./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 930b16bc37a672cceaa805d09eab083d07141f7f88feaee710c310c880a88e07 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:12:18,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:12:18,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:12:18,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:12:18,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:12:18,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:12:18,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:12:18,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:12:18,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:12:18,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:12:18,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:12:18,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:12:18,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:12:18,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:12:18,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:12:18,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:12:18,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:12:18,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:12:18,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:12:18,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:12:18,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:12:18,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:12:18,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:12:18,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:12:18,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:12:18,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:12:18,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:12:18,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:12:18,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:12:18,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:12:18,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:12:18,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:12:18,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:12:18,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:12:18,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:12:18,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:12:18,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:12:18,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:12:18,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:12:18,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:12:18,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:12:18,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:12:18,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:12:18,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:12:18,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:12:18,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:12:18,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:12:18,427 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:12:18,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:12:18,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:12:18,428 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:12:18,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:12:18,428 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:12:18,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:12:18,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:12:18,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:12:18,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:12:18,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:12:18,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:12:18,429 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:12:18,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:12:18,430 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:12:18,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:12:18,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:12:18,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:12:18,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:12:18,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:12:18,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:12:18,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:12:18,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:12:18,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:12:18,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:12:18,432 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:12:18,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:12:18,432 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:12:18,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:12:18,432 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:12:18,432 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 930b16bc37a672cceaa805d09eab083d07141f7f88feaee710c310c880a88e07 [2022-12-13 20:12:18,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:12:18,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:12:18,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:12:18,632 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:12:18,632 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:12:18,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-12-13 20:12:21,224 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:12:21,522 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:12:21,523 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-12-13 20:12:21,542 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/data/c9b87cb17/e0d9b4c913e34653a7344908dd58cf69/FLAG083d2aa03 [2022-12-13 20:12:21,556 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/data/c9b87cb17/e0d9b4c913e34653a7344908dd58cf69 [2022-12-13 20:12:21,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:12:21,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:12:21,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:12:21,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:12:21,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:12:21,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:12:21" (1/1) ... [2022-12-13 20:12:21,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ba22b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:21, skipping insertion in model container [2022-12-13 20:12:21,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:12:21" (1/1) ... [2022-12-13 20:12:21,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:12:21,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:12:22,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37686,37699] [2022-12-13 20:12:22,092 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53661,53674] [2022-12-13 20:12:22,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61658,61671] [2022-12-13 20:12:22,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65640,65653] [2022-12-13 20:12:22,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69487,69500] [2022-12-13 20:12:22,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86510,86523] [2022-12-13 20:12:22,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94544,94557] [2022-12-13 20:12:22,214 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98563,98576] [2022-12-13 20:12:22,223 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102447,102460] [2022-12-13 20:12:22,235 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[106961,106974] [2022-12-13 20:12:22,247 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[110869,110882] [2022-12-13 20:12:22,260 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[114888,114901] [2022-12-13 20:12:22,281 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[118772,118785] [2022-12-13 20:12:22,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[122907,122920] [2022-12-13 20:12:22,315 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[126958,126971] [2022-12-13 20:12:22,327 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[130958,130971] [2022-12-13 20:12:22,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:12:22,380 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:12:22,502 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37686,37699] [2022-12-13 20:12:22,547 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53661,53674] [2022-12-13 20:12:22,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61658,61671] [2022-12-13 20:12:22,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65640,65653] [2022-12-13 20:12:22,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69487,69500] [2022-12-13 20:12:22,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86510,86523] [2022-12-13 20:12:22,661 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94544,94557] [2022-12-13 20:12:22,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98563,98576] [2022-12-13 20:12:22,683 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102447,102460] [2022-12-13 20:12:22,692 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[106961,106974] [2022-12-13 20:12:22,700 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[110869,110882] [2022-12-13 20:12:22,708 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[114888,114901] [2022-12-13 20:12:22,718 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[118772,118785] [2022-12-13 20:12:22,729 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[122907,122920] [2022-12-13 20:12:22,739 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[126958,126971] [2022-12-13 20:12:22,750 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[130958,130971] [2022-12-13 20:12:22,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:12:22,797 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:12:22,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22 WrapperNode [2022-12-13 20:12:22,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:12:22,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:12:22,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:12:22,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:12:22,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (1/1) ... [2022-12-13 20:12:22,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (1/1) ... [2022-12-13 20:12:22,888 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5834 [2022-12-13 20:12:22,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:12:22,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:12:22,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:12:22,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:12:22,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (1/1) ... [2022-12-13 20:12:22,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (1/1) ... [2022-12-13 20:12:22,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (1/1) ... [2022-12-13 20:12:22,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (1/1) ... [2022-12-13 20:12:22,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (1/1) ... [2022-12-13 20:12:22,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (1/1) ... [2022-12-13 20:12:22,953 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (1/1) ... [2022-12-13 20:12:22,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (1/1) ... [2022-12-13 20:12:22,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:12:22,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:12:22,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:12:22,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:12:22,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (1/1) ... [2022-12-13 20:12:22,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:12:23,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:12:23,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:12:23,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:12:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:12:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:12:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:12:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:12:23,264 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:12:23,266 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:12:25,164 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:12:25,182 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:12:25,182 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:12:25,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:12:25 BoogieIcfgContainer [2022-12-13 20:12:25,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:12:25,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:12:25,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:12:25,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:12:25,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:12:21" (1/3) ... [2022-12-13 20:12:25,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2794eff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:12:25, skipping insertion in model container [2022-12-13 20:12:25,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:12:22" (2/3) ... [2022-12-13 20:12:25,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2794eff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:12:25, skipping insertion in model container [2022-12-13 20:12:25,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:12:25" (3/3) ... [2022-12-13 20:12:25,194 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-12-13 20:12:25,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:12:25,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-12-13 20:12:25,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:12:25,289 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;@21112ebb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:12:25,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-12-13 20:12:25,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 1193 states, 1176 states have (on average 1.7704081632653061) internal successors, (2082), 1192 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-13 20:12:25,313 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:25,314 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] [2022-12-13 20:12:25,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:25,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:25,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1494001524, now seen corresponding path program 1 times [2022-12-13 20:12:25,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:25,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211005908] [2022-12-13 20:12:25,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:25,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:25,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:25,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211005908] [2022-12-13 20:12:25,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211005908] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:25,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:25,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:12:25,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981600182] [2022-12-13 20:12:25,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:25,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:12:25,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:25,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:12:25,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:12:25,834 INFO L87 Difference]: Start difference. First operand has 1193 states, 1176 states have (on average 1.7704081632653061) internal successors, (2082), 1192 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:26,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:26,620 INFO L93 Difference]: Finished difference Result 1556 states and 2660 transitions. [2022-12-13 20:12:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:12:26,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-12-13 20:12:26,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:26,637 INFO L225 Difference]: With dead ends: 1556 [2022-12-13 20:12:26,637 INFO L226 Difference]: Without dead ends: 945 [2022-12-13 20:12:26,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:12:26,645 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 4735 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4735 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:26,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4735 Valid, 931 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:12:26,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2022-12-13 20:12:26,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 945. [2022-12-13 20:12:26,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 929 states have (on average 1.2927879440258343) internal successors, (1201), 944 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1201 transitions. [2022-12-13 20:12:26,736 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1201 transitions. Word has length 73 [2022-12-13 20:12:26,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:26,737 INFO L495 AbstractCegarLoop]: Abstraction has 945 states and 1201 transitions. [2022-12-13 20:12:26,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1201 transitions. [2022-12-13 20:12:26,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-13 20:12:26,740 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:26,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:26,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:12:26,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:26,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:26,742 INFO L85 PathProgramCache]: Analyzing trace with hash -2060458333, now seen corresponding path program 1 times [2022-12-13 20:12:26,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:26,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358594687] [2022-12-13 20:12:26,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:26,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:26,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:26,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358594687] [2022-12-13 20:12:26,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358594687] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:26,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:26,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:12:26,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359092488] [2022-12-13 20:12:26,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:26,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:12:26,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:26,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:12:26,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:12:26,912 INFO L87 Difference]: Start difference. First operand 945 states and 1201 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:27,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:27,451 INFO L93 Difference]: Finished difference Result 1347 states and 1726 transitions. [2022-12-13 20:12:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:12:27,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-12-13 20:12:27,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:27,455 INFO L225 Difference]: With dead ends: 1347 [2022-12-13 20:12:27,455 INFO L226 Difference]: Without dead ends: 881 [2022-12-13 20:12:27,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:12:27,458 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 3281 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3281 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:27,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3281 Valid, 563 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:27,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2022-12-13 20:12:27,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 881. [2022-12-13 20:12:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 865 states have (on average 1.3040462427745665) internal successors, (1128), 880 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1128 transitions. [2022-12-13 20:12:27,496 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1128 transitions. Word has length 73 [2022-12-13 20:12:27,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:27,496 INFO L495 AbstractCegarLoop]: Abstraction has 881 states and 1128 transitions. [2022-12-13 20:12:27,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1128 transitions. [2022-12-13 20:12:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-13 20:12:27,498 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:27,498 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] [2022-12-13 20:12:27,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:12:27,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:27,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:27,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1618618520, now seen corresponding path program 1 times [2022-12-13 20:12:27,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:27,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194478267] [2022-12-13 20:12:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:27,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:27,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:27,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:27,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194478267] [2022-12-13 20:12:27,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194478267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:27,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:27,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:12:27,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603847818] [2022-12-13 20:12:27,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:27,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:12:27,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:27,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:12:27,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:12:27,609 INFO L87 Difference]: Start difference. First operand 881 states and 1128 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:27,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:27,956 INFO L93 Difference]: Finished difference Result 1019 states and 1292 transitions. [2022-12-13 20:12:27,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:12:27,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-12-13 20:12:27,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:27,958 INFO L225 Difference]: With dead ends: 1019 [2022-12-13 20:12:27,958 INFO L226 Difference]: Without dead ends: 585 [2022-12-13 20:12:27,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:12:27,959 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 2145 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:27,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 417 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:12:27,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2022-12-13 20:12:27,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 585. [2022-12-13 20:12:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 569 states have (on average 1.3057996485061512) internal successors, (743), 584 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 743 transitions. [2022-12-13 20:12:27,987 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 743 transitions. Word has length 73 [2022-12-13 20:12:27,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:27,988 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 743 transitions. [2022-12-13 20:12:27,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 743 transitions. [2022-12-13 20:12:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-13 20:12:27,989 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:27,989 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] [2022-12-13 20:12:27,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:12:27,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:27,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:27,989 INFO L85 PathProgramCache]: Analyzing trace with hash -700009990, now seen corresponding path program 1 times [2022-12-13 20:12:27,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:27,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490644071] [2022-12-13 20:12:27,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:27,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:28,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:28,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490644071] [2022-12-13 20:12:28,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490644071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:28,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:28,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:12:28,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907278489] [2022-12-13 20:12:28,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:28,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:12:28,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:28,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:12:28,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:12:28,090 INFO L87 Difference]: Start difference. First operand 585 states and 743 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:28,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:28,332 INFO L93 Difference]: Finished difference Result 807 states and 1026 transitions. [2022-12-13 20:12:28,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:12:28,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-12-13 20:12:28,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:28,336 INFO L225 Difference]: With dead ends: 807 [2022-12-13 20:12:28,336 INFO L226 Difference]: Without dead ends: 500 [2022-12-13 20:12:28,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:12:28,338 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 1851 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:28,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 368 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:12:28,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-12-13 20:12:28,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2022-12-13 20:12:28,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 484 states have (on average 1.3161157024793388) internal successors, (637), 499 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 637 transitions. [2022-12-13 20:12:28,356 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 637 transitions. Word has length 75 [2022-12-13 20:12:28,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:28,357 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 637 transitions. [2022-12-13 20:12:28,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 637 transitions. [2022-12-13 20:12:28,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 20:12:28,358 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:28,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:28,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:12:28,358 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:28,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:28,358 INFO L85 PathProgramCache]: Analyzing trace with hash 137435073, now seen corresponding path program 1 times [2022-12-13 20:12:28,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:28,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906326434] [2022-12-13 20:12:28,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:28,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:28,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:28,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:28,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906326434] [2022-12-13 20:12:28,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906326434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:28,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:28,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:12:28,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025109419] [2022-12-13 