./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:14:54,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:14:54,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:14:54,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:14:54,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:14:54,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:14:54,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:14:54,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:14:54,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:14:54,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:14:54,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:14:54,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:14:54,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:14:54,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:14:54,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:14:54,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:14:54,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:14:54,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:14:54,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:14:54,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:14:54,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:14:54,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:14:54,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:14:54,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:14:54,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:14:54,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:14:54,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:14:54,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:14:54,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:14:54,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:14:54,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:14:54,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:14:54,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:14:54,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:14:54,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:14:54,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:14:54,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:14:54,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:14:54,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:14:54,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:14:54,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:14:54,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:14:54,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:14:54,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:14:54,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:14:54,854 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:14:54,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:14:54,855 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:14:54,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:14:54,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:14:54,856 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:14:54,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:14:54,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:14:54,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:14:54,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:14:54,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:14:54,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:14:54,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:14:54,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:14:54,857 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:14:54,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:14:54,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:14:54,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:14:54,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:14:54,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:14:54,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:14:54,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:14:54,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:14:54,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:14:54,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:14:54,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:14:54,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:14:54,859 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:14:54,859 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:14:54,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:14:54,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:14:54,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 [2021-12-07 01:14:55,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:14:55,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:14:55,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:14:55,055 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:14:55,056 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:14:55,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-12-07 01:14:55,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/data/57ee8b682/d65bc2b343e14aeb995ab5da36481ff5/FLAG4292479f9 [2021-12-07 01:14:55,836 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:14:55,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-12-07 01:14:55,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/data/57ee8b682/d65bc2b343e14aeb995ab5da36481ff5/FLAG4292479f9 [2021-12-07 01:14:56,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/data/57ee8b682/d65bc2b343e14aeb995ab5da36481ff5 [2021-12-07 01:14:56,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:14:56,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:14:56,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:14:56,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:14:56,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:14:56,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:14:56" (1/1) ... [2021-12-07 01:14:56,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@664ff582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:56, skipping insertion in model container [2021-12-07 01:14:56,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:14:56" (1/1) ... [2021-12-07 01:14:56,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:14:56,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:14:57,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2021-12-07 01:14:57,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2021-12-07 01:14:57,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2021-12-07 01:14:57,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2021-12-07 01:14:57,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2021-12-07 01:14:57,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2021-12-07 01:14:57,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2021-12-07 01:14:57,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2021-12-07 01:14:57,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2021-12-07 01:14:57,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2021-12-07 01:14:57,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2021-12-07 01:14:57,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2021-12-07 01:14:57,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2021-12-07 01:14:57,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2021-12-07 01:14:57,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2021-12-07 01:14:57,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2021-12-07 01:14:57,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2021-12-07 01:14:57,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2021-12-07 01:14:57,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2021-12-07 01:14:57,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2021-12-07 01:14:57,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2021-12-07 01:14:57,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2021-12-07 01:14:57,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2021-12-07 01:14:57,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2021-12-07 01:14:57,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2021-12-07 01:14:57,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2021-12-07 01:14:57,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2021-12-07 01:14:57,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2021-12-07 01:14:57,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2021-12-07 01:14:57,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2021-12-07 01:14:57,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2021-12-07 01:14:57,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2021-12-07 01:14:57,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2021-12-07 01:14:57,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2021-12-07 01:14:57,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2021-12-07 01:14:57,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2021-12-07 01:14:57,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2021-12-07 01:14:59,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:14:59,394 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:14:59,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2021-12-07 01:14:59,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2021-12-07 01:14:59,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2021-12-07 01:14:59,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2021-12-07 01:14:59,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2021-12-07 01:14:59,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2021-12-07 01:14:59,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2021-12-07 01:14:59,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2021-12-07 01:14:59,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2021-12-07 01:14:59,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2021-12-07 01:14:59,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2021-12-07 01:14:59,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2021-12-07 01:14:59,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2021-12-07 01:14:59,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2021-12-07 01:14:59,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2021-12-07 01:14:59,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2021-12-07 01:14:59,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2021-12-07 01:14:59,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2021-12-07 01:14:59,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2021-12-07 01:14:59,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2021-12-07 01:14:59,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2021-12-07 01:14:59,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2021-12-07 01:14:59,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2021-12-07 01:14:59,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2021-12-07 01:14:59,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2021-12-07 01:14:59,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2021-12-07 01:14:59,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2021-12-07 01:14:59,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2021-12-07 01:14:59,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2021-12-07 01:14:59,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2021-12-07 01:14:59,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2021-12-07 01:14:59,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2021-12-07 01:15:00,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2021-12-07 01:15:00,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2021-12-07 01:15:00,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2021-12-07 01:15:00,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2021-12-07 01:15:00,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2021-12-07 01:15:01,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:15:01,201 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:15:01,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01 WrapperNode [2021-12-07 01:15:01,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:15:01,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:15:01,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:15:01,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:15:01,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01" (1/1) ... [2021-12-07 01:15:01,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01" (1/1) ... [2021-12-07 01:15:01,603 INFO L137 Inliner]: procedures = 28, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23263 [2021-12-07 01:15:01,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:15:01,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:15:01,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:15:01,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:15:01,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01" (1/1) ... [2021-12-07 01:15:01,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01" (1/1) ... [2021-12-07 01:15:01,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01" (1/1) ... [2021-12-07 01:15:01,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01" (1/1) ... [2021-12-07 01:15:01,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01" (1/1) ... [2021-12-07 01:15:01,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01" (1/1) ... [2021-12-07 01:15:01,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01" (1/1) ... [2021-12-07 01:15:02,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:15:02,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:15:02,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:15:02,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:15:02,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01" (1/1) ... [2021-12-07 01:15:02,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:15:02,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:15:02,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:15:02,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1a8d93-a190-42d1-9e1e-30aa7e77923e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:15:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:15:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:15:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:15:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:15:02,530 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:15:02,532 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:15:08,663 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:15:08,704 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:15:08,704 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 01:15:08,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:15:08 BoogieIcfgContainer [2021-12-07 01:15:08,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:15:08,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:15:08,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:15:08,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:15:08,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:14:56" (1/3) ... [2021-12-07 01:15:08,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f4e96ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:15:08, skipping insertion in model container [2021-12-07 01:15:08,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:15:01" (2/3) ... [2021-12-07 01:15:08,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f4e96ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:15:08, skipping insertion in model container [2021-12-07 01:15:08,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:15:08" (3/3) ... [2021-12-07 01:15:08,718 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-12-07 01:15:08,722 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:15:08,722 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2021-12-07 01:15:08,772 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:15:08,777 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:15:08,777 INFO L340 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2021-12-07 01:15:08,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 3854 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3853 states have internal predecessors, (7153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:08,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-07 01:15:08,903 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:08,903 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:08,904 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:08,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:08,910 INFO L85 PathProgramCache]: Analyzing trace with hash -150150757, now seen corresponding path program 1 times [2021-12-07 01:15:08,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:08,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879259057] [2021-12-07 01:15:08,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:08,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:09,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:09,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:09,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879259057] [2021-12-07 01:15:09,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879259057] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:09,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:09,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:15:09,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791176658] [2021-12-07 01:15:09,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:09,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:15:09,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:09,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:15:09,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:15:09,568 INFO L87 Difference]: Start difference. First operand has 3854 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3853 states have internal predecessors, (7153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:12,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:12,001 INFO L93 Difference]: Finished difference Result 6602 states and 11760 transitions. [2021-12-07 01:15:12,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:15:12,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2021-12-07 01:15:12,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:12,042 INFO L225 Difference]: With dead ends: 6602 [2021-12-07 01:15:12,042 INFO L226 Difference]: Without dead ends: 3827 [2021-12-07 01:15:12,051 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:12,053 INFO L933 BasicCegarLoop]: 3381 mSDtfsCounter, 18399 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18399 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 2361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:12,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18399 Valid, 4385 Invalid, 2361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:15:12,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2021-12-07 01:15:12,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3701. [2021-12-07 01:15:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3701 states, 3664 states have (on average 1.3788209606986899) internal successors, (5052), 3700 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3701 states to 3701 states and 5052 transitions. [2021-12-07 01:15:12,242 INFO L78 Accepts]: Start accepts. Automaton has 3701 states and 5052 transitions. Word has length 116 [2021-12-07 01:15:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:12,243 INFO L470 AbstractCegarLoop]: Abstraction has 3701 states and 5052 transitions. [2021-12-07 01:15:12,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 5052 transitions. [2021-12-07 01:15:12,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-07 01:15:12,253 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:12,253 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:12,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:15:12,254 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:12,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:12,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1021046553, now seen corresponding path program 1 times [2021-12-07 01:15:12,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:12,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517827044] [2021-12-07 01:15:12,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:12,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:12,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:12,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517827044] [2021-12-07 01:15:12,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517827044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:12,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:12,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:15:12,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563661253] [2021-12-07 01:15:12,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:12,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:15:12,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:12,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:15:12,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:15:12,470 INFO L87 Difference]: Start difference. First operand 3701 states and 5052 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:14,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:14,086 INFO L93 Difference]: Finished difference Result 6314 states and 8889 transitions. [2021-12-07 01:15:14,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:15:14,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-12-07 01:15:14,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:14,105 INFO L225 Difference]: With dead ends: 6314 [2021-12-07 01:15:14,106 INFO L226 Difference]: Without dead ends: 3213 [2021-12-07 01:15:14,111 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:14,112 INFO L933 BasicCegarLoop]: 1756 mSDtfsCounter, 9387 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9387 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:14,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9387 Valid, 1792 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-07 01:15:14,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3213 states. [2021-12-07 01:15:14,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3213 to 3213. [2021-12-07 01:15:14,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3213 states, 3176 states have (on average 1.4162468513853905) internal successors, (4498), 3212 states have internal predecessors, (4498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 4498 transitions. [2021-12-07 01:15:14,235 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 4498 transitions. Word has length 117 [2021-12-07 01:15:14,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:14,236 INFO L470 AbstractCegarLoop]: Abstraction has 3213 states and 4498 transitions. [2021-12-07 01:15:14,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 4498 transitions. [2021-12-07 01:15:14,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-07 01:15:14,245 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:14,245 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:14,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:15:14,246 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:14,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:14,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1704632037, now seen corresponding path program 1 times [2021-12-07 01:15:14,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:14,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022526425] [2021-12-07 01:15:14,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:14,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:14,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:14,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:14,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022526425] [2021-12-07 01:15:14,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022526425] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:14,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:14,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:15:14,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790095464] [2021-12-07 01:15:14,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:14,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:15:14,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:14,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:15:14,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:15:14,425 INFO L87 Difference]: Start difference. First operand 3213 states and 4498 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:15,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:15,874 INFO L93 Difference]: Finished difference Result 5826 states and 8333 transitions. [2021-12-07 01:15:15,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:15:15,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2021-12-07 01:15:15,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:15,889 INFO L225 Difference]: With dead ends: 5826 [2021-12-07 01:15:15,889 INFO L226 Difference]: Without dead ends: 3053 [2021-12-07 01:15:15,893 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:15,894 INFO L933 BasicCegarLoop]: 1208 mSDtfsCounter, 8465 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8465 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:15,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8465 Valid, 1268 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-07 01:15:15,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2021-12-07 01:15:15,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 3053. [2021-12-07 01:15:15,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 3016 states have (on average 1.427055702917772) internal successors, (4304), 3052 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:16,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 4304 transitions. [2021-12-07 01:15:16,004 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 4304 transitions. Word has length 118 [2021-12-07 01:15:16,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:16,004 INFO L470 AbstractCegarLoop]: Abstraction has 3053 states and 4304 transitions. [2021-12-07 01:15:16,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:16,004 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 4304 transitions. [2021-12-07 01:15:16,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-07 01:15:16,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:16,012 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:16,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:15:16,012 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:16,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:16,013 INFO L85 PathProgramCache]: Analyzing trace with hash 46418268, now seen corresponding path program 1 times [2021-12-07 01:15:16,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:16,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66281724] [2021-12-07 01:15:16,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:16,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:16,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:16,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66281724] [2021-12-07 01:15:16,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66281724] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:16,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:16,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:15:16,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084794925] [2021-12-07 01:15:16,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:16,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:15:16,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:16,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:15:16,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:15:16,156 INFO L87 Difference]: Start difference. First operand 3053 states and 4304 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:17,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:17,159 INFO L93 Difference]: Finished difference Result 5666 states and 8137 transitions. [2021-12-07 01:15:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:15:17,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-12-07 01:15:17,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:17,170 INFO L225 Difference]: With dead ends: 5666 [2021-12-07 01:15:17,171 INFO L226 Difference]: Without dead ends: 2925 [2021-12-07 01:15:17,174 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:17,174 INFO L933 BasicCegarLoop]: 1349 mSDtfsCounter, 8208 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8208 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:17,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8208 Valid, 1401 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-07 01:15:17,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2021-12-07 01:15:17,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2925. [2021-12-07 01:15:17,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2888 states have (on average 1.4397506925207757) internal successors, (4158), 2924 states have internal predecessors, (4158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:17,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 4158 transitions. [2021-12-07 01:15:17,284 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 4158 transitions. Word has length 119 [2021-12-07 01:15:17,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:17,285 INFO L470 AbstractCegarLoop]: Abstraction has 2925 states and 4158 transitions. [2021-12-07 01:15:17,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 4158 transitions. [2021-12-07 01:15:17,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-07 01:15:17,291 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:17,291 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:17,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:15:17,291 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:17,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:17,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1481188516, now seen corresponding path program 1 times [2021-12-07 01:15:17,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:17,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384653911] [2021-12-07 01:15:17,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:17,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:17,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:17,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384653911] [2021-12-07 01:15:17,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384653911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:17,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:17,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:15:17,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193496311] [2021-12-07 01:15:17,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:17,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:15:17,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:17,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:15:17,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:15:17,419 INFO L87 Difference]: Start difference. First operand 2925 states and 4158 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:18,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:18,344 INFO L93 Difference]: Finished difference Result 5538 states and 7989 transitions. [2021-12-07 01:15:18,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:15:18,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-12-07 01:15:18,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:18,360 INFO L225 Difference]: With dead ends: 5538 [2021-12-07 01:15:18,360 INFO L226 Difference]: Without dead ends: 2813 [2021-12-07 01:15:18,364 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:18,365 INFO L933 BasicCegarLoop]: 1460 mSDtfsCounter, 8044 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8044 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:18,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8044 Valid, 1488 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-07 01:15:18,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-07 01:15:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2813. [2021-12-07 01:15:18,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2776 states have (on average 1.4538904899135447) internal successors, (4036), 2812 states have internal predecessors, (4036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:18,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 4036 transitions. [2021-12-07 01:15:18,471 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 4036 transitions. Word has length 120 [2021-12-07 01:15:18,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:18,472 INFO L470 AbstractCegarLoop]: Abstraction has 2813 states and 4036 transitions. [2021-12-07 01:15:18,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:18,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 4036 transitions. [2021-12-07 01:15:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-07 01:15:18,476 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:18,476 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:18,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:15:18,476 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:18,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:18,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1088659095, now seen corresponding path program 1 times [2021-12-07 01:15:18,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:18,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733820578] [2021-12-07 01:15:18,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:18,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:18,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:18,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733820578] [2021-12-07 01:15:18,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733820578] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:18,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:18,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:15:18,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847204562] [2021-12-07 01:15:18,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:18,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:15:18,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:18,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:15:18,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:15:18,584 INFO L87 Difference]: Start difference. First operand 2813 states and 4036 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:19,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:19,581 INFO L93 Difference]: Finished difference Result 5426 states and 7865 transitions. [2021-12-07 01:15:19,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:15:19,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-12-07 01:15:19,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:19,591 INFO L225 Difference]: With dead ends: 5426 [2021-12-07 01:15:19,592 INFO L226 Difference]: Without dead ends: 2748 [2021-12-07 01:15:19,594 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:19,595 INFO L933 BasicCegarLoop]: 1443 mSDtfsCounter, 7872 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7872 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:19,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7872 Valid, 1455 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-07 01:15:19,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2021-12-07 01:15:19,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2748. [2021-12-07 01:15:19,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2748 states, 2711 states have (on average 1.4625599409811878) internal successors, (3965), 2747 states have internal predecessors, (3965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3965 transitions. [2021-12-07 01:15:19,669 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3965 transitions. Word has length 121 [2021-12-07 01:15:19,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:19,670 INFO L470 AbstractCegarLoop]: Abstraction has 2748 states and 3965 transitions. [2021-12-07 01:15:19,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:19,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3965 transitions. [2021-12-07 01:15:19,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-07 01:15:19,673 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:19,673 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:19,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:15:19,673 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:19,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:19,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1122787720, now seen corresponding path program 1 times [2021-12-07 01:15:19,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:19,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385435602] [2021-12-07 01:15:19,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:19,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:19,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:19,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385435602] [2021-12-07 01:15:19,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385435602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:19,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:19,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:15:19,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43049693] [2021-12-07 01:15:19,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:19,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:15:19,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:19,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:15:19,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:15:19,782 INFO L87 Difference]: Start difference. First operand 2748 states and 3965 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:20,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:20,588 INFO L93 Difference]: Finished difference Result 5361 states and 7792 transitions. [2021-12-07 01:15:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:15:20,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-12-07 01:15:20,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:20,598 INFO L225 Difference]: With dead ends: 5361 [2021-12-07 01:15:20,598 INFO L226 Difference]: Without dead ends: 2717 [2021-12-07 01:15:20,601 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:20,601 INFO L933 BasicCegarLoop]: 1420 mSDtfsCounter, 7753 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7753 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:20,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7753 Valid, 1440 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-07 01:15:20,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2021-12-07 01:15:20,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2717. [2021-12-07 01:15:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2680 states have (on average 1.4664179104477613) internal successors, (3930), 2716 states have internal predecessors, (3930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:20,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3930 transitions. [2021-12-07 01:15:20,707 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3930 transitions. Word has length 122 [2021-12-07 01:15:20,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:20,708 INFO L470 AbstractCegarLoop]: Abstraction has 2717 states and 3930 transitions. [2021-12-07 01:15:20,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:20,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3930 transitions. [2021-12-07 01:15:20,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-07 01:15:20,711 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:20,711 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:20,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:15:20,711 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:20,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:20,712 INFO L85 PathProgramCache]: Analyzing trace with hash -204963786, now seen corresponding path program 1 times [2021-12-07 01:15:20,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:20,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622979557] [2021-12-07 01:15:20,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:20,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:20,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:20,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622979557] [2021-12-07 01:15:20,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622979557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:20,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:20,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:15:20,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832417907] [2021-12-07 01:15:20,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:20,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:15:20,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:20,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:15:20,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:15:20,823 INFO L87 Difference]: Start difference. First operand 2717 states and 3930 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:21,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:21,659 INFO L93 Difference]: Finished difference Result 5330 states and 7755 transitions. [2021-12-07 01:15:21,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:15:21,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-12-07 01:15:21,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:21,669 INFO L225 Difference]: With dead ends: 5330 [2021-12-07 01:15:21,669 INFO L226 Difference]: Without dead ends: 2706 [2021-12-07 01:15:21,672 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:21,672 INFO L933 BasicCegarLoop]: 1329 mSDtfsCounter, 7597 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7597 SdHoareTripleChecker+Valid, 1373 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:21,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7597 Valid, 1373 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-07 01:15:21,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2021-12-07 01:15:21,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2706. [2021-12-07 01:15:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4672161858373922) internal successors, (3916), 2705 states have internal predecessors, (3916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:21,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3916 transitions. [2021-12-07 01:15:21,759 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3916 transitions. Word has length 123 [2021-12-07 01:15:21,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:21,759 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3916 transitions. [2021-12-07 01:15:21,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3916 transitions. [2021-12-07 01:15:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:21,762 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:21,762 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:21,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:15:21,762 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:21,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:21,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1522376233, now seen corresponding path program 1 times [2021-12-07 01:15:21,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:21,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832923687] [2021-12-07 01:15:21,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:21,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:22,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:22,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832923687] [2021-12-07 01:15:22,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832923687] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:22,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:22,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:15:22,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231853737] [2021-12-07 01:15:22,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:22,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:15:22,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:22,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:15:22,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:15:22,023 INFO L87 Difference]: Start difference. First operand 2706 states and 3916 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:25,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:25,371 INFO L93 Difference]: Finished difference Result 5120 states and 7392 transitions. [2021-12-07 01:15:25,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 01:15:25,371 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2021-12-07 01:15:25,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:25,390 INFO L225 Difference]: With dead ends: 5120 [2021-12-07 01:15:25,390 INFO L226 Difference]: Without dead ends: 4816 [2021-12-07 01:15:25,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2021-12-07 01:15:25,393 INFO L933 BasicCegarLoop]: 1430 mSDtfsCounter, 15816 mSDsluCounter, 7606 mSDsCounter, 0 mSdLazyCounter, 7770 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15816 SdHoareTripleChecker+Valid, 9036 SdHoareTripleChecker+Invalid, 7851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 7770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:25,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15816 Valid, 9036 Invalid, 7851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 7770 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-07 01:15:25,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4816 states. [2021-12-07 01:15:25,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4816 to 2715. [2021-12-07 01:15:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2678 states have (on average 1.4667662434652726) internal successors, (3928), 2714 states have internal predecessors, (3928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:25,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3928 transitions. [2021-12-07 01:15:25,511 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3928 transitions. Word has length 124 [2021-12-07 01:15:25,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:25,511 INFO L470 AbstractCegarLoop]: Abstraction has 2715 states and 3928 transitions. [2021-12-07 01:15:25,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:25,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3928 transitions. [2021-12-07 01:15:25,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:25,514 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:25,514 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:25,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 01:15:25,514 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:25,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:25,514 INFO L85 PathProgramCache]: Analyzing trace with hash -115626613, now seen corresponding path program 1 times [2021-12-07 01:15:25,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:25,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970330508] [2021-12-07 01:15:25,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:25,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:25,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:25,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:25,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970330508] [2021-12-07 01:15:25,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970330508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:25,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:25,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:15:25,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299794924] [2021-12-07 01:15:25,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:25,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:15:25,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:25,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:15:25,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:15:25,671 INFO L87 Difference]: Start difference. First operand 2715 states and 3928 transitions. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:28,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:28,356 INFO L93 Difference]: Finished difference Result 4579 states and 6618 transitions. [2021-12-07 01:15:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:15:28,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2021-12-07 01:15:28,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:28,363 INFO L225 Difference]: With dead ends: 4579 [2021-12-07 01:15:28,363 INFO L226 Difference]: Without dead ends: 3990 [2021-12-07 01:15:28,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:15:28,365 INFO L933 BasicCegarLoop]: 1473 mSDtfsCounter, 13350 mSDsluCounter, 6212 mSDsCounter, 0 mSdLazyCounter, 6492 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13350 SdHoareTripleChecker+Valid, 7685 SdHoareTripleChecker+Invalid, 6523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 6492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:28,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13350 Valid, 7685 Invalid, 6523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 6492 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 01:15:28,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3990 states. [2021-12-07 01:15:28,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3990 to 2706. [2021-12-07 01:15:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.466841513675534) internal successors, (3915), 2705 states have internal predecessors, (3915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:28,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3915 transitions. [2021-12-07 01:15:28,485 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3915 transitions. Word has length 124 [2021-12-07 01:15:28,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:28,485 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3915 transitions. [2021-12-07 01:15:28,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:28,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3915 transitions. [2021-12-07 01:15:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:28,488 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:28,488 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:28,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 01:15:28,488 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:28,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:28,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1896036516, now seen corresponding path program 1 times [2021-12-07 01:15:28,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:28,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886837829] [2021-12-07 01:15:28,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:28,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:28,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:28,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:28,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886837829] [2021-12-07 01:15:28,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886837829] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:28,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:28,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:15:28,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77367690] [2021-12-07 01:15:28,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:28,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:15:28,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:28,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:15:28,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:15:28,648 INFO L87 Difference]: Start difference. First operand 2706 states and 3915 transitions. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:30,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:30,911 INFO L93 Difference]: Finished difference Result 4835 states and 7013 transitions. [2021-12-07 01:15:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:15:30,912 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2021-12-07 01:15:30,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:30,917 INFO L225 Difference]: With dead ends: 4835 [2021-12-07 01:15:30,917 INFO L226 Difference]: Without dead ends: 4554 [2021-12-07 01:15:30,918 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:30,919 INFO L933 BasicCegarLoop]: 1492 mSDtfsCounter, 7511 mSDsluCounter, 4947 mSDsCounter, 0 mSdLazyCounter, 5470 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7511 SdHoareTripleChecker+Valid, 6439 SdHoareTripleChecker+Invalid, 5509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 5470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:30,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7511 Valid, 6439 Invalid, 5509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 5470 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:15:30,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2021-12-07 01:15:31,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2021-12-07 01:15:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4664668415136755) internal successors, (3914), 2705 states have internal predecessors, (3914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:31,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3914 transitions. [2021-12-07 01:15:31,041 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3914 transitions. Word has length 124 [2021-12-07 01:15:31,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:31,042 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3914 transitions. [2021-12-07 01:15:31,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3914 transitions. [2021-12-07 01:15:31,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:31,045 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:31,045 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:31,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 01:15:31,045 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:31,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:31,046 INFO L85 PathProgramCache]: Analyzing trace with hash 553304081, now seen corresponding path program 1 times [2021-12-07 01:15:31,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:31,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153553553] [2021-12-07 01:15:31,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:31,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:31,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:31,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:31,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153553553] [2021-12-07 01:15:31,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153553553] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:31,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:31,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:15:31,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470098927] [2021-12-07 01:15:31,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:31,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:15:31,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:31,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:15:31,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:15:31,194 INFO L87 Difference]: Start difference. First operand 2706 states and 3914 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:33,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:33,725 INFO L93 Difference]: Finished difference Result 4932 states and 7146 transitions. [2021-12-07 01:15:33,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:15:33,725 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:15:33,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:33,731 INFO L225 Difference]: With dead ends: 4932 [2021-12-07 01:15:33,731 INFO L226 Difference]: Without dead ends: 4546 [2021-12-07 01:15:33,733 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:33,733 INFO L933 BasicCegarLoop]: 1492 mSDtfsCounter, 11648 mSDsluCounter, 6363 mSDsCounter, 0 mSdLazyCounter, 6652 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11648 SdHoareTripleChecker+Valid, 7855 SdHoareTripleChecker+Invalid, 6717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 6652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:33,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11648 Valid, 7855 Invalid, 6717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 6652 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:15:33,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2021-12-07 01:15:33,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2706. [2021-12-07 01:15:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4657174971899587) internal successors, (3912), 2705 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:33,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3912 transitions. [2021-12-07 01:15:33,863 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3912 transitions. Word has length 124 [2021-12-07 01:15:33,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:33,864 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3912 transitions. [2021-12-07 01:15:33,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3912 transitions. [2021-12-07 01:15:33,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:33,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:33,867 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:33,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 01:15:33,867 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:33,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:33,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1960053701, now seen corresponding path program 1 times [2021-12-07 01:15:33,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:33,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234452883] [2021-12-07 01:15:33,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:33,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:34,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:34,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234452883] [2021-12-07 01:15:34,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234452883] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:34,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:34,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:15:34,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347702883] [2021-12-07 01:15:34,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:34,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:15:34,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:34,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:15:34,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:15:34,007 INFO L87 Difference]: Start difference. First operand 2706 states and 3912 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:36,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:36,856 INFO L93 Difference]: Finished difference Result 5162 states and 7491 transitions. [2021-12-07 01:15:36,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:15:36,857 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:15:36,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:36,864 INFO L225 Difference]: With dead ends: 5162 [2021-12-07 01:15:36,864 INFO L226 Difference]: Without dead ends: 4582 [2021-12-07 01:15:36,866 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:36,866 INFO L933 BasicCegarLoop]: 1814 mSDtfsCounter, 11996 mSDsluCounter, 7548 mSDsCounter, 0 mSdLazyCounter, 7877 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11996 SdHoareTripleChecker+Valid, 9362 SdHoareTripleChecker+Invalid, 7925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 7877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:36,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11996 Valid, 9362 Invalid, 7925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 7877 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-07 01:15:36,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2021-12-07 01:15:37,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 2706. [2021-12-07 01:15:37,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.464968152866242) internal successors, (3910), 2705 states have internal predecessors, (3910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:37,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3910 transitions. [2021-12-07 01:15:37,016 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3910 transitions. Word has length 124 [2021-12-07 01:15:37,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:37,016 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3910 transitions. [2021-12-07 01:15:37,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3910 transitions. [2021-12-07 01:15:37,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:37,020 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:37,021 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:37,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 01:15:37,021 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:37,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:37,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1538494454, now seen corresponding path program 1 times [2021-12-07 01:15:37,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:37,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136949437] [2021-12-07 01:15:37,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:37,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:37,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:37,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136949437] [2021-12-07 01:15:37,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136949437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:37,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:37,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:15:37,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088536734] [2021-12-07 01:15:37,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:37,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:15:37,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:37,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:15:37,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:15:37,208 INFO L87 Difference]: Start difference. First operand 2706 states and 3910 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:39,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:39,982 