:04:26,417 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:04:26,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:04:26,421 INFO L225 Difference]: With dead ends: 4593 [2022-11-16 13:04:26,421 INFO L226 Difference]: Without dead ends: 4399 [2022-11-16 13:04:26,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:04:26,421 INFO L413 NwaCegarLoop]: 1597 mSDtfsCounter, 10094 mSDsluCounter, 5188 mSDsCounter, 0 mSdLazyCounter, 5694 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10094 SdHoareTripleChecker+Valid, 6785 SdHoareTripleChecker+Invalid, 5701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 13:04:26,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10094 Valid, 6785 Invalid, 5701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5694 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 13:04:26,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-11-16 13:04:27,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2716. [2022-11-16 13:04:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.427771556550952) internal successors, (3825), 2715 states have internal predecessors, (3825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:28,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3825 transitions. [2022-11-16 13:04:28,002 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3825 transitions. Word has length 132 [2022-11-16 13:04:28,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:04:28,002 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3825 transitions. [2022-11-16 13:04:28,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:28,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3825 transitions. [2022-11-16 13:04:28,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:04:28,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:04:28,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:04:28,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-11-16 13:04:28,004 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:04:28,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:04:28,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1657643851, now seen corresponding path program 1 times [2022-11-16 13:04:28,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:04:28,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423593735] [2022-11-16 13:04:28,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:04:28,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:04:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:04:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:04:28,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:04:28,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423593735] [2022-11-16 13:04:28,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423593735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:04:28,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:04:28,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:04:28,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367333396] [2022-11-16 13:04:28,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:04:28,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:04:28,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:04:28,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:04:28,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:04:28,271 INFO L87 Difference]: Start difference. First operand 2716 states and 3825 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:37,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:04:37,351 INFO L93 Difference]: Finished difference Result 4702 states and 6659 transitions. [2022-11-16 13:04:37,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:04:37,351 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:04:37,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:04:37,355 INFO L225 Difference]: With dead ends: 4702 [2022-11-16 13:04:37,355 INFO L226 Difference]: Without dead ends: 4491 [2022-11-16 13:04:37,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:04:37,356 INFO L413 NwaCegarLoop]: 2086 mSDtfsCounter, 8305 mSDsluCounter, 8382 mSDsCounter, 0 mSdLazyCounter, 8456 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8305 SdHoareTripleChecker+Valid, 10468 SdHoareTripleChecker+Invalid, 8461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-16 13:04:37,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8305 Valid, 10468 Invalid, 8461 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 8456 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-16 13:04:37,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2022-11-16 13:04:38,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 2716. [2022-11-16 13:04:38,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.427398282941396) internal successors, (3824), 2715 states have internal predecessors, (3824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:38,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3824 transitions. [2022-11-16 13:04:38,892 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3824 transitions. Word has length 132 [2022-11-16 13:04:38,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:04:38,893 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3824 transitions. [2022-11-16 13:04:38,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:38,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3824 transitions. [2022-11-16 13:04:38,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:04:38,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:04:38,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:04:38,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-11-16 13:04:38,896 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:04:38,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:04:38,896 INFO L85 PathProgramCache]: Analyzing trace with hash 434817427, now seen corresponding path program 1 times [2022-11-16 13:04:38,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:04:38,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324123256] [2022-11-16 13:04:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:04:38,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:04:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:04:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:04:39,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:04:39,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324123256] [2022-11-16 13:04:39,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324123256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:04:39,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:04:39,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:04:39,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473765247] [2022-11-16 13:04:39,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:04:39,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:04:39,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:04:39,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:04:39,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:04:39,199 INFO L87 Difference]: Start difference. First operand 2716 states and 3824 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:47,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:04:47,731 INFO L93 Difference]: Finished difference Result 4702 states and 6657 transitions. [2022-11-16 13:04:47,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:04:47,732 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:04:47,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:04:47,736 INFO L225 Difference]: With dead ends: 4702 [2022-11-16 13:04:47,736 INFO L226 Difference]: Without dead ends: 4491 [2022-11-16 13:04:47,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:04:47,737 INFO L413 NwaCegarLoop]: 2098 mSDtfsCounter, 5898 mSDsluCounter, 6625 mSDsCounter, 0 mSdLazyCounter, 7109 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5898 SdHoareTripleChecker+Valid, 8723 SdHoareTripleChecker+Invalid, 7116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 13:04:47,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5898 Valid, 8723 Invalid, 7116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7109 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 13:04:47,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2022-11-16 13:04:49,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 2716. [2022-11-16 13:04:49,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4270250093318402) internal successors, (3823), 2715 states have internal predecessors, (3823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3823 transitions. [2022-11-16 13:04:49,531 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3823 transitions. Word has length 132 [2022-11-16 13:04:49,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:04:49,531 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3823 transitions. [2022-11-16 13:04:49,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:49,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3823 transitions. [2022-11-16 