20:12:28,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:28,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:12:28,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:28,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:12:28,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:12:28,480 INFO L87 Difference]: Start difference. First operand 500 states and 637 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:28,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:28,695 INFO L93 Difference]: Finished difference Result 686 states and 871 transitions. [2022-12-13 20:12:28,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:12:28,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-12-13 20:12:28,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:28,698 INFO L225 Difference]: With dead ends: 686 [2022-12-13 20:12:28,698 INFO L226 Difference]: Without dead ends: 423 [2022-12-13 20:12:28,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:12:28,700 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 1540 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:28,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 334 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:12:28,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-12-13 20:12:28,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2022-12-13 20:12:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.3194103194103195) internal successors, (537), 422 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 537 transitions. [2022-12-13 20:12:28,733 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 537 transitions. Word has length 77 [2022-12-13 20:12:28,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:28,734 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 537 transitions. [2022-12-13 20:12:28,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 537 transitions. [2022-12-13 20:12:28,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 20:12:28,735 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:28,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:28,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:12:28,736 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:28,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:28,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1748744325, now seen corresponding path program 1 times [2022-12-13 20:12:28,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:28,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838731147] [2022-12-13 20:12:28,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:28,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:29,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:29,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838731147] [2022-12-13 20:12:29,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838731147] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:29,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:29,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 20:12:29,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676171046] [2022-12-13 20:12:29,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:29,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 20:12:29,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:29,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 20:12:29,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:12:29,094 INFO L87 Difference]: Start difference. First operand 423 states and 537 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:29,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:29,963 INFO L93 Difference]: Finished difference Result 935 states and 1225 transitions. [2022-12-13 20:12:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 20:12:29,964 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 20:12:29,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:29,966 INFO L225 Difference]: With dead ends: 935 [2022-12-13 20:12:29,966 INFO L226 Difference]: Without dead ends: 783 [2022-12-13 20:12:29,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-12-13 20:12:29,967 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 2109 mSDsluCounter, 1420 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2109 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:29,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2109 Valid, 1791 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:12:29,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2022-12-13 20:12:30,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 423. [2022-12-13 20:12:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.316953316953317) internal successors, (536), 422 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 536 transitions. [2022-12-13 20:12:30,009 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 536 transitions. Word has length 79 [2022-12-13 20:12:30,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:30,009 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 536 transitions. [2022-12-13 20:12:30,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 536 transitions. [2022-12-13 20:12:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 20:12:30,010 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:30,010 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] [2022-12-13 20:12:30,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:12:30,011 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:30,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:30,011 INFO L85 PathProgramCache]: Analyzing trace with hash -945208837, now seen corresponding path program 1 times [2022-12-13 20:12:30,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:30,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677299129] [2022-12-13 20:12:30,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:30,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:30,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:30,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677299129] [2022-12-13 20:12:30,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677299129] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:30,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:30,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:12:30,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191706311] [2022-12-13 20:12:30,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:30,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 20:12:30,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:30,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 20:12:30,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:12:30,267 INFO L87 Difference]: Start difference. First operand 423 states and 536 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:30,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:30,877 INFO L93 Difference]: Finished difference Result 821 states and 1024 transitions. [2022-12-13 20:12:30,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:12:30,877 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 20:12:30,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:30,878 INFO L225 Difference]: With dead ends: 821 [2022-12-13 20:12:30,879 INFO L226 Difference]: Without dead ends: 592 [2022-12-13 20:12:30,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-12-13 20:12:30,880 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 2859 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:30,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2859 Valid, 1030 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:12:30,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2022-12-13 20:12:30,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 423. [2022-12-13 20:12:30,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.3144963144963144) internal successors, (535), 422 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:30,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 535 transitions. [2022-12-13 20:12:30,911 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 535 transitions. Word has length 79 [2022-12-13 20:12:30,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:30,911 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 535 transitions. [2022-12-13 20:12:30,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:30,911 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 535 transitions. [2022-12-13 20:12:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 20:12:30,912 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:30,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:30,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:12:30,912 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:30,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:30,913 INFO L85 PathProgramCache]: Analyzing trace with hash -883245509, now seen corresponding path program 1 times [2022-12-13 20:12:30,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:30,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7761449] [2022-12-13 20:12:30,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:30,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:31,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:31,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7761449] [2022-12-13 20:12:31,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7761449] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:31,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:31,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:31,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955285] [2022-12-13 20:12:31,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:31,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:31,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:31,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:31,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:31,232 INFO L87 Difference]: Start difference. First operand 423 states and 535 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:32,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:32,027 INFO L93 Difference]: Finished difference Result 877 states and 1155 transitions. [2022-12-13 20:12:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:32,028 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 20:12:32,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:32,031 INFO L225 Difference]: With dead ends: 877 [2022-12-13 20:12:32,031 INFO L226 Difference]: Without dead ends: 783 [2022-12-13 20:12:32,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-12-13 20:12:32,032 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 3053 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3053 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:32,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3053 Valid, 1795 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:32,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2022-12-13 20:12:32,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 423. [2022-12-13 20:12:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.3120393120393121) internal successors, (534), 422 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 534 transitions. [2022-12-13 20:12:32,092 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 534 transitions. Word has length 79 [2022-12-13 20:12:32,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:32,092 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 534 transitions. [2022-12-13 20:12:32,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 534 transitions. [2022-12-13 20:12:32,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 20:12:32,094 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:32,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:32,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 20:12:32,094 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:32,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:32,095 INFO L85 PathProgramCache]: Analyzing trace with hash -876086789, now seen corresponding path program 1 times [2022-12-13 20:12:32,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:32,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188337192] [2022-12-13 20:12:32,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:32,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:32,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:32,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188337192] [2022-12-13 20:12:32,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188337192] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:32,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:32,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:32,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802175361] [2022-12-13 20:12:32,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:32,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:32,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:32,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:32,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:32,325 INFO L87 Difference]: Start difference. First operand 423 states and 534 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:33,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:33,055 INFO L93 Difference]: Finished difference Result 924 states and 1212 transitions. [2022-12-13 20:12:33,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:33,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 20:12:33,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:33,057 INFO L225 Difference]: With dead ends: 924 [2022-12-13 20:12:33,057 INFO L226 Difference]: Without dead ends: 787 [2022-12-13 20:12:33,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:33,058 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 3048 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 1874 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:33,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 1874 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:33,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-12-13 20:12:33,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 423. [2022-12-13 20:12:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.3095823095823096) internal successors, (533), 422 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:33,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 533 transitions. [2022-12-13 20:12:33,134 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 533 transitions. Word has length 79 [2022-12-13 20:12:33,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:33,135 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 533 transitions. [2022-12-13 20:12:33,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:33,135 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 533 transitions. [2022-12-13 20:12:33,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-13 20:12:33,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:33,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:33,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 20:12:33,137 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:33,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:33,137 INFO L85 PathProgramCache]: Analyzing trace with hash -178984548, now seen corresponding path program 1 times [2022-12-13 20:12:33,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:33,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576876005] [2022-12-13 20:12:33,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:33,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:33,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:33,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576876005] [2022-12-13 20:12:33,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576876005] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:33,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:33,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:33,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317751718] [2022-12-13 20:12:33,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:33,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:33,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:33,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:33,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:33,425 INFO L87 Difference]: Start difference. First operand 423 states and 533 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:34,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:34,150 INFO L93 Difference]: Finished difference Result 827 states and 1074 transitions. [2022-12-13 20:12:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:34,150 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-12-13 20:12:34,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:34,152 INFO L225 Difference]: With dead ends: 827 [2022-12-13 20:12:34,152 INFO L226 Difference]: Without dead ends: 759 [2022-12-13 20:12:34,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:34,153 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 3167 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 1090 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3167 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:34,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3167 Valid, 1489 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1090 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:34,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2022-12-13 20:12:34,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 423. [2022-12-13 20:12:34,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.307125307125307) internal successors, (532), 422 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 532 transitions. [2022-12-13 20:12:34,195 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 532 transitions. Word has length 80 [2022-12-13 20:12:34,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:34,195 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 532 transitions. [2022-12-13 20:12:34,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 532 transitions. [2022-12-13 20:12:34,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 20:12:34,196 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:34,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:34,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 20:12:34,196 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:34,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:34,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1996016320, now seen corresponding path program 1 times [2022-12-13 20:12:34,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:34,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565171237] [2022-12-13 20:12:34,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:34,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:34,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:34,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565171237] [2022-12-13 20:12:34,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565171237] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:34,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:34,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:34,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959119821] [2022-12-13 20:12:34,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:34,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:34,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:34,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:34,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:34,461 INFO L87 Difference]: Start difference. First operand 423 states and 532 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:35,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:35,114 INFO L93 Difference]: Finished difference Result 765 states and 979 transitions. [2022-12-13 20:12:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:35,114 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 20:12:35,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:35,116 INFO L225 Difference]: With dead ends: 765 [2022-12-13 20:12:35,116 INFO L226 Difference]: Without dead ends: 759 [2022-12-13 20:12:35,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:35,116 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1642 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:35,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 1501 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:12:35,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2022-12-13 20:12:35,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 423. [2022-12-13 20:12:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.3046683046683047) internal successors, (531), 422 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:35,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 531 transitions. [2022-12-13 20:12:35,173 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 531 transitions. Word has length 81 [2022-12-13 20:12:35,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:35,174 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 531 transitions. [2022-12-13 20:12:35,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:35,174 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 531 transitions. [2022-12-13 20:12:35,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 20:12:35,175 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:35,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:35,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 20:12:35,175 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:35,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash -468566400, now seen corresponding path program 1 times [2022-12-13 20:12:35,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:35,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87366347] [2022-12-13 20:12:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:35,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:35,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:35,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87366347] [2022-12-13 20:12:35,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87366347] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:35,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:35,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:35,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079698976] [2022-12-13 20:12:35,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:35,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:35,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:35,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:35,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:35,440 INFO L87 Difference]: Start difference. First operand 423 states and 531 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:36,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:36,282 INFO L93 Difference]: Finished difference Result 886 states and 1157 transitions. [2022-12-13 20:12:36,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:36,282 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 20:12:36,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:36,284 INFO L225 Difference]: With dead ends: 886 [2022-12-13 20:12:36,284 INFO L226 Difference]: Without dead ends: 783 [2022-12-13 20:12:36,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-12-13 20:12:36,284 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 2467 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2467 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:36,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2467 Valid, 2214 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:12:36,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2022-12-13 20:12:36,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 423. [2022-12-13 20:12:36,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.3022113022113022) internal successors, (530), 422 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 530 transitions. [2022-12-13 20:12:36,331 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 530 transitions. Word has length 81 [2022-12-13 20:12:36,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:36,331 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 530 transitions. [2022-12-13 20:12:36,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 530 transitions. [2022-12-13 20:12:36,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 20:12:36,332 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:36,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:36,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 20:12:36,333 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:36,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:36,333 INFO L85 PathProgramCache]: Analyzing trace with hash -583258688, now seen corresponding path program 1 times [2022-12-13 20:12:36,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:36,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857743438] [2022-12-13 20:12:36,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:36,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:36,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:36,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857743438] [2022-12-13 20:12:36,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857743438] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:36,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:36,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:36,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041650755] [2022-12-13 20:12:36,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:36,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:36,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:36,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:36,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:36,575 INFO L87 Difference]: Start difference. First operand 423 states and 530 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:37,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:37,377 INFO L93 Difference]: Finished difference Result 765 states and 977 transitions. [2022-12-13 20:12:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:37,378 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 20:12:37,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:37,379 INFO L225 Difference]: With dead ends: 765 [2022-12-13 20:12:37,379 INFO L226 Difference]: Without dead ends: 759 [2022-12-13 20:12:37,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:37,380 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1910 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:37,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 1494 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:37,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2022-12-13 20:12:37,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 423. [2022-12-13 20:12:37,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.2997542997542997) internal successors, (529), 422 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 529 transitions. [2022-12-13 20:12:37,428 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 529 transitions. Word has length 81 [2022-12-13 20:12:37,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:37,428 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 529 transitions. [2022-12-13 20:12:37,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 529 transitions. [2022-12-13 20:12:37,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 20:12:37,429 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:37,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:37,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 20:12:37,429 