INFO L93 Difference]: Finished difference Result 4582 states and 6590 transitions. [2021-12-07 01:15:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:15:39,983 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:15:39,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:39,988 INFO L225 Difference]: With dead ends: 4582 [2021-12-07 01:15:39,988 INFO L226 Difference]: Without dead ends: 4378 [2021-12-07 01:15:39,989 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:39,990 INFO L933 BasicCegarLoop]: 1436 mSDtfsCounter, 10715 mSDsluCounter, 7076 mSDsCounter, 0 mSdLazyCounter, 7315 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10715 SdHoareTripleChecker+Valid, 8512 SdHoareTripleChecker+Invalid, 7681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 7315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:39,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10715 Valid, 8512 Invalid, 7681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 7315 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 01:15:39,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-12-07 01:15:40,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2706. [2021-12-07 01:15:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4642188085425254) internal successors, (3908), 2705 states have internal predecessors, (3908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:40,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3908 transitions. [2021-12-07 01:15:40,153 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3908 transitions. Word has length 124 [2021-12-07 01:15:40,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:40,154 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3908 transitions. [2021-12-07 01:15:40,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:40,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3908 transitions. [2021-12-07 01:15:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:40,157 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:40,157 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:40,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-07 01:15:40,157 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:40,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:40,157 INFO L85 PathProgramCache]: Analyzing trace with hash -939890769, now seen corresponding path program 1 times [2021-12-07 01:15:40,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:40,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116485363] [2021-12-07 01:15:40,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:40,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:40,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:40,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116485363] [2021-12-07 01:15:40,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116485363] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:40,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:40,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:15:40,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179101220] [2021-12-07 01:15:40,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:40,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:15:40,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:40,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:15:40,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:15:40,326 INFO L87 Difference]: Start difference. First operand 2706 states and 3908 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:43,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:43,051 INFO L93 Difference]: Finished difference Result 4586 states and 6592 transitions. [2021-12-07 01:15:43,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:15:43,051 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:15:43,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:43,055 INFO L225 Difference]: With dead ends: 4586 [2021-12-07 01:15:43,055 INFO L226 Difference]: Without dead ends: 4378 [2021-12-07 01:15:43,056 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:43,057 INFO L933 BasicCegarLoop]: 1436 mSDtfsCounter, 7110 mSDsluCounter, 7074 mSDsCounter, 0 mSdLazyCounter, 7309 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7110 SdHoareTripleChecker+Valid, 8510 SdHoareTripleChecker+Invalid, 7543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 7309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:43,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7110 Valid, 8510 Invalid, 7543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 7309 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 01:15:43,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-12-07 01:15:43,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2706. [2021-12-07 01:15:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4634694642188086) internal successors, (3906), 2705 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3906 transitions. [2021-12-07 01:15:43,221 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3906 transitions. Word has length 124 [2021-12-07 01:15:43,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:43,222 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3906 transitions. [2021-12-07 01:15:43,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:43,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3906 transitions. [2021-12-07 01:15:43,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:43,224 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:43,224 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:43,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 01:15:43,225 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:43,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:43,225 INFO L85 PathProgramCache]: Analyzing trace with hash 2057186489, now seen corresponding path program 1 times [2021-12-07 01:15:43,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:43,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580536566] [2021-12-07 01:15:43,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:43,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:43,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:43,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580536566] [2021-12-07 01:15:43,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580536566] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:43,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:43,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:15:43,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877858675] [2021-12-07 01:15:43,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:43,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:15:43,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:43,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:15:43,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:15:43,395 INFO L87 Difference]: Start difference. First operand 2706 states and 3906 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:45,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:45,961 INFO L93 Difference]: Finished difference Result 4586 states and 6588 transitions. [2021-12-07 01:15:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:15:45,962 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:15:45,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:45,966 INFO L225 Difference]: With dead ends: 4586 [2021-12-07 01:15:45,966 INFO L226 Difference]: Without dead ends: 4378 [2021-12-07 01:15:45,967 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:45,968 INFO L933 BasicCegarLoop]: 1436 mSDtfsCounter, 8291 mSDsluCounter, 5889 mSDsCounter, 0 mSdLazyCounter, 6380 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8291 SdHoareTripleChecker+Valid, 7325 SdHoareTripleChecker+Invalid, 6682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 6380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:45,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8291 Valid, 7325 Invalid, 6682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 6380 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:15:45,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-12-07 01:15:46,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2706. [2021-12-07 01:15:46,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4627201198950919) internal successors, (3904), 2705 states have internal predecessors, (3904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3904 transitions. [2021-12-07 01:15:46,144 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3904 transitions. Word has length 124 [2021-12-07 01:15:46,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:46,144 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3904 transitions. [2021-12-07 01:15:46,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:46,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3904 transitions. [2021-12-07 01:15:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:46,147 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:46,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:46,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 01:15:46,147 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:46,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:46,148 INFO L85 PathProgramCache]: Analyzing trace with hash 83261523, now seen corresponding path program 1 times [2021-12-07 01:15:46,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:46,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369517717] [2021-12-07 01:15:46,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:46,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:46,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:46,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369517717] [2021-12-07 01:15:46,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369517717] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:46,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:46,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:15:46,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781466673] [2021-12-07 01:15:46,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:46,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:15:46,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:46,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:15:46,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:15:46,319 INFO L87 Difference]: Start difference. First operand 2706 states and 3904 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:48,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:48,864 INFO L93 Difference]: Finished difference Result 4588 states and 6587 transitions. [2021-12-07 01:15:48,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:15:48,864 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:15:48,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:48,870 INFO L225 Difference]: With dead ends: 4588 [2021-12-07 01:15:48,870 INFO L226 Difference]: Without dead ends: 4378 [2021-12-07 01:15:48,871 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:48,872 INFO L933 BasicCegarLoop]: 1381 mSDtfsCounter, 11867 mSDsluCounter, 5661 mSDsCounter, 0 mSdLazyCounter, 6104 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11867 SdHoareTripleChecker+Valid, 7042 SdHoareTripleChecker+Invalid, 6505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 6104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:48,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11867 Valid, 7042 Invalid, 6505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 6104 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:15:48,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-12-07 01:15:49,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2706. [2021-12-07 01:15:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4619707755713751) internal successors, (3902), 2705 states have internal predecessors, (3902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:49,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3902 transitions. [2021-12-07 01:15:49,087 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3902 transitions. Word has length 124 [2021-12-07 01:15:49,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:49,087 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3902 transitions. [2021-12-07 01:15:49,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:49,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3902 transitions. [2021-12-07 01:15:49,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:49,089 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:49,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:49,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-07 01:15:49,090 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:49,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:49,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1828935579, now seen corresponding path program 1 times [2021-12-07 01:15:49,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:49,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246938135] [2021-12-07 01:15:49,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:49,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:49,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:49,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246938135] [2021-12-07 01:15:49,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246938135] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:49,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:49,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:15:49,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858481857] [2021-12-07 01:15:49,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:49,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:15:49,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:49,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:15:49,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:15:49,245 INFO L87 Difference]: Start difference. First operand 2706 states and 3902 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:51,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:51,767 INFO L93 Difference]: Finished difference Result 4400 states and 6258 transitions. [2021-12-07 01:15:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:15:51,768 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:15:51,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:51,771 INFO L225 Difference]: With dead ends: 4400 [2021-12-07 01:15:51,771 INFO L226 Difference]: Without dead ends: 4206 [2021-12-07 01:15:51,771 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:51,772 INFO L933 BasicCegarLoop]: 1404 mSDtfsCounter, 8314 mSDsluCounter, 5299 mSDsCounter, 0 mSdLazyCounter, 6098 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8314 SdHoareTripleChecker+Valid, 6703 SdHoareTripleChecker+Invalid, 6603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 6098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:51,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8314 Valid, 6703 Invalid, 6603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 6098 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:15:51,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4206 states. [2021-12-07 01:15:51,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4206 to 2706. [2021-12-07 01:15:51,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4612214312476584) internal successors, (3900), 2705 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3900 transitions. [2021-12-07 01:15:51,953 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3900 transitions. Word has length 124 [2021-12-07 01:15:51,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:51,954 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3900 transitions. [2021-12-07 01:15:51,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3900 transitions. [2021-12-07 01:15:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:51,956 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:51,956 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:51,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 01:15:51,957 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:51,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:51,957 INFO L85 PathProgramCache]: Analyzing trace with hash 310517454, now seen corresponding path program 1 times [2021-12-07 01:15:51,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:51,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155999508] [2021-12-07 01:15:51,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:51,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:52,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:52,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155999508] [2021-12-07 01:15:52,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155999508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:52,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:52,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:15:52,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437502481] [2021-12-07 01:15:52,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:52,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:15:52,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:52,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:15:52,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:15:52,081 INFO L87 Difference]: Start difference. First operand 2706 states and 3900 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:54,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:54,696 INFO L93 Difference]: Finished difference Result 4400 states and 6256 transitions. [2021-12-07 01:15:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:15:54,696 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:15:54,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:54,699 INFO L225 Difference]: With dead ends: 4400 [2021-12-07 01:15:54,699 INFO L226 Difference]: Without dead ends: 4206 [2021-12-07 01:15:54,700 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:54,701 INFO L933 BasicCegarLoop]: 1404 mSDtfsCounter, 14668 mSDsluCounter, 5299 mSDsCounter, 0 mSdLazyCounter, 6093 mSolverCounterSat, 1002 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14668 SdHoareTripleChecker+Valid, 6703 SdHoareTripleChecker+Invalid, 7095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1002 IncrementalHoareTripleChecker+Valid, 6093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:54,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14668 Valid, 6703 Invalid, 7095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1002 Valid, 6093 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:15:54,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4206 states. [2021-12-07 01:15:54,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4206 to 2706. [2021-12-07 01:15:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4604720869239416) internal successors, (3898), 2705 states have internal predecessors, (3898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:54,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3898 transitions. [2021-12-07 01:15:54,887 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3898 transitions. Word has length 124 [2021-12-07 01:15:54,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:54,887 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3898 transitions. [2021-12-07 01:15:54,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:54,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3898 transitions. [2021-12-07 01:15:54,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:54,890 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:54,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:54,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-07 01:15:54,890 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:54,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:54,890 INFO L85 PathProgramCache]: Analyzing trace with hash -2072252740, now seen corresponding path program 1 times [2021-12-07 01:15:54,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:54,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738368304] [2021-12-07 01:15:54,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:54,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:55,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:55,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738368304] [2021-12-07 01:15:55,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738368304] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:55,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:55,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:15:55,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396390608] [2021-12-07 01:15:55,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:55,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:15:55,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:55,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:15:55,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:15:55,018 INFO L87 Difference]: Start difference. First operand 2706 states and 3898 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:57,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:57,820 INFO L93 Difference]: Finished difference Result 4838 states and 6973 transitions. [2021-12-07 01:15:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:15:57,821 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:15:57,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:57,825 INFO L225 Difference]: With dead ends: 4838 [2021-12-07 01:15:57,825 INFO L226 Difference]: Without dead ends: 4522 [2021-12-07 01:15:57,826 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:15:57,826 INFO L933 BasicCegarLoop]: 1584 mSDtfsCounter, 15172 mSDsluCounter, 6727 mSDsCounter, 0 mSdLazyCounter, 7069 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15172 SdHoareTripleChecker+Valid, 8311 SdHoareTripleChecker+Invalid, 7212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 7069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:57,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15172 Valid, 8311 Invalid, 7212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 7069 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:15:57,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2021-12-07 01:15:58,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2706. [2021-12-07 01:15:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4597227426002248) internal successors, (3896), 2705 states have internal predecessors, (3896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:15:58,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3896 transitions. [2021-12-07 01:15:58,030 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3896 transitions. Word has length 124 [2021-12-07 01:15:58,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:58,031 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3896 transitions. [2021-12-07 01:15:58,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:15:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3896 transitions. [2021-12-07 01:15:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:15:58,033 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:58,033 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:58,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-07 01:15:58,034 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:15:58,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:58,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1920744826, now seen corresponding path program 1 times [2021-12-07 01:15:58,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:58,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494252237] [2021-12-07 01:15:58,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:58,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:15:58,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:58,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494252237] [2021-12-07 01:15:58,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494252237] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:58,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:58,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:15:58,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506897156] [2021-12-07 01:15:58,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:58,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:15:58,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:58,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:15:58,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:15:58,176 INFO L87 Difference]: Start difference. First operand 2706 states and 3896 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:16:00,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:00,854 INFO L93 Difference]: Finished difference Result 4400 states and 6252 transitions. [2021-12-07 01:16:00,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:16:00,855 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:16:00,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:00,857 INFO L225 Difference]: With dead ends: 4400 [2021-12-07 01:16:00,858 INFO L226 Difference]: Without dead ends: 4206 [2021-12-07 01:16:00,858 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:16:00,859 INFO L933 BasicCegarLoop]: 1404 mSDtfsCounter, 12670 mSDsluCounter, 5299 mSDsCounter, 0 mSdLazyCounter, 6085 mSolverCounterSat, 820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12670 SdHoareTripleChecker+Valid, 6703 SdHoareTripleChecker+Invalid, 6905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 820 IncrementalHoareTripleChecker+Valid, 6085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:00,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12670 Valid, 6703 Invalid, 6905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [820 Valid, 6085 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:16:00,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4206 states. [2021-12-07 01:16:01,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4206 to 2706. [2021-12-07 01:16:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.458973398276508) internal successors, (3894), 2705 states have internal predecessors, (3894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3894 transitions. [2021-12-07 01:16:01,064 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3894 transitions. Word has length 124 [2021-12-07 01:16:01,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:01,064 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3894 transitions. [2021-12-07 01:16:01,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:16:01,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3894 transitions. [2021-12-07 01:16:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:16:01,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:01,067 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:01,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-07 01:16:01,067 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:01,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:01,067 INFO L85 PathProgramCache]: Analyzing trace with hash -8547724, now seen corresponding path program 1 times [2021-12-07 01:16:01,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:01,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225657134] [2021-12-07 01:16:01,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:01,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:01,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:01,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225657134] [2021-12-07 01:16:01,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225657134] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:01,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:01,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:16:01,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939229637] [2021-12-07 01:16:01,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:01,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:16:01,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:01,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:16:01,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:16:01,195 INFO L87 Difference]: Start difference. First operand 2706 states and 3894 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:16:03,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:03,883 INFO L93 Difference]: Finished difference Result 4588 states and 6571 transitions. [2021-12-07 01:16:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:16:03,883 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:16:03,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:03,887 INFO L225 Difference]: With dead ends: 4588 [2021-12-07 01:16:03,887 INFO L226 Difference]: Without dead ends: 4378 [2021-12-07 01:16:03,888 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:16:03,888 INFO L933 BasicCegarLoop]: 1436 mSDtfsCounter, 8317 mSDsluCounter, 5879 mSDsCounter, 0 mSdLazyCounter, 6351 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8317 SdHoareTripleChecker+Valid, 7315 SdHoareTripleChecker+Invalid, 6653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 6351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:03,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8317 Valid, 7315 Invalid, 6653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 6351 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:16:03,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-12-07 01:16:04,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2706. [2021-12-07 01:16:04,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4582240539527913) internal successors, (3892), 2705 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3892 transitions. [2021-12-07 01:16:04,100 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3892 transitions. Word has length 124 [2021-12-07 01:16:04,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:04,101 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3892 transitions. [2021-12-07 01:16:04,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:16:04,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3892 transitions. [2021-12-07 01:16:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:16:04,103 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:04,103 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:04,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-07 01:16:04,104 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:04,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:04,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1965377242, now seen corresponding path program 1 times [2021-12-07 01:16:04,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:04,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232877838] [2021-12-07 01:16:04,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:04,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:04,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:04,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232877838] [2021-12-07 01:16:04,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232877838] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:04,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:04,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:16:04,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084670365] [2021-12-07 01:16:04,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:04,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:16:04,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:04,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:16:04,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:16:04,241 INFO L87 Difference]: Start difference. First operand 2706 states and 3892 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:16:06,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:06,830 INFO L93 Difference]: Finished difference Result 4586 states and 6566 transitions. [2021-12-07 01:16:06,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:16:06,830 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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 [2021-12-07 01:16:06,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:06,834 INFO L225 Difference]: With dead ends: 4586 [2021-12-07 01:16:06,834 INFO L226 Difference]: Without dead ends: 4378 [2021-12-07 01:16:06,835 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:16:06,835 INFO L933 BasicCegarLoop]: 1436 mSDtfsCounter, 11864 mSDsluCounter, 5889 mSDsCounter, 0 mSdLazyCounter, 6343 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11864 SdHoareTripleChecker+Valid, 7325 SdHoareTripleChecker+Invalid, 6776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 6343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:06,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11864 Valid, 7325 Invalid, 6776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 6343 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:16:06,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-12-07 01:16:07,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 2706. [2021-12-07 01:16:07,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4574747096290745) internal successors, (3890), 2705 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3890 transitions. [2021-12-07 01:16:07,083 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3890 transitions. Word has length 124 [2021-12-07 01:16:07,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:07,083 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3890 transitions. [2021-12-07 01:16:07,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 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) [2021-12-07 01:16:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3890 transitions. [2021-12-07 01:16:07,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-07 01:16:07,085 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:07,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:07,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-07 01:16:07,086 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:07,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:07,086 INFO L85 PathProgramCache]: Analyzing trace with hash 909791, now seen corresponding path program 1 times [2021-12-07 01:16:07,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:07,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245644534] [2021-12-07 01:16:07,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:07,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:07,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:07,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:07,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245644534] [2021-12-07 01:16:07,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245644534] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:07,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:07,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:16:07,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861350990] [2021-12-07 01:16:07,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:07,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:16:07,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:07,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:16:07,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:16:07,192 INFO L87 Difference]: Start difference. First operand 2706 states and 3890 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:09,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:09,185 INFO L93 Difference]: Finished difference Result 4458 states and 6180 transitions. [2021-12-07 01:16:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:16:09,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2021-12-07 01:16:09,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:09,189 INFO L225 Difference]: With dead ends: 4458 [2021-12-07 01:16:09,189 INFO L226 Difference]: Without dead ends: 3370 [2021-12-07 01:16:09,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:16:09,191 INFO L933 BasicCegarLoop]: 1097 mSDtfsCounter, 12895 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 3483 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12895 SdHoareTripleChecker+Valid, 2615 SdHoareTripleChecker+Invalid, 3736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 3483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:09,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12895 Valid, 2615 Invalid, 3736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 3483 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-07 01:16:09,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3370 states. [2021-12-07 01:16:09,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3370 to 2706. [2021-12-07 01:16:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4571000374672163) internal successors, (3889), 2705 states have internal predecessors, (3889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:09,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3889 transitions. [2021-12-07 01:16:09,426 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3889 transitions. Word has length 124 [2021-12-07 01:16:09,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:09,426 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3889 transitions. [2021-12-07 01:16:09,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:09,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3889 transitions. [2021-12-07 01:16:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-07 01:16:09,429 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:09,429 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:09,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-07 01:16:09,430 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:09,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:09,430 INFO L85 PathProgramCache]: Analyzing trace with hash 33266613, now seen corresponding path program 1 times [2021-12-07 01:16:09,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:09,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737307929] [2021-12-07 01:16:09,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:09,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:09,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:09,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737307929] [2021-12-07 01:16:09,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737307929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:09,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:09,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:09,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694513730] [2021-12-07 01:16:09,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:09,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:09,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:09,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:09,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:09,530 INFO L87 Difference]: Start difference. First operand 2706 states and 3889 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:12,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:12,016 INFO L93 Difference]: Finished difference Result 4820 states and 6949 transitions. [2021-12-07 01:16:12,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:16:12,017 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-12-07 01:16:12,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:12,020 INFO L225 Difference]: With dead ends: 4820 [2021-12-07 01:16:12,020 INFO L226 Difference]: Without dead ends: 4554 [2021-12-07 01:16:12,021 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:16:12,022 INFO L933 BasicCegarLoop]: 1631 mSDtfsCounter, 10538 mSDsluCounter, 5431 mSDsCounter, 0 mSdLazyCounter, 5989 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10538 SdHoareTripleChecker+Valid, 7062 SdHoareTripleChecker+Invalid, 6046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 5989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:12,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10538 Valid, 7062 Invalid, 6046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 5989 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:16:12,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2021-12-07 01:16:12,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2021-12-07 01:16:12,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4567253653053578) internal successors, (3888), 2705 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3888 transitions. [2021-12-07 01:16:12,252 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3888 transitions. Word has length 126 [2021-12-07 01:16:12,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:12,252 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3888 transitions. [2021-12-07 01:16:12,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:12,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3888 transitions. [2021-12-07 01:16:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-07 01:16:12,255 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:12,256 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:12,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-07 01:16:12,256 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:12,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:12,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1038120231, now seen corresponding path program 1 times [2021-12-07 01:16:12,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:12,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327377945] [2021-12-07 01:16:12,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:12,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:12,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:12,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327377945] [2021-12-07 01:16:12,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327377945] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:12,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:12,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:12,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951796173] [2021-12-07 01:16:12,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:12,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:12,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:12,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:12,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:12,359 INFO L87 Difference]: Start difference. First operand 2706 states and 3888 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:15,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:15,021 INFO L93 Difference]: Finished difference Result 4765 states and 6862 transitions. [2021-12-07 01:16:15,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:16:15,021 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-12-07 01:16:15,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:15,025 INFO L225 Difference]: With dead ends: 4765 [2021-12-07 01:16:15,025 INFO L226 Difference]: Without dead ends: 4530 [2021-12-07 01:16:15,026 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:16:15,026 INFO L933 BasicCegarLoop]: 1779 mSDtfsCounter, 6489 mSDsluCounter, 5724 mSDsCounter, 0 mSdLazyCounter, 6390 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6489 SdHoareTripleChecker+Valid, 7503 SdHoareTripleChecker+Invalid, 6452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 6390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:15,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6489 Valid, 7503 Invalid, 6452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 6390 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:16:15,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2021-12-07 01:16:15,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2021-12-07 01:16:15,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4563506931434995) internal successors, (3887), 2705 states have internal predecessors, (3887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:15,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3887 transitions. [2021-12-07 01:16:15,294 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3887 transitions. Word has length 126 [2021-12-07 01:16:15,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:15,294 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3887 transitions. [2021-12-07 01:16:15,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:15,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3887 transitions. [2021-12-07 01:16:15,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-07 01:16:15,296 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:15,296 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:15,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-07 01:16:15,297 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:15,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:15,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1698340717, now seen corresponding path program 1 times [2021-12-07 01:16:15,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:15,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576616989] [2021-12-07 01:16:15,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:15,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:15,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:15,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576616989] [2021-12-07 01:16:15,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576616989] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:15,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:15,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:15,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190966853] [2021-12-07 01:16:15,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:15,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:15,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:15,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:15,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:15,400 INFO L87 Difference]: Start difference. First operand 2706 states and 3887 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:18,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:18,306 INFO L93 Difference]: Finished difference Result 4956 states and 7154 transitions. [2021-12-07 01:16:18,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:16:18,306 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-12-07 01:16:18,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:18,309 INFO L225 Difference]: With dead ends: 4956 [2021-12-07 01:16:18,309 INFO L226 Difference]: Without dead ends: 4590 [2021-12-07 01:16:18,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:16:18,311 INFO L933 BasicCegarLoop]: 1845 mSDtfsCounter, 13328 mSDsluCounter, 5969 mSDsCounter, 0 mSdLazyCounter, 6572 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13328 SdHoareTripleChecker+Valid, 7814 SdHoareTripleChecker+Invalid, 6613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 6572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:18,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13328 Valid, 7814 Invalid, 6613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 6572 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:16:18,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2021-12-07 01:16:18,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2021-12-07 01:16:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.455976020981641) internal successors, (3886), 2705 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:18,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3886 transitions. [2021-12-07 01:16:18,562 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3886 transitions. Word has length 126 [2021-12-07 01:16:18,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:18,562 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3886 transitions. [2021-12-07 01:16:18,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3886 transitions. [2021-12-07 01:16:18,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-07 01:16:18,564 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:18,564 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:18,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-07 01:16:18,564 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:18,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:18,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1033236109, now seen corresponding path program 1 times [2021-12-07 01:16:18,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:18,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597785994] [2021-12-07 01:16:18,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:18,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:18,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:18,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597785994] [2021-12-07 01:16:18,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597785994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:18,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:18,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:18,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110463741] [2021-12-07 01:16:18,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:18,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:18,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:18,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:18,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:18,662 INFO L87 Difference]: Start difference. First operand 2706 states and 3886 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:21,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:21,431 INFO L93 Difference]: Finished difference Result 4858 states and 6985 transitions. [2021-12-07 01:16:21,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:16:21,432 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-12-07 01:16:21,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:21,436 INFO L225 Difference]: With dead ends: 4858 [2021-12-07 01:16:21,436 INFO L226 Difference]: Without dead ends: 4554 [2021-12-07 01:16:21,437 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:16:21,437 INFO L933 BasicCegarLoop]: 1735 mSDtfsCounter, 14271 mSDsluCounter, 5693 mSDsCounter, 0 mSdLazyCounter, 6289 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14271 SdHoareTripleChecker+Valid, 7428 SdHoareTripleChecker+Invalid, 6365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 6289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:21,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14271 Valid, 7428 Invalid, 6365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 6289 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:16:21,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2021-12-07 01:16:21,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2021-12-07 01:16:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4556013488197828) internal successors, (3885), 2705 states have internal predecessors, (3885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3885 transitions. [2021-12-07 01:16:21,714 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3885 transitions. Word has length 126 [2021-12-07 01:16:21,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:21,714 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3885 transitions. [2021-12-07 01:16:21,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3885 transitions. [2021-12-07 01:16:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-07 01:16:21,716 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:21,716 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:21,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-07 01:16:21,716 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:21,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:21,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1854981567, now seen corresponding path program 1 times [2021-12-07 01:16:21,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:21,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834728722] [2021-12-07 01:16:21,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:21,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:21,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:21,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834728722] [2021-12-07 01:16:21,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834728722] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:21,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:21,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:16:21,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237808940] [2021-12-07 01:16:21,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:21,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:16:21,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:21,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:16:21,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:16:21,893 INFO L87 Difference]: Start difference. First operand 2706 states and 3885 transitions. Second operand has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:27,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:27,307 INFO L93 Difference]: Finished difference Result 6892 states and 10006 transitions. [2021-12-07 01:16:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:16:27,308 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-12-07 01:16:27,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:27,313 INFO L225 Difference]: With dead ends: 6892 [2021-12-07 01:16:27,313 INFO L226 Difference]: Without dead ends: 6488 [2021-12-07 01:16:27,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:16:27,315 INFO L933 BasicCegarLoop]: 2423 mSDtfsCounter, 17888 mSDsluCounter, 8410 mSDsCounter, 0 mSdLazyCounter, 9196 mSolverCounterSat, 1158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17888 SdHoareTripleChecker+Valid, 10833 SdHoareTripleChecker+Invalid, 10354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1158 IncrementalHoareTripleChecker+Valid, 9196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:27,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17888 Valid, 10833 Invalid, 10354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1158 Valid, 9196 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-07 01:16:27,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6488 states. [2021-12-07 01:16:27,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6488 to 2710. [2021-12-07 01:16:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.454919566030677) internal successors, (3889), 2709 states have internal predecessors, (3889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:27,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3889 transitions. [2021-12-07 01:16:27,606 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3889 transitions. Word has length 126 [2021-12-07 01:16:27,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:27,606 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3889 transitions. [2021-12-07 01:16:27,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:27,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3889 transitions. [2021-12-07 01:16:27,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-07 01:16:27,608 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:27,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:27,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-07 01:16:27,608 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:27,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:27,608 INFO L85 PathProgramCache]: Analyzing trace with hash 2018426482, now seen corresponding path program 1 times [2021-12-07 01:16:27,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:27,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199290566] [2021-12-07 01:16:27,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:27,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:27,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:27,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199290566] [2021-12-07 01:16:27,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199290566] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:27,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:27,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:27,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532450028] [2021-12-07 01:16:27,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:27,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:27,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:27,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:27,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:27,706 INFO L87 Difference]: Start difference. First operand 2710 states and 3889 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:30,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:30,537 INFO L93 Difference]: Finished difference Result 4839 states and 6965 transitions. [2021-12-07 01:16:30,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:16:30,537 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-12-07 01:16:30,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:30,541 INFO L225 Difference]: With dead ends: 4839 [2021-12-07 01:16:30,541 INFO L226 Difference]: Without dead ends: 4558 [2021-12-07 01:16:30,542 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:16:30,543 INFO L933 BasicCegarLoop]: 1790 mSDtfsCounter, 6592 mSDsluCounter, 5863 mSDsCounter, 0 mSdLazyCounter, 6487 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6592 SdHoareTripleChecker+Valid, 7653 SdHoareTripleChecker+Invalid, 6524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 6487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:30,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6592 Valid, 7653 Invalid, 6524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 6487 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:16:30,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2021-12-07 01:16:30,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 2710. [2021-12-07 01:16:30,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4545454545454546) internal successors, (3888), 2709 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3888 transitions. [2021-12-07 01:16:30,855 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3888 transitions. Word has length 126 [2021-12-07 01:16:30,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:30,855 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3888 transitions. [2021-12-07 01:16:30,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3888 transitions. [2021-12-07 01:16:30,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-07 01:16:30,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:30,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:30,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-07 01:16:30,857 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:30,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:30,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1928079841, now seen corresponding path program 1 times [2021-12-07 01:16:30,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:30,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735903308] [2021-12-07 01:16:30,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:30,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:31,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:31,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735903308] [2021-12-07 01:16:31,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735903308] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:31,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:31,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:16:31,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338700408] [2021-12-07 01:16:31,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:31,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:16:31,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:31,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:16:31,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:16:31,003 INFO L87 Difference]: Start difference. First operand 2710 states and 3888 transitions. Second operand has 11 states, 11 states have (on average 11.454545454545455) internal successors, (126), 10 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) [2021-12-07 01:16:33,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:33,870 INFO L93 Difference]: Finished difference Result 4430 states and 6371 transitions. [2021-12-07 01:16:33,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 01:16:33,871 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.454545454545455) internal successors, (126), 10 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 [2021-12-07 01:16:33,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:33,874 INFO L225 Difference]: With dead ends: 4430 [2021-12-07 01:16:33,874 INFO L226 Difference]: Without dead ends: 3332 [2021-12-07 01:16:33,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2021-12-07 01:16:33,875 INFO L933 BasicCegarLoop]: 1600 mSDtfsCounter, 8824 mSDsluCounter, 6154 mSDsCounter, 0 mSdLazyCounter, 6519 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8824 SdHoareTripleChecker+Valid, 7754 SdHoareTripleChecker+Invalid, 6562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 6519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:33,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8824 Valid, 7754 Invalid, 6562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 6519 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:16:33,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2021-12-07 01:16:34,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 2710. [2021-12-07 01:16:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4537972315750094) internal successors, (3886), 2709 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3886 transitions. [2021-12-07 01:16:34,181 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3886 transitions. Word has length 126 [2021-12-07 01:16:34,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:34,181 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3886 transitions. [2021-12-07 01:16:34,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.454545454545455) internal successors, (126), 10 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) [2021-12-07 01:16:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3886 transitions. [2021-12-07 