13:04:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:04:49,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:04:49,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:04:49,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-11-16 13:04:49,533 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:04:49,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:04:49,534 INFO L85 PathProgramCache]: Analyzing trace with hash 65280392, now seen corresponding path program 1 times [2022-11-16 13:04:49,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:04:49,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981869844] [2022-11-16 13:04:49,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:04:49,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:04:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:04:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:04:49,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:04:49,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981869844] [2022-11-16 13:04:49,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981869844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:04:49,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:04:49,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:04:49,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196424585] [2022-11-16 13:04:49,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:04:49,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:04:49,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:04:49,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:04:49,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:04:49,767 INFO L87 Difference]: Start difference. First operand 2716 states and 3823 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:57,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:04:57,659 INFO L93 Difference]: Finished difference Result 4593 states and 6465 transitions. [2022-11-16 13:04:57,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:04:57,660 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:04:57,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:04:57,663 INFO L225 Difference]: With dead ends: 4593 [2022-11-16 13:04:57,663 INFO L226 Difference]: Without dead ends: 4399 [2022-11-16 13:04:57,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:04:57,664 INFO L413 NwaCegarLoop]: 1635 mSDtfsCounter, 6672 mSDsluCounter, 5302 mSDsCounter, 0 mSdLazyCounter, 5790 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6672 SdHoareTripleChecker+Valid, 6937 SdHoareTripleChecker+Invalid, 5796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 13:04:57,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6672 Valid, 6937 Invalid, 5796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5790 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 13:04:57,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-11-16 13:04:59,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2716. [2022-11-16 13:04:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4266517357222845) internal successors, (3822), 2715 states have internal predecessors, (3822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3822 transitions. [2022-11-16 13:04:59,311 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3822 transitions. Word has length 132 [2022-11-16 13:04:59,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:04:59,312 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3822 transitions. [2022-11-16 13:04:59,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:04:59,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3822 transitions. [2022-11-16 13:04:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:04:59,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:04:59,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:04:59,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-11-16 13:04:59,314 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:04:59,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:04:59,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1804489952, now seen corresponding path program 1 times [2022-11-16 13:04:59,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:04:59,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040799125] [2022-11-16 13:04:59,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:04:59,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:04:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:04:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:04:59,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:04:59,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040799125] [2022-11-16 13:04:59,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040799125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:04:59,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:04:59,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 13:04:59,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935905253] [2022-11-16 13:04:59,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:04:59,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 13:04:59,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:04:59,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 13:04:59,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:04:59,547 INFO L87 Difference]: Start difference. First operand 2716 states and 3822 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:05:07,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:05:07,400 INFO L93 Difference]: Finished difference Result 4593 states and 6463 transitions. [2022-11-16 13:05:07,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 13:05:07,400 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-16 13:05:07,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:05:07,404 INFO L225 Difference]: With dead ends: 4593 [2022-11-16 13:05:07,404 INFO L226 Difference]: Without dead ends: 4399 [2022-11-16 13:05:07,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 13:05:07,405 INFO L413 NwaCegarLoop]: 1635 mSDtfsCounter, 9970 mSDsluCounter, 5299 mSDsCounter, 0 mSdLazyCounter, 5789 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9970 SdHoareTripleChecker+Valid, 6934 SdHoareTripleChecker+Invalid, 5796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 13:05:07,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9970 Valid, 6934 Invalid, 5796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5789 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 13:05:07,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-11-16 13:05:09,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2716. [2022-11-16 13:05:09,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2679 states have (on average 1.4262784621127287) internal successors, (3821), 2715 states have internal predecessors, (3821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:05:09,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3821 transitions. [2022-11-16 13:05:09,008 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3821 transitions. Word has length 132 [2022-11-16 13:05:09,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:05:09,008 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3821 transitions. [2022-11-16 13:05:09,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 13:05:09,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3821 transitions. [2022-11-16 13:05:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 13:05:09,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:05:09,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:05:09,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-11-16 13:05:09,010 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 13:05:09,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:05:09,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1413670137, now seen corresponding path program 1 times [2022-11-16 13:05:09,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:05:09,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554428372] [2022-11-16 13:05:09,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:05:09,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:05:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 13:05:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 13:05:09,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 13:05:09,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554428372] [2022-11-16 13:05:09,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554428372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 13:05:09,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 13:05:09,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 13:05:09,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036130212] [2022-11-16 13:05:09,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 13:05:09,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 13:05:09,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 13:05:09,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 13:05:09,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-16 13:05:09,430 INFO L87 Difference]: Start difference. First operand 2716 states and 3821 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)