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:37,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:37,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1694349184, now seen corresponding path program 1 times [2022-12-13 20:12:37,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:37,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276702487] [2022-12-13 20:12:37,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:37,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:37,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:37,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:37,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276702487] [2022-12-13 20:12:37,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276702487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:37,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:37,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:37,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672470472] [2022-12-13 20:12:37,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:37,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:37,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:37,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:37,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:37,589 INFO L87 Difference]: Start difference. First operand 423 states and 529 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:38,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:38,316 INFO L93 Difference]: Finished difference Result 830 states and 1071 transitions. [2022-12-13 20:12:38,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:38,317 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 20:12:38,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:38,320 INFO L225 Difference]: With dead ends: 830 [2022-12-13 20:12:38,320 INFO L226 Difference]: Without dead ends: 759 [2022-12-13 20:12:38,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:38,321 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 2394 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:38,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2394 Valid, 1497 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:38,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2022-12-13 20:12:38,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 423. [2022-12-13 20:12:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.2972972972972974) internal successors, (528), 422 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 528 transitions. [2022-12-13 20:12:38,370 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 528 transitions. Word has length 81 [2022-12-13 20:12:38,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:38,370 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 528 transitions. [2022-12-13 20:12:38,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 528 transitions. [2022-12-13 20:12:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 20:12:38,371 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:38,371 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] [2022-12-13 20:12:38,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 20:12:38,371 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:38,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:38,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1372385248, now seen corresponding path program 1 times [2022-12-13 20:12:38,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:38,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132142021] [2022-12-13 20:12:38,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:38,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:38,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:38,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132142021] [2022-12-13 20:12:38,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132142021] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:38,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:38,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:38,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453890350] [2022-12-13 20:12:38,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:38,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:38,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:38,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:38,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:38,528 INFO L87 Difference]: Start difference. First operand 423 states and 528 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:39,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:39,178 INFO L93 Difference]: Finished difference Result 886 states and 1156 transitions. [2022-12-13 20:12:39,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:39,178 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 20:12:39,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:39,180 INFO L225 Difference]: With dead ends: 886 [2022-12-13 20:12:39,180 INFO L226 Difference]: Without dead ends: 783 [2022-12-13 20:12:39,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:39,180 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 1458 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:39,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1458 Valid, 2096 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:12:39,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2022-12-13 20:12:39,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 423. [2022-12-13 20:12:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.2948402948402948) internal successors, (527), 422 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:39,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 527 transitions. [2022-12-13 20:12:39,233 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 527 transitions. Word has length 81 [2022-12-13 20:12:39,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:39,234 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 527 transitions. [2022-12-13 20:12:39,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 527 transitions. [2022-12-13 20:12:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 20:12:39,234 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:39,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:39,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 20:12:39,234 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:39,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:39,235 INFO L85 PathProgramCache]: Analyzing trace with hash 845637120, now seen corresponding path program 1 times [2022-12-13 20:12:39,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:39,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965408675] [2022-12-13 20:12:39,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:39,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:39,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:39,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965408675] [2022-12-13 20:12:39,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965408675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:39,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:39,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:39,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206944380] [2022-12-13 20:12:39,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:39,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:39,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:39,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:39,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:39,396 INFO L87 Difference]: Start difference. First operand 423 states and 527 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:40,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:40,256 INFO L93 Difference]: Finished difference Result 765 states and 972 transitions. [2022-12-13 20:12:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:40,256 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 20:12:40,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:40,258 INFO L225 Difference]: With dead ends: 765 [2022-12-13 20:12:40,258 INFO L226 Difference]: Without dead ends: 759 [2022-12-13 20:12:40,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:40,258 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1637 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:40,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1637 Valid, 1498 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:40,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2022-12-13 20:12:40,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 423. [2022-12-13 20:12:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 407 states have (on average 1.2923832923832923) internal successors, (526), 422 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:40,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 526 transitions. [2022-12-13 20:12:40,314 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 526 transitions. Word has length 81 [2022-12-13 20:12:40,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:40,314 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 526 transitions. [2022-12-13 20:12:40,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 526 transitions. [2022-12-13 20:12:40,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 20:12:40,315 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:40,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:40,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 20:12:40,315 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:40,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:40,316 INFO L85 PathProgramCache]: Analyzing trace with hash 962867702, now seen corresponding path program 1 times [2022-12-13 20:12:40,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:40,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58628618] [2022-12-13 20:12:40,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:40,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:40,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:40,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58628618] [2022-12-13 20:12:40,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58628618] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:40,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:40,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:40,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889947500] [2022-12-13 20:12:40,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:40,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:40,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:40,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:40,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:40,505 INFO L87 Difference]: Start difference. First operand 423 states and 526 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:41,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:41,529 INFO L93 Difference]: Finished difference Result 824 states and 1060 transitions. [2022-12-13 20:12:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:41,529 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-13 20:12:41,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:41,532 INFO L225 Difference]: With dead ends: 824 [2022-12-13 20:12:41,532 INFO L226 Difference]: Without dead ends: 758 [2022-12-13 20:12:41,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:41,533 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 2638 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2638 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:41,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2638 Valid, 1939 Invalid, 1325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:12:41,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2022-12-13 20:12:41,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 422. [2022-12-13 20:12:41,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.29064039408867) internal successors, (524), 421 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:41,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 524 transitions. [2022-12-13 20:12:41,593 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 524 transitions. Word has length 81 [2022-12-13 20:12:41,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:41,594 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 524 transitions. [2022-12-13 20:12:41,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 524 transitions. [2022-12-13 20:12:41,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 20:12:41,594 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:41,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:41,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 20:12:41,595 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:41,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:41,595 INFO L85 PathProgramCache]: Analyzing trace with hash 547042711, now seen corresponding path program 1 times [2022-12-13 20:12:41,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:41,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992204430] [2022-12-13 20:12:41,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:41,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:41,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:41,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992204430] [2022-12-13 20:12:41,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992204430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:41,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:41,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:41,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378670454] [2022-12-13 20:12:41,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:41,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:41,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:41,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:41,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:41,746 INFO L87 Difference]: Start difference. First operand 422 states and 524 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:42,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:42,563 INFO L93 Difference]: Finished difference Result 826 states and 1061 transitions. [2022-12-13 20:12:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:42,564 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 20:12:42,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:42,568 INFO L225 Difference]: With dead ends: 826 [2022-12-13 20:12:42,568 INFO L226 Difference]: Without dead ends: 758 [2022-12-13 20:12:42,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:42,569 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 2361 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2361 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:42,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2361 Valid, 1504 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:42,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2022-12-13 20:12:42,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 422. [2022-12-13 20:12:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2881773399014778) internal successors, (523), 421 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:42,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 523 transitions. [2022-12-13 20:12:42,681 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 523 transitions. Word has length 82 [2022-12-13 20:12:42,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:42,682 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 523 transitions. [2022-12-13 20:12:42,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 523 transitions. [2022-12-13 20:12:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 20:12:42,683 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:42,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:42,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 20:12:42,683 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:42,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:42,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1303505865, now seen corresponding path program 1 times [2022-12-13 20:12:42,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:42,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839503503] [2022-12-13 20:12:42,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:42,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:42,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:42,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839503503] [2022-12-13 20:12:42,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839503503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:42,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:42,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:42,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839286288] [2022-12-13 20:12:42,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:42,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:42,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:42,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:42,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:42,857 INFO L87 Difference]: Start difference. First operand 422 states and 523 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:43,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:43,692 INFO L93 Difference]: Finished difference Result 853 states and 1102 transitions. [2022-12-13 20:12:43,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:43,692 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 20:12:43,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:43,694 INFO L225 Difference]: With dead ends: 853 [2022-12-13 20:12:43,694 INFO L226 Difference]: Without dead ends: 774 [2022-12-13 20:12:43,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:43,695 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 1984 mSDsluCounter, 1658 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:43,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 2107 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:43,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-12-13 20:12:43,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 422. [2022-12-13 20:12:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2857142857142858) internal successors, (522), 421 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 522 transitions. [2022-12-13 20:12:43,761 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 522 transitions. Word has length 82 [2022-12-13 20:12:43,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:43,761 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 522 transitions. [2022-12-13 20:12:43,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:43,761 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 522 transitions. [2022-12-13 20:12:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 20:12:43,762 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:43,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:43,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 20:12:43,762 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:43,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:43,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1592889193, now seen corresponding path program 1 times [2022-12-13 20:12:43,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:43,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025693029] [2022-12-13 20:12:43,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:43,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:43,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:43,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025693029] [2022-12-13 20:12:43,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025693029] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:43,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:43,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:43,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251357805] [2022-12-13 20:12:43,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:43,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:43,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:43,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:43,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:43,948 INFO L87 Difference]: Start difference. First operand 422 states and 522 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:44,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:44,797 INFO L93 Difference]: Finished difference Result 826 states and 1059 transitions. [2022-12-13 20:12:44,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:44,798 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 20:12:44,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:44,799 INFO L225 Difference]: With dead ends: 826 [2022-12-13 20:12:44,799 INFO L226 Difference]: Without dead ends: 758 [2022-12-13 20:12:44,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:44,800 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 2604 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2604 SdHoareTripleChecker+Valid, 1977 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:44,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2604 Valid, 1977 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:44,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2022-12-13 20:12:44,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 422. [2022-12-13 20:12:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2832512315270936) internal successors, (521), 421 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:44,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 521 transitions. [2022-12-13 20:12:44,869 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 521 transitions. Word has length 82 [2022-12-13 20:12:44,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:44,869 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 521 transitions. [2022-12-13 20:12:44,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 521 transitions. [2022-12-13 20:12:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 20:12:44,869 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:44,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:44,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 20:12:44,870 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:44,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:44,870 INFO L85 PathProgramCache]: Analyzing trace with hash 585444599, now seen corresponding path program 1 times [2022-12-13 20:12:44,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:44,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240421415] [2022-12-13 20:12:44,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:44,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:45,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:45,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:45,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240421415] [2022-12-13 20:12:45,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240421415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:45,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:45,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:45,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128920809] [2022-12-13 20:12:45,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:45,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:45,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:45,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:45,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:45,031 INFO L87 Difference]: Start difference. First operand 422 states and 521 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:45,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:45,873 INFO L93 Difference]: Finished difference Result 853 states and 1101 transitions. [2022-12-13 20:12:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:45,874 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 20:12:45,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:45,876 INFO L225 Difference]: With dead ends: 853 [2022-12-13 20:12:45,876 INFO L226 Difference]: Without dead ends: 774 [2022-12-13 20:12:45,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:45,877 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 2368 mSDsluCounter, 1567 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2368 SdHoareTripleChecker+Valid, 2063 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:45,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2368 Valid, 2063 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:45,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-12-13 20:12:45,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 422. [2022-12-13 20:12:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2807881773399015) internal successors, (520), 421 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 520 transitions. [2022-12-13 20:12:45,945 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 520 transitions. Word has length 82 [2022-12-13 20:12:45,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:45,945 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 520 transitions. [2022-12-13 20:12:45,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:45,946 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 520 transitions. [2022-12-13 20:12:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 20:12:45,946 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:45,946 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:45,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 20:12:45,946 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:45,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:45,946 INFO L85 PathProgramCache]: Analyzing trace with hash 906756407, now seen corresponding path program 1 times [2022-12-13 20:12:45,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:45,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499109167] [2022-12-13 20:12:45,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:45,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:46,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:46,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499109167] [2022-12-13 20:12:46,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499109167] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:46,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:46,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:46,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099416823] [2022-12-13 20:12:46,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:46,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:46,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:46,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:46,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:46,113 INFO L87 Difference]: Start difference. First operand 422 states and 520 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:47,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:47,080 INFO L93 Difference]: Finished difference Result 826 states and 1057 transitions. [2022-12-13 20:12:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:47,081 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 20:12:47,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:47,084 INFO L225 Difference]: With dead ends: 826 [2022-12-13 20:12:47,084 INFO L226 Difference]: Without dead ends: 758 [2022-12-13 20:12:47,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:47,085 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 2577 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2577 SdHoareTripleChecker+Valid, 2024 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:47,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2577 