01:16:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-07 01:16:34,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:34,183 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:34,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-07 01:16:34,183 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:34,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:34,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1542798666, now seen corresponding path program 1 times [2021-12-07 01:16:34,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:34,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924596521] [2021-12-07 01:16:34,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:34,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:34,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:34,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924596521] [2021-12-07 01:16:34,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924596521] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:34,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:34,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:34,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899604955] [2021-12-07 01:16:34,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:34,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:34,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:34,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:34,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:34,277 INFO L87 Difference]: Start difference. First operand 2710 states and 3886 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:37,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:37,255 INFO L93 Difference]: Finished difference Result 4994 states and 7188 transitions. [2021-12-07 01:16:37,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:16:37,255 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-12-07 01:16:37,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:37,259 INFO L225 Difference]: With dead ends: 4994 [2021-12-07 01:16:37,259 INFO L226 Difference]: Without dead ends: 4590 [2021-12-07 01:16:37,260 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:16:37,260 INFO L933 BasicCegarLoop]: 2273 mSDtfsCounter, 6229 mSDsluCounter, 6685 mSDsCounter, 0 mSdLazyCounter, 7324 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6229 SdHoareTripleChecker+Valid, 8958 SdHoareTripleChecker+Invalid, 7347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 7324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:37,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6229 Valid, 8958 Invalid, 7347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 7324 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:16:37,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2021-12-07 01:16:37,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2021-12-07 01:16:37,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4541026601723492) internal successors, (3881), 2705 states have internal predecessors, (3881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:37,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3881 transitions. [2021-12-07 01:16:37,563 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3881 transitions. Word has length 127 [2021-12-07 01:16:37,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:37,563 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3881 transitions. [2021-12-07 01:16:37,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:37,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3881 transitions. [2021-12-07 01:16:37,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:16:37,565 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:37,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:37,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-07 01:16:37,566 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:37,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:37,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1672078353, now seen corresponding path program 1 times [2021-12-07 01:16:37,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:37,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023172455] [2021-12-07 01:16:37,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:37,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:37,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:37,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023172455] [2021-12-07 01:16:37,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023172455] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:37,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:37,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:16:37,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280089423] [2021-12-07 01:16:37,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:37,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:16:37,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:37,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:16:37,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:16:37,734 INFO L87 Difference]: Start difference. First operand 2706 states and 3881 transitions. Second operand has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 11 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:43,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:43,260 INFO L93 Difference]: Finished difference Result 6158 states and 8933 transitions. [2021-12-07 01:16:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:16:43,260 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 11 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-07 01:16:43,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:43,264 INFO L225 Difference]: With dead ends: 6158 [2021-12-07 01:16:43,265 INFO L226 Difference]: Without dead ends: 5931 [2021-12-07 01:16:43,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:16:43,266 INFO L933 BasicCegarLoop]: 2043 mSDtfsCounter, 19681 mSDsluCounter, 9267 mSDsCounter, 0 mSdLazyCounter, 9706 mSolverCounterSat, 1429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19681 SdHoareTripleChecker+Valid, 11310 SdHoareTripleChecker+Invalid, 11135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1429 IncrementalHoareTripleChecker+Valid, 9706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:43,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19681 Valid, 11310 Invalid, 11135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1429 Valid, 9706 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-07 01:16:43,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5931 states. [2021-12-07 01:16:43,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5931 to 2710. [2021-12-07 01:16:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4534231200897867) internal successors, (3885), 2709 states have internal predecessors, (3885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3885 transitions. [2021-12-07 01:16:43,627 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3885 transitions. Word has length 128 [2021-12-07 01:16:43,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:43,627 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3885 transitions. [2021-12-07 01:16:43,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 11 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3885 transitions. [2021-12-07 01:16:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:16:43,629 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:43,629 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:43,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-07 01:16:43,629 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:43,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:43,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1420830732, now seen corresponding path program 1 times [2021-12-07 01:16:43,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:43,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412301230] [2021-12-07 01:16:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:43,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:43,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:43,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412301230] [2021-12-07 01:16:43,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412301230] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:43,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:43,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:43,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960207577] [2021-12-07 01:16:43,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:43,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:43,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:43,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:43,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:43,728 INFO L87 Difference]: Start difference. First operand 2710 states and 3885 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:46,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:46,463 INFO L93 Difference]: Finished difference Result 4582 states and 6547 transitions. [2021-12-07 01:16:46,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:16:46,464 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-07 01:16:46,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:46,467 INFO L225 Difference]: With dead ends: 4582 [2021-12-07 01:16:46,467 INFO L226 Difference]: Without dead ends: 4390 [2021-12-07 01:16:46,468 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:16:46,469 INFO L933 BasicCegarLoop]: 1436 mSDtfsCounter, 10582 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5410 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10582 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 5410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:46,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10582 Valid, 6139 Invalid, 5776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 5410 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:16:46,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2021-12-07 01:16:46,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2710. [2021-12-07 01:16:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4530490086045642) internal successors, (3884), 2709 states have internal predecessors, (3884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3884 transitions. [2021-12-07 01:16:46,820 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3884 transitions. Word has length 128 [2021-12-07 01:16:46,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:46,821 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3884 transitions. [2021-12-07 01:16:46,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3884 transitions. [2021-12-07 01:16:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:16:46,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:46,822 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:46,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-07 01:16:46,823 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:46,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:46,823 INFO L85 PathProgramCache]: Analyzing trace with hash -931556890, now seen corresponding path program 1 times [2021-12-07 01:16:46,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:46,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195886028] [2021-12-07 01:16:46,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:46,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:46,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:46,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195886028] [2021-12-07 01:16:46,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195886028] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:46,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:46,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:46,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529600812] [2021-12-07 01:16:46,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:46,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:46,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:46,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:46,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:46,915 INFO L87 Difference]: Start difference. First operand 2710 states and 3884 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:49,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:49,926 INFO L93 Difference]: Finished difference Result 4757 states and 6845 transitions. [2021-12-07 01:16:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:16:49,927 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-07 01:16:49,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:49,930 INFO L225 Difference]: With dead ends: 4757 [2021-12-07 01:16:49,930 INFO L226 Difference]: Without dead ends: 4530 [2021-12-07 01:16:49,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:16:49,932 INFO L933 BasicCegarLoop]: 1904 mSDtfsCounter, 9336 mSDsluCounter, 6256 mSDsCounter, 0 mSdLazyCounter, 6875 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9336 SdHoareTripleChecker+Valid, 8160 SdHoareTripleChecker+Invalid, 6965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 6875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:49,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9336 Valid, 8160 Invalid, 6965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 6875 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:16:49,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2021-12-07 01:16:50,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2021-12-07 01:16:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4526748971193415) internal successors, (3883), 2709 states have internal predecessors, (3883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3883 transitions. [2021-12-07 01:16:50,302 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3883 transitions. Word has length 128 [2021-12-07 01:16:50,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:50,302 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3883 transitions. [2021-12-07 01:16:50,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:50,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3883 transitions. [2021-12-07 01:16:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:16:50,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:50,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:50,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-12-07 01:16:50,304 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:50,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:50,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1604231275, now seen corresponding path program 1 times [2021-12-07 01:16:50,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:50,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169622938] [2021-12-07 01:16:50,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:50,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:50,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:50,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169622938] [2021-12-07 01:16:50,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169622938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:50,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:50,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:50,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516852568] [2021-12-07 01:16:50,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:50,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:50,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:50,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:50,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:50,404 INFO L87 Difference]: Start difference. First operand 2710 states and 3883 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:53,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:53,438 INFO L93 Difference]: Finished difference Result 4765 states and 6852 transitions. [2021-12-07 01:16:53,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:16:53,438 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-07 01:16:53,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:53,441 INFO L225 Difference]: With dead ends: 4765 [2021-12-07 01:16:53,442 INFO L226 Difference]: Without dead ends: 4530 [2021-12-07 01:16:53,443 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:16:53,443 INFO L933 BasicCegarLoop]: 1925 mSDtfsCounter, 9426 mSDsluCounter, 6154 mSDsCounter, 0 mSdLazyCounter, 6781 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9426 SdHoareTripleChecker+Valid, 8079 SdHoareTripleChecker+Invalid, 6872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 6781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:53,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9426 Valid, 8079 Invalid, 6872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 6781 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:16:53,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2021-12-07 01:16:53,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2021-12-07 01:16:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.452300785634119) internal successors, (3882), 2709 states have internal predecessors, (3882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3882 transitions. [2021-12-07 01:16:53,795 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3882 transitions. Word has length 128 [2021-12-07 01:16:53,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:53,796 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3882 transitions. [2021-12-07 01:16:53,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:53,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3882 transitions. [2021-12-07 01:16:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:16:53,797 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:53,798 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:53,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-12-07 01:16:53,806 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:53,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:53,806 INFO L85 PathProgramCache]: Analyzing trace with hash -943249158, now seen corresponding path program 1 times [2021-12-07 01:16:53,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:53,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868552701] [2021-12-07 01:16:53,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:53,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:53,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:53,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868552701] [2021-12-07 01:16:53,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868552701] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:53,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:53,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:53,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124696374] [2021-12-07 01:16:53,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:53,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:53,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:53,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:53,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:53,900 INFO L87 Difference]: Start difference. First operand 2710 states and 3882 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:56,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:56,930 INFO L93 Difference]: Finished difference Result 4757 states and 6842 transitions. [2021-12-07 01:16:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:16:56,931 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-07 01:16:56,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:56,934 INFO L225 Difference]: With dead ends: 4757 [2021-12-07 01:16:56,934 INFO L226 Difference]: Without dead ends: 4530 [2021-12-07 01:16:56,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:16:56,935 INFO L933 BasicCegarLoop]: 1849 mSDtfsCounter, 12757 mSDsluCounter, 6092 mSDsCounter, 0 mSdLazyCounter, 6646 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12757 SdHoareTripleChecker+Valid, 7941 SdHoareTripleChecker+Invalid, 6769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 6646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:56,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12757 Valid, 7941 Invalid, 6769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 6646 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:16:56,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2021-12-07 01:16:57,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2021-12-07 01:16:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4519266741488963) internal successors, (3881), 2709 states have internal predecessors, (3881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:57,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3881 transitions. [2021-12-07 01:16:57,306 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3881 transitions. Word has length 128 [2021-12-07 01:16:57,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:57,306 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3881 transitions. [2021-12-07 01:16:57,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:57,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3881 transitions. [2021-12-07 01:16:57,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:16:57,308 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:57,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:57,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-12-07 01:16:57,309 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:16:57,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:57,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1069708262, now seen corresponding path program 1 times [2021-12-07 01:16:57,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:57,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702470791] [2021-12-07 01:16:57,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:57,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:57,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:57,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:57,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702470791] [2021-12-07 01:16:57,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702470791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:57,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:57,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:57,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845137185] [2021-12-07 01:16:57,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:57,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:57,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:57,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:57,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:57,415 INFO L87 Difference]: Start difference. First operand 2710 states and 3881 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:00,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:00,490 INFO L93 Difference]: Finished difference Result 4409 states and 6241 transitions. [2021-12-07 01:17:00,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:00,490 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-07 01:17:00,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:00,493 INFO L225 Difference]: With dead ends: 4409 [2021-12-07 01:17:00,493 INFO L226 Difference]: Without dead ends: 4218 [2021-12-07 01:17:00,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:17:00,494 INFO L933 BasicCegarLoop]: 1431 mSDtfsCounter, 13233 mSDsluCounter, 4413 mSDsCounter, 0 mSdLazyCounter, 5478 mSolverCounterSat, 929 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13233 SdHoareTripleChecker+Valid, 5844 SdHoareTripleChecker+Invalid, 6407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 929 IncrementalHoareTripleChecker+Valid, 5478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:00,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13233 Valid, 5844 Invalid, 6407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [929 Valid, 5478 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:17:00,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2021-12-07 01:17:00,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 2710. [2021-12-07 01:17:00,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4515525626636738) internal successors, (3880), 2709 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3880 transitions. [2021-12-07 01:17:00,854 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3880 transitions. Word has length 128 [2021-12-07 01:17:00,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:00,855 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3880 transitions. [2021-12-07 01:17:00,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3880 transitions. [2021-12-07 01:17:00,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:17:00,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:00,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:00,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-12-07 01:17:00,857 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:00,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:00,857 INFO L85 PathProgramCache]: Analyzing trace with hash 883623581, now seen corresponding path program 1 times [2021-12-07 01:17:00,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:00,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034546584] [2021-12-07 01:17:00,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:00,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:00,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:00,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034546584] [2021-12-07 01:17:00,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034546584] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:00,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:00,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:00,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427698944] [2021-12-07 01:17:00,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:00,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:00,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:00,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:00,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:00,954 INFO L87 Difference]: Start difference. First operand 2710 states and 3880 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:04,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:04,172 INFO L93 Difference]: Finished difference Result 4928 states and 7085 transitions. [2021-12-07 01:17:04,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:04,173 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-07 01:17:04,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:04,176 INFO L225 Difference]: With dead ends: 4928 [2021-12-07 01:17:04,176 INFO L226 Difference]: Without dead ends: 4558 [2021-12-07 01:17:04,177 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:17:04,177 INFO L933 BasicCegarLoop]: 1901 mSDtfsCounter, 12979 mSDsluCounter, 6229 mSDsCounter, 0 mSdLazyCounter, 6805 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12979 SdHoareTripleChecker+Valid, 8130 SdHoareTripleChecker+Invalid, 6878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 6805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:04,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12979 Valid, 8130 Invalid, 6878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 6805 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:17:04,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2021-12-07 01:17:04,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 2710. [2021-12-07 01:17:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4508043396932286) internal successors, (3878), 2709 states have internal predecessors, (3878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:04,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3878 transitions. [2021-12-07 01:17:04,557 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3878 transitions. Word has length 128 [2021-12-07 01:17:04,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:04,557 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3878 transitions. [2021-12-07 01:17:04,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:04,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3878 transitions. [2021-12-07 01:17:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:17:04,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:04,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:04,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-12-07 01:17:04,559 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:04,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:04,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1715317699, now seen corresponding path program 1 times [2021-12-07 01:17:04,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:04,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341096190] [2021-12-07 01:17:04,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:04,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:04,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:04,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341096190] [2021-12-07 01:17:04,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341096190] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:04,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:04,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:04,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251811600] [2021-12-07 01:17:04,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:04,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:04,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:04,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:04,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:04,654 INFO L87 Difference]: Start difference. First operand 2710 states and 3878 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:07,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:07,819 INFO L93 Difference]: Finished difference Result 4798 states and 6900 transitions. [2021-12-07 01:17:07,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:07,819 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-07 01:17:07,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:07,822 INFO L225 Difference]: With dead ends: 4798 [2021-12-07 01:17:07,822 INFO L226 Difference]: Without dead ends: 4530 [2021-12-07 01:17:07,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:17:07,824 INFO L933 BasicCegarLoop]: 1920 mSDtfsCounter, 9260 mSDsluCounter, 6306 mSDsCounter, 0 mSdLazyCounter, 6901 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9260 SdHoareTripleChecker+Valid, 8226 SdHoareTripleChecker+Invalid, 6992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 6901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:07,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9260 Valid, 8226 Invalid, 6992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 6901 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:17:07,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2021-12-07 01:17:08,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2021-12-07 01:17:08,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4500561167227835) internal successors, (3876), 2709 states have internal predecessors, (3876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3876 transitions. [2021-12-07 01:17:08,201 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3876 transitions. Word has length 128 [2021-12-07 01:17:08,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:08,202 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3876 transitions. [2021-12-07 01:17:08,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3876 transitions. [2021-12-07 01:17:08,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:17:08,204 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:08,204 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:08,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-12-07 01:17:08,204 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:08,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:08,204 INFO L85 PathProgramCache]: Analyzing trace with hash 295990348, now seen corresponding path program 1 times [2021-12-07 01:17:08,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:08,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931739499] [2021-12-07 01:17:08,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:08,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:08,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:08,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:08,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931739499] [2021-12-07 01:17:08,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931739499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:08,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:08,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:08,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042514658] [2021-12-07 01:17:08,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:08,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:08,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:08,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:08,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:08,305 INFO L87 Difference]: Start difference. First operand 2710 states and 3876 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:11,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:11,573 INFO L93 Difference]: Finished difference Result 4808 states and 6907 transitions. [2021-12-07 01:17:11,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:11,573 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-07 01:17:11,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:11,577 INFO L225 Difference]: With dead ends: 4808 [2021-12-07 01:17:11,577 INFO L226 Difference]: Without dead ends: 4530 [2021-12-07 01:17:11,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:17:11,578 INFO L933 BasicCegarLoop]: 1920 mSDtfsCounter, 12344 mSDsluCounter, 6299 mSDsCounter, 0 mSdLazyCounter, 6887 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12344 SdHoareTripleChecker+Valid, 8219 SdHoareTripleChecker+Invalid, 7007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 6887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:11,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12344 Valid, 8219 Invalid, 7007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 6887 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:17:11,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2021-12-07 01:17:12,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2021-12-07 01:17:12,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4493078937523383) internal successors, (3874), 2709 states have internal predecessors, (3874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3874 transitions. [2021-12-07 01:17:12,022 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3874 transitions. Word has length 128 [2021-12-07 01:17:12,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:12,022 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3874 transitions. [2021-12-07 01:17:12,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3874 transitions. [2021-12-07 01:17:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:17:12,024 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:12,024 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:12,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-12-07 01:17:12,024 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:12,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:12,025 INFO L85 PathProgramCache]: Analyzing trace with hash -649704393, now seen corresponding path program 1 times [2021-12-07 01:17:12,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:12,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796239548] [2021-12-07 01:17:12,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:12,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:12,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:12,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796239548] [2021-12-07 01:17:12,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796239548] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:12,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:12,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:12,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513719568] [2021-12-07 01:17:12,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:12,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:12,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:12,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:12,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:12,116 INFO L87 Difference]: Start difference. First operand 2710 states and 3874 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:15,334 INFO L93 Difference]: Finished difference Result 4964 states and 7119 transitions. [2021-12-07 01:17:15,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:15,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-07 01:17:15,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:15,339 INFO L225 Difference]: With dead ends: 4964 [2021-12-07 01:17:15,340 INFO L226 Difference]: Without dead ends: 4558 [2021-12-07 01:17:15,341 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:17:15,342 INFO L933 BasicCegarLoop]: 1905 mSDtfsCounter, 6576 mSDsluCounter, 6206 mSDsCounter, 0 mSdLazyCounter, 6777 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6576 SdHoareTripleChecker+Valid, 8111 SdHoareTripleChecker+Invalid, 6815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 6777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:15,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6576 Valid, 8111 Invalid, 6815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 6777 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:17:15,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2021-12-07 01:17:15,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 2710. [2021-12-07 01:17:15,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.448559670781893) internal successors, (3872), 2709 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:15,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3872 transitions. [2021-12-07 01:17:15,773 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3872 transitions. Word has length 128 [2021-12-07 01:17:15,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:15,773 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3872 transitions. [2021-12-07 01:17:15,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3872 transitions. [2021-12-07 01:17:15,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:17:15,776 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:15,776 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:15,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-12-07 01:17:15,776 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:15,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:15,777 INFO L85 PathProgramCache]: Analyzing trace with hash 757045227, now seen corresponding path program 1 times [2021-12-07 01:17:15,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:15,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476731427] [2021-12-07 01:17:15,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:15,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:15,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:15,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476731427] [2021-12-07 01:17:15,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476731427] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:15,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:15,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:15,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610546802] [2021-12-07 01:17:15,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:15,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:15,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:15,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:15,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:15,867 INFO L87 Difference]: Start difference. First operand 2710 states and 3872 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:18,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:18,816 INFO L93 Difference]: Finished difference Result 4412 states and 6235 transitions. [2021-12-07 01:17:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:18,816 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-07 01:17:18,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:18,820 INFO L225 Difference]: With dead ends: 4412 [2021-12-07 01:17:18,820 INFO L226 Difference]: Without dead ends: 4218 [2021-12-07 01:17:18,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:17:18,821 INFO L933 BasicCegarLoop]: 1431 mSDtfsCounter, 13206 mSDsluCounter, 4413 mSDsCounter, 0 mSdLazyCounter, 5461 mSolverCounterSat, 929 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13206 SdHoareTripleChecker+Valid, 5844 SdHoareTripleChecker+Invalid, 6390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 929 IncrementalHoareTripleChecker+Valid, 5461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:18,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13206 Valid, 5844 Invalid, 6390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [929 Valid, 5461 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:17:18,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2021-12-07 01:17:19,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 2710. [2021-12-07 01:17:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4478114478114479) internal successors, (3870), 2709 states have internal predecessors, (3870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:19,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3870 transitions. [2021-12-07 01:17:19,223 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3870 transitions. Word has length 128 [2021-12-07 01:17:19,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:19,223 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3870 transitions. [2021-12-07 01:17:19,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:19,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3870 transitions. [2021-12-07 01:17:19,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-12-07 01:17:19,225 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:19,225 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:19,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-12-07 01:17:19,225 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:19,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:19,226 INFO L85 PathProgramCache]: Analyzing trace with hash 45108125, now seen corresponding path program 1 times [2021-12-07 01:17:19,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:19,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739398644] [2021-12-07 01:17:19,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:19,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:19,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:19,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739398644] [2021-12-07 01:17:19,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739398644] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:19,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:19,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:19,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847752410] [2021-12-07 01:17:19,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:19,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:19,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:19,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:19,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:19,330 INFO L87 Difference]: Start difference. First operand 2710 states and 3870 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:22,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:22,853 INFO L93 Difference]: Finished difference Result 4757 states and 6830 transitions. [2021-12-07 01:17:22,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:22,853 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2021-12-07 01:17:22,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:22,857 INFO L225 Difference]: With dead ends: 4757 [2021-12-07 01:17:22,857 INFO L226 Difference]: Without dead ends: 4530 [2021-12-07 01:17:22,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:17:22,858 INFO L933 BasicCegarLoop]: 2107 mSDtfsCounter, 8964 mSDsluCounter, 6643 mSDsCounter, 0 mSdLazyCounter, 7378 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8964 SdHoareTripleChecker+Valid, 8750 SdHoareTripleChecker+Invalid, 7466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 7378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:22,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8964 Valid, 8750 Invalid, 7466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 7378 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-07 01:17:22,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2021-12-07 01:17:23,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2021-12-07 01:17:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4481079055826152) internal successors, (3865), 2705 states have internal predecessors, (3865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:23,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3865 transitions. [2021-12-07 01:17:23,278 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3865 transitions. Word has length 129 [2021-12-07 01:17:23,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:23,278 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3865 transitions. [2021-12-07 01:17:23,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3865 transitions. [2021-12-07 01:17:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:17:23,280 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:23,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:23,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-12-07 01:17:23,281 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:23,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:23,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1772568616, now seen corresponding path program 1 times [2021-12-07 01:17:23,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:23,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299693367] [2021-12-07 01:17:23,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:23,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:23,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:23,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:23,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299693367] [2021-12-07 01:17:23,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299693367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:23,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:23,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:23,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897927547] [2021-12-07 01:17:23,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:23,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:23,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:23,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:23,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:23,390 INFO L87 Difference]: Start difference. First operand 2706 states and 3865 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:27,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:27,178 INFO L93 Difference]: Finished difference Result 4685 states and 6710 transitions. [2021-12-07 01:17:27,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:27,178 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:17:27,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:27,181 INFO L225 Difference]: With dead ends: 4685 [2021-12-07 01:17:27,182 INFO L226 Difference]: Without dead ends: 4482 [2021-12-07 01:17:27,182 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:17:27,183 INFO L933 BasicCegarLoop]: 1829 mSDtfsCounter, 11267 mSDsluCounter, 7616 mSDsCounter, 0 mSdLazyCounter, 7930 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11267 SdHoareTripleChecker+Valid, 9445 SdHoareTripleChecker+Invalid, 8112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 7930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:27,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11267 Valid, 9445 Invalid, 8112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 7930 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-07 01:17:27,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2021-12-07 01:17:27,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 2706. [2021-12-07 01:17:27,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4477332334207569) internal successors, (3864), 2705 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3864 transitions. [2021-12-07 01:17:27,615 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3864 transitions. Word has length 130 [2021-12-07 01:17:27,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:27,616 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3864 transitions. [2021-12-07 01:17:27,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3864 transitions. [2021-12-07 01:17:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:17:27,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:27,618 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:27,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-12-07 01:17:27,618 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:27,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:27,618 INFO L85 PathProgramCache]: Analyzing trace with hash -832098387, now seen corresponding path program 1 times [2021-12-07 01:17:27,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:27,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369918410] [2021-12-07 01:17:27,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:27,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:27,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:27,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369918410] [2021-12-07 01:17:27,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369918410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:27,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:27,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:27,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766465243] [2021-12-07 01:17:27,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:27,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:27,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:27,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:27,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:27,705 INFO L87 Difference]: Start difference. First operand 2706 states and 3864 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:30,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:30,868 INFO L93 Difference]: Finished difference Result 4402 states and 6218 transitions. [2021-12-07 01:17:30,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:30,868 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:17:30,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:30,872 INFO L225 Difference]: With dead ends: 4402 [2021-12-07 01:17:30,872 INFO L226 Difference]: Without dead ends: 4214 [2021-12-07 01:17:30,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:17:30,873 INFO L933 BasicCegarLoop]: 1502 mSDtfsCounter, 9806 mSDsluCounter, 4631 mSDsCounter, 0 mSdLazyCounter, 5671 mSolverCounterSat, 681 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9806 SdHoareTripleChecker+Valid, 6133 SdHoareTripleChecker+Invalid, 6352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 5671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:30,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9806 Valid, 6133 Invalid, 6352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [681 Valid, 5671 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:17:30,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2021-12-07 01:17:31,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2021-12-07 01:17:31,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4473585612588984) internal successors, (3863), 2705 states have internal predecessors, (3863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:31,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3863 transitions. [2021-12-07 01:17:31,314 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3863 transitions. Word has length 130 [2021-12-07 01:17:31,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:31,314 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3863 transitions. [2021-12-07 01:17:31,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3863 transitions. [2021-12-07 01:17:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:17:31,316 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:31,317 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:31,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-12-07 01:17:31,317 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:31,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:31,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1400633873, now seen corresponding path program 1 times [2021-12-07 01:17:31,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:31,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846910066] [2021-12-07 01:17:31,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:31,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:31,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:31,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:31,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846910066] [2021-12-07 01:17:31,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846910066] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:31,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:31,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:31,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628310418] [2021-12-07 01:17:31,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:31,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:31,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:31,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:31,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:31,437 INFO L87 Difference]: Start difference. First operand 2706 states and 3863 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:34,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:34,760 INFO L93 Difference]: Finished difference Result 4750 states and 6814 transitions. [2021-12-07 01:17:34,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:34,760 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:17:34,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:34,764 INFO L225 Difference]: With dead ends: 4750 [2021-12-07 01:17:34,764 INFO L226 Difference]: Without dead ends: 4530 [2021-12-07 01:17:34,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:17:34,765 INFO L933 BasicCegarLoop]: 2082 mSDtfsCounter, 11324 mSDsluCounter, 6819 mSDsCounter, 0 mSdLazyCounter, 7486 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11324 SdHoareTripleChecker+Valid, 8901 SdHoareTripleChecker+Invalid, 7599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 7486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:34,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11324 Valid, 8901 Invalid, 7599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 7486 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:17:34,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2021-12-07 01:17:35,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2021-12-07 01:17:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4469838890970401) internal successors, (3862), 2705 states have internal predecessors, (3862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3862 transitions. [2021-12-07 01:17:35,209 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3862 transitions. Word has length 130 [2021-12-07 01:17:35,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:35,210 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3862 transitions. [2021-12-07 01:17:35,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3862 transitions. [2021-12-07 01:17:35,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:17:35,212 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:35,212 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:35,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-12-07 01:17:35,212 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:35,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:35,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1004203123, now seen corresponding path program 1 times [2021-12-07 01:17:35,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:35,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586284042] [2021-12-07 01:17:35,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:35,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:35,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:35,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:35,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586284042] [2021-12-07 01:17:35,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586284042] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:35,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:35,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:35,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640038339] [2021-12-07 01:17:35,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:35,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:35,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:35,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:35,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:35,299 INFO L87 Difference]: Start difference. First operand 2706 states and 3862 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:38,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:38,236 INFO L93 Difference]: Finished difference Result 4580 states and 6521 transitions. [2021-12-07 01:17:38,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:38,236 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:17:38,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:38,239 INFO L225 Difference]: With dead ends: 4580 [2021-12-07 01:17:38,239 INFO L226 Difference]: Without dead ends: 4386 [2021-12-07 01:17:38,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:17:38,241 INFO L933 BasicCegarLoop]: 1450 mSDtfsCounter, 14009 mSDsluCounter, 4745 mSDsCounter, 0 mSdLazyCounter, 5406 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14009 SdHoareTripleChecker+Valid, 6195 SdHoareTripleChecker+Invalid, 5901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 5406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:38,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14009 Valid, 6195 Invalid, 5901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 5406 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:17:38,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2021-12-07 01:17:38,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2021-12-07 01:17:38,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4466092169351816) internal successors, (3861), 2705 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3861 transitions. [2021-12-07 01:17:38,670 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3861 transitions. Word has length 130 [2021-12-07 01:17:38,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:38,671 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3861 transitions. [2021-12-07 01:17:38,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3861 transitions. [2021-12-07 01:17:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:17:38,672 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:38,672 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:38,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-12-07 01:17:38,673 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:38,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:38,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1677688633, now seen corresponding path program 1 times [2021-12-07 01:17:38,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:38,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133688400] [2021-12-07 01:17:38,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:38,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:38,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:38,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133688400] [2021-12-07 01:17:38,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133688400] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:38,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:38,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:38,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160735126] [2021-12-07 01:17:38,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:38,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:38,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:38,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:38,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:38,761 INFO L87 Difference]: Start difference. First operand 2706 states and 3861 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:41,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:41,740 INFO L93 Difference]: Finished difference Result 4584 states and 6522 transitions. [2021-12-07 01:17:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:41,741 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:17:41,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:41,744 INFO L225 Difference]: With dead ends: 4584 [2021-12-07 01:17:41,744 INFO L226 Difference]: Without dead ends: 4386 [2021-12-07 01:17:41,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:17:41,745 INFO L933 BasicCegarLoop]: 1450 mSDtfsCounter, 6937 mSDsluCounter, 4742 mSDsCounter, 0 mSdLazyCounter, 5399 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6937 SdHoareTripleChecker+Valid, 6192 SdHoareTripleChecker+Invalid, 5633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 5399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:41,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6937 Valid, 6192 Invalid, 5633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 5399 