Valid, 2024 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:12:47,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2022-12-13 20:12:47,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 422. [2022-12-13 20:12:47,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2783251231527093) internal successors, (519), 421 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:47,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 519 transitions. [2022-12-13 20:12:47,160 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 519 transitions. Word has length 82 [2022-12-13 20:12:47,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:47,160 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 519 transitions. [2022-12-13 20:12:47,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:47,160 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 519 transitions. [2022-12-13 20:12:47,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 20:12:47,161 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:47,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:47,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 20:12:47,161 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:47,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:47,161 INFO L85 PathProgramCache]: Analyzing trace with hash 46351895, now seen corresponding path program 1 times [2022-12-13 20:12:47,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:47,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674949875] [2022-12-13 20:12:47,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:47,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:47,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:47,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674949875] [2022-12-13 20:12:47,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674949875] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:47,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:47,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:47,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713170990] [2022-12-13 20:12:47,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:47,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:47,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:47,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:47,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:47,314 INFO L87 Difference]: Start difference. First operand 422 states and 519 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:48,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:48,296 INFO L93 Difference]: Finished difference Result 853 states and 1097 transitions. [2022-12-13 20:12:48,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:48,296 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 20:12:48,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:48,298 INFO L225 Difference]: With dead ends: 853 [2022-12-13 20:12:48,298 INFO L226 Difference]: Without dead ends: 774 [2022-12-13 20:12:48,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:48,298 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 1889 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:48,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 2229 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:12:48,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-12-13 20:12:48,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 422. [2022-12-13 20:12:48,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2758620689655173) internal successors, (518), 421 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 518 transitions. [2022-12-13 20:12:48,371 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 518 transitions. Word has length 82 [2022-12-13 20:12:48,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:48,372 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 518 transitions. [2022-12-13 20:12:48,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 518 transitions. [2022-12-13 20:12:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 20:12:48,372 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:48,372 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:48,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 20:12:48,372 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:48,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:48,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1083737591, now seen corresponding path program 1 times [2022-12-13 20:12:48,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:48,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858382755] [2022-12-13 20:12:48,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:48,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:48,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:48,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858382755] [2022-12-13 20:12:48,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858382755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:48,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:48,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:48,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390153459] [2022-12-13 20:12:48,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:48,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:48,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:48,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:48,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:48,532 INFO L87 Difference]: Start difference. First operand 422 states and 518 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:49,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:49,556 INFO L93 Difference]: Finished difference Result 849 states and 1092 transitions. [2022-12-13 20:12:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:49,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-12-13 20:12:49,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:49,560 INFO L225 Difference]: With dead ends: 849 [2022-12-13 20:12:49,560 INFO L226 Difference]: Without dead ends: 774 [2022-12-13 20:12:49,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:49,560 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 1965 mSDsluCounter, 1907 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 2360 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:49,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1965 Valid, 2360 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 20:12:49,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-12-13 20:12:49,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 422. [2022-12-13 20:12:49,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2733990147783252) internal successors, (517), 421 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 517 transitions. [2022-12-13 20:12:49,637 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 517 transitions. Word has length 82 [2022-12-13 20:12:49,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:49,637 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 517 transitions. [2022-12-13 20:12:49,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 517 transitions. [2022-12-13 20:12:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 20:12:49,637 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:49,638 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] [2022-12-13 20:12:49,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 20:12:49,638 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:49,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:49,638 INFO L85 PathProgramCache]: Analyzing trace with hash -647233403, now seen corresponding path program 1 times [2022-12-13 20:12:49,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:49,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180827443] [2022-12-13 20:12:49,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:49,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:49,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:49,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180827443] [2022-12-13 20:12:49,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180827443] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:49,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:49,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:49,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657986791] [2022-12-13 20:12:49,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:49,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:49,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:49,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:49,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:49,803 INFO L87 Difference]: Start difference. First operand 422 states and 517 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:50,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:50,822 INFO L93 Difference]: Finished difference Result 793 states and 1004 transitions. [2022-12-13 20:12:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:50,823 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-12-13 20:12:50,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:50,824 INFO L225 Difference]: With dead ends: 793 [2022-12-13 20:12:50,824 INFO L226 Difference]: Without dead ends: 774 [2022-12-13 20:12:50,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:50,825 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 1881 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 2452 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:50,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1881 Valid, 2452 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1589 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:12:50,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-12-13 20:12:50,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 422. [2022-12-13 20:12:50,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.270935960591133) internal successors, (516), 421 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 516 transitions. [2022-12-13 20:12:50,905 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 516 transitions. Word has length 83 [2022-12-13 20:12:50,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:50,905 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 516 transitions. [2022-12-13 20:12:50,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:50,906 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 516 transitions. [2022-12-13 20:12:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 20:12:50,906 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:50,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:50,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 20:12:50,906 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:50,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:50,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2136665467, now seen corresponding path program 1 times [2022-12-13 20:12:50,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:50,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482638163] [2022-12-13 20:12:50,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:50,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:51,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:51,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:51,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482638163] [2022-12-13 20:12:51,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482638163] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:51,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:51,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:51,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794282621] [2022-12-13 20:12:51,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:51,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:51,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:51,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:51,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:51,039 INFO L87 Difference]: Start difference. First operand 422 states and 516 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:51,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:51,903 INFO L93 Difference]: Finished difference Result 829 states and 1056 transitions. [2022-12-13 20:12:51,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:51,903 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-12-13 20:12:51,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:51,904 INFO L225 Difference]: With dead ends: 829 [2022-12-13 20:12:51,905 INFO L226 Difference]: Without dead ends: 758 [2022-12-13 20:12:51,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:51,905 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 1511 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1511 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:51,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1511 Valid, 1703 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:12:51,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2022-12-13 20:12:52,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 422. [2022-12-13 20:12:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2684729064039408) internal successors, (515), 421 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 515 transitions. [2022-12-13 20:12:52,005 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 515 transitions. Word has length 83 [2022-12-13 20:12:52,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:52,005 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 515 transitions. [2022-12-13 20:12:52,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 515 transitions. [2022-12-13 20:12:52,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 20:12:52,005 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:52,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:52,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 20:12:52,006 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:52,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:52,006 INFO L85 PathProgramCache]: Analyzing trace with hash -609215547, now seen corresponding path program 1 times [2022-12-13 20:12:52,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:52,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999056028] [2022-12-13 20:12:52,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:52,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:52,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:52,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:52,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999056028] [2022-12-13 20:12:52,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999056028] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:52,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:52,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:52,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478361087] [2022-12-13 20:12:52,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:52,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:52,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:52,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:52,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:52,207 INFO L87 Difference]: Start difference. First operand 422 states and 515 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:53,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:53,200 INFO L93 Difference]: Finished difference Result 858 states and 1097 transitions. [2022-12-13 20:12:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:53,200 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-12-13 20:12:53,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:53,205 INFO L225 Difference]: With dead ends: 858 [2022-12-13 20:12:53,205 INFO L226 Difference]: Without dead ends: 774 [2022-12-13 20:12:53,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:53,206 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 1964 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 2348 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:53,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 2348 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:12:53,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-12-13 20:12:53,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 422. [2022-12-13 20:12:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2660098522167487) internal successors, (514), 421 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 514 transitions. [2022-12-13 20:12:53,367 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 514 transitions. Word has length 83 [2022-12-13 20:12:53,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:53,367 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 514 transitions. [2022-12-13 20:12:53,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 514 transitions. [2022-12-13 20:12:53,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 20:12:53,368 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:53,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:53,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 20:12:53,369 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:53,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:53,369 INFO L85 PathProgramCache]: Analyzing trace with hash -2078948027, now seen corresponding path program 1 times [2022-12-13 20:12:53,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:53,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128783985] [2022-12-13 20:12:53,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:53,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:53,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:53,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128783985] [2022-12-13 20:12:53,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128783985] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:53,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:53,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:53,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872696202] [2022-12-13 20:12:53,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:53,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:53,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:53,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:53,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:53,529 INFO L87 Difference]: Start difference. First operand 422 states and 514 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:54,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:54,394 INFO L93 Difference]: Finished difference Result 891 states and 1142 transitions. [2022-12-13 20:12:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:54,394 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-12-13 20:12:54,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:54,395 INFO L225 Difference]: With dead ends: 891 [2022-12-13 20:12:54,395 INFO L226 Difference]: Without dead ends: 782 [2022-12-13 20:12:54,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:54,396 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 1269 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 2277 SdHoareTripleChecker+Invalid, 1519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:54,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 2277 Invalid, 1519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:54,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2022-12-13 20:12:54,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 422. [2022-12-13 20:12:54,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2635467980295567) internal successors, (513), 421 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 513 transitions. [2022-12-13 20:12:54,481 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 513 transitions. Word has length 83 [2022-12-13 20:12:54,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:54,481 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 513 transitions. [2022-12-13 20:12:54,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:54,481 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 513 transitions. [2022-12-13 20:12:54,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 20:12:54,482 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:54,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:54,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 20:12:54,482 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:54,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:54,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1135938619, now seen corresponding path program 1 times [2022-12-13 20:12:54,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:54,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143075303] [2022-12-13 20:12:54,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:54,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:54,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:54,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143075303] [2022-12-13 20:12:54,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143075303] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:54,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:54,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:54,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350091822] [2022-12-13 20:12:54,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:54,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:54,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:54,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:54,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:54,678 INFO L87 Difference]: Start difference. First operand 422 states and 513 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:55,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:55,685 INFO L93 Difference]: Finished difference Result 829 states and 1053 transitions. [2022-12-13 20:12:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:55,686 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-12-13 20:12:55,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:55,688 INFO L225 Difference]: With dead ends: 829 [2022-12-13 20:12:55,688 INFO L226 Difference]: Without dead ends: 758 [2022-12-13 20:12:55,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:55,689 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 2470 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2470 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:55,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2470 Valid, 2200 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:12:55,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2022-12-13 20:12:55,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 422. [2022-12-13 20:12:55,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2610837438423645) internal successors, (512), 421 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:55,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 512 transitions. [2022-12-13 20:12:55,778 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 512 transitions. Word has length 83 [2022-12-13 20:12:55,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:55,778 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 512 transitions. [2022-12-13 20:12:55,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 512 transitions. [2022-12-13 20:12:55,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 20:12:55,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:55,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:55,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-13 20:12:55,779 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:55,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:55,779 INFO L85 PathProgramCache]: Analyzing trace with hash -120186235, now seen corresponding path program 1 times [2022-12-13 20:12:55,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:55,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341048672] [2022-12-13 20:12:55,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:55,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:55,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:55,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341048672] [2022-12-13 20:12:55,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341048672] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:55,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:55,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:12:55,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756342552] [2022-12-13 20:12:55,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:55,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:12:55,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:55,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:12:55,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:12:55,938 INFO L87 Difference]: Start difference. First operand 422 states and 512 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:57,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:12:57,219 INFO L93 Difference]: Finished difference Result 858 states and 1093 transitions. [2022-12-13 20:12:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:12:57,220 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-12-13 20:12:57,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:12:57,221 INFO L225 Difference]: With dead ends: 858 [2022-12-13 20:12:57,221 INFO L226 Difference]: Without dead ends: 774 [2022-12-13 20:12:57,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:12:57,222 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 1727 mSDsluCounter, 2198 mSDsCounter, 0 mSdLazyCounter, 1766 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 1771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:12:57,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1727 Valid, 2785 Invalid, 1771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1766 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 20:12:57,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-12-13 20:12:57,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 422. [2022-12-13 20:12:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2586206896551724) internal successors, (511), 421 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:57,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 511 transitions. [2022-12-13 20:12:57,312 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 511 transitions. Word has length 83 [2022-12-13 20:12:57,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:12:57,312 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 511 transitions. [2022-12-13 20:12:57,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:12:57,312 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 511 transitions. [2022-12-13 20:12:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 20:12:57,312 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:12:57,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:12:57,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-13 20:12:57,313 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:12:57,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:12:57,313 INFO L85 PathProgramCache]: Analyzing trace with hash 901356690, now seen corresponding path program 1 times [2022-12-13 20:12:57,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:12:57,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147450299] [2022-12-13 20:12:57,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:12:57,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:12:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:12:58,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:12:58,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:12:58,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147450299] [2022-12-13 20:12:58,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147450299] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:12:58,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:12:58,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-12-13 20:12:58,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435669226] [2022-12-13 20:12:58,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:12:58,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 20:12:58,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:12:58,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 20:12:58,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=696, Unknown=0, NotChecked=0, Total=756 [2022-12-13 20:12:58,428 INFO L87 Difference]: Start difference. First operand 422 states and 511 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:06,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:06,019 INFO L93 Difference]: Finished difference Result 1570 states and 1926 transitions. [2022-12-13 20:13:06,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 20:13:06,020 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-12-13 20:13:06,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:06,022 INFO L225 Difference]: With dead ends: 1570 [2022-12-13 20:13:06,022 INFO L226 Difference]: Without dead ends: 1497 [2022-12-13 20:13:06,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=444, Invalid=2418, Unknown=0, NotChecked=0, Total=2862 [2022-12-13 20:13:06,023 INFO L413 NwaCegarLoop]: 1428 mSDtfsCounter, 4657 mSDsluCounter, 19705 mSDsCounter, 0 mSdLazyCounter, 10247 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4657 SdHoareTripleChecker+Valid, 21133 SdHoareTripleChecker+Invalid, 10263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 10247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:06,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4657 Valid, 21133 Invalid, 10263 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 10247 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-12-13 20:13:06,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2022-12-13 20:13:06,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 443. [2022-12-13 20:13:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 427 states have (on average 1.2576112412177987) internal successors, (537), 442 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:06,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 537 transitions. [2022-12-13 20:13:06,159 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 537 transitions. Word has length 84 [2022-12-13 20:13:06,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:06,159 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 537 transitions. [2022-12-13 20:13:06,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:06,159 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 537 transitions. [2022-12-13 20:13:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 20:13:06,160 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:06,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:06,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-13 20:13:06,160 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:06,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:06,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1803038574, now seen corresponding path program 1 times [2022-12-13 20:13:06,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:06,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740179332] [2022-12-13 20:13:06,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:06,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:07,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:07,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740179332] [2022-12-13 20:13:07,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740179332] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:07,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:07,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-12-13 20:13:07,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024658882] [2022-12-13 20:13:07,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:07,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 20:13:07,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:07,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 20:13:07,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=696, Unknown=0, NotChecked=0, Total=756 [2022-12-13 20:13:07,314 INFO L87 Difference]: Start difference. First operand 443 states and 537 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:15,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:15,617 INFO L93 Difference]: Finished difference Result 1569 states and 1925 transitions. [2022-12-13 20:13:15,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 20:13:15,618 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-12-13 20:13:15,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:15,621 INFO L225 Difference]: With dead ends: 1569 [2022-12-13 20:13:15,621 INFO L226 Difference]: Without dead ends: 1496 [2022-12-13 20:13:15,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=404, Invalid=2352, Unknown=0, NotChecked=0, Total=2756 [2022-12-13 20:13:15,622 INFO L413 NwaCegarLoop]: 1412 mSDtfsCounter, 4120 mSDsluCounter, 21200 mSDsCounter, 0 mSdLazyCounter, 11063 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4120 SdHoareTripleChecker+Valid, 22612 SdHoareTripleChecker+Invalid, 11079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 11063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:15,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4120 Valid, 22612 Invalid, 11079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 11063 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-12-13 20:13:15,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2022-12-13 20:13:15,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 454. [2022-12-13 20:13:15,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 438 states have (on average 1.2557077625570776) internal successors, (550), 453 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:15,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 550 transitions. [2022-12-13 20:13:15,768 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 550 transitions. Word has length 84 [2022-12-13 20:13:15,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:15,768 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 550 transitions. [2022-12-13 20:13:15,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:15,768 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 550 transitions. [2022-12-13 20:13:15,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 20:13:15,768 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:15,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:15,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-13 20:13:15,769 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:15,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:15,769 INFO L85 PathProgramCache]: Analyzing trace with hash 469045170, now seen corresponding path program 1 times [2022-12-13 20:13:15,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:15,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077830758] [2022-12-13 20:13:15,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:15,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:16,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:16,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077830758] [2022-12-13 20:13:16,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077830758] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:16,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:16,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-12-13 20:13:16,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137787634] [2022-12-13 20:13:16,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:16,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 20:13:16,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:16,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 20:13:16,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2022-12-13 20:13:16,761 INFO L87 Difference]: Start difference. First operand 454 states and 550 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:24,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:24,261 INFO L93 Difference]: Finished difference Result 1688 states and 2104 transitions. [2022-12-13 20:13:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 20:13:24,262 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-12-13 20:13:24,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:24,264 INFO L225 Difference]: With dead ends: 1688 [2022-12-13 20:13:24,264 INFO L226 Difference]: Without dead ends: 1619 [2022-12-13 20:13:24,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=379, Invalid=2171, Unknown=0, NotChecked=0, Total=2550 [2022-12-13 20:13:24,265 INFO L413 NwaCegarLoop]: 1394 mSDtfsCounter, 4493 mSDsluCounter, 22318 mSDsCounter, 0 mSdLazyCounter, 11295 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4493 SdHoareTripleChecker+Valid, 23712 SdHoareTripleChecker+Invalid, 11310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 11295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:24,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4493 Valid, 23712 Invalid, 11310 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 11295 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-12-13 20:13:24,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2022-12-13 20:13:24,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 459. [2022-12-13 20:13:24,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 443 states have (on average 1.255079006772009) internal successors, (556), 458 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:24,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 556 transitions. [2022-12-13 20:13:24,421 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 556 transitions. Word has length 84 [2022-12-13 20:13:24,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:24,421 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 556 transitions. [2022-12-13 20:13:24,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:24,422 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 556 transitions. [2022-12-13 20:13:24,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 20:13:24,422 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:24,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:24,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-13 20:13:24,422 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:24,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:24,422 INFO L85 PathProgramCache]: Analyzing trace with hash 2078732722, now seen corresponding path program 1 times [2022-12-13 20:13:24,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:24,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462779870] [2022-12-13 20:13:24,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:24,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:24,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:24,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:24,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462779870] [2022-12-13 20:13:24,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462779870] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:24,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:24,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 20:13:24,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791588198] [2022-12-13 20:13:24,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:24,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 20:13:24,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:24,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 20:13:24,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:13:24,814 INFO L87 Difference]: Start difference. First operand 459 states and 556 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:26,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:26,980 INFO L93 Difference]: Finished difference Result 1410 states and 1808 transitions. [2022-12-13 20:13:26,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 20:13:26,981 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-12-13 20:13:26,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:26,983 INFO L225 Difference]: With dead ends: 1410 [2022-12-13 20:13:26,983 INFO L226 Difference]: Without dead ends: 1344 [2022-12-13 20:13:26,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-12-13 20:13:26,984 INFO L413 NwaCegarLoop]: 729 mSDtfsCounter, 2946 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2946 SdHoareTripleChecker+Valid, 5949 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:26,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2946 Valid, 5949 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 20:13:26,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2022-12-13 20:13:27,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 458. [2022-12-13 20:13:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 442 states have (on average 1.253393665158371) internal successors, (554), 457 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 554 transitions. [2022-12-13 20:13:27,160 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 554 transitions. Word has length 84 [2022-12-13 20:13:27,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:27,160 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 554 transitions. [2022-12-13 20:13:27,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:27,161 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 554 transitions. [2022-12-13 20:13:27,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 20:13:27,161 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:27,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:27,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-13 20:13:27,161 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:27,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:27,162 INFO L85 PathProgramCache]: Analyzing trace with hash -918543470, now seen corresponding path program 1 times [2022-12-13 20:13:27,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:27,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5812745] [2022-12-13 20:13:27,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:27,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:27,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:27,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:27,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5812745] [2022-12-13 20:13:27,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5812745] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:27,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:27,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 20:13:27,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582366676] [2022-12-13 20:13:27,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:27,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 20:13:27,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:27,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 20:13:27,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:13:27,525 INFO L87 Difference]: Start difference. First operand 458 states and 554 transitions. Second operand has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:28,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:28,702 INFO L93 Difference]: Finished difference Result 1109 states and 1394 transitions. [2022-12-13 20:13:28,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 20:13:28,703 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-12-13 20:13:28,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:28,704 INFO L225 Difference]: With dead ends: 1109 [2022-12-13 20:13:28,704 INFO L226 Difference]: Without dead ends: 912 [2022-12-13 20:13:28,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-12-13 20:13:28,705 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 3204 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3204 SdHoareTripleChecker+Valid, 2269 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:28,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3204 Valid, 2269 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:13:28,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2022-12-13 20:13:28,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 326. [2022-12-13 20:13:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 315 states have (on average 1.2444444444444445) internal successors, (392), 325 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:28,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 392 transitions. [2022-12-13 20:13:28,842 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 392 transitions. Word has length 84 [2022-12-13 20:13:28,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:28,842 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 392 transitions. [2022-12-13 20:13:28,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 392 transitions. [2022-12-13 20:13:28,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 20:13:28,843 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:28,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:28,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-13 20:13:28,843 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:28,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:28,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1485088950, now seen corresponding path program 1 times [2022-12-13 20:13:28,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:28,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952789411] [2022-12-13 20:13:28,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:28,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:29,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:29,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952789411] [2022-12-13 20:13:29,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952789411] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:29,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:29,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 20:13:29,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10246559] [2022-12-13 20:13:29,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:29,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 20:13:29,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:29,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 20:13:29,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:13:29,125 INFO L87 Difference]: Start difference. First operand 326 states and 392 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:30,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:30,015 INFO L93 Difference]: Finished difference Result 847 states and 1075 transitions. [2022-12-13 20:13:30,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 20:13:30,016 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-12-13 20:13:30,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:30,017 INFO L225 Difference]: With dead ends: 847 [2022-12-13 20:13:30,017 INFO L226 Difference]: Without dead ends: 682 [2022-12-13 20:13:30,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-12-13 20:13:30,017 INFO L413 NwaCegarLoop]: 798 mSDtfsCounter, 1630 mSDsluCounter, 3464 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 4262 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:30,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 4262 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:13:30,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2022-12-13 20:13:30,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 219. [2022-12-13 20:13:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 212 states have (on average 1.25) internal successors, (265), 218 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 265 transitions. [2022-12-13 20:13:30,132 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 265 transitions. Word has length 85 [2022-12-13 20:13:30,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:30,132 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 265 transitions. [2022-12-13 20:13:30,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 265 transitions. [2022-12-13 20:13:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 20:13:30,132 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:30,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:30,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-13 20:13:30,133 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:30,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:30,133 INFO L85 PathProgramCache]: Analyzing trace with hash -249178582, now seen corresponding path program 1 times [2022-12-13 20:13:30,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:30,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056681732] [2022-12-13 20:13:30,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:30,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:30,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:30,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056681732] [2022-12-13 20:13:30,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056681732] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:30,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:30,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 20:13:30,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479116372] [2022-12-13 20:13:30,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:30,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 20:13:30,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:30,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 20:13:30,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:13:30,509 INFO L87 Difference]: Start difference. First operand 219 states and 265 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:31,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:31,553 INFO L93 Difference]: Finished difference Result 578 states and 744 transitions. [2022-12-13 20:13:31,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:13:31,553 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-12-13 20:13:31,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:31,554 INFO L225 Difference]: With dead ends: 578 [2022-12-13 20:13:31,554 INFO L226 Difference]: Without dead ends: 509 [2022-12-13 20:13:31,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2022-12-13 20:13:31,555 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 1521 mSDsluCounter, 2175 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 2594 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:31,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1521 Valid, 2594 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:13:31,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-12-13 20:13:31,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 215. [2022-12-13 20:13:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 209 states have (on average 1.244019138755981) internal successors, (260), 214 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:31,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 260 transitions. [2022-12-13 20:13:31,706 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 260 transitions. Word has length 85 [2022-12-13 20:13:31,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:31,706 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 260 transitions. [2022-12-13 20:13:31,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:31,706 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 260 transitions. [2022-12-13 20:13:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 20:13:31,706 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:31,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:31,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-13 20:13:31,707 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:31,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:31,707 INFO L85 PathProgramCache]: Analyzing trace with hash 690370282, now seen corresponding path program 1 times [2022-12-13 20:13:31,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:31,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656653714] [2022-12-13 20:13:31,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:31,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:32,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:32,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656653714] [2022-12-13 20:13:32,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656653714] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:32,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:32,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 20:13:32,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477611216] [2022-12-13 20:13:32,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:32,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 20:13:32,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:32,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 20:13:32,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:13:32,048 INFO L87 Difference]: Start difference. First operand 215 states and 260 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:33,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:33,017 INFO L93 Difference]: Finished difference Result 578 states and 742 transitions. [2022-12-13 20:13:33,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 20:13:33,017 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-12-13 20:13:33,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:33,018 INFO L225 Difference]: With dead ends: 578 [2022-12-13 20:13:33,018 INFO L226 Difference]: Without dead ends: 509 [2022-12-13 20:13:33,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-12-13 20:13:33,019 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 1432 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 2666 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:33,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1432 Valid, 2666 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:13:33,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-12-13 20:13:33,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 211. [2022-12-13 20:13:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 206 states have (on average 1.2378640776699028) internal successors, (255), 210 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 255 transitions. [2022-12-13 20:13:33,128 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 255 transitions. Word has length 85 [2022-12-13 20:13:33,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:33,129 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 255 transitions. [2022-12-13 20:13:33,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 255 transitions. [2022-12-13 20:13:33,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 20:13:33,129 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:33,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:33,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-13 20:13:33,130 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:33,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:33,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1516218390, now seen corresponding path program 1 times [2022-12-13 20:13:33,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:33,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529953542] [2022-12-13 20:13:33,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:33,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:34,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:34,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529953542] [2022-12-13 