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:17:41,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2021-12-07 01:17:42,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2021-12-07 01:17:42,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4462345447733234) internal successors, (3860), 2705 states have internal predecessors, (3860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:42,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3860 transitions. [2021-12-07 01:17:42,182 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3860 transitions. Word has length 130 [2021-12-07 01:17:42,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:42,183 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3860 transitions. [2021-12-07 01:17:42,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3860 transitions. [2021-12-07 01:17:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:17:42,184 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:42,185 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:42,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-12-07 01:17:42,185 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:42,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:42,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1493970645, now seen corresponding path program 1 times [2021-12-07 01:17:42,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:42,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468006353] [2021-12-07 01:17:42,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:42,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:42,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:42,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468006353] [2021-12-07 01:17:42,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468006353] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:42,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:42,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:42,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701898047] [2021-12-07 01:17:42,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:42,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:42,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:42,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:42,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:42,277 INFO L87 Difference]: Start difference. First operand 2706 states and 3860 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:45,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:45,254 INFO L93 Difference]: Finished difference Result 4578 states and 6515 transitions. [2021-12-07 01:17:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:45,255 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:17:45,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:45,259 INFO L225 Difference]: With dead ends: 4578 [2021-12-07 01:17:45,259 INFO L226 Difference]: Without dead ends: 4386 [2021-12-07 01:17:45,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:17:45,261 INFO L933 BasicCegarLoop]: 1450 mSDtfsCounter, 13992 mSDsluCounter, 4745 mSDsCounter, 0 mSdLazyCounter, 5398 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13992 SdHoareTripleChecker+Valid, 6195 SdHoareTripleChecker+Invalid, 5893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 5398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:45,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13992 Valid, 6195 Invalid, 5893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 5398 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:17:45,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2021-12-07 01:17:45,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2021-12-07 01:17:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4458598726114649) internal successors, (3859), 2705 states have internal predecessors, (3859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:45,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3859 transitions. [2021-12-07 01:17:45,719 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3859 transitions. Word has length 130 [2021-12-07 01:17:45,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:45,719 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3859 transitions. [2021-12-07 01:17:45,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3859 transitions. [2021-12-07 01:17:45,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:17:45,721 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:45,721 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:45,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-12-07 01:17:45,722 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:45,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:45,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1800044644, now seen corresponding path program 1 times [2021-12-07 01:17:45,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:45,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743837476] [2021-12-07 01:17:45,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:45,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:45,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:45,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743837476] [2021-12-07 01:17:45,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743837476] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:45,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:45,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:45,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974867992] [2021-12-07 01:17:45,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:45,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:45,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:45,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:45,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:45,809 INFO L87 Difference]: Start difference. First operand 2706 states and 3859 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:48,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:48,764 INFO L93 Difference]: Finished difference Result 4580 states and 6515 transitions. [2021-12-07 01:17:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:48,764 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:17:48,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:48,768 INFO L225 Difference]: With dead ends: 4580 [2021-12-07 01:17:48,768 INFO L226 Difference]: Without dead ends: 4386 [2021-12-07 01:17:48,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:17:48,769 INFO L933 BasicCegarLoop]: 1450 mSDtfsCounter, 10455 mSDsluCounter, 4745 mSDsCounter, 0 mSdLazyCounter, 5391 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10455 SdHoareTripleChecker+Valid, 6195 SdHoareTripleChecker+Invalid, 5755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 5391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:48,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10455 Valid, 6195 Invalid, 5755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 5391 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-07 01:17:48,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2021-12-07 01:17:49,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2021-12-07 01:17:49,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4454852004496066) internal successors, (3858), 2705 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3858 transitions. [2021-12-07 01:17:49,252 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3858 transitions. Word has length 130 [2021-12-07 01:17:49,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:49,253 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3858 transitions. [2021-12-07 01:17:49,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:49,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3858 transitions. [2021-12-07 01:17:49,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:17:49,255 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:49,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:49,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-12-07 01:17:49,255 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:49,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:49,255 INFO L85 PathProgramCache]: Analyzing trace with hash -86761087, now seen corresponding path program 1 times [2021-12-07 01:17:49,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:49,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193943398] [2021-12-07 01:17:49,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:49,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:49,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:49,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:49,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193943398] [2021-12-07 01:17:49,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193943398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:49,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:49,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:49,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214926732] [2021-12-07 01:17:49,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:49,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:49,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:49,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:49,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:49,365 INFO L87 Difference]: Start difference. First operand 2706 states and 3858 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:53,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:53,273 INFO L93 Difference]: Finished difference Result 4687 states and 6702 transitions. [2021-12-07 01:17:53,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:53,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:17:53,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:53,277 INFO L225 Difference]: With dead ends: 4687 [2021-12-07 01:17:53,277 INFO L226 Difference]: Without dead ends: 4482 [2021-12-07 01:17:53,278 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:17:53,278 INFO L933 BasicCegarLoop]: 1857 mSDtfsCounter, 11196 mSDsluCounter, 7695 mSDsCounter, 0 mSdLazyCounter, 7968 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11196 SdHoareTripleChecker+Valid, 9552 SdHoareTripleChecker+Invalid, 8149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 7968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:53,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11196 Valid, 9552 Invalid, 8149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 7968 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-07 01:17:53,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2021-12-07 01:17:53,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 2706. [2021-12-07 01:17:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4451105282877483) internal successors, (3857), 2705 states have internal predecessors, (3857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:53,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3857 transitions. [2021-12-07 01:17:53,741 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3857 transitions. Word has length 130 [2021-12-07 01:17:53,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:53,741 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3857 transitions. [2021-12-07 01:17:53,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:53,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3857 transitions. [2021-12-07 01:17:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:17:53,743 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:53,743 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:53,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-12-07 01:17:53,743 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:53,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:53,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1700598258, now seen corresponding path program 1 times [2021-12-07 01:17:53,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:53,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580713913] [2021-12-07 01:17:53,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:53,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:53,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:53,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:53,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580713913] [2021-12-07 01:17:53,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580713913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:53,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:53,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:53,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226800599] [2021-12-07 01:17:53,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:53,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:53,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:53,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:53,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:53,840 INFO L87 Difference]: Start difference. First operand 2706 states and 3857 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:56,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:56,964 INFO L93 Difference]: Finished difference Result 4405 states and 6213 transitions. [2021-12-07 01:17:56,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:17:56,964 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:17:56,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:56,967 INFO L225 Difference]: With dead ends: 4405 [2021-12-07 01:17:56,967 INFO L226 Difference]: Without dead ends: 4214 [2021-12-07 01:17:56,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:17:56,969 INFO L933 BasicCegarLoop]: 1454 mSDtfsCounter, 9961 mSDsluCounter, 4482 mSDsCounter, 0 mSdLazyCounter, 5511 mSolverCounterSat, 676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9961 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 6187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 5511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:56,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9961 Valid, 5936 Invalid, 6187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [676 Valid, 5511 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:17:56,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2021-12-07 01:17:57,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2021-12-07 01:17:57,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4447358561258898) internal successors, (3856), 2705 states have internal predecessors, (3856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:57,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3856 transitions. [2021-12-07 01:17:57,439 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3856 transitions. Word has length 130 [2021-12-07 01:17:57,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:57,439 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3856 transitions. [2021-12-07 01:17:57,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:17:57,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3856 transitions. [2021-12-07 01:17:57,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:17:57,441 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:57,441 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:57,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-12-07 01:17:57,442 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:57,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:57,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1577480616, now seen corresponding path program 1 times [2021-12-07 01:17:57,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:57,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773825006] [2021-12-07 01:17:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:57,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:17:57,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:57,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773825006] [2021-12-07 01:17:57,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773825006] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:57,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:57,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:57,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031261759] [2021-12-07 01:17:57,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:57,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:17:57,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:57,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:17:57,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:17:57,539 INFO L87 Difference]: Start difference. First operand 2706 states and 3856 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:00,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:00,962 INFO L93 Difference]: Finished difference Result 4687 states and 6699 transitions. [2021-12-07 01:18:00,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:00,962 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:00,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:00,966 INFO L225 Difference]: With dead ends: 4687 [2021-12-07 01:18:00,966 INFO L226 Difference]: Without dead ends: 4482 [2021-12-07 01:18:00,967 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:18:00,967 INFO L933 BasicCegarLoop]: 1870 mSDtfsCounter, 9336 mSDsluCounter, 6010 mSDsCounter, 0 mSdLazyCounter, 6630 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9336 SdHoareTripleChecker+Valid, 7880 SdHoareTripleChecker+Invalid, 6801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 6630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:00,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9336 Valid, 7880 Invalid, 6801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 6630 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:18:00,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2021-12-07 01:18:01,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 2706. [2021-12-07 01:18:01,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4443611839640316) internal successors, (3855), 2705 states have internal predecessors, (3855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:01,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3855 transitions. [2021-12-07 01:18:01,454 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3855 transitions. Word has length 130 [2021-12-07 01:18:01,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:01,454 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3855 transitions. [2021-12-07 01:18:01,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:01,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3855 transitions. [2021-12-07 01:18:01,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:01,456 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:01,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:01,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-12-07 01:18:01,456 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:01,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:01,456 INFO L85 PathProgramCache]: Analyzing trace with hash -59782098, now seen corresponding path program 1 times [2021-12-07 01:18:01,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:01,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114538360] [2021-12-07 01:18:01,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:01,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:01,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:01,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114538360] [2021-12-07 01:18:01,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114538360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:01,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:01,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:18:01,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701306032] [2021-12-07 01:18:01,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:01,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:18:01,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:01,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:18:01,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:18:01,566 INFO L87 Difference]: Start difference. First operand 2706 states and 3855 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:04,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:04,695 INFO L93 Difference]: Finished difference Result 4584 states and 6513 transitions. [2021-12-07 01:18:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:04,695 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:04,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:04,698 INFO L225 Difference]: With dead ends: 4584 [2021-12-07 01:18:04,698 INFO L226 Difference]: Without dead ends: 4386 [2021-12-07 01:18:04,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:18:04,699 INFO L933 BasicCegarLoop]: 1480 mSDtfsCounter, 13811 mSDsluCounter, 4830 mSDsCounter, 0 mSdLazyCounter, 5476 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13811 SdHoareTripleChecker+Valid, 6310 SdHoareTripleChecker+Invalid, 5965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 5476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:04,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13811 Valid, 6310 Invalid, 5965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 5476 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:18:04,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2021-12-07 01:18:05,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2021-12-07 01:18:05,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.443986511802173) internal successors, (3854), 2705 states have internal predecessors, (3854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3854 transitions. [2021-12-07 01:18:05,195 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3854 transitions. Word has length 130 [2021-12-07 01:18:05,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:05,196 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3854 transitions. [2021-12-07 01:18:05,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3854 transitions. [2021-12-07 01:18:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:05,197 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:05,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:05,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-12-07 01:18:05,198 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:05,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:05,198 INFO L85 PathProgramCache]: Analyzing trace with hash -948826908, now seen corresponding path program 1 times [2021-12-07 01:18:05,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:05,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580967124] [2021-12-07 01:18:05,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:05,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:05,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:05,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:05,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580967124] [2021-12-07 01:18:05,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580967124] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:05,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:05,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:18:05,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686660304] [2021-12-07 01:18:05,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:05,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:18:05,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:05,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:18:05,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:18:05,359 INFO L87 Difference]: Start difference. First operand 2706 states and 3854 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:11,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:11,385 INFO L93 Difference]: Finished difference Result 6204 states and 8941 transitions. [2021-12-07 01:18:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:18:11,385 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:11,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:11,390 INFO L225 Difference]: With dead ends: 6204 [2021-12-07 01:18:11,390 INFO L226 Difference]: Without dead ends: 5954 [2021-12-07 01:18:11,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:18:11,391 INFO L933 BasicCegarLoop]: 2222 mSDtfsCounter, 15422 mSDsluCounter, 7758 mSDsCounter, 0 mSdLazyCounter, 8373 mSolverCounterSat, 1131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15422 SdHoareTripleChecker+Valid, 9980 SdHoareTripleChecker+Invalid, 9504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1131 IncrementalHoareTripleChecker+Valid, 8373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:11,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15422 Valid, 9980 Invalid, 9504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1131 Valid, 8373 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-07 01:18:11,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5954 states. [2021-12-07 01:18:11,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5954 to 2710. [2021-12-07 01:18:11,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4433221099887767) internal successors, (3858), 2709 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:11,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3858 transitions. [2021-12-07 01:18:11,883 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3858 transitions. Word has length 130 [2021-12-07 01:18:11,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:11,883 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3858 transitions. [2021-12-07 01:18:11,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:11,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3858 transitions. [2021-12-07 01:18:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:11,885 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:11,885 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:11,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-12-07 01:18:11,885 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:11,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:11,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1179085933, now seen corresponding path program 1 times [2021-12-07 01:18:11,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:11,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604373255] [2021-12-07 01:18:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:11,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:11,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:11,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604373255] [2021-12-07 01:18:11,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604373255] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:11,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:11,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:18:11,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256958796] [2021-12-07 01:18:11,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:11,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:18:11,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:11,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:18:11,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:18:11,994 INFO L87 Difference]: Start difference. First operand 2710 states and 3858 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:15,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:15,770 INFO L93 Difference]: Finished difference Result 4691 states and 6700 transitions. [2021-12-07 01:18:15,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:15,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:15,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:15,775 INFO L225 Difference]: With dead ends: 4691 [2021-12-07 01:18:15,775 INFO L226 Difference]: Without dead ends: 4486 [2021-12-07 01:18:15,776 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:18:15,777 INFO L933 BasicCegarLoop]: 1794 mSDtfsCounter, 11292 mSDsluCounter, 7508 mSDsCounter, 0 mSdLazyCounter, 7735 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11292 SdHoareTripleChecker+Valid, 9302 SdHoareTripleChecker+Invalid, 7918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 7735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:15,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11292 Valid, 9302 Invalid, 7918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 7735 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-07 01:18:15,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2021-12-07 01:18:16,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2021-12-07 01:18:16,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.442947998503554) internal successors, (3857), 2709 states have internal predecessors, (3857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3857 transitions. [2021-12-07 01:18:16,265 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3857 transitions. Word has length 130 [2021-12-07 01:18:16,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:16,265 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3857 transitions. [2021-12-07 01:18:16,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3857 transitions. [2021-12-07 01:18:16,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:16,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:16,267 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:16,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-12-07 01:18:16,267 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:16,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:16,268 INFO L85 PathProgramCache]: Analyzing trace with hash -2146430233, now seen corresponding path program 1 times [2021-12-07 01:18:16,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:16,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566714560] [2021-12-07 01:18:16,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:16,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:16,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:16,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566714560] [2021-12-07 01:18:16,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566714560] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:16,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:16,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:18:16,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364505616] [2021-12-07 01:18:16,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:16,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:18:16,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:16,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:18:16,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:18:16,359 INFO L87 Difference]: Start difference. First operand 2710 states and 3857 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:19,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:19,523 INFO L93 Difference]: Finished difference Result 4588 states and 6513 transitions. [2021-12-07 01:18:19,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:19,524 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:19,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:19,527 INFO L225 Difference]: With dead ends: 4588 [2021-12-07 01:18:19,527 INFO L226 Difference]: Without dead ends: 4390 [2021-12-07 01:18:19,527 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:18:19,528 INFO L933 BasicCegarLoop]: 1436 mSDtfsCounter, 10640 mSDsluCounter, 4750 mSDsCounter, 0 mSdLazyCounter, 5350 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10640 SdHoareTripleChecker+Valid, 6186 SdHoareTripleChecker+Invalid, 5711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 5350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:19,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10640 Valid, 6186 Invalid, 5711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 5350 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:18:19,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2021-12-07 01:18:20,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2710. [2021-12-07 01:18:20,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4425738870183316) internal successors, (3856), 2709 states have internal predecessors, (3856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:20,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3856 transitions. [2021-12-07 01:18:20,021 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3856 transitions. Word has length 130 [2021-12-07 01:18:20,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:20,022 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3856 transitions. [2021-12-07 01:18:20,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:20,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3856 transitions. [2021-12-07 01:18:20,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:20,023 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:20,024 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:20,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-12-07 01:18:20,024 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:20,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:20,024 INFO L85 PathProgramCache]: Analyzing trace with hash 470944425, now seen corresponding path program 1 times [2021-12-07 01:18:20,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:20,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82195088] [2021-12-07 01:18:20,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:20,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:20,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:20,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82195088] [2021-12-07 01:18:20,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82195088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:20,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:20,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:18:20,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045496330] [2021-12-07 01:18:20,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:20,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:18:20,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:20,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:18:20,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:18:20,109 INFO L87 Difference]: Start difference. First operand 2710 states and 3856 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:23,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:23,606 INFO L93 Difference]: Finished difference Result 4765 states and 6814 transitions. [2021-12-07 01:18:23,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:23,607 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:23,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:23,611 INFO L225 Difference]: With dead ends: 4765 [2021-12-07 01:18:23,611 INFO L226 Difference]: Without dead ends: 4530 [2021-12-07 01:18:23,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:18:23,613 INFO L933 BasicCegarLoop]: 2041 mSDtfsCounter, 11554 mSDsluCounter, 6656 mSDsCounter, 0 mSdLazyCounter, 7270 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11554 SdHoareTripleChecker+Valid, 8697 SdHoareTripleChecker+Invalid, 7383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 7270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:23,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11554 Valid, 8697 Invalid, 7383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 7270 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:18:23,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2021-12-07 01:18:24,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2021-12-07 01:18:24,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4421997755331089) internal successors, (3855), 2709 states have internal predecessors, (3855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3855 transitions. [2021-12-07 01:18:24,142 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3855 transitions. Word has length 130 [2021-12-07 01:18:24,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:24,142 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3855 transitions. [2021-12-07 01:18:24,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3855 transitions. [2021-12-07 01:18:24,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:24,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:24,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:24,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-12-07 01:18:24,144 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:24,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:24,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1306879520, now seen corresponding path program 1 times [2021-12-07 01:18:24,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:24,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945945351] [2021-12-07 01:18:24,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:24,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:24,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:24,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:24,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945945351] [2021-12-07 01:18:24,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945945351] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:24,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:24,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:18:24,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179395788] [2021-12-07 01:18:24,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:24,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:18:24,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:24,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:18:24,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:18:24,237 INFO L87 Difference]: Start difference. First operand 2710 states and 3855 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:27,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:27,340 INFO L93 Difference]: Finished difference Result 4408 states and 6209 transitions. [2021-12-07 01:18:27,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:27,340 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:27,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:27,343 INFO L225 Difference]: With dead ends: 4408 [2021-12-07 01:18:27,343 INFO L226 Difference]: Without dead ends: 4218 [2021-12-07 01:18:27,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:18:27,344 INFO L933 BasicCegarLoop]: 1472 mSDtfsCounter, 9868 mSDsluCounter, 4543 mSDsCounter, 0 mSdLazyCounter, 5531 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9868 SdHoareTripleChecker+Valid, 6015 SdHoareTripleChecker+Invalid, 6203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 5531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:27,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9868 Valid, 6015 Invalid, 6203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 5531 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:18:27,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2021-12-07 01:18:27,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 2710. [2021-12-07 01:18:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4414515525626637) internal successors, (3853), 2709 states have internal predecessors, (3853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:27,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3853 transitions. [2021-12-07 01:18:27,850 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3853 transitions. Word has length 130 [2021-12-07 01:18:27,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:27,850 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3853 transitions. [2021-12-07 01:18:27,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:27,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3853 transitions. [2021-12-07 01:18:27,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:27,852 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:27,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:27,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-12-07 01:18:27,852 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:27,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:27,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1724526479, now seen corresponding path program 1 times [2021-12-07 01:18:27,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:27,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888200418] [2021-12-07 01:18:27,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:27,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:28,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:28,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888200418] [2021-12-07 01:18:28,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888200418] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:28,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:28,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:18:28,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726799148] [2021-12-07 01:18:28,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:28,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:18:28,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:28,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:18:28,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:18:28,023 INFO L87 Difference]: Start difference. First operand 2710 states and 3853 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:34,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:34,067 INFO L93 Difference]: Finished difference Result 6260 states and 9023 transitions. [2021-12-07 01:18:34,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:18:34,067 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:34,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:34,072 INFO L225 Difference]: With dead ends: 6260 [2021-12-07 01:18:34,072 INFO L226 Difference]: Without dead ends: 5982 [2021-12-07 01:18:34,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:18:34,073 INFO L933 BasicCegarLoop]: 2159 mSDtfsCounter, 19896 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 8049 mSolverCounterSat, 1387 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19896 SdHoareTripleChecker+Valid, 9641 SdHoareTripleChecker+Invalid, 9436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1387 IncrementalHoareTripleChecker+Valid, 8049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:34,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19896 Valid, 9641 Invalid, 9436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1387 Valid, 8049 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-07 01:18:34,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5982 states. [2021-12-07 01:18:34,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5982 to 2718. [2021-12-07 01:18:34,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.4401342782543827) internal successors, (3861), 2717 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3861 transitions. [2021-12-07 01:18:34,616 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3861 transitions. Word has length 130 [2021-12-07 01:18:34,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:34,616 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3861 transitions. [2021-12-07 01:18:34,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:34,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3861 transitions. [2021-12-07 01:18:34,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:34,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:34,618 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:34,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-12-07 01:18:34,618 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:34,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:34,618 INFO L85 PathProgramCache]: Analyzing trace with hash -598738012, now seen corresponding path program 1 times [2021-12-07 01:18:34,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:34,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365231596] [2021-12-07 01:18:34,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:34,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:34,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:34,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365231596] [2021-12-07 01:18:34,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365231596] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:34,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:34,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:18:34,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471374805] [2021-12-07 01:18:34,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:34,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:18:34,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:34,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:18:34,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:18:34,712 INFO L87 Difference]: Start difference. First operand 2718 states and 3861 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:37,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:37,867 INFO L93 Difference]: Finished difference Result 4416 states and 6215 transitions. [2021-12-07 01:18:37,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:37,868 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:37,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:37,871 INFO L225 Difference]: With dead ends: 4416 [2021-12-07 01:18:37,871 INFO L226 Difference]: Without dead ends: 4226 [2021-12-07 01:18:37,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:18:37,872 INFO L933 BasicCegarLoop]: 1472 mSDtfsCounter, 6845 mSDsluCounter, 4540 mSDsCounter, 0 mSdLazyCounter, 5529 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6845 SdHoareTripleChecker+Valid, 6012 SdHoareTripleChecker+Invalid, 5961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 5529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:37,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6845 Valid, 6012 Invalid, 5961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 5529 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-07 01:18:37,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4226 states. [2021-12-07 01:18:38,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4226 to 2718. [2021-12-07 01:18:38,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.4393882879522566) internal successors, (3859), 2717 states have internal predecessors, (3859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3859 transitions. [2021-12-07 01:18:38,413 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3859 transitions. Word has length 130 [2021-12-07 01:18:38,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:38,413 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3859 transitions. [2021-12-07 01:18:38,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3859 transitions. [2021-12-07 01:18:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:38,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:38,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:38,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-12-07 01:18:38,416 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:38,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:38,416 INFO L85 PathProgramCache]: Analyzing trace with hash 2018237894, now seen corresponding path program 1 times [2021-12-07 01:18:38,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:38,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679671595] [2021-12-07 01:18:38,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:38,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:38,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:38,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679671595] [2021-12-07 01:18:38,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679671595] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:38,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:38,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:18:38,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928007512] [2021-12-07 01:18:38,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:38,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:18:38,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:38,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:18:38,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:18:38,519 INFO L87 Difference]: Start difference. First operand 2718 states and 3859 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:42,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:42,303 INFO L93 Difference]: Finished difference Result 4714 states and 6722 transitions. [2021-12-07 01:18:42,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:42,304 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:42,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:42,307 INFO L225 Difference]: With dead ends: 4714 [2021-12-07 01:18:42,307 INFO L226 Difference]: Without dead ends: 4494 [2021-12-07 01:18:42,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:18:42,309 INFO L933 BasicCegarLoop]: 1896 mSDtfsCounter, 8593 mSDsluCounter, 7013 mSDsCounter, 0 mSdLazyCounter, 7392 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8593 SdHoareTripleChecker+Valid, 8909 SdHoareTripleChecker+Invalid, 7537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 7392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:42,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8593 Valid, 8909 Invalid, 7537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 7392 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-07 01:18:42,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4494 states. [2021-12-07 01:18:42,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4494 to 2718. [2021-12-07 01:18:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.4386422976501305) internal successors, (3857), 2717 states have internal predecessors, (3857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3857 transitions. [2021-12-07 01:18:42,867 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3857 transitions. Word has length 130 [2021-12-07 01:18:42,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:42,867 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3857 transitions. [2021-12-07 01:18:42,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3857 transitions. [2021-12-07 01:18:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:42,869 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:42,869 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:42,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-12-07 01:18:42,870 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:42,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:42,870 INFO L85 PathProgramCache]: Analyzing trace with hash -2089457541, now seen corresponding path program 1 times [2021-12-07 01:18:42,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:42,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43924065] [2021-12-07 01:18:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:42,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:42,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:42,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43924065] [2021-12-07 01:18:42,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43924065] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:42,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:42,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:18:42,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73188788] [2021-12-07 01:18:42,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:42,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:18:42,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:42,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:18:42,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:18:42,967 INFO L87 Difference]: Start difference. First operand 2718 states and 3857 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:46,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:46,213 INFO L93 Difference]: Finished difference Result 4416 states and 6209 transitions. [2021-12-07 01:18:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:46,214 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:46,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:46,217 INFO L225 Difference]: With dead ends: 4416 [2021-12-07 01:18:46,218 INFO L226 Difference]: Without dead ends: 4226 [2021-12-07 01:18:46,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:18:46,219 INFO L933 BasicCegarLoop]: 1472 mSDtfsCounter, 6839 mSDsluCounter, 4540 mSDsCounter, 0 mSdLazyCounter, 5521 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6839 SdHoareTripleChecker+Valid, 6012 SdHoareTripleChecker+Invalid, 5953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 5521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:46,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6839 Valid, 6012 Invalid, 5953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 5521 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:18:46,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4226 states. [2021-12-07 01:18:46,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4226 to 2718. [2021-12-07 01:18:46,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.4378963073480044) internal successors, (3855), 2717 states have internal predecessors, (3855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3855 transitions. [2021-12-07 01:18:46,773 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3855 transitions. Word has length 130 [2021-12-07 01:18:46,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:46,773 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3855 transitions. [2021-12-07 01:18:46,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:46,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3855 transitions. [2021-12-07 01:18:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:46,775 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:46,775 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:46,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-12-07 01:18:46,775 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:46,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:46,776 INFO L85 PathProgramCache]: Analyzing trace with hash -573408396, now seen corresponding path program 1 times [2021-12-07 01:18:46,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:46,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772983531] [2021-12-07 01:18:46,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:46,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:46,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:46,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772983531] [2021-12-07 01:18:46,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772983531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:46,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:46,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:18:46,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269842112] [2021-12-07 01:18:46,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:46,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:18:46,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:46,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:18:46,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:18:46,877 INFO L87 Difference]: Start difference. First operand 2718 states and 3855 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:51,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:51,019 INFO L93 Difference]: Finished difference Result 4724 states and 6725 transitions. [2021-12-07 01:18:51,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:51,020 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:51,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:51,023 INFO L225 Difference]: With dead ends: 4724 [2021-12-07 01:18:51,023 INFO L226 Difference]: Without dead ends: 4494 [2021-12-07 01:18:51,024 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:18:51,024 INFO L933 BasicCegarLoop]: 1832 mSDtfsCounter, 11199 mSDsluCounter, 7620 mSDsCounter, 0 mSdLazyCounter, 7809 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11199 SdHoareTripleChecker+Valid, 9452 SdHoareTripleChecker+Invalid, 7991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 7809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:51,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11199 Valid, 9452 Invalid, 7991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 7809 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-07 01:18:51,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4494 states. [2021-12-07 01:18:51,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4494 to 2718. [2021-12-07 01:18:51,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.4371503170458784) internal successors, (3853), 2717 states have internal predecessors, (3853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3853 transitions. [2021-12-07 01:18:51,595 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3853 transitions. Word has length 130 [2021-12-07 01:18:51,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:51,595 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3853 transitions. [2021-12-07 01:18:51,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3853 transitions. [2021-12-07 01:18:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:51,597 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:51,598 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:51,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-12-07 01:18:51,598 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:51,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:51,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1871298434, now seen corresponding path program 1 times [2021-12-07 01:18:51,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:51,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786685708] [2021-12-07 01:18:51,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:51,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:51,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:51,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786685708] [2021-12-07 01:18:51,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786685708] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:51,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:51,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:18:51,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746184270] [2021-12-07 01:18:51,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:51,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:18:51,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:51,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:18:51,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:18:51,691 INFO L87 Difference]: Start difference. First operand 2718 states and 3853 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:55,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:55,110 INFO L93 Difference]: Finished difference Result 4231 states and 5923 transitions. [2021-12-07 01:18:55,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:55,111 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:55,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:55,114 INFO L225 Difference]: With dead ends: 4231 [2021-12-07 01:18:55,114 INFO L226 Difference]: Without dead ends: 4226 [2021-12-07 01:18:55,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:18:55,115 INFO L933 BasicCegarLoop]: 1472 mSDtfsCounter, 12878 mSDsluCounter, 4537 mSDsCounter, 0 mSdLazyCounter, 5513 mSolverCounterSat, 911 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12878 SdHoareTripleChecker+Valid, 6009 SdHoareTripleChecker+Invalid, 6424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 911 IncrementalHoareTripleChecker+Valid, 5513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:55,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12878 Valid, 6009 Invalid, 6424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [911 Valid, 5513 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:18:55,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4226 states. [2021-12-07 01:18:55,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4226 to 2718. [2021-12-07 01:18:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.4364043267437523) internal successors, (3851), 2717 states have internal predecessors, (3851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3851 transitions. [2021-12-07 01:18:55,673 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3851 transitions. Word has length 130 [2021-12-07 01:18:55,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:55,673 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3851 transitions. [2021-12-07 01:18:55,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3851 transitions. [2021-12-07 01:18:55,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:55,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:55,675 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:55,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-12-07 01:18:55,676 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:55,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:55,676 INFO L85 PathProgramCache]: Analyzing trace with hash 449743896, now seen corresponding path program 1 times [2021-12-07 01:18:55,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:55,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746732416] [2021-12-07 01:18:55,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:55,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:55,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:18:55,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:55,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746732416] [2021-12-07 01:18:55,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746732416] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:55,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:55,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:18:55,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563418498] [2021-12-07 01:18:55,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:55,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:18:55,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:55,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:18:55,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:18:55,766 INFO