20:13:34,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529953542] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:34,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:34,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-12-13 20:13:34,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695473157] [2022-12-13 20:13:34,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:34,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-12-13 20:13:34,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:34,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-12-13 20:13:34,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2022-12-13 20:13:34,446 INFO L87 Difference]: Start difference. First operand 211 states and 255 transitions. Second operand has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:41,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:41,104 INFO L93 Difference]: Finished difference Result 1318 states and 1759 transitions. [2022-12-13 20:13:41,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 20:13:41,104 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-12-13 20:13:41,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:41,106 INFO L225 Difference]: With dead ends: 1318 [2022-12-13 20:13:41,106 INFO L226 Difference]: Without dead ends: 1246 [2022-12-13 20:13:41,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=549, Invalid=2757, Unknown=0, NotChecked=0, Total=3306 [2022-12-13 20:13:41,109 INFO L413 NwaCegarLoop]: 826 mSDtfsCounter, 2630 mSDsluCounter, 11058 mSDsCounter, 0 mSdLazyCounter, 5091 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 11884 SdHoareTripleChecker+Invalid, 5108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 5091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:41,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 11884 Invalid, 5108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 5091 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 20:13:41,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2022-12-13 20:13:41,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 231. [2022-12-13 20:13:41,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 226 states have (on average 1.238938053097345) internal successors, (280), 230 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:41,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 280 transitions. [2022-12-13 20:13:41,337 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 280 transitions. Word has length 85 [2022-12-13 20:13:41,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:41,338 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 280 transitions. [2022-12-13 20:13:41,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 280 transitions. [2022-12-13 20:13:41,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 20:13:41,338 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:41,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:41,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-13 20:13:41,339 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:41,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:41,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1855795338, now seen corresponding path program 1 times [2022-12-13 20:13:41,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:41,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841272718] [2022-12-13 20:13:41,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:41,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:41,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:41,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841272718] [2022-12-13 20:13:41,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841272718] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:41,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:41,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 20:13:41,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800339547] [2022-12-13 20:13:41,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:41,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 20:13:41,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:41,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 20:13:41,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:13:41,612 INFO L87 Difference]: Start difference. First operand 231 states and 280 transitions. Second operand has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:42,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:42,455 INFO L93 Difference]: Finished difference Result 621 states and 810 transitions. [2022-12-13 20:13:42,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 20:13:42,455 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-12-13 20:13:42,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:42,456 INFO L225 Difference]: With dead ends: 621 [2022-12-13 20:13:42,456 INFO L226 Difference]: Without dead ends: 518 [2022-12-13 20:13:42,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2022-12-13 20:13:42,456 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 857 mSDsluCounter, 2304 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 2894 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:42,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 2894 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:13:42,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-12-13 20:13:42,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 180. [2022-12-13 20:13:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 177 states have (on average 1.2372881355932204) internal successors, (219), 179 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 219 transitions. [2022-12-13 20:13:42,568 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 219 transitions. Word has length 86 [2022-12-13 20:13:42,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:42,568 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 219 transitions. [2022-12-13 20:13:42,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 219 transitions. [2022-12-13 20:13:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-13 20:13:42,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:42,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:42,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-13 20:13:42,569 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:42,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:42,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1665825514, now seen corresponding path program 1 times [2022-12-13 20:13:42,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:42,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31199782] [2022-12-13 20:13:42,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:42,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:42,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:42,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31199782] [2022-12-13 20:13:42,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31199782] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:42,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:42,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:13:42,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102584397] [2022-12-13 20:13:42,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:42,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:13:42,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:42,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:13:42,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:13:42,706 INFO L87 Difference]: Start difference. First operand 180 states and 219 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:43,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:43,225 INFO L93 Difference]: Finished difference Result 276 states and 346 transitions. [2022-12-13 20:13:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 20:13:43,225 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-12-13 20:13:43,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:43,226 INFO L225 Difference]: With dead ends: 276 [2022-12-13 20:13:43,226 INFO L226 Difference]: Without dead ends: 268 [2022-12-13 20:13:43,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2022-12-13 20:13:43,226 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 898 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:43,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 538 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:13:43,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-12-13 20:13:43,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 180. [2022-12-13 20:13:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 177 states have (on average 1.231638418079096) internal successors, (218), 179 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:43,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 218 transitions. [2022-12-13 20:13:43,338 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 218 transitions. Word has length 87 [2022-12-13 20:13:43,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:43,338 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 218 transitions. [2022-12-13 20:13:43,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 218 transitions. [2022-12-13 20:13:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-13 20:13:43,338 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:43,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:43,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-12-13 20:13:43,339 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:43,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:43,339 INFO L85 PathProgramCache]: Analyzing trace with hash -309288342, now seen corresponding path program 1 times [2022-12-13 20:13:43,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:43,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314309730] [2022-12-13 20:13:43,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:43,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:43,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:43,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314309730] [2022-12-13 20:13:43,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314309730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:43,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:43,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:13:43,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780047730] [2022-12-13 20:13:43,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:43,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:13:43,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:43,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:13:43,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:13:43,481 INFO L87 Difference]: Start difference. First operand 180 states and 218 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:44,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:44,068 INFO L93 Difference]: Finished difference Result 373 states and 478 transitions. [2022-12-13 20:13:44,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 20:13:44,068 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-12-13 20:13:44,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:44,069 INFO L225 Difference]: With dead ends: 373 [2022-12-13 20:13:44,069 INFO L226 Difference]: Without dead ends: 288 [2022-12-13 20:13:44,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2022-12-13 20:13:44,069 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 969 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:44,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 736 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:13:44,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-12-13 20:13:44,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 180. [2022-12-13 20:13:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 177 states have (on average 1.2259887005649717) internal successors, (217), 179 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 217 transitions. [2022-12-13 20:13:44,182 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 217 transitions. Word has length 87 [2022-12-13 20:13:44,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:44,182 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 217 transitions. [2022-12-13 20:13:44,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 217 transitions. [2022-12-13 20:13:44,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-13 20:13:44,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:44,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:44,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-13 20:13:44,182 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:44,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:44,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1594060367, now seen corresponding path program 1 times [2022-12-13 20:13:44,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:44,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516499101] [2022-12-13 20:13:44,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:44,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:45,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:45,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516499101] [2022-12-13 20:13:45,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516499101] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:45,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:45,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-12-13 20:13:45,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074665737] [2022-12-13 20:13:45,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:45,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 20:13:45,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:45,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 20:13:45,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2022-12-13 20:13:45,511 INFO L87 Difference]: Start difference. First operand 180 states and 217 transitions. Second operand has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:52,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:52,525 INFO L93 Difference]: Finished difference Result 1006 states and 1334 transitions. [2022-12-13 20:13:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 20:13:52,526 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-12-13 20:13:52,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:52,527 INFO L225 Difference]: With dead ends: 1006 [2022-12-13 20:13:52,527 INFO L226 Difference]: Without dead ends: 1000 [2022-12-13 20:13:52,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=378, Invalid=2172, Unknown=0, NotChecked=0, Total=2550 [2022-12-13 20:13:52,528 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 2169 mSDsluCounter, 11739 mSDsCounter, 0 mSdLazyCounter, 5716 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2169 SdHoareTripleChecker+Valid, 12454 SdHoareTripleChecker+Invalid, 5727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 5716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:52,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2169 Valid, 12454 Invalid, 5727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 5716 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-13 20:13:52,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2022-12-13 20:13:52,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 205. [2022-12-13 20:13:52,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 202 states have (on average 1.2227722772277227) internal successors, (247), 204 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 247 transitions. [2022-12-13 20:13:52,671 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 247 transitions. Word has length 89 [2022-12-13 20:13:52,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:52,671 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 247 transitions. [2022-12-13 20:13:52,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:52,671 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 247 transitions. [2022-12-13 20:13:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-13 20:13:52,671 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:52,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:52,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-12-13 20:13:52,672 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:52,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:52,672 INFO L85 PathProgramCache]: Analyzing trace with hash -543104753, now seen corresponding path program 1 times [2022-12-13 20:13:52,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:52,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283927298] [2022-12-13 20:13:52,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:52,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:53,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:53,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283927298] [2022-12-13 20:13:53,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283927298] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:53,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:53,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-12-13 20:13:53,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321843893] [2022-12-13 20:13:53,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:53,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-13 20:13:53,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:53,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-13 20:13:53,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=596, Unknown=0, NotChecked=0, Total=650 [2022-12-13 20:13:53,827 INFO L87 Difference]: Start difference. First operand 205 states and 247 transitions. Second operand has 26 states, 26 states have (on average 3.423076923076923) internal successors, (89), 26 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:58,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:13:58,335 INFO L93 Difference]: Finished difference Result 738 states and 945 transitions. [2022-12-13 20:13:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 20:13:58,336 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.423076923076923) internal successors, (89), 26 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-12-13 20:13:58,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:13:58,336 INFO L225 Difference]: With dead ends: 738 [2022-12-13 20:13:58,336 INFO L226 Difference]: Without dead ends: 729 [2022-12-13 20:13:58,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=338, Invalid=1918, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 20:13:58,337 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1569 mSDsluCounter, 10181 mSDsCounter, 0 mSdLazyCounter, 4896 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1569 SdHoareTripleChecker+Valid, 10826 SdHoareTripleChecker+Invalid, 4909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:13:58,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1569 Valid, 10826 Invalid, 4909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4896 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 20:13:58,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2022-12-13 20:13:58,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 209. [2022-12-13 20:13:58,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 206 states have (on average 1.2233009708737863) internal successors, (252), 208 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 252 transitions. [2022-12-13 20:13:58,479 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 252 transitions. Word has length 89 [2022-12-13 20:13:58,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:13:58,479 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 252 transitions. [2022-12-13 20:13:58,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.423076923076923) internal successors, (89), 26 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:13:58,479 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 252 transitions. [2022-12-13 20:13:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-13 20:13:58,480 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:13:58,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:13:58,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-13 20:13:58,480 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:13:58,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:13:58,480 INFO L85 PathProgramCache]: Analyzing trace with hash 916649711, now seen corresponding path program 1 times [2022-12-13 20:13:58,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:13:58,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729374576] [2022-12-13 20:13:58,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:13:58,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:13:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:13:58,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:13:58,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:13:58,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729374576] [2022-12-13 20:13:58,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729374576] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:13:58,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:13:58,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 20:13:58,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120754748] [2022-12-13 20:13:58,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:13:58,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 20:13:58,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:13:58,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 20:13:58,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:13:58,808 INFO L87 Difference]: Start difference. First operand 209 states and 252 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:00,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:00,348 INFO L93 Difference]: Finished difference Result 718 states and 973 transitions. [2022-12-13 20:14:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 20:14:00,348 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-12-13 20:14:00,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:00,349 INFO L225 Difference]: With dead ends: 718 [2022-12-13 20:14:00,349 INFO L226 Difference]: Without dead ends: 712 [2022-12-13 20:14:00,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-12-13 20:14:00,350 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 1251 mSDsluCounter, 3494 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 3952 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:00,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 3952 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:14:00,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2022-12-13 20:14:00,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 196. [2022-12-13 20:14:00,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 194 states have (on average 1.2216494845360826) internal successors, (237), 195 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:00,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 237 transitions. [2022-12-13 20:14:00,504 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 237 transitions. Word has length 90 [2022-12-13 20:14:00,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:00,504 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 237 transitions. [2022-12-13 20:14:00,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:00,504 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 237 transitions. [2022-12-13 20:14:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-13 20:14:00,505 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:00,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:00,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-13 20:14:00,505 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:00,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:00,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1220515409, now seen corresponding path program 1 times [2022-12-13 20:14:00,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:00,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734061524] [2022-12-13 20:14:00,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:00,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:00,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:00,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734061524] [2022-12-13 20:14:00,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734061524] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:00,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:00,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 20:14:00,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476761866] [2022-12-13 20:14:00,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:00,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 20:14:00,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:00,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 20:14:00,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:14:00,881 INFO L87 Difference]: Start difference. First operand 196 states and 237 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:02,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:02,368 INFO L93 Difference]: Finished difference Result 573 states and 772 transitions. [2022-12-13 20:14:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 20:14:02,368 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-12-13 20:14:02,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:02,369 INFO L225 Difference]: With dead ends: 573 [2022-12-13 20:14:02,369 INFO L226 Difference]: Without dead ends: 557 [2022-12-13 20:14:02,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-12-13 20:14:02,370 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 1177 mSDsluCounter, 3339 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 3815 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:02,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 3815 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:14:02,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2022-12-13 20:14:02,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 161. [2022-12-13 20:14:02,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.23125) internal successors, (197), 160 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 197 transitions. [2022-12-13 20:14:02,500 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 197 transitions. Word has length 90 [2022-12-13 20:14:02,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:02,500 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 197 transitions. [2022-12-13 20:14:02,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 197 transitions. [2022-12-13 20:14:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-13 20:14:02,501 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:02,501 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:02,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-12-13 20:14:02,501 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:02,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:02,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1829574929, now seen corresponding path program 1 times [2022-12-13 20:14:02,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:02,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506392585] [2022-12-13 20:14:02,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:02,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:02,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:02,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506392585] [2022-12-13 20:14:02,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506392585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:02,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:02,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:14:02,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617559742] [2022-12-13 20:14:02,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:02,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:14:02,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:02,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:14:02,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:14:02,597 INFO L87 Difference]: Start difference. First operand 161 states and 197 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:03,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:03,745 INFO L93 Difference]: Finished difference Result 811 states and 1147 transitions. [2022-12-13 20:14:03,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 20:14:03,745 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-12-13 20:14:03,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:03,746 INFO L225 Difference]: With dead ends: 811 [2022-12-13 20:14:03,746 INFO L226 Difference]: Without dead ends: 746 [2022-12-13 20:14:03,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-12-13 20:14:03,746 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1494 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:03,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 1375 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:14:03,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2022-12-13 20:14:03,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 224. [2022-12-13 20:14:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.295964125560538) internal successors, (289), 223 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 289 transitions. [2022-12-13 20:14:03,974 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 289 transitions. Word has length 118 [2022-12-13 20:14:03,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:03,975 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 289 transitions. [2022-12-13 20:14:03,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:03,975 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 289 transitions. [2022-12-13 20:14:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 20:14:03,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:03,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:03,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-12-13 20:14:03,975 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:03,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:03,976 INFO L85 PathProgramCache]: Analyzing trace with hash -58815912, now seen corresponding path program 1 times [2022-12-13 20:14:03,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:03,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294955013] [2022-12-13 20:14:03,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:03,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:04,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:04,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:04,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294955013] [2022-12-13 20:14:04,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294955013] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:04,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:04,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:14:04,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907642666] [2022-12-13 20:14:04,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:04,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:14:04,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:04,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:14:04,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:14:04,070 INFO L87 Difference]: Start difference. First operand 224 states and 289 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:05,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:05,253 INFO L93 Difference]: Finished difference Result 929 states and 1317 transitions. [2022-12-13 20:14:05,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:14:05,254 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-12-13 20:14:05,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:05,255 INFO L225 Difference]: With dead ends: 929 [2022-12-13 20:14:05,255 INFO L226 Difference]: Without dead ends: 801 [2022-12-13 20:14:05,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:14:05,256 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1173 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:05,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 945 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:14:05,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-12-13 20:14:05,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 350. [2022-12-13 20:14:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 349 states have (on average 1.3581661891117478) internal successors, (474), 349 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 474 transitions. [2022-12-13 20:14:05,673 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 474 transitions. Word has length 120 [2022-12-13 20:14:05,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:05,673 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 474 transitions. [2022-12-13 20:14:05,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 474 transitions. [2022-12-13 20:14:05,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 20:14:05,674 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:05,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:05,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-12-13 20:14:05,674 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:05,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:05,675 INFO L85 PathProgramCache]: Analyzing trace with hash 209861823, now seen corresponding path program 1 times [2022-12-13 20:14:05,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:05,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536011232] [2022-12-13 20:14:05,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:05,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:05,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:05,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:05,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536011232] [2022-12-13 20:14:05,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536011232] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:05,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:05,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:14:05,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544628400] [2022-12-13 20:14:05,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:05,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:14:05,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:05,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:14:05,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:14:05,713 INFO L87 Difference]: Start difference. First operand 350 states and 474 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:06,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:06,517 INFO L93 Difference]: Finished difference Result 832 states and 1172 transitions. [2022-12-13 20:14:06,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:14:06,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-12-13 20:14:06,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:06,518 INFO L225 Difference]: With dead ends: 832 [2022-12-13 20:14:06,518 INFO L226 Difference]: Without dead ends: 578 [2022-12-13 20:14:06,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:14:06,519 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 82 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:06,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 457 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:14:06,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-12-13 20:14:07,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 576. [2022-12-13 20:14:07,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 575 states have (on average 1.3756521739130434) internal successors, (791), 575 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 791 transitions. [2022-12-13 20:14:07,297 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 791 transitions. Word has length 120 [2022-12-13 20:14:07,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:07,297 INFO L495 AbstractCegarLoop]: Abstraction has 576 states and 791 transitions. [2022-12-13 20:14:07,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 791 transitions. [2022-12-13 20:14:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 20:14:07,298 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:07,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:07,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-12-13 20:14:07,298 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:07,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:07,298 INFO L85 PathProgramCache]: Analyzing trace with hash 276355335, now seen corresponding path program 1 times [2022-12-13 20:14:07,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:07,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810882780] [2022-12-13 20:14:07,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:07,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:07,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:07,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810882780] [2022-12-13 20:14:07,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810882780] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:07,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:07,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:14:07,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105611361] [2022-12-13 20:14:07,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:07,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:14:07,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:07,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:14:07,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:14:07,468 INFO L87 Difference]: Start difference. First operand 576 states and 791 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:08,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:08,381 INFO L93 Difference]: Finished difference Result 1058 states and 1481 transitions. [2022-12-13 20:14:08,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:14:08,382 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-12-13 20:14:08,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:08,382 INFO L225 Difference]: With dead ends: 1058 [2022-12-13 20:14:08,383 INFO L226 Difference]: Without dead ends: 578 [2022-12-13 20:14:08,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:14:08,383 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 394 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:08,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 553 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:14:08,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-12-13 20:14:09,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 576. [2022-12-13 20:14:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 575 states have (on average 1.3721739130434782) internal successors, (789), 575 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 789 transitions. [2022-12-13 20:14:09,229 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 789 transitions. Word has length 120 [2022-12-13 20:14:09,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:09,230 INFO L495 AbstractCegarLoop]: Abstraction has 576 states and 789 transitions. [2022-12-13 20:14:09,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 789 transitions. [2022-12-13 20:14:09,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 20:14:09,231 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:09,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:09,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-12-13 20:14:09,231 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:09,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:09,231 INFO L85 PathProgramCache]: Analyzing trace with hash -755626408, now seen corresponding path program 1 times [2022-12-13 20:14:09,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:09,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173889684] [2022-12-13 20:14:09,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:09,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:09,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:09,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173889684] [2022-12-13 20:14:09,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173889684] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:09,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:09,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:14:09,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282529338] [2022-12-13 20:14:09,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:09,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:14:09,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:09,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:14:09,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:14:09,331 INFO L87 Difference]: Start difference. First operand 576 states and 789 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:12,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:12,022 INFO L93 Difference]: Finished difference Result 1903 states and 2686 transitions. [2022-12-13 20:14:12,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:14:12,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-12-13 20:14:12,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:12,025 INFO L225 Difference]: With dead ends: 1903 [2022-12-13 20:14:12,025 INFO L226 Difference]: Without dead ends: 1662 [2022-12-13 20:14:12,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:14:12,025 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 1096 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:12,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 976 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:14:12,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2022-12-13 20:14:13,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 935. [2022-12-13 20:14:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 934 states have (on average 1.3940042826552463) internal successors, (1302), 934 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:13,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1302 transitions. [2022-12-13 20:14:13,427 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1302 transitions. Word has length 120 [2022-12-13 20:14:13,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:13,427 INFO L495 AbstractCegarLoop]: Abstraction has 935 states and 1302 transitions. [2022-12-13 20:14:13,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1302 transitions. [2022-12-13 20:14:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 20:14:13,428 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:13,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:13,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-12-13 20:14:13,429 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:13,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:13,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1539427416, now seen corresponding path program 1 times [2022-12-13 20:14:13,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:13,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251405464] [2022-12-13 20:14:13,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:13,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:13,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:13,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251405464] [2022-12-13 20:14:13,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251405464] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:13,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:13,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:14:13,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250202849] [2022-12-13 20:14:13,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:13,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:14:13,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:13,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:14:13,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:14:13,552 INFO L87 Difference]: Start difference. First operand 935 states and 1302 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:16,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:16,558 INFO L93 Difference]: Finished difference Result 2142 states and 3028 transitions. [2022-12-13 20:14:16,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:14:16,559 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-12-13 20:14:16,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:16,561 INFO L225 Difference]: With dead ends: 2142 [2022-12-13 20:14:16,561 INFO L226 Difference]: Without dead ends: 1901 [2022-12-13 20:14:16,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:14:16,561 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 1018 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:16,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 1042 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:14:16,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1901 states. [2022-12-13 20:14:18,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1901 to 1174. [2022-12-13 20:14:18,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1173 states have (on average 1.4015345268542199) internal successors, (1644), 1173 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:18,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1644 transitions. [2022-12-13 20:14:18,298 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1644 transitions. Word has length 120 [2022-12-13 20:14:18,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:18,299 INFO L495 AbstractCegarLoop]: Abstraction has 1174 states and 1644 transitions. [2022-12-13 20:14:18,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1644 transitions. [2022-12-13 20:14:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 20:14:18,299 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:18,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:18,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-12-13 20:14:18,299 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:18,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:18,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1420576856, now seen corresponding path program 1 times [2022-12-13 20:14:18,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:18,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241273248] [2022-12-13 20:14:18,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:18,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:18,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:18,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241273248] [2022-12-13 20:14:18,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241273248] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:18,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:18,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:14:18,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422303608] [2022-12-13 20:14:18,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:18,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:14:18,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:18,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:14:18,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:14:18,391 INFO L87 Difference]: Start difference. First operand 1174 states and 1644 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:21,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:21,829 INFO L93 Difference]: Finished difference Result 2381 states and 3370 transitions. [2022-12-13 20:14:21,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:14:21,829 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-12-13 20:14:21,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:21,831 INFO L225 Difference]: With dead ends: 2381 [2022-12-13 20:14:21,832 INFO L226 Difference]: Without dead ends: 2140 [2022-12-13 20:14:21,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:14:21,832 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 1048 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:21,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 1180 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:14:21,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2022-12-13 20:14:24,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1413. [2022-12-13 20:14:24,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 1412 states have (on average 1.406515580736544) internal successors, (1986), 1412 states have internal predecessors, (1986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:24,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 1986 transitions. [2022-12-13 20:14:24,011 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 1986 transitions. Word has length 120 [2022-12-13 20:14:24,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:24,011 INFO L495 AbstractCegarLoop]: Abstraction has 1413 states and 1986 transitions. [2022-12-13 20:14:24,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:24,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1986 transitions. [2022-12-13 20:14:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 20:14:24,012 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:24,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:24,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-12-13 20:14:24,012 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:24,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:24,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1137378904, now seen corresponding path program 1 times [2022-12-13 20:14:24,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:24,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224419725] [2022-12-13 20:14:24,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:24,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:24,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224419725] [2022-12-13 20:14:24,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224419725] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:24,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:24,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:14:24,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572435693] [2022-12-13 20:14:24,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:24,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:14:24,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:24,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:14:24,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:14:24,128 INFO L87 Difference]: Start difference. First operand 1413 states and 1986 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:28,039 INFO L93 Difference]: Finished difference Result 2620 states and 3712 transitions. [2022-12-13 20:14:28,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:14:28,040 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-12-13 20:14:28,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:28,042 INFO L225 Difference]: With dead ends: 2620 [2022-12-13 20:14:28,042 INFO L226 Difference]: Without dead ends: 2379 [2022-12-13 20:14:28,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:14:28,043 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1048 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:28,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 1066 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:14:28,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2379 states. [2022-12-13 20:14:30,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2379 to 1652. [2022-12-13 20:14:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1651 states have (on average 1.4100545124167172) internal successors, (2328), 1651 states have internal predecessors, (2328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:30,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2328 transitions. [2022-12-13 20:14:30,655 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2328 transitions. Word has length 120 [2022-12-13 20:14:30,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:30,655 INFO L495 AbstractCegarLoop]: Abstraction has 1652 states and 2328 transitions. [2022-12-13 20:14:30,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2328 transitions. [2022-12-13 20:14:30,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-13 20:14:30,656 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:30,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:30,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-12-13 20:14:30,656 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:30,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:30,656 INFO L85 PathProgramCache]: Analyzing trace with hash -2068457782, now seen corresponding path program 1 times [2022-12-13 20:14:30,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:30,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395816912] [2022-12-13 20:14:30,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:30,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:30,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:30,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:30,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395816912] [2022-12-13 20:14:30,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395816912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:30,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:30,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:14:30,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977382019] [2022-12-13 20:14:30,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:30,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:14:30,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:30,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:14:30,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:14:30,729 INFO L87 Difference]: Start difference. First operand 1652 states and 2328 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:35,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:35,059 INFO L93 Difference]: Finished difference Result 4127 states and 5843 transitions. [2022-12-13 20:14:35,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:14:35,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-12-13 20:14:35,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:35,063 INFO L225 Difference]: With dead ends: 4127 [2022-12-13 20:14:35,063 INFO L226 Difference]: Without dead ends: 2571 [2022-12-13 20:14:35,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:14:35,064 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 95 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:35,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 421 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:14:35,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2022-12-13 20:14:39,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2465. [2022-12-13 20:14:39,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2465 states, 2464 states have (on average 1.4042207792207793) internal successors, (3460), 2464 states have internal predecessors, (3460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3460 transitions. [2022-12-13 20:14:39,052 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 3460 transitions. Word has length 121 [2022-12-13 20:14:39,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:39,052 INFO L495 AbstractCegarLoop]: Abstraction has 2465 states and 3460 