L87 Difference]: Start difference. First operand 2718 states and 3851 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:59,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:59,380 INFO L93 Difference]: Finished difference Result 4814 states and 6854 transitions. [2021-12-07 01:18:59,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:18:59,381 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:18:59,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:59,384 INFO L225 Difference]: With dead ends: 4814 [2021-12-07 01:18:59,384 INFO L226 Difference]: Without dead ends: 4530 [2021-12-07 01:18:59,385 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:18:59,385 INFO L933 BasicCegarLoop]: 2023 mSDtfsCounter, 8958 mSDsluCounter, 6430 mSDsCounter, 0 mSdLazyCounter, 6985 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8958 SdHoareTripleChecker+Valid, 8453 SdHoareTripleChecker+Invalid, 7071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 6985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:59,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8958 Valid, 8453 Invalid, 7071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 6985 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:18:59,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2021-12-07 01:18:59,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2718. [2021-12-07 01:18:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.4356583364416262) internal successors, (3849), 2717 states have internal predecessors, (3849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:59,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3849 transitions. [2021-12-07 01:18:59,939 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3849 transitions. Word has length 130 [2021-12-07 01:18:59,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:59,939 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3849 transitions. [2021-12-07 01:18:59,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:18:59,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3849 transitions. [2021-12-07 01:18:59,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:18:59,941 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:59,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:59,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-12-07 01:18:59,941 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:18:59,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:59,941 INFO L85 PathProgramCache]: Analyzing trace with hash -948785659, now seen corresponding path program 1 times [2021-12-07 01:18:59,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:59,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156703958] [2021-12-07 01:18:59,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:59,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:00,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:00,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156703958] [2021-12-07 01:19:00,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156703958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:00,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:00,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:00,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114749502] [2021-12-07 01:19:00,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:00,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:00,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:00,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:00,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:00,047 INFO L87 Difference]: Start difference. First operand 2718 states and 3849 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:03,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:03,598 INFO L93 Difference]: Finished difference Result 4724 states and 6717 transitions. [2021-12-07 01:19:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:19:03,598 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:19:03,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:03,602 INFO L225 Difference]: With dead ends: 4724 [2021-12-07 01:19:03,602 INFO L226 Difference]: Without dead ends: 4494 [2021-12-07 01:19:03,602 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:19:03,603 INFO L933 BasicCegarLoop]: 1953 mSDtfsCounter, 6002 mSDsluCounter, 6255 mSDsCounter, 0 mSdLazyCounter, 6819 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6002 SdHoareTripleChecker+Valid, 8208 SdHoareTripleChecker+Invalid, 6929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 6819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:03,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6002 Valid, 8208 Invalid, 6929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 6819 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:19:03,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4494 states. [2021-12-07 01:19:04,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4494 to 2718. [2021-12-07 01:19:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.4349123461395001) internal successors, (3847), 2717 states have internal predecessors, (3847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:04,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3847 transitions. [2021-12-07 01:19:04,187 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3847 transitions. Word has length 130 [2021-12-07 01:19:04,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:04,187 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3847 transitions. [2021-12-07 01:19:04,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3847 transitions. [2021-12-07 01:19:04,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:19:04,189 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:04,189 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:04,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-12-07 01:19:04,189 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:04,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:04,190 INFO L85 PathProgramCache]: Analyzing trace with hash 667109008, now seen corresponding path program 1 times [2021-12-07 01:19:04,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:04,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70784936] [2021-12-07 01:19:04,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:04,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:04,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:04,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70784936] [2021-12-07 01:19:04,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70784936] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:04,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:04,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:04,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528567685] [2021-12-07 01:19:04,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:04,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:04,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:04,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:04,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:04,283 INFO L87 Difference]: Start difference. First operand 2718 states and 3847 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:07,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:07,704 INFO L93 Difference]: Finished difference Result 4416 states and 6195 transitions. [2021-12-07 01:19:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:19:07,704 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:19:07,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:07,707 INFO L225 Difference]: With dead ends: 4416 [2021-12-07 01:19:07,707 INFO L226 Difference]: Without dead ends: 4226 [2021-12-07 01:19:07,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:19:07,708 INFO L933 BasicCegarLoop]: 1472 mSDtfsCounter, 10798 mSDsluCounter, 4540 mSDsCounter, 0 mSdLazyCounter, 5502 mSolverCounterSat, 802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10798 SdHoareTripleChecker+Valid, 6012 SdHoareTripleChecker+Invalid, 6304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 5502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:07,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10798 Valid, 6012 Invalid, 6304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [802 Valid, 5502 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:19:07,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4226 states. [2021-12-07 01:19:08,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4226 to 2718. [2021-12-07 01:19:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.434166355837374) internal successors, (3845), 2717 states have internal predecessors, (3845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:08,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3845 transitions. [2021-12-07 01:19:08,289 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3845 transitions. Word has length 130 [2021-12-07 01:19:08,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:08,289 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3845 transitions. [2021-12-07 01:19:08,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3845 transitions. [2021-12-07 01:19:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:19:08,291 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:08,291 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:08,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-12-07 01:19:08,292 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:08,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:08,292 INFO L85 PathProgramCache]: Analyzing trace with hash -485285054, now seen corresponding path program 1 times [2021-12-07 01:19:08,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:08,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077410717] [2021-12-07 01:19:08,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:08,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:08,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:08,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077410717] [2021-12-07 01:19:08,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077410717] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:08,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:08,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:08,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206442095] [2021-12-07 01:19:08,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:08,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:08,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:08,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:08,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:08,383 INFO L87 Difference]: Start difference. First operand 2718 states and 3845 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:11,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:11,885 INFO L93 Difference]: Finished difference Result 4416 states and 6191 transitions. [2021-12-07 01:19:11,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:19:11,885 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:19:11,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:11,888 INFO L225 Difference]: With dead ends: 4416 [2021-12-07 01:19:11,888 INFO L226 Difference]: Without dead ends: 4226 [2021-12-07 01:19:11,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:19:11,889 INFO L933 BasicCegarLoop]: 1526 mSDtfsCounter, 12496 mSDsluCounter, 4706 mSDsCounter, 0 mSdLazyCounter, 5724 mSolverCounterSat, 907 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12496 SdHoareTripleChecker+Valid, 6232 SdHoareTripleChecker+Invalid, 6631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 907 IncrementalHoareTripleChecker+Valid, 5724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:11,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12496 Valid, 6232 Invalid, 6631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [907 Valid, 5724 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:19:11,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4226 states. [2021-12-07 01:19:12,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4226 to 2718. [2021-12-07 01:19:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.433420365535248) internal successors, (3843), 2717 states have internal predecessors, (3843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3843 transitions. [2021-12-07 01:19:12,457 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3843 transitions. Word has length 130 [2021-12-07 01:19:12,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:12,457 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3843 transitions. [2021-12-07 01:19:12,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3843 transitions. [2021-12-07 01:19:12,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:19:12,459 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:12,459 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:12,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-12-07 01:19:12,459 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:12,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:12,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1750838309, now seen corresponding path program 1 times [2021-12-07 01:19:12,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:12,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609546958] [2021-12-07 01:19:12,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:12,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:12,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:12,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609546958] [2021-12-07 01:19:12,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609546958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:12,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:12,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:19:12,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153741077] [2021-12-07 01:19:12,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:12,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:19:12,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:12,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:19:12,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:19:12,602 INFO L87 Difference]: Start difference. First operand 2718 states and 3843 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:19,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:19,980 INFO L93 Difference]: Finished difference Result 7440 states and 10642 transitions. [2021-12-07 01:19:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:19:19,981 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:19:19,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:19,986 INFO L225 Difference]: With dead ends: 7440 [2021-12-07 01:19:19,986 INFO L226 Difference]: Without dead ends: 6770 [2021-12-07 01:19:19,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:19:19,988 INFO L933 BasicCegarLoop]: 2861 mSDtfsCounter, 19061 mSDsluCounter, 8815 mSDsCounter, 0 mSdLazyCounter, 9559 mSolverCounterSat, 1221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19061 SdHoareTripleChecker+Valid, 11676 SdHoareTripleChecker+Invalid, 10780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1221 IncrementalHoareTripleChecker+Valid, 9559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:19,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19061 Valid, 11676 Invalid, 10780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1221 Valid, 9559 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-07 01:19:19,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6770 states. [2021-12-07 01:19:20,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6770 to 2726. [2021-12-07 01:19:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2689 states have (on average 1.432130903681666) internal successors, (3851), 2725 states have internal predecessors, (3851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:20,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3851 transitions. [2021-12-07 01:19:20,608 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3851 transitions. Word has length 130 [2021-12-07 01:19:20,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:20,608 INFO L470 AbstractCegarLoop]: Abstraction has 2726 states and 3851 transitions. [2021-12-07 01:19:20,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3851 transitions. [2021-12-07 01:19:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:19:20,610 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:20,610 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:20,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-12-07 01:19:20,610 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:20,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:20,610 INFO L85 PathProgramCache]: Analyzing trace with hash 118670227, now seen corresponding path program 1 times [2021-12-07 01:19:20,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:20,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059411041] [2021-12-07 01:19:20,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:20,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:20,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:20,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059411041] [2021-12-07 01:19:20,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059411041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:20,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:20,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:20,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212946142] [2021-12-07 01:19:20,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:20,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:20,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:20,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:20,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:20,711 INFO L87 Difference]: Start difference. First operand 2726 states and 3851 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:24,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:24,334 INFO L93 Difference]: Finished difference Result 4736 states and 6723 transitions. [2021-12-07 01:19:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:19:24,335 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:19:24,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:24,339 INFO L225 Difference]: With dead ends: 4736 [2021-12-07 01:19:24,339 INFO L226 Difference]: Without dead ends: 4502 [2021-12-07 01:19:24,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:19:24,341 INFO L933 BasicCegarLoop]: 1878 mSDtfsCounter, 11094 mSDsluCounter, 6148 mSDsCounter, 0 mSdLazyCounter, 6630 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11094 SdHoareTripleChecker+Valid, 8026 SdHoareTripleChecker+Invalid, 6811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 6630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:24,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11094 Valid, 8026 Invalid, 6811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 6630 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:19:24,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2021-12-07 01:19:24,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 2726. [2021-12-07 01:19:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2689 states have (on average 1.431387132763109) internal successors, (3849), 2725 states have internal predecessors, (3849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3849 transitions. [2021-12-07 01:19:24,970 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3849 transitions. Word has length 130 [2021-12-07 01:19:24,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:24,970 INFO L470 AbstractCegarLoop]: Abstraction has 2726 states and 3849 transitions. [2021-12-07 01:19:24,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3849 transitions. [2021-12-07 01:19:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:19:24,972 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:24,972 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:24,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-12-07 01:19:24,972 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:24,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:24,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1179219811, now seen corresponding path program 1 times [2021-12-07 01:19:24,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:24,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891439787] [2021-12-07 01:19:24,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:24,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:25,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:25,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891439787] [2021-12-07 01:19:25,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891439787] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:25,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:25,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:25,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017447866] [2021-12-07 01:19:25,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:25,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:25,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:25,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:25,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:25,073 INFO L87 Difference]: Start difference. First operand 2726 states and 3849 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:28,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:28,857 INFO L93 Difference]: Finished difference Result 4838 states and 6875 transitions. [2021-12-07 01:19:28,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:19:28,858 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:19:28,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:28,861 INFO L225 Difference]: With dead ends: 4838 [2021-12-07 01:19:28,861 INFO L226 Difference]: Without dead ends: 4538 [2021-12-07 01:19:28,862 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:19:28,862 INFO L933 BasicCegarLoop]: 2023 mSDtfsCounter, 8946 mSDsluCounter, 6416 mSDsCounter, 0 mSdLazyCounter, 6959 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8946 SdHoareTripleChecker+Valid, 8439 SdHoareTripleChecker+Invalid, 7046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 6959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:28,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8946 Valid, 8439 Invalid, 7046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 6959 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:19:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2021-12-07 01:19:29,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 2726. [2021-12-07 01:19:29,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2689 states have (on average 1.430643361844552) internal successors, (3847), 2725 states have internal predecessors, (3847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3847 transitions. [2021-12-07 01:19:29,489 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3847 transitions. Word has length 130 [2021-12-07 01:19:29,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:29,489 INFO L470 AbstractCegarLoop]: Abstraction has 2726 states and 3847 transitions. [2021-12-07 01:19:29,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3847 transitions. [2021-12-07 01:19:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:19:29,491 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:29,491 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:29,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-12-07 01:19:29,491 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:29,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:29,492 INFO L85 PathProgramCache]: Analyzing trace with hash -979923217, now seen corresponding path program 1 times [2021-12-07 01:19:29,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:29,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780883984] [2021-12-07 01:19:29,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:29,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:29,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:29,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780883984] [2021-12-07 01:19:29,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780883984] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:29,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:29,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:29,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881059382] [2021-12-07 01:19:29,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:29,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:29,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:29,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:29,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:29,599 INFO L87 Difference]: Start difference. First operand 2726 states and 3847 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:33,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:33,091 INFO L93 Difference]: Finished difference Result 4424 states and 6193 transitions. [2021-12-07 01:19:33,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:19:33,091 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:19:33,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:33,094 INFO L225 Difference]: With dead ends: 4424 [2021-12-07 01:19:33,094 INFO L226 Difference]: Without dead ends: 4234 [2021-12-07 01:19:33,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:19:33,096 INFO L933 BasicCegarLoop]: 1471 mSDtfsCounter, 12835 mSDsluCounter, 4536 mSDsCounter, 0 mSdLazyCounter, 5492 mSolverCounterSat, 911 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12835 SdHoareTripleChecker+Valid, 6007 SdHoareTripleChecker+Invalid, 6403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 911 IncrementalHoareTripleChecker+Valid, 5492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:33,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12835 Valid, 6007 Invalid, 6403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [911 Valid, 5492 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:19:33,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4234 states. [2021-12-07 01:19:33,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4234 to 2726. [2021-12-07 01:19:33,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2689 states have (on average 1.4298995909259948) internal successors, (3845), 2725 states have internal predecessors, (3845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:33,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3845 transitions. [2021-12-07 01:19:33,717 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3845 transitions. Word has length 130 [2021-12-07 01:19:33,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:33,717 INFO L470 AbstractCegarLoop]: Abstraction has 2726 states and 3845 transitions. [2021-12-07 01:19:33,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3845 transitions. [2021-12-07 01:19:33,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:19:33,719 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:33,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:33,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-12-07 01:19:33,719 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:33,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:33,720 INFO L85 PathProgramCache]: Analyzing trace with hash 651933865, now seen corresponding path program 1 times [2021-12-07 01:19:33,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:33,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972009917] [2021-12-07 01:19:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:33,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:33,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:33,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972009917] [2021-12-07 01:19:33,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972009917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:33,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:33,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:33,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434702160] [2021-12-07 01:19:33,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:33,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:33,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:33,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:33,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:33,813 INFO L87 Difference]: Start difference. First operand 2726 states and 3845 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:37,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:37,274 INFO L93 Difference]: Finished difference Result 4424 states and 6189 transitions. [2021-12-07 01:19:37,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:19:37,275 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:19:37,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:37,278 INFO L225 Difference]: With dead ends: 4424 [2021-12-07 01:19:37,278 INFO L226 Difference]: Without dead ends: 4234 [2021-12-07 01:19:37,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:19:37,279 INFO L933 BasicCegarLoop]: 1471 mSDtfsCounter, 6806 mSDsluCounter, 4540 mSDsCounter, 0 mSdLazyCounter, 5484 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6806 SdHoareTripleChecker+Valid, 6011 SdHoareTripleChecker+Invalid, 5916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 5484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:37,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6806 Valid, 6011 Invalid, 5916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 5484 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:19:37,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4234 states. [2021-12-07 01:19:37,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4234 to 2726. [2021-12-07 01:19:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2689 states have (on average 1.4291558200074377) internal successors, (3843), 2725 states have internal predecessors, (3843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:37,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3843 transitions. [2021-12-07 01:19:37,889 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3843 transitions. Word has length 130 [2021-12-07 01:19:37,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:37,890 INFO L470 AbstractCegarLoop]: Abstraction has 2726 states and 3843 transitions. [2021-12-07 01:19:37,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:37,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3843 transitions. [2021-12-07 01:19:37,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:19:37,891 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:37,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:37,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-12-07 01:19:37,892 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:37,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:37,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1967977908, now seen corresponding path program 1 times [2021-12-07 01:19:37,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:37,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388645075] [2021-12-07 01:19:37,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:37,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:37,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:37,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388645075] [2021-12-07 01:19:37,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388645075] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:37,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:37,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:37,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336613858] [2021-12-07 01:19:37,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:37,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:37,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:37,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:37,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:37,991 INFO L87 Difference]: Start difference. First operand 2726 states and 3843 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:42,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:42,154 INFO L93 Difference]: Finished difference Result 4820 states and 6842 transitions. [2021-12-07 01:19:42,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:19:42,154 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:19:42,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:42,157 INFO L225 Difference]: With dead ends: 4820 [2021-12-07 01:19:42,158 INFO L226 Difference]: Without dead ends: 4538 [2021-12-07 01:19:42,158 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:19:42,159 INFO L933 BasicCegarLoop]: 1888 mSDtfsCounter, 11577 mSDsluCounter, 7845 mSDsCounter, 0 mSdLazyCounter, 7902 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11577 SdHoareTripleChecker+Valid, 9733 SdHoareTripleChecker+Invalid, 8001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 7902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:42,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11577 Valid, 9733 Invalid, 8001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 7902 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-07 01:19:42,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2021-12-07 01:19:42,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 2726. [2021-12-07 01:19:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2689 states have (on average 1.4284120490888805) internal successors, (3841), 2725 states have internal predecessors, (3841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:42,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3841 transitions. [2021-12-07 01:19:42,787 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3841 transitions. Word has length 130 [2021-12-07 01:19:42,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:42,788 INFO L470 AbstractCegarLoop]: Abstraction has 2726 states and 3841 transitions. [2021-12-07 01:19:42,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:42,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3841 transitions. [2021-12-07 01:19:42,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-07 01:19:42,789 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:42,789 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:42,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-12-07 01:19:42,790 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:42,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:42,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1360075373, now seen corresponding path program 1 times [2021-12-07 01:19:42,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:42,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832580130] [2021-12-07 01:19:42,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:42,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:42,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:42,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832580130] [2021-12-07 01:19:42,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832580130] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:42,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:42,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:42,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504508266] [2021-12-07 01:19:42,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:42,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:42,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:42,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:42,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:42,877 INFO L87 Difference]: Start difference. First operand 2726 states and 3841 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:46,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:46,370 INFO L93 Difference]: Finished difference Result 4424 states and 6185 transitions. [2021-12-07 01:19:46,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:19:46,370 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-12-07 01:19:46,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:46,374 INFO L225 Difference]: With dead ends: 4424 [2021-12-07 01:19:46,374 INFO L226 Difference]: Without dead ends: 4234 [2021-12-07 01:19:46,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:19:46,375 INFO L933 BasicCegarLoop]: 1471 mSDtfsCounter, 9813 mSDsluCounter, 4536 mSDsCounter, 0 mSdLazyCounter, 5480 mSolverCounterSat, 671 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9813 SdHoareTripleChecker+Valid, 6007 SdHoareTripleChecker+Invalid, 6151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 671 IncrementalHoareTripleChecker+Valid, 5480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:46,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9813 Valid, 6007 Invalid, 6151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [671 Valid, 5480 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:19:46,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4234 states. [2021-12-07 01:19:47,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4234 to 2726. [2021-12-07 01:19:47,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2689 states have (on average 1.4276682781703236) internal successors, (3839), 2725 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:47,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3839 transitions. [2021-12-07 01:19:47,026 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3839 transitions. Word has length 130 [2021-12-07 01:19:47,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:47,026 INFO L470 AbstractCegarLoop]: Abstraction has 2726 states and 3839 transitions. [2021-12-07 01:19:47,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:47,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3839 transitions. [2021-12-07 01:19:47,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-07 01:19:47,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:47,028 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:47,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-12-07 01:19:47,028 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:47,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:47,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1638067966, now seen corresponding path program 1 times [2021-12-07 01:19:47,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:47,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076045083] [2021-12-07 01:19:47,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:47,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:47,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:47,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:47,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076045083] [2021-12-07 01:19:47,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076045083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:47,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:47,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:47,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641561448] [2021-12-07 01:19:47,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:47,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:47,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:47,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:47,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:47,115 INFO L87 Difference]: Start difference. First operand 2726 states and 3839 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:50,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:50,724 INFO L93 Difference]: Finished difference Result 4421 states and 6178 transitions. [2021-12-07 01:19:50,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:19:50,724 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-12-07 01:19:50,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:50,727 INFO L225 Difference]: With dead ends: 4421 [2021-12-07 01:19:50,727 INFO L226 Difference]: Without dead ends: 4234 [2021-12-07 01:19:50,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:19:50,728 INFO L933 BasicCegarLoop]: 1471 mSDtfsCounter, 9806 mSDsluCounter, 4537 mSDsCounter, 0 mSdLazyCounter, 5476 mSolverCounterSat, 671 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9806 SdHoareTripleChecker+Valid, 6008 SdHoareTripleChecker+Invalid, 6147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 671 IncrementalHoareTripleChecker+Valid, 5476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:50,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9806 Valid, 6008 Invalid, 6147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [671 Valid, 5476 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:19:50,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4234 states. [2021-12-07 01:19:51,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4234 to 2726. [2021-12-07 01:19:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2689 states have (on average 1.427296392711045) internal successors, (3838), 2725 states have internal predecessors, (3838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:51,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3838 transitions. [2021-12-07 01:19:51,350 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3838 transitions. Word has length 131 [2021-12-07 01:19:51,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:51,350 INFO L470 AbstractCegarLoop]: Abstraction has 2726 states and 3838 transitions. [2021-12-07 01:19:51,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:51,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3838 transitions. [2021-12-07 01:19:51,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-07 01:19:51,352 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:51,352 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:51,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-12-07 01:19:51,352 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:51,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:51,353 INFO L85 PathProgramCache]: Analyzing trace with hash -228929686, now seen corresponding path program 1 times [2021-12-07 01:19:51,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:51,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519761401] [2021-12-07 01:19:51,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:51,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:51,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:51,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519761401] [2021-12-07 01:19:51,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519761401] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:51,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:51,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:51,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308602159] [2021-12-07 01:19:51,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:51,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:51,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:51,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:51,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:51,454 INFO L87 Difference]: Start difference. First operand 2726 states and 3838 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:55,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:55,648 INFO L93 Difference]: Finished difference Result 4705 states and 6665 transitions. [2021-12-07 01:19:55,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:19:55,649 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-12-07 01:19:55,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:55,652 INFO L225 Difference]: With dead ends: 4705 [2021-12-07 01:19:55,652 INFO L226 Difference]: Without dead ends: 4502 [2021-12-07 01:19:55,653 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:19:55,653 INFO L933 BasicCegarLoop]: 1964 mSDtfsCounter, 10895 mSDsluCounter, 8023 mSDsCounter, 0 mSdLazyCounter, 8147 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10895 SdHoareTripleChecker+Valid, 9987 SdHoareTripleChecker+Invalid, 8326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 8147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:55,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10895 Valid, 9987 Invalid, 8326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 8147 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-07 01:19:55,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2021-12-07 01:19:56,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 2726. [2021-12-07 01:19:56,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2689 states have (on average 1.4269245072517664) internal successors, (3837), 2725 states have internal predecessors, (3837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:56,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3837 transitions. [2021-12-07 01:19:56,302 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3837 transitions. Word has length 131 [2021-12-07 01:19:56,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:56,303 INFO L470 AbstractCegarLoop]: Abstraction has 2726 states and 3837 transitions. [2021-12-07 01:19:56,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:56,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3837 transitions. [2021-12-07 01:19:56,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-07 01:19:56,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:56,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:56,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-12-07 01:19:56,305 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:56,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:56,305 INFO L85 PathProgramCache]: Analyzing trace with hash -449676179, now seen corresponding path program 1 times [2021-12-07 01:19:56,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:56,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899833099] [2021-12-07 01:19:56,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:56,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:56,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:56,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899833099] [2021-12-07 01:19:56,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899833099] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:56,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:56,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:19:56,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890311200] [2021-12-07 01:19:56,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:56,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:19:56,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:56,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:19:56,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:56,403 INFO L87 Difference]: Start difference. First operand 2726 states and 3837 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:00,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:00,887 INFO L93 Difference]: Finished difference Result 4788 states and 6787 transitions. [2021-12-07 01:20:00,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:20:00,888 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-12-07 01:20:00,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:00,891 INFO L225 Difference]: With dead ends: 4788 [2021-12-07 01:20:00,891 INFO L226 Difference]: Without dead ends: 4538 [2021-12-07 01:20:00,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:20:00,892 INFO L933 BasicCegarLoop]: 2088 mSDtfsCounter, 10852 mSDsluCounter, 8261 mSDsCounter, 0 mSdLazyCounter, 8379 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10852 SdHoareTripleChecker+Valid, 10349 SdHoareTripleChecker+Invalid, 8475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 8379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:00,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10852 Valid, 10349 Invalid, 8475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 8379 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-07 01:20:00,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2021-12-07 01:20:01,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 2722. [2021-12-07 01:20:01,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4271880819366853) internal successors, (3832), 2721 states have internal predecessors, (3832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:01,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3832 transitions. [2021-12-07 01:20:01,528 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3832 transitions. Word has length 131 [2021-12-07 01:20:01,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:01,528 INFO L470 AbstractCegarLoop]: Abstraction has 2722 states and 3832 transitions. [2021-12-07 01:20:01,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:01,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3832 transitions. [2021-12-07 01:20:01,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-07 01:20:01,530 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:01,530 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:01,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-12-07 01:20:01,530 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:01,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:01,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1889981317, now seen corresponding path program 1 times [2021-12-07 01:20:01,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:01,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438303953] [2021-12-07 01:20:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:01,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:01,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:01,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:01,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438303953] [2021-12-07 01:20:01,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438303953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:01,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:01,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:20:01,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820935149] [2021-12-07 01:20:01,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:01,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:20:01,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:01,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:20:01,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:20:01,624 INFO L87 Difference]: Start difference. First operand 2722 states and 3832 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:05,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:05,558 INFO L93 Difference]: Finished difference Result 4816 states and 6831 transitions. [2021-12-07 01:20:05,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:20:05,559 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-12-07 01:20:05,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:05,562 INFO L225 Difference]: With dead ends: 4816 [2021-12-07 01:20:05,562 INFO L226 Difference]: Without dead ends: 4538 [2021-12-07 01:20:05,563 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:20:05,563 INFO L933 BasicCegarLoop]: 2119 mSDtfsCounter, 5764 mSDsluCounter, 6744 mSDsCounter, 0 mSdLazyCounter, 7204 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5764 SdHoareTripleChecker+Valid, 8863 SdHoareTripleChecker+Invalid, 7263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 7204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:05,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5764 Valid, 8863 Invalid, 7263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 7204 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 01:20:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2021-12-07 01:20:06,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 2714. [2021-12-07 01:20:06,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4277175943220022) internal successors, (3822), 2713 states have internal predecessors, (3822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3822 transitions. [2021-12-07 01:20:06,216 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3822 transitions. Word has length 131 [2021-12-07 01:20:06,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:06,216 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3822 transitions. [2021-12-07 01:20:06,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:06,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3822 transitions. [2021-12-07 01:20:06,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-07 01:20:06,218 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:06,218 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:06,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-12-07 01:20:06,219 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:06,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:06,219 INFO L85 PathProgramCache]: Analyzing trace with hash -117759697, now seen corresponding path program 1 times [2021-12-07 01:20:06,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:06,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327448605] [2021-12-07 01:20:06,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:06,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:06,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:06,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327448605] [2021-12-07 01:20:06,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327448605] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:06,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:06,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:20:06,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053368361] [2021-12-07 01:20:06,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:06,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:20:06,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:06,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:20:06,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:20:06,302 INFO L87 Difference]: Start difference. First operand 2714 states and 3822 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:10,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:10,362 INFO L93 Difference]: Finished difference Result 5260 states and 7434 transitions. [2021-12-07 01:20:10,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:20:10,362 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-12-07 01:20:10,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:10,383 INFO L225 Difference]: With dead ends: 5260 [2021-12-07 01:20:10,383 INFO L226 Difference]: Without dead ends: 4590 [2021-12-07 01:20:10,384 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:20:10,385 INFO L933 BasicCegarLoop]: 2273 mSDtfsCounter, 8733 mSDsluCounter, 6634 mSDsCounter, 0 mSdLazyCounter, 7074 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8733 SdHoareTripleChecker+Valid, 8907 SdHoareTripleChecker+Invalid, 7106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 7074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:10,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8733 Valid, 8907 Invalid, 7106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 7074 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-07 01:20:10,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2021-12-07 01:20:11,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2021-12-07 01:20:11,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4282502810041213) internal successors, (3812), 2705 states have internal predecessors, (3812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3812 transitions. [2021-12-07 01:20:11,033 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3812 transitions. Word has length 131 [2021-12-07 01:20:11,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:11,033 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3812 transitions. [2021-12-07 01:20:11,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3812 transitions. [2021-12-07 01:20:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:20:11,035 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:11,035 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:11,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-12-07 01:20:11,035 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:11,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:11,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1086832585, now seen corresponding path program 1 times [2021-12-07 01:20:11,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:11,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150375878] [2021-12-07 01:20:11,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:11,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:11,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:11,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:11,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150375878] [2021-12-07 01:20:11,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150375878] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:11,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:11,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:20:11,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208691830] [2021-12-07 01:20:11,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:11,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:20:11,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:11,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:20:11,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:20:11,163 INFO L87 Difference]: Start difference. First operand 2706 states and 3812 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:17,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:17,438 INFO L93 Difference]: Finished difference Result 5624 states and 8000 transitions. [2021-12-07 01:20:17,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:20:17,438 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:20:17,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:17,442 INFO L225 Difference]: With dead ends: 5624 [2021-12-07 01:20:17,442 INFO L226 Difference]: Without dead ends: 5432 [2021-12-07 01:20:17,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:20:17,443 INFO L933 BasicCegarLoop]: 1675 mSDtfsCounter, 19645 mSDsluCounter, 6661 mSDsCounter, 0 mSdLazyCounter, 7277 mSolverCounterSat, 2218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19645 SdHoareTripleChecker+Valid, 8336 SdHoareTripleChecker+Invalid, 9495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2218 IncrementalHoareTripleChecker+Valid, 7277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:17,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19645 Valid, 8336 Invalid, 9495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2218 Valid, 7277 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-07 01:20:17,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5432 states. [2021-12-07 01:20:18,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5432 to 2710. [2021-12-07 01:20:18,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4276094276094276) internal successors, (3816), 2709 states have internal predecessors, (3816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3816 transitions. [2021-12-07 01:20:18,152 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3816 transitions. Word has length 132 [2021-12-07 01:20:18,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:18,152 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3816 transitions. [2021-12-07 01:20:18,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3816 transitions. [2021-12-07 01:20:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:20:18,154 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:18,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:18,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-12-07 01:20:18,154 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:18,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:18,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1558634231, now seen corresponding path program 1 times [2021-12-07 01:20:18,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:18,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980870697] [2021-12-07 01:20:18,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:18,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:18,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:18,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980870697] [2021-12-07 01:20:18,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980870697] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:18,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:18,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:20:18,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379224839] [2021-12-07 01:20:18,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:18,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:20:18,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:18,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:20:18,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:20:18,249 INFO L87 Difference]: Start difference. First operand 2710 states and 3816 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:22,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:22,133 INFO L93 Difference]: Finished difference Result 4578 states and 6446 transitions. [2021-12-07 01:20:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:20:22,133 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:20:22,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:22,136 INFO L225 Difference]: With dead ends: 4578 [2021-12-07 01:20:22,137 INFO L226 Difference]: Without dead ends: 4386 [2021-12-07 01:20:22,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:20:22,137 INFO L933 BasicCegarLoop]: 1571 mSDtfsCounter, 13132 mSDsluCounter, 5111 mSDsCounter, 0 mSdLazyCounter, 5689 mSolverCounterSat, 471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13132 SdHoareTripleChecker+Valid, 6682 SdHoareTripleChecker+Invalid, 6160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 471 IncrementalHoareTripleChecker+Valid, 5689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:22,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13132 Valid, 6682 Invalid, 6160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [471 Valid, 5689 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:20:22,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2021-12-07 01:20:22,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2710. [2021-12-07 