transitions. [2022-12-13 20:14:39,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 3460 transitions. [2022-12-13 20:14:39,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 20:14:39,053 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:39,053 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] [2022-12-13 20:14:39,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-12-13 20:14:39,054 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:39,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:39,054 INFO L85 PathProgramCache]: Analyzing trace with hash -969611133, now seen corresponding path program 1 times [2022-12-13 20:14:39,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:39,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258065792] [2022-12-13 20:14:39,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:39,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:39,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:39,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258065792] [2022-12-13 20:14:39,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258065792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:39,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:39,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:14:39,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139072515] [2022-12-13 20:14:39,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:39,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:14:39,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:39,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:14:39,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:14:39,117 INFO L87 Difference]: Start difference. First operand 2465 states and 3460 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:43,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:43,533 INFO L93 Difference]: Finished difference Result 4899 states and 6908 transitions. [2022-12-13 20:14:43,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:14:43,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-12-13 20:14:43,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:43,537 INFO L225 Difference]: With dead ends: 4899 [2022-12-13 20:14:43,537 INFO L226 Difference]: Without dead ends: 2530 [2022-12-13 20:14:43,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:14:43,540 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 110 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:43,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 319 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:14:43,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2022-12-13 20:14:47,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2528. [2022-12-13 20:14:47,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2528 states, 2527 states have (on average 1.3937475267115156) internal successors, (3522), 2527 states have internal predecessors, (3522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2528 states and 3522 transitions. [2022-12-13 20:14:47,653 INFO L78 Accepts]: Start accepts. Automaton has 2528 states and 3522 transitions. Word has length 122 [2022-12-13 20:14:47,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:47,653 INFO L495 AbstractCegarLoop]: Abstraction has 2528 states and 3522 transitions. [2022-12-13 20:14:47,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3522 transitions. [2022-12-13 20:14:47,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 20:14:47,653 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:47,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:47,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-12-13 20:14:47,654 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:14:47,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:47,654 INFO L85 PathProgramCache]: Analyzing trace with hash 627156676, now seen corresponding path program 1 times [2022-12-13 20:14:47,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:47,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416844925] [2022-12-13 20:14:47,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:47,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:47,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:47,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416844925] [2022-12-13 20:14:47,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416844925] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:47,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:47,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:14:47,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407906941] [2022-12-13 20:14:47,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:47,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:14:47,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:47,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:14:47,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:14:47,728 INFO L87 Difference]: Start difference. First operand 2528 states and 3522 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:55,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:55,811 INFO L93 Difference]: Finished difference Result 7232 states and 10082 transitions. [2022-12-13 20:14:55,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:14:55,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-12-13 20:14:55,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:55,816 INFO L225 Difference]: With dead ends: 7232 [2022-12-13 20:14:55,816 INFO L226 Difference]: Without dead ends: 4800 [2022-12-13 20:14:55,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:14:55,817 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 88 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:55,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:14:55,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4800 states. [2022-12-13 20:15:04,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4800 to 4638. [2022-12-13 20:15:04,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4638 states, 4637 states have (on average 1.3847315074401552) internal successors, (6421), 4637 states have internal predecessors, (6421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:15:04,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4638 states to 4638 states and 6421 transitions. [2022-12-13 20:15:04,267 INFO L78 Accepts]: Start accepts. Automaton has 4638 states and 6421 transitions. Word has length 122 [2022-12-13 20:15:04,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:15:04,267 INFO L495 AbstractCegarLoop]: Abstraction has 4638 states and 6421 transitions. [2022-12-13 20:15:04,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:15:04,267 INFO L276 IsEmpty]: Start isEmpty. Operand 4638 states and 6421 transitions. [2022-12-13 20:15:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-13 20:15:04,267 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:15:04,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:15:04,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-12-13 20:15:04,268 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:15:04,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:15:04,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1032814975, now seen corresponding path program 1 times [2022-12-13 20:15:04,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:15:04,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809394609] [2022-12-13 20:15:04,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:15:04,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:15:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:15:04,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:15:04,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809394609] [2022-12-13 20:15:04,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809394609] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:15:04,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:15:04,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:15:04,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308184447] [2022-12-13 20:15:04,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:15:04,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:15:04,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:15:04,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:15:04,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:15:04,342 INFO L87 Difference]: Start difference. First operand 4638 states and 6421 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:15:20,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:15:20,464 INFO L93 Difference]: Finished difference Result 13402 states and 18499 transitions. [2022-12-13 20:15:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:15:20,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-12-13 20:15:20,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:15:20,471 INFO L225 Difference]: With dead ends: 13402 [2022-12-13 20:15:20,471 INFO L226 Difference]: Without dead ends: 8860 [2022-12-13 20:15:20,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:15:20,474 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 81 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:15:20,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 419 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:15:20,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8860 states. [2022-12-13 20:15:35,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8860 to 8538. [2022-12-13 20:15:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8538 states, 8537 states have (on average 1.370387724024833) internal successors, (11699), 8537 states have internal predecessors, (11699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:15:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8538 states to 8538 states and 11699 transitions. [2022-12-13 20:15:35,574 INFO L78 Accepts]: Start accepts. Automaton has 8538 states and 11699 transitions. Word has length 123 [2022-12-13 20:15:35,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:15:35,574 INFO L495 AbstractCegarLoop]: Abstraction has 8538 states and 11699 transitions. [2022-12-13 20:15:35,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:15:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 8538 states and 11699 transitions. [2022-12-13 20:15:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 20:15:35,575 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:15:35,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:15:35,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-12-13 20:15:35,575 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:15:35,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:15:35,575 INFO L85 PathProgramCache]: Analyzing trace with hash -144687752, now seen corresponding path program 1 times [2022-12-13 20:15:35,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:15:35,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339286470] [2022-12-13 20:15:35,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:15:35,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:15:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:15:35,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:15:35,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339286470] [2022-12-13 20:15:35,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339286470] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:15:35,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:15:35,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:15:35,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917782599] [2022-12-13 20:15:35,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:15:35,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:15:35,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:15:35,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:15:35,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:15:35,650 INFO L87 Difference]: Start difference. First operand 8538 states and 11699 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:16:03,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:16:03,669 INFO L93 Difference]: Finished difference Result 24782 states and 33773 transitions. [2022-12-13 20:16:03,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:16:03,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-12-13 20:16:03,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:16:03,683 INFO L225 Difference]: With dead ends: 24782 [2022-12-13 20:16:03,684 INFO L226 Difference]: Without dead ends: 16340 [2022-12-13 20:16:03,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:16:03,690 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 74 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:16:03,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 419 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:16:03,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16340 states. [2022-12-13 20:16:30,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16340 to 15698. [2022-12-13 20:16:30,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15698 states, 15697 states have (on average 1.3515321398993438) internal successors, (21215), 15697 states have internal predecessors, (21215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:16:30,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15698 states to 15698 states and 21215 transitions. [2022-12-13 20:16:30,206 INFO L78 Accepts]: Start accepts. Automaton has 15698 states and 21215 transitions. Word has length 124 [2022-12-13 20:16:30,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:16:30,206 INFO L495 AbstractCegarLoop]: Abstraction has 15698 states and 21215 transitions. [2022-12-13 20:16:30,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:16:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand 15698 states and 21215 transitions. [2022-12-13 20:16:30,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-12-13 20:16:30,206 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:16:30,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:16:30,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-12-13 20:16:30,207 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:16:30,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:16:30,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1164457485, now seen corresponding path program 1 times [2022-12-13 20:16:30,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:16:30,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730039789] [2022-12-13 20:16:30,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:16:30,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:16:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:16:30,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:16:30,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730039789] [2022-12-13 20:16:30,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730039789] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:16:30,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:16:30,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:16:30,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186423194] [2022-12-13 20:16:30,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:16:30,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:16:30,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:16:30,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:16:30,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:16:30,282 INFO L87 Difference]: Start difference. First operand 15698 states and 21215 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:17:22,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:17:22,234 INFO L93 Difference]: Finished difference Result 45622 states and 61201 transitions. [2022-12-13 20:17:22,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:17:22,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-12-13 20:17:22,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:17:22,265 INFO L225 Difference]: With dead ends: 45622 [2022-12-13 20:17:22,265 INFO L226 Difference]: Without dead ends: 30020 [2022-12-13 20:17:22,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:17:22,278 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 64 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:17:22,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 419 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:17:22,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30020 states. [2022-12-13 20:18:12,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30020 to 28738. [2022-12-13 20:18:12,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28738 states, 28737 states have (on average 1.3281483801371055) internal successors, (38167), 28737 states have internal predecessors, (38167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:18:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28738 states to 28738 states and 38167 transitions. [2022-12-13 20:18:12,207 INFO L78 Accepts]: Start accepts. Automaton has 28738 states and 38167 transitions. Word has length 125 [2022-12-13 20:18:12,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:18:12,207 INFO L495 AbstractCegarLoop]: Abstraction has 28738 states and 38167 transitions. [2022-12-13 20:18:12,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:18:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 28738 states and 38167 transitions. [2022-12-13 20:18:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 20:18:12,208 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:18:12,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:18:12,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-12-13 20:18:12,208 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:18:12,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:18:12,208 INFO L85 PathProgramCache]: Analyzing trace with hash 2124750892, now seen corresponding path program 1 times [2022-12-13 20:18:12,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:18:12,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117770884] [2022-12-13 20:18:12,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:18:12,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:18:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:18:12,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:18:12,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:18:12,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117770884] [2022-12-13 20:18:12,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117770884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:18:12,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:18:12,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:18:12,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014585651] [2022-12-13 20:18:12,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:18:12,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:18:12,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:18:12,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:18:12,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:18:12,343 INFO L87 Difference]: Start difference. First operand 28738 states and 38167 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:19:30,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:19:30,428 INFO L93 Difference]: Finished difference Result 43727 states and 58003 transitions. [2022-12-13 20:19:30,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 20:19:30,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-12-13 20:19:30,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:19:30,472 INFO L225 Difference]: With dead ends: 43727 [2022-12-13 20:19:30,472 INFO L226 Difference]: Without dead ends: 43725 [2022-12-13 20:19:30,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:19:30,481 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 314 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:19:30,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 993 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:19:30,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43725 states. [2022-12-13 20:20:22,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43725 to 29314. [2022-12-13 20:20:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29314 states, 29313 states have (on average 1.3140586088083785) internal successors, (38519), 29313 states have internal predecessors, (38519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:20:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29314 states to 29314 states and 38519 transitions. [2022-12-13 20:20:22,389 INFO L78 Accepts]: Start accepts. Automaton has 29314 states and 38519 transitions. Word has length 126 [2022-12-13 20:20:22,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:20:22,389 INFO L495 AbstractCegarLoop]: Abstraction has 29314 states and 38519 transitions. [2022-12-13 20:20:22,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:20:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 29314 states and 38519 transitions. [2022-12-13 20:20:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 20:20:22,392 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:20:22,393 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:20:22,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-12-13 20:20:22,393 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:20:22,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:22,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1407701576, now seen corresponding path program 1 times [2022-12-13 20:20:22,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:20:22,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761390522] [2022-12-13 20:20:22,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:22,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:20:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:20:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-13 20:20:22,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:20:22,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761390522] [2022-12-13 20:20:22,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761390522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:20:22,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:20:22,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:20:22,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511158539] [2022-12-13 20:20:22,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:20:22,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:20:22,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:20:22,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:20:22,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:20:22,571 INFO L87 Difference]: Start difference. First operand 29314 states and 38519 transitions. Second operand has 9 states, 9 states have (on average 16.22222222222222) internal successors, (146), 8 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:22:13,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:22:13,008 INFO L93 Difference]: Finished difference Result 88412 states and 116017 transitions. [2022-12-13 20:22:13,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 20:22:13,008 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.22222222222222) internal successors, (146), 8 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 158 [2022-12-13 20:22:13,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:22:13,079 INFO L225 Difference]: With dead ends: 88412 [2022-12-13 20:22:13,079 INFO L226 Difference]: Without dead ends: 59187 [2022-12-13 20:22:13,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-12-13 20:22:13,105 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 686 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:22:13,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 602 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:22:13,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59187 states. [2022-12-13 20:23:07,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59187 to 29314. [2022-12-13 20:23:07,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29314 states, 29313 states have (on average 1.3140244942516972) internal successors, (38518), 29313 states have internal predecessors, (38518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29314 states to 29314 states and 38518 transitions. [2022-12-13 20:23:07,439 INFO L78 Accepts]: Start accepts. Automaton has 29314 states and 38518 transitions. Word has length 158 [2022-12-13 20:23:07,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:23:07,439 INFO L495 AbstractCegarLoop]: Abstraction has 29314 states and 38518 transitions. [2022-12-13 20:23:07,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.22222222222222) internal successors, (146), 8 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:07,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29314 states and 38518 transitions. [2022-12-13 20:23:07,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-13 20:23:07,442 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:23:07,442 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:23:07,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-12-13 20:23:07,442 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-12-13 20:23:07,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:23:07,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1771370861, now seen corresponding path program 1 times [2022-12-13 20:23:07,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:23:07,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124504685] [2022-12-13 20:23:07,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:23:07,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:23:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:23:07,796 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:23:07,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:23:07,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124504685] [2022-12-13 20:23:07,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124504685] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:23:07,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615881825] [2022-12-13 20:23:07,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:23:07,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:23:07,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:23:07,798 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:23:07,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76dd377-7ce1-45f2-9ab5-70834deb66aa/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:23:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:23:08,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 20:23:08,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:23:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:23:08,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:23:09,520 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:23:09,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615881825] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:23:09,521 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 20:23:09,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 30 [2022-12-13 20:23:09,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476061272] [2022-12-13 20:23:09,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 20:23:09,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-12-13 20:23:09,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:23:09,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-12-13 20:23:09,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=827, Unknown=0, NotChecked=0, Total=930 [2022-12-13 20:23:09,524 INFO L87 Difference]: Start difference. First operand 29314 states and 38518 transitions. Second operand has 31 states, 31 states have (on average 14.35483870967742) internal successors, (445), 30 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)