01:20:22,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.427235316124205) internal successors, (3815), 2709 states have internal predecessors, (3815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3815 transitions. [2021-12-07 01:20:22,820 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3815 transitions. Word has length 132 [2021-12-07 01:20:22,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:22,820 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3815 transitions. [2021-12-07 01:20:22,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:22,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3815 transitions. [2021-12-07 01:20:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:20:22,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:22,822 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:22,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-12-07 01:20:22,822 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:22,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:22,822 INFO L85 PathProgramCache]: Analyzing trace with hash 249013587, now seen corresponding path program 1 times [2021-12-07 01:20:22,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:22,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249090490] [2021-12-07 01:20:22,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:22,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:22,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:22,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249090490] [2021-12-07 01:20:22,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249090490] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:22,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:22,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:20:22,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587738415] [2021-12-07 01:20:22,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:22,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:20:22,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:22,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:20:22,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:20:22,920 INFO L87 Difference]: Start difference. First operand 2710 states and 3815 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:26,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:26,971 INFO L93 Difference]: Finished difference Result 4691 states and 6642 transitions. [2021-12-07 01:20:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:20:26,972 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:20:26,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:26,975 INFO L225 Difference]: With dead ends: 4691 [2021-12-07 01:20:26,975 INFO L226 Difference]: Without dead ends: 4486 [2021-12-07 01:20:26,976 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:20:26,976 INFO L933 BasicCegarLoop]: 2195 mSDtfsCounter, 10658 mSDsluCounter, 6985 mSDsCounter, 0 mSdLazyCounter, 7505 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10658 SdHoareTripleChecker+Valid, 9180 SdHoareTripleChecker+Invalid, 7712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 7505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:26,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10658 Valid, 9180 Invalid, 7712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 7505 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 01:20:26,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2021-12-07 01:20:27,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2021-12-07 01:20:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4268612046389824) internal successors, (3814), 2709 states have internal predecessors, (3814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3814 transitions. [2021-12-07 01:20:27,678 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3814 transitions. Word has length 132 [2021-12-07 01:20:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:27,679 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3814 transitions. [2021-12-07 01:20:27,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3814 transitions. [2021-12-07 01:20:27,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:20:27,681 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:27,681 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:27,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-12-07 01:20:27,681 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:27,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:27,681 INFO L85 PathProgramCache]: Analyzing trace with hash 164368133, now seen corresponding path program 1 times [2021-12-07 01:20:27,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:27,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143236746] [2021-12-07 01:20:27,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:27,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:27,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:27,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143236746] [2021-12-07 01:20:27,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143236746] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:27,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:27,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:20:27,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511785573] [2021-12-07 01:20:27,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:27,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:20:27,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:27,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:20:27,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:20:27,765 INFO L87 Difference]: Start difference. First operand 2710 states and 3814 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:31,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:31,709 INFO L93 Difference]: Finished difference Result 4404 states and 6151 transitions. [2021-12-07 01:20:31,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:20:31,710 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:20:31,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:31,713 INFO L225 Difference]: With dead ends: 4404 [2021-12-07 01:20:31,713 INFO L226 Difference]: Without dead ends: 4218 [2021-12-07 01:20:31,714 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:20:31,714 INFO L933 BasicCegarLoop]: 1551 mSDtfsCounter, 9613 mSDsluCounter, 4695 mSDsCounter, 0 mSdLazyCounter, 5664 mSolverCounterSat, 668 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9613 SdHoareTripleChecker+Valid, 6246 SdHoareTripleChecker+Invalid, 6332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 668 IncrementalHoareTripleChecker+Valid, 5664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:31,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9613 Valid, 6246 Invalid, 6332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [668 Valid, 5664 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:20:31,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2021-12-07 01:20:32,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 2710. [2021-12-07 01:20:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4264870931537599) internal successors, (3813), 2709 states have internal predecessors, (3813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3813 transitions. [2021-12-07 01:20:32,440 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3813 transitions. Word has length 132 [2021-12-07 01:20:32,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:32,440 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3813 transitions. [2021-12-07 01:20:32,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:32,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3813 transitions. [2021-12-07 01:20:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:20:32,442 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:32,442 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:32,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-12-07 01:20:32,442 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:32,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:32,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1655577189, now seen corresponding path program 1 times [2021-12-07 01:20:32,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:32,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194684313] [2021-12-07 01:20:32,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:32,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:32,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:32,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194684313] [2021-12-07 01:20:32,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194684313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:32,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:32,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:20:32,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211161727] [2021-12-07 01:20:32,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:32,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:20:32,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:32,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:20:32,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:20:32,540 INFO L87 Difference]: Start difference. First operand 2710 states and 3813 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:36,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:36,346 INFO L93 Difference]: Finished difference Result 4572 states and 6433 transitions. [2021-12-07 01:20:36,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:20:36,346 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:20:36,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:36,349 INFO L225 Difference]: With dead ends: 4572 [2021-12-07 01:20:36,349 INFO L226 Difference]: Without dead ends: 4386 [2021-12-07 01:20:36,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:20:36,350 INFO L933 BasicCegarLoop]: 1584 mSDtfsCounter, 13022 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 5739 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13022 SdHoareTripleChecker+Valid, 6744 SdHoareTripleChecker+Invalid, 6207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 5739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:36,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13022 Valid, 6744 Invalid, 6207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 5739 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:20:36,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2021-12-07 01:20:37,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2710. [2021-12-07 01:20:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4261129816685372) internal successors, (3812), 2709 states have internal predecessors, (3812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:37,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3812 transitions. [2021-12-07 01:20:37,043 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3812 transitions. Word has length 132 [2021-12-07 01:20:37,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:37,044 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3812 transitions. [2021-12-07 01:20:37,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:37,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3812 transitions. [2021-12-07 01:20:37,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:20:37,045 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:37,045 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:37,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-12-07 01:20:37,046 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:37,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:37,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1580798572, now seen corresponding path program 1 times [2021-12-07 01:20:37,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:37,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305793702] [2021-12-07 01:20:37,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:37,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:37,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:37,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305793702] [2021-12-07 01:20:37,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305793702] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:37,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:37,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:20:37,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955187055] [2021-12-07 01:20:37,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:37,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:20:37,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:37,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:20:37,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:20:37,148 INFO L87 Difference]: Start difference. First operand 2710 states and 3812 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:41,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:41,581 INFO L93 Difference]: Finished difference Result 4684 states and 6627 transitions. [2021-12-07 01:20:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:20:41,581 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:20:41,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:41,586 INFO L225 Difference]: With dead ends: 4684 [2021-12-07 01:20:41,586 INFO L226 Difference]: Without dead ends: 4486 [2021-12-07 01:20:41,587 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:20:41,587 INFO L933 BasicCegarLoop]: 2040 mSDtfsCounter, 10750 mSDsluCounter, 8268 mSDsCounter, 0 mSdLazyCounter, 8356 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10750 SdHoareTripleChecker+Valid, 10308 SdHoareTripleChecker+Invalid, 8533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 8356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:41,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10750 Valid, 10308 Invalid, 8533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 8356 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-07 01:20:41,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2021-12-07 01:20:42,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2021-12-07 01:20:42,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4257388701833147) internal successors, (3811), 2709 states have internal predecessors, (3811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3811 transitions. [2021-12-07 01:20:42,308 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3811 transitions. Word has length 132 [2021-12-07 01:20:42,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:42,309 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3811 transitions. [2021-12-07 01:20:42,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3811 transitions. [2021-12-07 01:20:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:20:42,310 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:42,311 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:42,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-12-07 01:20:42,311 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:42,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:42,311 INFO L85 PathProgramCache]: Analyzing trace with hash 897621550, now seen corresponding path program 1 times [2021-12-07 01:20:42,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:42,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260600635] [2021-12-07 01:20:42,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:42,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:42,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:42,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260600635] [2021-12-07 01:20:42,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260600635] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:42,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:42,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:20:42,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606125567] [2021-12-07 01:20:42,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:42,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:20:42,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:42,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:20:42,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:20:42,399 INFO L87 Difference]: Start difference. First operand 2710 states and 3811 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:46,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:46,200 INFO L93 Difference]: Finished difference Result 4404 states and 6147 transitions. [2021-12-07 01:20:46,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:20:46,200 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:20:46,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:46,203 INFO L225 Difference]: With dead ends: 4404 [2021-12-07 01:20:46,203 INFO L226 Difference]: Without dead ends: 4218 [2021-12-07 01:20:46,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:20:46,204 INFO L933 BasicCegarLoop]: 1543 mSDtfsCounter, 12322 mSDsluCounter, 4755 mSDsCounter, 0 mSdLazyCounter, 5699 mSolverCounterSat, 901 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12322 SdHoareTripleChecker+Valid, 6298 SdHoareTripleChecker+Invalid, 6600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 901 IncrementalHoareTripleChecker+Valid, 5699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:46,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12322 Valid, 6298 Invalid, 6600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [901 Valid, 5699 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:20:46,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2021-12-07 01:20:46,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 2710. [2021-12-07 01:20:46,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.425364758698092) internal successors, (3810), 2709 states have internal predecessors, (3810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:46,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3810 transitions. [2021-12-07 01:20:46,932 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3810 transitions. Word has length 132 [2021-12-07 01:20:46,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:46,932 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3810 transitions. [2021-12-07 01:20:46,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:46,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3810 transitions. [2021-12-07 01:20:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:20:46,934 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:46,934 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:46,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-12-07 01:20:46,934 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:46,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:46,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1458833195, now seen corresponding path program 1 times [2021-12-07 01:20:46,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:46,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836255458] [2021-12-07 01:20:46,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:46,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:47,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:47,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836255458] [2021-12-07 01:20:47,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836255458] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:47,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:47,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:20:47,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19345209] [2021-12-07 01:20:47,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:47,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:20:47,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:47,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:20:47,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:20:47,035 INFO L87 Difference]: Start difference. First operand 2710 states and 3810 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:51,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:51,558 INFO L93 Difference]: Finished difference Result 4691 states and 6634 transitions. [2021-12-07 01:20:51,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:20:51,558 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:20:51,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:51,561 INFO L225 Difference]: With dead ends: 4691 [2021-12-07 01:20:51,561 INFO L226 Difference]: Without dead ends: 4486 [2021-12-07 01:20:51,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:20:51,562 INFO L933 BasicCegarLoop]: 1977 mSDtfsCounter, 11088 mSDsluCounter, 8194 mSDsCounter, 0 mSdLazyCounter, 8240 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11088 SdHoareTripleChecker+Valid, 10171 SdHoareTripleChecker+Invalid, 8417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 8240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:51,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11088 Valid, 10171 Invalid, 8417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 8240 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-07 01:20:51,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2021-12-07 01:20:52,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2021-12-07 01:20:52,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4249906472128695) internal successors, (3809), 2709 states have internal predecessors, (3809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3809 transitions. [2021-12-07 01:20:52,314 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3809 transitions. Word has length 132 [2021-12-07 01:20:52,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:52,315 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3809 transitions. [2021-12-07 01:20:52,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3809 transitions. [2021-12-07 01:20:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:20:52,316 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:52,317 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:52,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-12-07 01:20:52,317 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:52,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:52,317 INFO L85 PathProgramCache]: Analyzing trace with hash -910026268, now seen corresponding path program 1 times [2021-12-07 01:20:52,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:52,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942161569] [2021-12-07 01:20:52,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:52,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:52,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:52,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942161569] [2021-12-07 01:20:52,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942161569] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:52,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:52,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:20:52,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147730290] [2021-12-07 01:20:52,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:52,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:20:52,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:52,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:20:52,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:20:52,415 INFO L87 Difference]: Start difference. First operand 2710 states and 3809 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:56,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:56,343 INFO L93 Difference]: Finished difference Result 4578 states and 6437 transitions. [2021-12-07 01:20:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:20:56,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:20:56,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:56,347 INFO L225 Difference]: With dead ends: 4578 [2021-12-07 01:20:56,347 INFO L226 Difference]: Without dead ends: 4386 [2021-12-07 01:20:56,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:20:56,348 INFO L933 BasicCegarLoop]: 1609 mSDtfsCounter, 12891 mSDsluCounter, 5225 mSDsCounter, 0 mSdLazyCounter, 5787 mSolverCounterSat, 462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12891 SdHoareTripleChecker+Valid, 6834 SdHoareTripleChecker+Invalid, 6249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 462 IncrementalHoareTripleChecker+Valid, 5787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:56,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12891 Valid, 6834 Invalid, 6249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [462 Valid, 5787 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:20:56,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2021-12-07 01:20:57,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2710. [2021-12-07 01:20:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4246165357276468) internal successors, (3808), 2709 states have internal predecessors, (3808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3808 transitions. [2021-12-07 01:20:57,079 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3808 transitions. Word has length 132 [2021-12-07 01:20:57,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:57,080 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3808 transitions. [2021-12-07 01:20:57,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:20:57,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3808 transitions. [2021-12-07 01:20:57,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:20:57,081 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:57,082 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:57,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-12-07 01:20:57,082 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:57,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:57,082 INFO L85 PathProgramCache]: Analyzing trace with hash 623396642, now seen corresponding path program 1 times [2021-12-07 01:20:57,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:57,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545943195] [2021-12-07 01:20:57,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:57,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:20:57,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:57,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545943195] [2021-12-07 01:20:57,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545943195] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:57,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:57,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:20:57,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328904214] [2021-12-07 01:20:57,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:57,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:20:57,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:57,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:20:57,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:20:57,228 INFO L87 Difference]: Start difference. First operand 2710 states and 3808 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:03,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:03,855 INFO L93 Difference]: Finished difference Result 5922 states and 8454 transitions. [2021-12-07 01:21:03,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:21:03,856 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:03,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:03,860 INFO L225 Difference]: With dead ends: 5922 [2021-12-07 01:21:03,860 INFO L226 Difference]: Without dead ends: 5711 [2021-12-07 01:21:03,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:21:03,861 INFO L933 BasicCegarLoop]: 2183 mSDtfsCounter, 18632 mSDsluCounter, 7462 mSDsCounter, 0 mSdLazyCounter, 7913 mSolverCounterSat, 1469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18632 SdHoareTripleChecker+Valid, 9645 SdHoareTripleChecker+Invalid, 9382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1469 IncrementalHoareTripleChecker+Valid, 7913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:03,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18632 Valid, 9645 Invalid, 9382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1469 Valid, 7913 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-07 01:21:03,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5711 states. [2021-12-07 01:21:04,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5711 to 2714. [2021-12-07 01:21:04,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4239820694807621) internal successors, (3812), 2713 states have internal predecessors, (3812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3812 transitions. [2021-12-07 01:21:04,627 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3812 transitions. Word has length 132 [2021-12-07 01:21:04,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:04,627 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3812 transitions. [2021-12-07 01:21:04,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:04,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3812 transitions. [2021-12-07 01:21:04,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:04,629 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:04,629 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:04,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-12-07 01:21:04,629 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:04,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:04,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1008460440, now seen corresponding path program 1 times [2021-12-07 01:21:04,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:04,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806720256] [2021-12-07 01:21:04,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:04,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:04,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:04,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:04,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806720256] [2021-12-07 01:21:04,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806720256] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:04,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:04,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:04,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957760719] [2021-12-07 01:21:04,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:04,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:04,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:04,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:04,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:04,720 INFO L87 Difference]: Start difference. First operand 2714 states and 3812 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:08,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:08,442 INFO L93 Difference]: Finished difference Result 4584 states and 6442 transitions. [2021-12-07 01:21:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:21:08,442 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:08,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:08,445 INFO L225 Difference]: With dead ends: 4584 [2021-12-07 01:21:08,445 INFO L226 Difference]: Without dead ends: 4390 [2021-12-07 01:21:08,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:21:08,446 INFO L933 BasicCegarLoop]: 1609 mSDtfsCounter, 9691 mSDsluCounter, 5225 mSDsCounter, 0 mSdLazyCounter, 5781 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9691 SdHoareTripleChecker+Valid, 6834 SdHoareTripleChecker+Invalid, 6123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 5781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:08,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9691 Valid, 6834 Invalid, 6123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 5781 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:21:08,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2021-12-07 01:21:09,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2714. [2021-12-07 01:21:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.423608516996638) internal successors, (3811), 2713 states have internal predecessors, (3811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3811 transitions. [2021-12-07 01:21:09,216 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3811 transitions. Word has length 132 [2021-12-07 01:21:09,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:09,217 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3811 transitions. [2021-12-07 01:21:09,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3811 transitions. [2021-12-07 01:21:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:09,218 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:09,219 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:09,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-12-07 01:21:09,219 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:09,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:09,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1992979590, now seen corresponding path program 1 times [2021-12-07 01:21:09,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:09,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593892655] [2021-12-07 01:21:09,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:09,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:09,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:09,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593892655] [2021-12-07 01:21:09,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593892655] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:09,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:09,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:09,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257077486] [2021-12-07 01:21:09,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:09,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:09,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:09,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:09,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:09,322 INFO L87 Difference]: Start difference. First operand 2714 states and 3811 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:13,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:13,724 INFO L93 Difference]: Finished difference Result 4689 states and 6628 transitions. [2021-12-07 01:21:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:21:13,724 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:13,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:13,728 INFO L225 Difference]: With dead ends: 4689 [2021-12-07 01:21:13,728 INFO L226 Difference]: Without dead ends: 4486 [2021-12-07 01:21:13,728 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:21:13,729 INFO L933 BasicCegarLoop]: 2106 mSDtfsCounter, 10595 mSDsluCounter, 8447 mSDsCounter, 0 mSdLazyCounter, 8477 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10595 SdHoareTripleChecker+Valid, 10553 SdHoareTripleChecker+Invalid, 8652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 8477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:13,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10595 Valid, 10553 Invalid, 8652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 8477 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-07 01:21:13,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2021-12-07 01:21:14,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2714. [2021-12-07 01:21:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.423234964512514) internal successors, (3810), 2713 states have internal predecessors, (3810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3810 transitions. [2021-12-07 01:21:14,502 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3810 transitions. Word has length 132 [2021-12-07 01:21:14,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:14,502 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3810 transitions. [2021-12-07 01:21:14,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3810 transitions. [2021-12-07 01:21:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:14,504 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:14,504 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:14,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-12-07 01:21:14,504 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:14,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:14,504 INFO L85 PathProgramCache]: Analyzing trace with hash -202875620, now seen corresponding path program 1 times [2021-12-07 01:21:14,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:14,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347671464] [2021-12-07 01:21:14,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:14,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:14,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:14,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347671464] [2021-12-07 01:21:14,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347671464] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:14,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:14,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:14,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764363402] [2021-12-07 01:21:14,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:14,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:14,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:14,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:14,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:14,589 INFO L87 Difference]: Start difference. First operand 2714 states and 3810 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:18,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:18,444 INFO L93 Difference]: Finished difference Result 4582 states and 6438 transitions. [2021-12-07 01:21:18,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:21:18,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:18,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:18,447 INFO L225 Difference]: With dead ends: 4582 [2021-12-07 01:21:18,448 INFO L226 Difference]: Without dead ends: 4390 [2021-12-07 01:21:18,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:21:18,448 INFO L933 BasicCegarLoop]: 1623 mSDtfsCounter, 7650 mSDsluCounter, 5267 mSDsCounter, 0 mSdLazyCounter, 5819 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7650 SdHoareTripleChecker+Valid, 6890 SdHoareTripleChecker+Invalid, 6107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 5819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:18,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7650 Valid, 6890 Invalid, 6107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 5819 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:21:18,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2021-12-07 01:21:19,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2714. [2021-12-07 01:21:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.42286141202839) internal successors, (3809), 2713 states have internal predecessors, (3809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3809 transitions. [2021-12-07 01:21:19,233 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3809 transitions. Word has length 132 [2021-12-07 01:21:19,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:19,233 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3809 transitions. [2021-12-07 01:21:19,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3809 transitions. [2021-12-07 01:21:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:19,235 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:19,235 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:19,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-12-07 01:21:19,235 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:19,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:19,235 INFO L85 PathProgramCache]: Analyzing trace with hash -714535390, now seen corresponding path program 1 times [2021-12-07 01:21:19,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:19,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631727067] [2021-12-07 01:21:19,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:19,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:19,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:19,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:19,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631727067] [2021-12-07 01:21:19,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631727067] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:19,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:19,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:19,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573139292] [2021-12-07 01:21:19,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:19,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:19,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:19,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:19,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:19,321 INFO L87 Difference]: Start difference. First operand 2714 states and 3809 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:23,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:23,295 INFO L93 Difference]: Finished difference Result 4410 states and 6147 transitions. [2021-12-07 01:21:23,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:21:23,296 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:23,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:23,299 INFO L225 Difference]: With dead ends: 4410 [2021-12-07 01:21:23,299 INFO L226 Difference]: Without dead ends: 4222 [2021-12-07 01:21:23,299 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:21:23,300 INFO L933 BasicCegarLoop]: 1576 mSDtfsCounter, 12432 mSDsluCounter, 4766 mSDsCounter, 0 mSdLazyCounter, 5700 mSolverCounterSat, 894 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12432 SdHoareTripleChecker+Valid, 6342 SdHoareTripleChecker+Invalid, 6594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 894 IncrementalHoareTripleChecker+Valid, 5700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:23,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12432 Valid, 6342 Invalid, 6594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [894 Valid, 5700 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:21:23,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2021-12-07 01:21:24,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2021-12-07 01:21:24,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.422487859544266) internal successors, (3808), 2713 states have internal predecessors, (3808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3808 transitions. [2021-12-07 01:21:24,086 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3808 transitions. Word has length 132 [2021-12-07 01:21:24,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:24,086 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3808 transitions. [2021-12-07 01:21:24,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3808 transitions. [2021-12-07 01:21:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:24,088 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:24,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:24,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-12-07 01:21:24,088 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:24,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:24,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1604772198, now seen corresponding path program 1 times [2021-12-07 01:21:24,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:24,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41451855] [2021-12-07 01:21:24,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:24,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:24,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:24,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:24,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41451855] [2021-12-07 01:21:24,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41451855] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:24,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:24,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:24,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936445874] [2021-12-07 01:21:24,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:24,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:24,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:24,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:24,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:24,179 INFO L87 Difference]: Start difference. First operand 2714 states and 3808 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:27,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:27,973 INFO L93 Difference]: Finished difference Result 4408 states and 6143 transitions. [2021-12-07 01:21:27,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:21:27,974 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:27,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:27,977 INFO L225 Difference]: With dead ends: 4408 [2021-12-07 01:21:27,977 INFO L226 Difference]: Without dead ends: 4222 [2021-12-07 01:21:27,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:21:27,978 INFO L933 BasicCegarLoop]: 1499 mSDtfsCounter, 9627 mSDsluCounter, 4622 mSDsCounter, 0 mSdLazyCounter, 5503 mSolverCounterSat, 661 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9627 SdHoareTripleChecker+Valid, 6121 SdHoareTripleChecker+Invalid, 6164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 661 IncrementalHoareTripleChecker+Valid, 5503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:27,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9627 Valid, 6121 Invalid, 6164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [661 Valid, 5503 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:21:27,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2021-12-07 01:21:28,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2021-12-07 01:21:28,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4221143070601419) internal successors, (3807), 2713 states have internal predecessors, (3807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3807 transitions. [2021-12-07 01:21:28,751 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3807 transitions. Word has length 132 [2021-12-07 01:21:28,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:28,751 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3807 transitions. [2021-12-07 01:21:28,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:28,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3807 transitions. [2021-12-07 01:21:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:28,753 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:28,753 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:28,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-12-07 01:21:28,754 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:28,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:28,754 INFO L85 PathProgramCache]: Analyzing trace with hash -884691936, now seen corresponding path program 1 times [2021-12-07 01:21:28,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:28,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138738777] [2021-12-07 01:21:28,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:28,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:28,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:28,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138738777] [2021-12-07 01:21:28,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138738777] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:28,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:28,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:28,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867992137] [2021-12-07 01:21:28,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:28,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:28,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:28,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:28,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:28,856 INFO L87 Difference]: Start difference. First operand 2714 states and 3807 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:32,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:32,752 INFO L93 Difference]: Finished difference Result 4584 states and 6435 transitions. [2021-12-07 01:21:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:21:32,752 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:32,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:32,755 INFO L225 Difference]: With dead ends: 4584 [2021-12-07 01:21:32,755 INFO L226 Difference]: Without dead ends: 4390 [2021-12-07 01:21:32,756 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:21:32,757 INFO L933 BasicCegarLoop]: 1699 mSDtfsCounter, 9481 mSDsluCounter, 5398 mSDsCounter, 0 mSdLazyCounter, 5990 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9481 SdHoareTripleChecker+Valid, 7097 SdHoareTripleChecker+Invalid, 6329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 5990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:32,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9481 Valid, 7097 Invalid, 6329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 5990 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:21:32,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2021-12-07 01:21:33,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2714. [2021-12-07 01:21:33,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.421740754576018) internal successors, (3806), 2713 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3806 transitions. [2021-12-07 01:21:33,533 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3806 transitions. Word has length 132 [2021-12-07 01:21:33,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:33,533 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3806 transitions. [2021-12-07 01:21:33,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:33,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3806 transitions. [2021-12-07 01:21:33,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:33,535 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:33,535 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:33,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-12-07 01:21:33,536 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:33,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:33,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1085707254, now seen corresponding path program 1 times [2021-12-07 01:21:33,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:33,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969972933] [2021-12-07 01:21:33,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:33,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:33,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:33,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969972933] [2021-12-07 01:21:33,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969972933] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:33,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:33,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:33,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646295786] [2021-12-07 01:21:33,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:33,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:33,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:33,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:33,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:33,623 INFO L87 Difference]: Start difference. First operand 2714 states and 3806 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:37,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:37,557 INFO L93 Difference]: Finished difference Result 4410 states and 6143 transitions. [2021-12-07 01:21:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:21:37,557 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:37,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:37,561 INFO L225 Difference]: With dead ends: 4410 [2021-12-07 01:21:37,561 INFO L226 Difference]: Without dead ends: 4222 [2021-12-07 01:21:37,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:21:37,562 INFO L933 BasicCegarLoop]: 1505 mSDtfsCounter, 7625 mSDsluCounter, 4639 mSDsCounter, 0 mSdLazyCounter, 5514 mSolverCounterSat, 556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7625 SdHoareTripleChecker+Valid, 6144 SdHoareTripleChecker+Invalid, 6070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 5514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:37,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7625 Valid, 6144 Invalid, 6070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 5514 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:21:37,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2021-12-07 01:21:38,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2021-12-07 01:21:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.421367202091894) internal successors, (3805), 2713 states have internal predecessors, (3805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3805 transitions. [2021-12-07 01:21:38,375 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3805 transitions. Word has length 132 [2021-12-07 01:21:38,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:38,375 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3805 transitions. [2021-12-07 01:21:38,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:38,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3805 transitions. [2021-12-07 01:21:38,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:38,377 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:38,377 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:38,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-12-07 01:21:38,377 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:38,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:38,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1531259281, now seen corresponding path program 1 times [2021-12-07 01:21:38,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:38,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567707942] [2021-12-07 01:21:38,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:38,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:38,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:38,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567707942] [2021-12-07 01:21:38,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567707942] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:38,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:38,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:38,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477403981] [2021-12-07 01:21:38,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:38,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:38,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:38,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:38,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:38,467 INFO L87 Difference]: Start difference. First operand 2714 states and 3805 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:42,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:42,982 INFO L93 Difference]: Finished difference Result 4697 states and 6625 transitions. [2021-12-07 01:21:42,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:21:42,983 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:42,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:42,986 INFO L225 Difference]: With dead ends: 4697 [2021-12-07 01:21:42,986 INFO L226 Difference]: Without dead ends: 4486 [2021-12-07 01:21:42,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:21:42,987 INFO L933 BasicCegarLoop]: 2112 mSDtfsCounter, 8120 mSDsluCounter, 8213 mSDsCounter, 0 mSdLazyCounter, 8266 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8120 SdHoareTripleChecker+Valid, 10325 SdHoareTripleChecker+Invalid, 8405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 8266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:42,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8120 Valid, 10325 Invalid, 8405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 8266 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-07 01:21:42,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2021-12-07 01:21:43,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2714. [2021-12-07 01:21:43,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.42099364960777) internal successors, (3804), 2713 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:43,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3804 transitions. [2021-12-07 01:21:43,790 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3804 transitions. Word has length 132 [2021-12-07 01:21:43,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:43,790 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3804 transitions. [2021-12-07 01:21:43,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:43,790 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3804 transitions. [2021-12-07 01:21:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:43,792 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:43,792 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:43,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-12-07 01:21:43,792 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:43,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:43,792 INFO L85 PathProgramCache]: Analyzing trace with hash -546149828, now seen corresponding path program 1 times [2021-12-07 01:21:43,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:43,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116792599] [2021-12-07 01:21:43,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:43,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:43,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:43,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:43,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116792599] [2021-12-07 01:21:43,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116792599] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:43,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:43,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:43,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896803235] [2021-12-07 01:21:43,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:43,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:43,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:43,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:43,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:43,879 INFO L87 Difference]: Start difference. First operand 2714 states and 3804 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:47,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:47,840 INFO L93 Difference]: Finished difference Result 4584 states and 6430 transitions. [2021-12-07 01:21:47,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:21:47,841 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:47,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:47,844 INFO L225 Difference]: With dead ends: 4584 [2021-12-07 01:21:47,844 INFO L226 Difference]: Without dead ends: 4390 [2021-12-07 01:21:47,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:21:47,845 INFO L933 BasicCegarLoop]: 1701 mSDtfsCounter, 6302 mSDsluCounter, 5498 mSDsCounter, 0 mSdLazyCounter, 6055 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6302 SdHoareTripleChecker+Valid, 7199 SdHoareTripleChecker+Invalid, 6274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 6055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:47,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6302 Valid, 7199 Invalid, 6274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 6055 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:21:47,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2021-12-07 01:21:48,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2714. [2021-12-07 01:21:48,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4206200971236458) internal successors, (3803), 2713 states have internal predecessors, (3803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:48,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3803 transitions. [2021-12-07 01:21:48,654 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3803 transitions. Word has length 132 [2021-12-07 01:21:48,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:48,654 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3803 transitions. [2021-12-07 01:21:48,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:48,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3803 transitions. [2021-12-07 01:21:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:48,656 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:48,656 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:48,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-12-07 01:21:48,656 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:48,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:48,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1236906775, now seen corresponding path program 1 times [2021-12-07 01:21:48,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:48,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123080624] [2021-12-07 01:21:48,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:48,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:48,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:48,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:48,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123080624] [2021-12-07 01:21:48,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123080624] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:48,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:48,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:48,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862600702] [2021-12-07 01:21:48,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:48,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:48,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:48,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:48,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:48,745 INFO L87 Difference]: Start difference. First operand 2714 states and 3803 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:52,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:52,834 INFO L93 Difference]: Finished difference Result 4584 states and 6429 transitions. [2021-12-07 01:21:52,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:21:52,834 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:52,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:52,837 INFO L225 Difference]: With dead ends: 4584 [2021-12-07 01:21:52,837 INFO L226 Difference]: Without dead ends: 4390 [2021-12-07 01:21:52,838 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:21:52,838 INFO L933 BasicCegarLoop]: 1718 mSDtfsCounter, 10587 mSDsluCounter, 5455 mSDsCounter, 0 mSdLazyCounter, 6020 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10587 SdHoareTripleChecker+Valid, 7173 SdHoareTripleChecker+Invalid, 6423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 6020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:52,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10587 Valid, 7173 Invalid, 6423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 6020 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:21:52,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2021-12-07 01:21:53,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2714. [2021-12-07 01:21:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4202465446395218) internal successors, (3802), 2713 states have internal predecessors, (3802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3802 transitions. [2021-12-07 01:21:53,655 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3802 transitions. Word has length 132 [2021-12-07 01:21:53,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:53,655 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3802 transitions. [2021-12-07 01:21:53,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3802 transitions. [2021-12-07 01:21:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:53,656 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:53,657 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:53,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-12-07 01:21:53,657 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:53,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:53,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1920315747, now seen corresponding path program 1 times [2021-12-07 01:21:53,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:53,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710802887] [2021-12-07 01:21:53,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:53,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:53,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:53,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710802887] [2021-12-07 01:21:53,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710802887] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:53,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:53,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:53,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011751641] [2021-12-07 01:21:53,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:53,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:53,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:53,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:53,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:53,755 INFO L87 Difference]: Start difference. First operand 2714 states and 3802 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:57,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:57,954 INFO L93 Difference]: Finished difference Result 4706 states and 6629 transitions. [2021-12-07 01:21:57,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:21:57,954 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:21:57,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:57,958 INFO L225 Difference]: With dead ends: 4706 [2021-12-07 01:21:57,958 INFO L226 Difference]: Without dead ends: 4486 [2021-12-07 01:21:57,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:21:57,958 INFO L933 BasicCegarLoop]: 2112 mSDtfsCounter, 10683 mSDsluCounter, 6647 mSDsCounter, 0 mSdLazyCounter, 7020 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10683 SdHoareTripleChecker+Valid, 8759 SdHoareTripleChecker+Invalid, 7196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 7020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:57,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10683 Valid, 8759 Invalid, 7196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 7020 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:21:57,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2021-12-07 01:21:58,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2714. [2021-12-07 01:21:58,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4198729921553979) internal successors, (3801), 2713 states have internal predecessors, (3801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:58,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3801 transitions. [2021-12-07 01:21:58,786 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3801 transitions. Word has length 132 [2021-12-07 01:21:58,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:58,786 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3801 transitions. [2021-12-07 01:21:58,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:21:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3801 transitions. [2021-12-07 01:21:58,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:58,788 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:58,788 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:58,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-12-07 01:21:58,788 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:58,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:58,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1511470519, now seen corresponding path program 1 times [2021-12-07 01:21:58,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:58,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528487323] [2021-12-07 01:21:58,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:58,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:21:58,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:58,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528487323] [2021-12-07 01:21:58,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528487323] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:58,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:58,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:21:58,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639341306] [2021-12-07 01:21:58,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:58,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:21:58,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:58,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:21:58,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:58,887 INFO L87 Difference]: Start difference. First operand 2714 states and 3801 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:03,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:03,065 INFO L93 Difference]: Finished difference Result 4588 states and 6430 transitions. [2021-12-07 01:22:03,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:22:03,065 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:22:03,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:03,068 INFO L225 Difference]: With dead ends: 4588 [2021-12-07 01:22:03,068 INFO L226 Difference]: Without dead ends: 4390 [2021-12-07 01:22:03,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:22:03,069 INFO L933 BasicCegarLoop]: 1668 mSDtfsCounter, 12546 mSDsluCounter, 5397 mSDsCounter, 0 mSdLazyCounter, 5883 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12546 SdHoareTripleChecker+Valid, 7065 SdHoareTripleChecker+Invalid, 6336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 5883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:03,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12546 Valid, 7065 Invalid, 6336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 5883 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:22:03,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2021-12-07 01:22:03,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2714. [2021-12-07 01:22:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.419499439671274) internal successors, (3800), 2713 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:03,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3800 transitions. [2021-12-07 01:22:03,896 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3800 transitions. Word has length 132 [2021-12-07 01:22:03,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:03,896 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3800 transitions. [2021-12-07 01:22:03,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:03,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3800 transitions. [2021-12-07 01:22:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:22:03,898 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:03,898 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:03,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-12-07 01:22:03,898 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:22:03,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:03,898 INFO L85 PathProgramCache]: Analyzing trace with hash 25786769, now seen corresponding path program 1 times [2021-12-07 01:22:03,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:03,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241291604] [2021-12-07 01:22:03,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:03,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:04,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:04,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241291604] [2021-12-07 01:22:04,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241291604] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:04,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:04,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:22:04,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668235466] [2021-12-07 01:22:04,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:04,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:22:04,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:04,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:22:04,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:22:04,002 INFO L87 Difference]: Start difference. First operand 2714 states and 3800 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:08,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:08,087 INFO L93 Difference]: Finished difference Result 4584 states and 6425 transitions. [2021-12-07 01:22:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:22:08,087 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:22:08,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:08,090 INFO L225 Difference]: With dead ends: 4584 [2021-12-07 01:22:08,090 INFO L226 Difference]: Without dead ends: 4390 [2021-12-07 01:22:08,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:22:08,091 INFO L933 BasicCegarLoop]: 1668 mSDtfsCounter, 12537 mSDsluCounter, 5401 mSDsCounter, 0 mSdLazyCounter, 5881 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12537 SdHoareTripleChecker+Valid, 7069 SdHoareTripleChecker+Invalid, 6334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 5881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:08,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12537 Valid, 7069 Invalid, 6334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 5881 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:22:08,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2021-12-07 01:22:08,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2714. [2021-12-07 01:22:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4191258871871497) internal successors, (3799), 2713 states have internal predecessors, (3799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:08,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3799 transitions. [2021-12-07 01:22:08,921 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3799 transitions. Word has length 132 [2021-12-07 01:22:08,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:08,921 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3799 transitions. [2021-12-07 01:22:08,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3799 transitions. [2021-12-07 01:22:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:22:08,923 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:08,923 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:08,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-12-07 01:22:08,923 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:22:08,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:08,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1657643851, now seen corresponding path program 1 times [2021-12-07 01:22:08,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:08,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997888768] [2021-12-07 01:22:08,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:08,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:09,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:09,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:09,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997888768] [2021-12-07 01:22:09,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997888768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:09,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:09,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:22:09,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876156482] [2021-12-07 01:22:09,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:09,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:22:09,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:09,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:22:09,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:22:09,029 INFO L87 Difference]: Start difference. First operand 2714 states and 3799 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:13,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:13,019 INFO L93 Difference]: Finished difference Result 4410 states and 6136 transitions. [2021-12-07 01:22:13,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:22:13,020 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:22:13,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:13,023 INFO L225 Difference]: With dead ends: 4410 [2021-12-07 01:22:13,023 INFO L226 Difference]: Without dead ends: 4222 [2021-12-07 01:22:13,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:22:13,024 INFO L933 BasicCegarLoop]: 1587 mSDtfsCounter, 6489 mSDsluCounter, 4886 mSDsCounter, 0 mSdLazyCounter, 5793 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6489 SdHoareTripleChecker+Valid, 6473 SdHoareTripleChecker+Invalid, 6213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 5793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:13,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6489 Valid, 6473 Invalid, 6213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 5793 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:22:13,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2021-12-07 01:22:13,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2021-12-07 01:22:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4187523347030258) internal successors, (3798), 2713 states have internal predecessors, (3798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:13,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3798 transitions. [2021-12-07 01:22:13,860 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3798 transitions. Word has length 132 [2021-12-07 01:22:13,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:13,860 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3798 transitions. [2021-12-07 01:22:13,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:13,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3798 transitions. [2021-12-07 01:22:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:22:13,862 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:13,862 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:13,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-12-07 01:22:13,862 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:22:13,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:13,862 INFO L85 PathProgramCache]: Analyzing trace with hash 395107330, now seen corresponding path program 1 times [2021-12-07 01:22:13,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:13,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729537289] [2021-12-07 01:22:13,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:13,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:13,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:13,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729537289] [2021-12-07 01:22:13,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729537289] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:13,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:13,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:22:13,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134501770] [2021-12-07 01:22:13,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:13,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:22:13,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:13,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:22:13,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:22:13,957 INFO L87 Difference]: Start difference. First operand 2714 states and 3798 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:18,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:18,488 INFO L93 Difference]: Finished difference Result 4697 states and 6613 transitions. [2021-12-07 01:22:18,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:22:18,489 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:22:18,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:18,492 INFO L225 Difference]: With dead ends: 4697 [2021-12-07 01:22:18,492 INFO L226 Difference]: Without dead ends: 4486 [2021-12-07 01:22:18,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:22:18,493 INFO L933 BasicCegarLoop]: 2095 mSDtfsCounter, 8124 mSDsluCounter, 8409 mSDsCounter, 0 mSdLazyCounter, 8347 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8124 SdHoareTripleChecker+Valid, 10504 SdHoareTripleChecker+Invalid, 8487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 8347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:18,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8124 Valid, 10504 Invalid, 8487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 8347 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-07 01:22:18,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2021-12-07 01:22:19,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2714. [2021-12-07 01:22:19,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4183787822189018) internal successors, (3797), 2713 states have internal predecessors, (3797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:19,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3797 transitions. [2021-12-07 01:22:19,332 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3797 transitions. Word has length 132 [2021-12-07 01:22:19,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:19,332 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 3797 transitions. [2021-12-07 01:22:19,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3797 transitions. [2021-12-07 01:22:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:22:19,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:19,334 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:19,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-12-07 01:22:19,334 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:22:19,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:19,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1697137474, now seen corresponding path program 1 times [2021-12-07 01:22:19,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:19,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570474903] [2021-12-07 01:22:19,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:19,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:19,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:19,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570474903] [2021-12-07 01:22:19,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570474903] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:19,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:19,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:22:19,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528876977] [2021-12-07 01:22:19,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:19,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:22:19,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:19,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:22:19,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:22:19,466 INFO L87 Difference]: Start difference. First operand 2714 states and 3797 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:26,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:26,527 INFO L93 Difference]: Finished difference Result 5922 states and 8428 transitions. [2021-12-07 01:22:26,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:22:26,528 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:22:26,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:26,532 INFO L225 Difference]: With dead ends: 5922 [2021-12-07 01:22:26,532 INFO L226 Difference]: Without dead ends: 5711 [2021-12-07 01:22:26,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:22:26,533 INFO L933 BasicCegarLoop]: 2168 mSDtfsCounter, 15574 mSDsluCounter, 7415 mSDsCounter, 0 mSdLazyCounter, 7732 mSolverCounterSat, 1251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15574 SdHoareTripleChecker+Valid, 9583 SdHoareTripleChecker+Invalid, 8983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1251 IncrementalHoareTripleChecker+Valid, 7732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:26,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15574 Valid, 9583 Invalid, 8983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1251 Valid, 7732 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-07 01:22:26,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5711 states. [2021-12-07 01:22:27,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5711 to 2718. [2021-12-07 01:22:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.4177545691906006) internal successors, (3801), 2717 states have internal predecessors, (3801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3801 transitions. [2021-12-07 01:22:27,411 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3801 transitions. Word has length 132 [2021-12-07 01:22:27,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:27,411 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3801 transitions. [2021-12-07 01:22:27,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3801 transitions. [2021-12-07 01:22:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:22:27,413 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:27,413 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:27,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-12-07 01:22:27,413 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:22:27,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:27,413 INFO L85 PathProgramCache]: Analyzing trace with hash 65280392, now seen corresponding path program 1 times [2021-12-07 01:22:27,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:27,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178182065] [2021-12-07 01:22:27,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:27,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:27,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:27,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:27,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178182065] [2021-12-07 01:22:27,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178182065] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:27,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:27,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:22:27,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113080364] [2021-12-07 01:22:27,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:27,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:22:27,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:27,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:22:27,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:22:27,498 INFO L87 Difference]: Start difference. First operand 2718 states and 3801 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:31,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:31,470 INFO L93 Difference]: Finished difference Result 4588 states and 6425 transitions. [2021-12-07 01:22:31,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:22:31,470 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:22:31,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:31,473 INFO L225 Difference]: With dead ends: 4588 [2021-12-07 01:22:31,473 INFO L226 Difference]: Without dead ends: 4394 [2021-12-07 01:22:31,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:22:31,474 INFO L933 BasicCegarLoop]: 1746 mSDtfsCounter, 12093 mSDsluCounter, 5633 mSDsCounter, 0 mSdLazyCounter, 6137 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12093 SdHoareTripleChecker+Valid, 7379 SdHoareTripleChecker+Invalid, 6583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 6137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:31,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12093 Valid, 7379 Invalid, 6583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 6137 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:22:31,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-12-07 01:22:32,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 2718. [2021-12-07 01:22:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2681 states have (on average 1.4173815740395375) internal successors, (3800), 2717 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3800 transitions. [2021-12-07 01:22:32,342 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3800 transitions. Word has length 132 [2021-12-07 01:22:32,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:32,343 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 3800 transitions. [2021-12-07 01:22:32,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:32,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3800 transitions. [2021-12-07 01:22:32,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:22:32,344 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:32,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:32,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-12-07 01:22:32,345 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:22:32,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:32,345 INFO L85 PathProgramCache]: Analyzing trace with hash -273261716, now seen corresponding path program 1 times [2021-12-07 01:22:32,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:32,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852416105] [2021-12-07 01:22:32,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:32,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:32,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:32,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852416105] [2021-12-07 01:22:32,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852416105] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:32,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:32,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:22:32,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284789479] [2021-12-07 01:22:32,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:32,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:22:32,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:32,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:22:32,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:22:32,481 INFO L87 Difference]: Start difference. First operand 2718 states and 3800 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:39,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:39,440 INFO L93 Difference]: Finished difference Result 5636 states and 7979 transitions. [2021-12-07 01:22:39,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:22:39,441 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:22:39,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:39,445 INFO L225 Difference]: With dead ends: 5636 [2021-12-07 01:22:39,445 INFO L226 Difference]: Without dead ends: 5442 [2021-12-07 01:22:39,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:22:39,446 INFO L933 BasicCegarLoop]: 1787 mSDtfsCounter, 15623 mSDsluCounter, 6325 mSDsCounter, 0 mSdLazyCounter, 6743 mSolverCounterSat, 1742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15623 SdHoareTripleChecker+Valid, 8112 SdHoareTripleChecker+Invalid, 8485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1742 IncrementalHoareTripleChecker+Valid, 6743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:39,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15623 Valid, 8112 Invalid, 8485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1742 Valid, 6743 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-07 01:22:39,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5442 states. [2021-12-07 01:22:40,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5442 to 2722. [2021-12-07 01:22:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.416759776536313) internal successors, (3804), 2721 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3804 transitions. [2021-12-07 01:22:40,325 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3804 transitions. Word has length 132 [2021-12-07 01:22:40,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:40,325 INFO L470 AbstractCegarLoop]: Abstraction has 2722 states and 3804 transitions. [2021-12-07 01:22:40,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:40,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3804 transitions. [2021-12-07 01:22:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:22:40,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:40,327 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:40,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-12-07 01:22:40,327 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:22:40,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:40,327 INFO L85 PathProgramCache]: Analyzing trace with hash 150108840, now seen corresponding path program 1 times [2021-12-07 01:22:40,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:40,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037438014] [2021-12-07 01:22:40,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:40,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:40,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:40,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037438014] [2021-12-07 01:22:40,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037438014] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:40,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:40,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:22:40,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132099568] [2021-12-07 01:22:40,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:40,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:22:40,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:40,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:22:40,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:22:40,415 INFO L87 Difference]: Start difference. First operand 2722 states and 3804 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:44,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:44,539 INFO L93 Difference]: Finished difference Result 4235 states and 5863 transitions. [2021-12-07 01:22:44,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:22:44,540 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:22:44,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:44,543 INFO L225 Difference]: With dead ends: 4235 [2021-12-07 01:22:44,543 INFO L226 Difference]: Without dead ends: 4230 [2021-12-07 01:22:44,543 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:22:44,543 INFO L933 BasicCegarLoop]: 1615 mSDtfsCounter, 9310 mSDsluCounter, 4877 mSDsCounter, 0 mSdLazyCounter, 5770 mSolverCounterSat, 648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9310 SdHoareTripleChecker+Valid, 6492 SdHoareTripleChecker+Invalid, 6418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 5770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:44,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9310 Valid, 6492 Invalid, 6418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 5770 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:22:44,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4230 states. [2021-12-07 01:22:45,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4230 to 2722. [2021-12-07 01:22:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4160148975791433) internal successors, (3802), 2721 states have internal predecessors, (3802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3802 transitions. [2021-12-07 01:22:45,406 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3802 transitions. Word has length 132 [2021-12-07 01:22:45,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:45,407 INFO L470 AbstractCegarLoop]: Abstraction has 2722 states and 3802 transitions. [2021-12-07 01:22:45,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3802 transitions. [2021-12-07 01:22:45,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:22:45,409 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:45,410 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:45,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-12-07 01:22:45,410 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:22:45,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:45,410 INFO L85 PathProgramCache]: Analyzing trace with hash -218186945, now seen corresponding path program 1 times [2021-12-07 01:22:45,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:45,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438669564] [2021-12-07 01:22:45,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:45,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:45,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:45,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438669564] [2021-12-07 01:22:45,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438669564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:45,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:45,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:22:45,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790802379] [2021-12-07 01:22:45,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:45,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:22:45,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:45,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:22:45,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:22:45,502 INFO L87 Difference]: Start difference. First operand 2722 states and 3802 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:49,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:49,616 INFO L93 Difference]: Finished difference Result 4596 states and 6430 transitions. [2021-12-07 01:22:49,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:22:49,617 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:22:49,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:49,620 INFO L225 Difference]: With dead ends: 4596 [2021-12-07 01:22:49,620 INFO L226 Difference]: Without dead ends: 4394 [2021-12-07 01:22:49,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:22:49,621 INFO L933 BasicCegarLoop]: 1681 mSDtfsCounter, 9388 mSDsluCounter, 5441 mSDsCounter, 0 mSdLazyCounter, 5885 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9388 SdHoareTripleChecker+Valid, 7122 SdHoareTripleChecker+Invalid, 6220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 5885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:49,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9388 Valid, 7122 Invalid, 6220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 5885 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:22:49,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-12-07 01:22:50,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 2722. [2021-12-07 01:22:50,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.415270018621974) internal successors, (3800), 2721 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:50,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3800 transitions. [2021-12-07 01:22:50,509 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3800 transitions. Word has length 132 [2021-12-07 01:22:50,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:50,509 INFO L470 AbstractCegarLoop]: Abstraction has 2722 states and 3800 transitions. [2021-12-07 01:22:50,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:50,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3800 transitions. [2021-12-07 01:22:50,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:22:50,511 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:50,511 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:50,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-12-07 01:22:50,511 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:22:50,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:50,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1307976641, now seen corresponding path program 1 times [2021-12-07 01:22:50,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:50,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150907430] [2021-12-07 01:22:50,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:50,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:50,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:50,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150907430] [2021-12-07 01:22:50,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150907430] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:50,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:50,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:22:50,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178180079] [2021-12-07 01:22:50,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:50,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:22:50,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:50,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:22:50,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:22:50,600 INFO L87 Difference]: Start difference. First operand 2722 states and 3800 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:54,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:54,829 INFO L93 Difference]: Finished difference Result 4592 states and 6424 transitions. [2021-12-07 01:22:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:22:54,830 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:22:54,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:54,833 INFO L225 Difference]: With dead ends: 4592 [2021-12-07 01:22:54,833 INFO L226 Difference]: Without dead ends: 4394 [2021-12-07 01:22:54,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:22:54,834 INFO L933 BasicCegarLoop]: 1681 mSDtfsCounter, 12444 mSDsluCounter, 5441 mSDsCounter, 0 mSdLazyCounter, 5883 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12444 SdHoareTripleChecker+Valid, 7122 SdHoareTripleChecker+Invalid, 6333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 5883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:54,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12444 Valid, 7122 Invalid, 6333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 5883 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:22:54,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-12-07 01:22:55,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 2722. [2021-12-07 01:22:55,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4145251396648044) internal successors, (3798), 2721 states have internal predecessors, (3798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3798 transitions. [2021-12-07 01:22:55,724 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3798 transitions. Word has length 132 [2021-12-07 01:22:55,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:55,724 INFO L470 AbstractCegarLoop]: Abstraction has 2722 states and 3798 transitions. [2021-12-07 01:22:55,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3798 transitions. [2021-12-07 01:22:55,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:22:55,726 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:55,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:55,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-12-07 01:22:55,726 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:22:55,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:55,727 INFO L85 PathProgramCache]: Analyzing trace with hash 499671177, now seen corresponding path program 1 times [2021-12-07 01:22:55,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:55,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142698029] [2021-12-07 01:22:55,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:55,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:55,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:55,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142698029] [2021-12-07 01:22:55,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142698029] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:55,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:55,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:22:55,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456220473] [2021-12-07 01:22:55,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:55,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:22:55,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:55,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:22:55,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:22:55,821 INFO L87 Difference]: Start difference. First operand 2722 states and 3798 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:00,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:23:00,619 INFO L93 Difference]: Finished difference Result 4714 states and 6625 transitions. [2021-12-07 01:23:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:23:00,619 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:23:00,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:23:00,622 INFO L225 Difference]: With dead ends: 4714 [2021-12-07 01:23:00,622 INFO L226 Difference]: Without dead ends: 4490 [2021-12-07 01:23:00,623 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:23:00,623 INFO L933 BasicCegarLoop]: 2012 mSDtfsCounter, 10688 mSDsluCounter, 8163 mSDsCounter, 0 mSdLazyCounter, 8050 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10688 SdHoareTripleChecker+Valid, 10175 SdHoareTripleChecker+Invalid, 8227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 8050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:23:00,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10688 Valid, 10175 Invalid, 8227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 8050 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-07 01:23:00,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2021-12-07 01:23:01,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 2722. [2021-12-07 01:23:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.413780260707635) internal successors, (3796), 2721 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3796 transitions. [2021-12-07 01:23:01,513 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3796 transitions. Word has length 132 [2021-12-07 01:23:01,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:23:01,513 INFO L470 AbstractCegarLoop]: Abstraction has 2722 states and 3796 transitions. [2021-12-07 01:23:01,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3796 transitions. [2021-12-07 01:23:01,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:23:01,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:23:01,515 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:01,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-12-07 01:23:01,515 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:23:01,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:23:01,516 INFO L85 PathProgramCache]: Analyzing trace with hash -129024347, now seen corresponding path program 1 times [2021-12-07 01:23:01,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:23:01,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092949154] [2021-12-07 01:23:01,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:23:01,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:23:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:23:01,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:23:01,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092949154] [2021-12-07 01:23:01,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092949154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:23:01,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:23:01,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:23:01,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265431272] [2021-12-07 01:23:01,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:23:01,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:23:01,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:23:01,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:23:01,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:23:01,651 INFO L87 Difference]: Start difference. First operand 2722 states and 3796 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:09,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:23:09,269 INFO L93 Difference]: Finished difference Result 5644 states and 7982 transitions. [2021-12-07 01:23:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:23:09,270 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:23:09,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:23:09,273 INFO L225 Difference]: With dead ends: 5644 [2021-12-07 01:23:09,273 INFO L226 Difference]: Without dead ends: 5446 [2021-12-07 01:23:09,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:23:09,274 INFO L933 BasicCegarLoop]: 1794 mSDtfsCounter, 18641 mSDsluCounter, 8087 mSDsCounter, 0 mSdLazyCounter, 8283 mSolverCounterSat, 2063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18641 SdHoareTripleChecker+Valid, 9881 SdHoareTripleChecker+Invalid, 10346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2063 IncrementalHoareTripleChecker+Valid, 8283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:23:09,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18641 Valid, 9881 Invalid, 10346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2063 Valid, 8283 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-07 01:23:09,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5446 states. [2021-12-07 01:23:10,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5446 to 2730. [2021-12-07 01:23:10,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4125510582992944) internal successors, (3804), 2729 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3804 transitions. [2021-12-07 01:23:10,198 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3804 transitions. Word has length 132 [2021-12-07 01:23:10,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:23:10,198 INFO L470 AbstractCegarLoop]: Abstraction has 2730 states and 3804 transitions. [2021-12-07 01:23:10,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3804 transitions. [2021-12-07 01:23:10,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:23:10,200 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:23:10,200 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:10,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-12-07 01:23:10,200 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:23:10,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:23:10,200 INFO L85 PathProgramCache]: Analyzing trace with hash -600825993, now seen corresponding path program 1 times [2021-12-07 01:23:10,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:23:10,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94717226] [2021-12-07 01:23:10,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:23:10,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:23:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:23:10,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:23:10,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94717226] [2021-12-07 01:23:10,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94717226] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:23:10,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:23:10,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:23:10,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904293026] [2021-12-07 01:23:10,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:23:10,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:23:10,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:23:10,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:23:10,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:23:10,294 INFO L87 Difference]: Start difference. First operand 2730 states and 3804 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:14,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:23:14,627 INFO L93 Difference]: Finished difference Result 4592 states and 6418 transitions. [2021-12-07 01:23:14,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:23:14,627 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:23:14,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:23:14,631 INFO L225 Difference]: With dead ends: 4592 [2021-12-07 01:23:14,631 INFO L226 Difference]: Without dead ends: 4394 [2021-12-07 01:23:14,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:23:14,631 INFO L933 BasicCegarLoop]: 1690 mSDtfsCounter, 12383 mSDsluCounter, 5468 mSDsCounter, 0 mSdLazyCounter, 5906 mSolverCounterSat, 447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12383 SdHoareTripleChecker+Valid, 7158 SdHoareTripleChecker+Invalid, 6353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 447 IncrementalHoareTripleChecker+Valid, 5906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:23:14,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12383 Valid, 7158 Invalid, 6353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [447 Valid, 5906 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:23:14,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-12-07 01:23:15,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 2730. [2021-12-07 01:23:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4118083921277387) internal successors, (3802), 2729 states have internal predecessors, (3802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:15,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3802 transitions. [2021-12-07 01:23:15,538 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3802 transitions. Word has length 132 [2021-12-07 01:23:15,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:23:15,538 INFO L470 AbstractCegarLoop]: Abstraction has 2730 states and 3802 transitions. [2021-12-07 01:23:15,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3802 transitions. [2021-12-07 01:23:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:23:15,540 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:23:15,540 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:15,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-12-07 01:23:15,540 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:23:15,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:23:15,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1206821825, now seen corresponding path program 1 times [2021-12-07 01:23:15,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:23:15,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450093194] [2021-12-07 01:23:15,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:23:15,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:23:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:15,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:23:15,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:23:15,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450093194] [2021-12-07 01:23:15,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450093194] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:23:15,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:23:15,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:23:15,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033424880] [2021-12-07 01:23:15,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:23:15,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:23:15,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:23:15,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:23:15,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:23:15,630 INFO L87 Difference]: Start difference. First operand 2730 states and 3802 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:19,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:23:19,919 INFO L93 Difference]: Finished difference Result 4722 states and 6627 transitions. [2021-12-07 01:23:19,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:23:19,920 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:23:19,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:23:19,923 INFO L225 Difference]: With dead ends: 4722 [2021-12-07 01:23:19,923 INFO L226 Difference]: Without dead ends: 4498 [2021-12-07 01:23:19,923 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:23:19,924 INFO L933 BasicCegarLoop]: 2093 mSDtfsCounter, 10541 mSDsluCounter, 6682 mSDsCounter, 0 mSdLazyCounter, 6949 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10541 SdHoareTripleChecker+Valid, 8775 SdHoareTripleChecker+Invalid, 7124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 6949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:23:19,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10541 Valid, 8775 Invalid, 7124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 6949 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:23:19,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4498 states. [2021-12-07 01:23:20,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4498 to 2730. [2021-12-07 01:23:20,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4110657259561827) internal successors, (3800), 2729 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:20,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3800 transitions. [2021-12-07 01:23:20,836 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3800 transitions. Word has length 132 [2021-12-07 01:23:20,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:23:20,837 INFO L470 AbstractCegarLoop]: Abstraction has 2730 states and 3800 transitions. [2021-12-07 01:23:20,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:20,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3800 transitions. [2021-12-07 01:23:20,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:23:20,839 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:23:20,839 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:20,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-12-07 01:23:20,840 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:23:20,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:23:20,840 INFO L85 PathProgramCache]: Analyzing trace with hash -136140937, now seen corresponding path program 1 times [2021-12-07 01:23:20,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:23:20,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232787349] [2021-12-07 01:23:20,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:23:20,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:23:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:23:20,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:23:20,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232787349] [2021-12-07 01:23:20,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232787349] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:23:20,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:23:20,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:23:20,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768170556] [2021-12-07 01:23:20,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:23:20,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:23:20,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:23:20,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:23:20,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:23:20,934 INFO L87 Difference]: Start difference. First operand 2730 states and 3800 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:24,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:23:24,875 INFO L93 Difference]: Finished difference Result 4411 states and 6134 transitions. [2021-12-07 01:23:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:23:24,876 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:23:24,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:23:24,879 INFO L225 Difference]: With dead ends: 4411 [2021-12-07 01:23:24,879 INFO L226 Difference]: Without dead ends: 4394 [2021-12-07 01:23:24,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:23:24,880 INFO L933 BasicCegarLoop]: 1704 mSDtfsCounter, 6319 mSDsluCounter, 5497 mSDsCounter, 0 mSdLazyCounter, 5948 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6319 SdHoareTripleChecker+Valid, 7201 SdHoareTripleChecker+Invalid, 6165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 5948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:23:24,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6319 Valid, 7201 Invalid, 6165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 5948 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-07 01:23:24,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-12-07 01:23:25,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 2730. [2021-12-07 01:23:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4103230597846268) internal successors, (3798), 2729 states have internal predecessors, (3798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3798 transitions. [2021-12-07 01:23:25,807 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3798 transitions. Word has length 132 [2021-12-07 01:23:25,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:23:25,807 INFO L470 AbstractCegarLoop]: Abstraction has 2730 states and 3798 transitions. [2021-12-07 01:23:25,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:25,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3798 transitions. [2021-12-07 01:23:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:23:25,809 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:23:25,809 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:25,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-12-07 01:23:25,810 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:23:25,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:23:25,810 INFO L85 PathProgramCache]: Analyzing trace with hash -2048338039, now seen corresponding path program 1 times [2021-12-07 01:23:25,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:23:25,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019677314] [2021-12-07 01:23:25,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:23:25,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:23:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:23:25,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:23:25,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019677314] [2021-12-07 01:23:25,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019677314] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:23:25,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:23:25,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:23:25,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415538003] [2021-12-07 01:23:25,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:23:25,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:23:25,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:23:25,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:23:25,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:23:25,899 INFO L87 Difference]: Start difference. First operand 2730 states and 3798 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:30,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:23:30,369 INFO L93 Difference]: Finished difference Result 4728 states and 6619 transitions. [2021-12-07 01:23:30,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:23:30,370 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:23:30,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:23:30,373 INFO L225 Difference]: With dead ends: 4728 [2021-12-07 01:23:30,373 INFO L226 Difference]: Without dead ends: 4498 [2021-12-07 01:23:30,374 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:23:30,374 INFO L933 BasicCegarLoop]: 2093 mSDtfsCounter, 10550 mSDsluCounter, 6656 mSDsCounter, 0 mSdLazyCounter, 6919 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10550 SdHoareTripleChecker+Valid, 8749 SdHoareTripleChecker+Invalid, 7094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 6919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:23:30,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10550 Valid, 8749 Invalid, 7094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 6919 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:23:30,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4498 states. [2021-12-07 01:23:31,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4498 to 2730. [2021-12-07 01:23:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2693 states have (on average 1.4095803936130709) internal successors, (3796), 2729 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3796 transitions. [2021-12-07 01:23:31,297 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3796 transitions. Word has length 132 [2021-12-07 01:23:31,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:23:31,297 INFO L470 AbstractCegarLoop]: Abstraction has 2730 states and 3796 transitions. [2021-12-07 01:23:31,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3796 transitions. [2021-12-07 01:23:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:23:31,299 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:23:31,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:31,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-12-07 01:23:31,299 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:23:31,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:23:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2089081092, now seen corresponding path program 1 times [2021-12-07 01:23:31,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:23:31,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054954467] [2021-12-07 01:23:31,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:23:31,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:23:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:23:31,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:23:31,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054954467] [2021-12-07 01:23:31,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054954467] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:23:31,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:23:31,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:23:31,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143519029] [2021-12-07 01:23:31,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:23:31,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:23:31,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:23:31,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:23:31,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:23:31,441 INFO L87 Difference]: Start difference. First operand 2730 states and 3796 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:39,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:23:39,113 INFO L93 Difference]: Finished difference Result 5656 states and 7980 transitions. [2021-12-07 01:23:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:23:39,114 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:23:39,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:23:39,117 INFO L225 Difference]: With dead ends: 5656 [2021-12-07 01:23:39,117 INFO L226 Difference]: Without dead ends: 5452 [2021-12-07 01:23:39,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:23:39,118 INFO L933 BasicCegarLoop]: 1830 mSDtfsCounter, 18422 mSDsluCounter, 8208 mSDsCounter, 0 mSdLazyCounter, 8369 mSolverCounterSat, 2033 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18422 SdHoareTripleChecker+Valid, 10038 SdHoareTripleChecker+Invalid, 10402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2033 IncrementalHoareTripleChecker+Valid, 8369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:23:39,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18422 Valid, 10038 Invalid, 10402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2033 Valid, 8369 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-07 01:23:39,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5452 states. [2021-12-07 01:23:40,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5452 to 2738. [2021-12-07 01:23:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 2701 states have (on average 1.40836727138097) internal successors, (3804), 2737 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3804 transitions. [2021-12-07 01:23:40,067 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3804 transitions. Word has length 132 [2021-12-07 01:23:40,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:23:40,067 INFO L470 AbstractCegarLoop]: Abstraction has 2738 states and 3804 transitions. [2021-12-07 01:23:40,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3804 transitions. [2021-12-07 01:23:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:23:40,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:23:40,069 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:40,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-12-07 01:23:40,069 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:23:40,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:23:40,069 INFO L85 PathProgramCache]: Analyzing trace with hash 353749652, now seen corresponding path program 1 times [2021-12-07 01:23:40,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:23:40,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521809276] [2021-12-07 01:23:40,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:23:40,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:23:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:23:40,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:23:40,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521809276] [2021-12-07 01:23:40,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521809276] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:23:40,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:23:40,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:23:40,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916635078] [2021-12-07 01:23:40,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:23:40,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:23:40,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:23:40,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:23:40,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:23:40,152 INFO L87 Difference]: Start difference. First operand 2738 states and 3804 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:44,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:23:44,437 INFO L93 Difference]: Finished difference Result 4596 states and 6410 transitions. [2021-12-07 01:23:44,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:23:44,437 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:23:44,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:23:44,440 INFO L225 Difference]: With dead ends: 4596 [2021-12-07 01:23:44,440 INFO L226 Difference]: Without dead ends: 4394 [2021-12-07 01:23:44,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:23:44,441 INFO L933 BasicCegarLoop]: 1720 mSDtfsCounter, 9225 mSDsluCounter, 5558 mSDsCounter, 0 mSdLazyCounter, 5970 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9225 SdHoareTripleChecker+Valid, 7278 SdHoareTripleChecker+Invalid, 6299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 5970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:23:44,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9225 Valid, 7278 Invalid, 6299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 5970 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:23:44,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-12-07 01:23:45,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 2738. [2021-12-07 01:23:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 2701 states have (on average 1.4076268048870788) internal successors, (3802), 2737 states have internal predecessors, (3802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3802 transitions. [2021-12-07 01:23:45,406 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3802 transitions. Word has length 132 [2021-12-07 01:23:45,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:23:45,406 INFO L470 AbstractCegarLoop]: Abstraction has 2738 states and 3802 transitions. [2021-12-07 01:23:45,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3802 transitions. [2021-12-07 01:23:45,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:23:45,408 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:23:45,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:45,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-12-07 01:23:45,409 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:23:45,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:23:45,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2049370995, now seen corresponding path program 1 times [2021-12-07 01:23:45,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:23:45,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676265711] [2021-12-07 01:23:45,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:23:45,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:23:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:23:45,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:23:45,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676265711] [2021-12-07 01:23:45,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676265711] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:23:45,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:23:45,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:23:45,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014188665] [2021-12-07 01:23:45,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:23:45,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:23:45,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:23:45,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:23:45,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:23:45,535 INFO L87 Difference]: Start difference. First operand 2738 states and 3802 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:52,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:23:52,711 INFO L93 Difference]: Finished difference Result 5656 states and 7976 transitions. [2021-12-07 01:23:52,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:23:52,711 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:23:52,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:23:52,715 INFO L225 Difference]: With dead ends: 5656 [2021-12-07 01:23:52,715 INFO L226 Difference]: Without dead ends: 5452 [2021-12-07 01:23:52,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:23:52,716 INFO L933 BasicCegarLoop]: 1822 mSDtfsCounter, 18530 mSDsluCounter, 6414 mSDsCounter, 0 mSdLazyCounter, 6780 mSolverCounterSat, 2045 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18530 SdHoareTripleChecker+Valid, 8236 SdHoareTripleChecker+Invalid, 8825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2045 IncrementalHoareTripleChecker+Valid, 6780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:23:52,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18530 Valid, 8236 Invalid, 8825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2045 Valid, 6780 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-07 01:23:52,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5452 states. [2021-12-07 01:23:53,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5452 to 2746. [2021-12-07 01:23:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2709 states have (on average 1.406423034330011) internal successors, (3810), 2745 states have internal predecessors, (3810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3810 transitions. [2021-12-07 01:23:53,680 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3810 transitions. Word has length 132 [2021-12-07 01:23:53,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:23:53,680 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 3810 transitions. [2021-12-07 01:23:53,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3810 transitions. [2021-12-07 01:23:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:23:53,681 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:23:53,682 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:53,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-12-07 01:23:53,682 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:23:53,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:23:53,682 INFO L85 PathProgramCache]: Analyzing trace with hash 393243275, now seen corresponding path program 1 times [2021-12-07 01:23:53,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:23:53,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557299952] [2021-12-07 01:23:53,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:23:53,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:23:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:53,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:23:53,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:23:53,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557299952] [2021-12-07 01:23:53,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557299952] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:23:53,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:23:53,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:23:53,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384974620] [2021-12-07 01:23:53,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:23:53,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:23:53,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:23:53,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:23:53,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:23:53,771 INFO L87 Difference]: Start difference. First operand 2746 states and 3810 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:58,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:23:58,037 INFO L93 Difference]: Finished difference Result 4596 states and 6406 transitions. [2021-12-07 01:23:58,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:23:58,037 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:23:58,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:23:58,040 INFO L225 Difference]: With dead ends: 4596 [2021-12-07 01:23:58,041 INFO L226 Difference]: Without dead ends: 4394 [2021-12-07 01:23:58,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:23:58,041 INFO L933 BasicCegarLoop]: 1712 mSDtfsCounter, 9252 mSDsluCounter, 5534 mSDsCounter, 0 mSdLazyCounter, 5937 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9252 SdHoareTripleChecker+Valid, 7246 SdHoareTripleChecker+Invalid, 6265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 5937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:23:58,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9252 Valid, 7246 Invalid, 6265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 5937 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:23:58,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-12-07 01:23:59,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 2746. [2021-12-07 01:23:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2709 states have (on average 1.4056847545219637) internal successors, (3808), 2745 states have internal predecessors, (3808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:59,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3808 transitions. [2021-12-07 01:23:59,024 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3808 transitions. Word has length 132 [2021-12-07 01:23:59,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:23:59,024 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 3808 transitions. [2021-12-07 01:23:59,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:23:59,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3808 transitions. [2021-12-07 01:23:59,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:23:59,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:23:59,026 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:59,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-12-07 01:23:59,026 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:23:59,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:23:59,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1423056016, now seen corresponding path program 1 times [2021-12-07 01:23:59,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:23:59,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896737096] [2021-12-07 01:23:59,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:23:59,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:23:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:23:59,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:23:59,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896737096] [2021-12-07 01:23:59,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896737096] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:23:59,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:23:59,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:23:59,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853833466] [2021-12-07 01:23:59,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:23:59,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:23:59,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:23:59,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:23:59,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:23:59,117 INFO L87 Difference]: Start difference. First operand 2746 states and 3808 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:03,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:24:03,629 INFO L93 Difference]: Finished difference Result 4592 states and 6400 transitions. [2021-12-07 01:24:03,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:24:03,630 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:24:03,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:24:03,634 INFO L225 Difference]: With dead ends: 4592 [2021-12-07 01:24:03,634 INFO L226 Difference]: Without dead ends: 4394 [2021-12-07 01:24:03,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:24:03,635 INFO L933 BasicCegarLoop]: 1712 mSDtfsCounter, 12244 mSDsluCounter, 5534 mSDsCounter, 0 mSdLazyCounter, 5935 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12244 SdHoareTripleChecker+Valid, 7246 SdHoareTripleChecker+Invalid, 6376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 5935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:24:03,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12244 Valid, 7246 Invalid, 6376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 5935 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:24:03,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-12-07 01:24:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 2746. [2021-12-07 01:24:04,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2709 states have (on average 1.4049464747139166) internal successors, (3806), 2745 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3806 transitions. [2021-12-07 01:24:04,613 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3806 transitions. Word has length 132 [2021-12-07 01:24:04,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:24:04,613 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 3806 transitions. [2021-12-07 01:24:04,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3806 transitions. [2021-12-07 01:24:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:24:04,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:24:04,615 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:24:04,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-12-07 01:24:04,615 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:24:04,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:24:04,616 INFO L85 PathProgramCache]: Analyzing trace with hash 384591802, now seen corresponding path program 1 times [2021-12-07 01:24:04,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:24:04,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444779655] [2021-12-07 01:24:04,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:24:04,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:24:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:24:04,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:24:04,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444779655] [2021-12-07 01:24:04,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444779655] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:24:04,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:24:04,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:24:04,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187828808] [2021-12-07 01:24:04,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:24:04,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:24:04,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:24:04,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:24:04,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:24:04,704 INFO L87 Difference]: Start difference. First operand 2746 states and 3806 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:09,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:24:09,240 INFO L93 Difference]: Finished difference Result 4440 states and 6139 transitions. [2021-12-07 01:24:09,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:24:09,241 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:24:09,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:24:09,244 INFO L225 Difference]: With dead ends: 4440 [2021-12-07 01:24:09,244 INFO L226 Difference]: Without dead ends: 4254 [2021-12-07 01:24:09,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:24:09,244 INFO L933 BasicCegarLoop]: 1580 mSDtfsCounter, 9254 mSDsluCounter, 4865 mSDsCounter, 0 mSdLazyCounter, 5680 mSolverCounterSat, 636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9254 SdHoareTripleChecker+Valid, 6445 SdHoareTripleChecker+Invalid, 6316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 636 IncrementalHoareTripleChecker+Valid, 5680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:24:09,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9254 Valid, 6445 Invalid, 6316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [636 Valid, 5680 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:24:09,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-12-07 01:24:10,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2746. [2021-12-07 01:24:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2709 states have (on average 1.4042081949058693) internal successors, (3804), 2745 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3804 transitions. [2021-12-07 01:24:10,227 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3804 transitions. Word has length 132 [2021-12-07 01:24:10,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:24:10,227 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 3804 transitions. [2021-12-07 01:24:10,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3804 transitions. [2021-12-07 01:24:10,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:24:10,229 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:24:10,229 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:24:10,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-12-07 01:24:10,229 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:24:10,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:24:10,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2132452835, now seen corresponding path program 1 times [2021-12-07 01:24:10,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:24:10,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186682499] [2021-12-07 01:24:10,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:24:10,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:24:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:10,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:24:10,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:24:10,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186682499] [2021-12-07 01:24:10,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186682499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:24:10,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:24:10,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:24:10,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983368309] [2021-12-07 01:24:10,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:24:10,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:24:10,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:24:10,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:24:10,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:24:10,322 INFO L87 Difference]: Start difference. First operand 2746 states and 3804 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:14,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:24:14,965 INFO L93 Difference]: Finished difference Result 4746 states and 6627 transitions. [2021-12-07 01:24:14,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:24:14,965 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:24:14,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:24:14,969 INFO L225 Difference]: With dead ends: 4746 [2021-12-07 01:24:14,969 INFO L226 Difference]: Without dead ends: 4522 [2021-12-07 01:24:14,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:24:14,969 INFO L933 BasicCegarLoop]: 2013 mSDtfsCounter, 10651 mSDsluCounter, 6559 mSDsCounter, 0 mSdLazyCounter, 6743 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10651 SdHoareTripleChecker+Valid, 8572 SdHoareTripleChecker+Invalid, 6920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 6743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:24:14,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10651 Valid, 8572 Invalid, 6920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 6743 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 01:24:14,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2021-12-07 01:24:15,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2746. [2021-12-07 01:24:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2709 states have (on average 1.403469915097822) internal successors, (3802), 2745 states have internal predecessors, (3802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3802 transitions. [2021-12-07 01:24:15,932 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3802 transitions. Word has length 132 [2021-12-07 01:24:15,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:24:15,932 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 3802 transitions. [2021-12-07 01:24:15,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3802 transitions. [2021-12-07 01:24:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:24:15,934 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:24:15,934 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:24:15,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-12-07 01:24:15,934 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:24:15,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:24:15,935 INFO L85 PathProgramCache]: Analyzing trace with hash -277765391, now seen corresponding path program 1 times [2021-12-07 01:24:15,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:24:15,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041503935] [2021-12-07 01:24:15,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:24:15,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:24:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:24:16,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:24:16,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041503935] [2021-12-07 01:24:16,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041503935] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:24:16,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:24:16,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:24:16,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590847672] [2021-12-07 01:24:16,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:24:16,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:24:16,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:24:16,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:24:16,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:24:16,022 INFO L87 Difference]: Start difference. First operand 2746 states and 3802 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:20,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:24:20,532 INFO L93 Difference]: Finished difference Result 4596 states and 6396 transitions. [2021-12-07 01:24:20,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:24:20,532 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:24:20,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:24:20,535 INFO L225 Difference]: With dead ends: 4596 [2021-12-07 01:24:20,535 INFO L226 Difference]: Without dead ends: 4394 [2021-12-07 01:24:20,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:24:20,536 INFO L933 BasicCegarLoop]: 1781 mSDtfsCounter, 11828 mSDsluCounter, 5738 mSDsCounter, 0 mSdLazyCounter, 6190 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11828 SdHoareTripleChecker+Valid, 7519 SdHoareTripleChecker+Invalid, 6624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 6190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:24:20,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11828 Valid, 7519 Invalid, 6624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 6190 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:24:20,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-12-07 01:24:21,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 2746. [2021-12-07 01:24:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2709 states have (on average 1.4027316352897747) internal successors, (3800), 2745 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3800 transitions. [2021-12-07 01:24:21,523 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3800 transitions. Word has length 132 [2021-12-07 01:24:21,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:24:21,523 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 3800 transitions. [2021-12-07 01:24:21,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3800 transitions. [2021-12-07 01:24:21,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:24:21,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:24:21,525 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:24:21,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-12-07 01:24:21,525 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:24:21,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:24:21,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1573483419, now seen corresponding path program 1 times [2021-12-07 01:24:21,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:24:21,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936757598] [2021-12-07 01:24:21,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:24:21,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:24:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:24:21,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:24:21,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936757598] [2021-12-07 01:24:21,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936757598] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:24:21,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:24:21,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:24:21,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579436628] [2021-12-07 01:24:21,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:24:21,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:24:21,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:24:21,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:24:21,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:24:21,610 INFO L87 Difference]: Start difference. First operand 2746 states and 3800 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:25,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:24:25,938 INFO L93 Difference]: Finished difference Result 4448 states and 6142 transitions. [2021-12-07 01:24:25,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:24:25,938 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:24:25,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:24:25,943 INFO L225 Difference]: With dead ends: 4448 [2021-12-07 01:24:25,943 INFO L226 Difference]: Without dead ends: 4254 [2021-12-07 01:24:25,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:24:25,944 INFO L933 BasicCegarLoop]: 1587 mSDtfsCounter, 9235 mSDsluCounter, 4878 mSDsCounter, 0 mSdLazyCounter, 5686 mSolverCounterSat, 634 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9235 SdHoareTripleChecker+Valid, 6465 SdHoareTripleChecker+Invalid, 6320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 634 IncrementalHoareTripleChecker+Valid, 5686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:24:25,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9235 Valid, 6465 Invalid, 6320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [634 Valid, 5686 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:24:25,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-12-07 01:24:26,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2746. [2021-12-07 01:24:26,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2709 states have (on average 1.4019933554817277) internal successors, (3798), 2745 states have internal predecessors, (3798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:26,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3798 transitions. [2021-12-07 01:24:26,936 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3798 transitions. Word has length 132 [2021-12-07 01:24:26,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:24:26,936 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 3798 transitions. [2021-12-07 01:24:26,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:26,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3798 transitions. [2021-12-07 01:24:26,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:24:26,938 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:24:26,938 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:24:26,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-12-07 01:24:26,939 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:24:26,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:24:26,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1205381244, now seen corresponding path program 1 times [2021-12-07 01:24:26,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:24:26,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773565818] [2021-12-07 01:24:26,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:24:26,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:24:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:24:27,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:24:27,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773565818] [2021-12-07 01:24:27,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773565818] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:24:27,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:24:27,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:24:27,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362572345] [2021-12-07 01:24:27,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:24:27,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:24:27,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:24:27,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:24:27,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:24:27,022 INFO L87 Difference]: Start difference. First operand 2746 states and 3798 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:31,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:24:31,398 INFO L93 Difference]: Finished difference Result 4602 states and 6397 transitions. [2021-12-07 01:24:31,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:24:31,399 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:24:31,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:24:31,402 INFO L225 Difference]: With dead ends: 4602 [2021-12-07 01:24:31,402 INFO L226 Difference]: Without dead ends: 4394 [2021-12-07 01:24:31,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:24:31,403 INFO L933 BasicCegarLoop]: 1726 mSDtfsCounter, 9183 mSDsluCounter, 5571 mSDsCounter, 0 mSdLazyCounter, 5954 mSolverCounterSat, 327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9183 SdHoareTripleChecker+Valid, 7297 SdHoareTripleChecker+Invalid, 6281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 327 IncrementalHoareTripleChecker+Valid, 5954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:24:31,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9183 Valid, 7297 Invalid, 6281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [327 Valid, 5954 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:24:31,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-12-07 01:24:32,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 2746. [2021-12-07 01:24:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2709 states have (on average 1.4012550756736804) internal successors, (3796), 2745 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3796 transitions. [2021-12-07 01:24:32,399 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3796 transitions. Word has length 132 [2021-12-07 01:24:32,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:24:32,399 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 3796 transitions. [2021-12-07 01:24:32,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3796 transitions. [2021-12-07 01:24:32,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:24:32,401 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:24:32,401 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:24:32,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-12-07 01:24:32,401 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:24:32,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:24:32,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1614226472, now seen corresponding path program 1 times [2021-12-07 01:24:32,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:24:32,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919325292] [2021-12-07 01:24:32,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:24:32,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:24:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:24:32,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:24:32,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919325292] [2021-12-07 01:24:32,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919325292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:24:32,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:24:32,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:24:32,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024482123] [2021-12-07 01:24:32,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:24:32,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:24:32,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:24:32,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:24:32,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:24:32,488 INFO L87 Difference]: Start difference. First operand 2746 states and 3796 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:36,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:24:36,997 INFO L93 Difference]: Finished difference Result 4448 states and 6136 transitions. [2021-12-07 01:24:36,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:24:36,998 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:24:36,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:24:37,001 INFO L225 Difference]: With dead ends: 4448 [2021-12-07 01:24:37,001 INFO L226 Difference]: Without dead ends: 4254 [2021-12-07 01:24:37,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:24:37,002 INFO L933 BasicCegarLoop]: 1596 mSDtfsCounter, 11941 mSDsluCounter, 4908 mSDsCounter, 0 mSdLazyCounter, 5699 mSolverCounterSat, 851 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11941 SdHoareTripleChecker+Valid, 6504 SdHoareTripleChecker+Invalid, 6550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 851 IncrementalHoareTripleChecker+Valid, 5699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:24:37,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11941 Valid, 6504 Invalid, 6550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [851 Valid, 5699 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:24:37,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-12-07 01:24:38,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2746. [2021-12-07 01:24:38,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2709 states have (on average 1.400516795865633) internal successors, (3794), 2745 states have internal predecessors, (3794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:38,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3794 transitions. [2021-12-07 01:24:38,012 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3794 transitions. Word has length 132 [2021-12-07 01:24:38,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:24:38,012 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 3794 transitions. [2021-12-07 01:24:38,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:38,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3794 transitions. [2021-12-07 01:24:38,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:24:38,014 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:24:38,014 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:24:38,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-12-07 01:24:38,014 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:24:38,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:24:38,014 INFO L85 PathProgramCache]: Analyzing trace with hash -768543722, now seen corresponding path program 1 times [2021-12-07 01:24:38,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:24:38,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204102516] [2021-12-07 01:24:38,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:24:38,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:24:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:24:38,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:24:38,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204102516] [2021-12-07 01:24:38,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204102516] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:24:38,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:24:38,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:24:38,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148685668] [2021-12-07 01:24:38,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:24:38,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:24:38,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:24:38,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:24:38,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:24:38,143 INFO L87 Difference]: Start difference. First operand 2746 states and 3794 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:46,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:24:46,182 INFO L93 Difference]: Finished difference Result 6020 states and 8491 transitions. [2021-12-07 01:24:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:24:46,182 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:24:46,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:24:46,186 INFO L225 Difference]: With dead ends: 6020 [2021-12-07 01:24:46,186 INFO L226 Difference]: Without dead ends: 5778 [2021-12-07 01:24:46,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:24:46,187 INFO L933 BasicCegarLoop]: 2156 mSDtfsCounter, 14668 mSDsluCounter, 8162 mSDsCounter, 0 mSdLazyCounter, 8262 mSolverCounterSat, 1245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14668 SdHoareTripleChecker+Valid, 10318 SdHoareTripleChecker+Invalid, 9507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1245 IncrementalHoareTripleChecker+Valid, 8262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:24:46,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14668 Valid, 10318 Invalid, 9507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1245 Valid, 8262 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-07 01:24:46,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5778 states. [2021-12-07 01:24:47,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5778 to 2754. [2021-12-07 01:24:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2717 states have (on average 1.3993375046006624) internal successors, (3802), 2753 states have internal predecessors, (3802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:47,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3802 transitions. [2021-12-07 01:24:47,197 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3802 transitions. Word has length 132 [2021-12-07 01:24:47,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:24:47,197 INFO L470 AbstractCegarLoop]: Abstraction has 2754 states and 3802 transitions. [2021-12-07 01:24:47,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3802 transitions. [2021-12-07 01:24:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:24:47,198 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:24:47,199 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:24:47,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-12-07 01:24:47,199 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:24:47,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:24:47,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1500937792, now seen corresponding path program 1 times [2021-12-07 01:24:47,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:24:47,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829749608] [2021-12-07 01:24:47,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:24:47,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:24:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:24:47,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:24:47,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829749608] [2021-12-07 01:24:47,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829749608] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:24:47,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:24:47,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:24:47,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009897905] [2021-12-07 01:24:47,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:24:47,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:24:47,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:24:47,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:24:47,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:24:47,317 INFO L87 Difference]: Start difference. First operand 2754 states and 3802 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:52,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:24:52,494 INFO L93 Difference]: Finished difference Result 4746 states and 6613 transitions. [2021-12-07 01:24:52,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:24:52,494 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:24:52,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:24:52,497 INFO L225 Difference]: With dead ends: 4746 [2021-12-07 01:24:52,497 INFO L226 Difference]: Without dead ends: 4522 [2021-12-07 01:24:52,498 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:24:52,498 INFO L933 BasicCegarLoop]: 2049 mSDtfsCounter, 10561 mSDsluCounter, 8271 mSDsCounter, 0 mSdLazyCounter, 8085 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10561 SdHoareTripleChecker+Valid, 10320 SdHoareTripleChecker+Invalid, 8260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 8085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:24:52,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10561 Valid, 10320 Invalid, 8260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 8085 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-07 01:24:52,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2021-12-07 01:24:53,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2754. [2021-12-07 01:24:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2717 states have (on average 1.3986013986013985) internal successors, (3800), 2753 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:53,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3800 transitions. [2021-12-07 01:24:53,502 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3800 transitions. Word has length 132 [2021-12-07 01:24:53,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:24:53,502 INFO L470 AbstractCegarLoop]: Abstraction has 2754 states and 3800 transitions. [2021-12-07 01:24:53,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:24:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3800 transitions. [2021-12-07 01:24:53,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:24:53,504 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:24:53,504 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:24:53,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-12-07 01:24:53,504 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:24:53,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:24:53,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1226326459, now seen corresponding path program 1 times [2021-12-07 01:24:53,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:24:53,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662177648] [2021-12-07 01:24:53,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:24:53,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:24:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:24:53,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:24:53,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662177648] [2021-12-07 01:24:53,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662177648] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:24:53,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:24:53,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:24:53,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962029785] [2021-12-07 01:24:53,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:24:53,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:24:53,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:24:53,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:24:53,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:24:53,654 INFO L87 Difference]: Start difference. First operand 2754 states and 3800 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:01,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:01,737 INFO L93 Difference]: Finished difference Result 6004 states and 8467 transitions. [2021-12-07 01:25:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:25:01,738 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:25:01,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:01,742 INFO L225 Difference]: With dead ends: 6004 [2021-12-07 01:25:01,742 INFO L226 Difference]: Without dead ends: 5770 [2021-12-07 01:25:01,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:25:01,743 INFO L933 BasicCegarLoop]: 2123 mSDtfsCounter, 14745 mSDsluCounter, 8085 mSDsCounter, 0 mSdLazyCounter, 8192 mSolverCounterSat, 1254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14745 SdHoareTripleChecker+Valid, 10208 SdHoareTripleChecker+Invalid, 9446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1254 IncrementalHoareTripleChecker+Valid, 8192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:01,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14745 Valid, 10208 Invalid, 9446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1254 Valid, 8192 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-07 01:25:01,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5770 states. [2021-12-07 01:25:02,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5770 to 2762. [2021-12-07 01:25:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3974311926605505) internal successors, (3808), 2761 states have internal predecessors, (3808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:02,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3808 transitions. [2021-12-07 01:25:02,788 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3808 transitions. Word has length 132 [2021-12-07 01:25:02,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:02,788 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3808 transitions. [2021-12-07 01:25:02,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:02,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3808 transitions. [2021-12-07 01:25:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:25:02,790 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:02,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:02,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-12-07 01:25:02,790 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:25:02,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:02,791 INFO L85 PathProgramCache]: Analyzing trace with hash -517934392, now seen corresponding path program 1 times [2021-12-07 01:25:02,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:02,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576309627] [2021-12-07 01:25:02,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:02,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:02,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:02,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:02,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576309627] [2021-12-07 01:25:02,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576309627] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:02,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:02,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:25:02,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180911370] [2021-12-07 01:25:02,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:02,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:25:02,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:02,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:25:02,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:25:02,884 INFO L87 Difference]: Start difference. First operand 2762 states and 3808 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:07,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:07,428 INFO L93 Difference]: Finished difference Result 4756 states and 6618 transitions. [2021-12-07 01:25:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:25:07,428 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:25:07,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:07,431 INFO L225 Difference]: With dead ends: 4756 [2021-12-07 01:25:07,431 INFO L226 Difference]: Without dead ends: 4522 [2021-12-07 01:25:07,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:25:07,432 INFO L933 BasicCegarLoop]: 1909 mSDtfsCounter, 11157 mSDsluCounter, 6302 mSDsCounter, 0 mSdLazyCounter, 6418 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11157 SdHoareTripleChecker+Valid, 8211 SdHoareTripleChecker+Invalid, 6597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 6418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:07,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11157 Valid, 8211 Invalid, 6597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 6418 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:25:07,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2021-12-07 01:25:08,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2762. [2021-12-07 01:25:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3966972477064221) internal successors, (3806), 2761 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:08,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3806 transitions. [2021-12-07 01:25:08,480 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3806 transitions. Word has length 132 [2021-12-07 01:25:08,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:08,480 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3806 transitions. [2021-12-07 01:25:08,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3806 transitions. [2021-12-07 01:25:08,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:25:08,481 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:08,482 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:08,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-12-07 01:25:08,482 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:25:08,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:08,482 INFO L85 PathProgramCache]: Analyzing trace with hash -884238219, now seen corresponding path program 1 times [2021-12-07 01:25:08,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:08,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293745810] [2021-12-07 01:25:08,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:08,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:08,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:08,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293745810] [2021-12-07 01:25:08,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293745810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:08,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:08,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:25:08,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806810903] [2021-12-07 01:25:08,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:08,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:25:08,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:08,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:25:08,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:25:08,568 INFO L87 Difference]: Start difference. First operand 2762 states and 3806 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:13,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:13,010 INFO L93 Difference]: Finished difference Result 4612 states and 6396 transitions. [2021-12-07 01:25:13,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:25:13,011 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:25:13,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:13,014 INFO L225 Difference]: With dead ends: 4612 [2021-12-07 01:25:13,014 INFO L226 Difference]: Without dead ends: 4410 [2021-12-07 01:25:13,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:25:13,015 INFO L933 BasicCegarLoop]: 1760 mSDtfsCounter, 7317 mSDsluCounter, 5677 mSDsCounter, 0 mSdLazyCounter, 6039 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7317 SdHoareTripleChecker+Valid, 7437 SdHoareTripleChecker+Invalid, 6318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 6039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:13,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7317 Valid, 7437 Invalid, 6318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 6039 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:25:13,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2021-12-07 01:25:14,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 2762. [2021-12-07 01:25:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3959633027522935) internal successors, (3804), 2761 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3804 transitions. [2021-12-07 01:25:14,064 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3804 transitions. Word has length 132 [2021-12-07 01:25:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:14,064 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3804 transitions. [2021-12-07 01:25:14,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3804 transitions. [2021-12-07 01:25:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:25:14,066 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:14,066 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:14,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-12-07 01:25:14,066 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:25:14,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:14,066 INFO L85 PathProgramCache]: Analyzing trace with hash 2045218450, now seen corresponding path program 1 times [2021-12-07 01:25:14,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:14,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577806539] [2021-12-07 01:25:14,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:14,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:14,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:14,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577806539] [2021-12-07 01:25:14,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577806539] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:14,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:14,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:25:14,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793645457] [2021-12-07 01:25:14,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:14,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:25:14,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:14,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:25:14,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:25:14,159 INFO L87 Difference]: Start difference. First operand 2762 states and 3804 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:19,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:19,164 INFO L93 Difference]: Finished difference Result 4910 states and 6821 transitions. [2021-12-07 01:25:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:25:19,165 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:25:19,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:19,168 INFO L225 Difference]: With dead ends: 4910 [2021-12-07 01:25:19,168 INFO L226 Difference]: Without dead ends: 4610 [2021-12-07 01:25:19,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:25:19,169 INFO L933 BasicCegarLoop]: 2043 mSDtfsCounter, 10730 mSDsluCounter, 8308 mSDsCounter, 0 mSdLazyCounter, 8018 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10730 SdHoareTripleChecker+Valid, 10351 SdHoareTripleChecker+Invalid, 8115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 8018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:19,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10730 Valid, 10351 Invalid, 8115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 8018 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-07 01:25:19,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4610 states. [2021-12-07 01:25:20,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4610 to 2762. [2021-12-07 01:25:20,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3952293577981651) internal successors, (3802), 2761 states have internal predecessors, (3802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:20,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3802 transitions. [2021-12-07 01:25:20,235 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3802 transitions. Word has length 132 [2021-12-07 01:25:20,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:20,235 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3802 transitions. [2021-12-07 01:25:20,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3802 transitions. [2021-12-07 01:25:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:25:20,237 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:20,237 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:20,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-12-07 01:25:20,237 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:25:20,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:20,237 INFO L85 PathProgramCache]: Analyzing trace with hash -369105939, now seen corresponding path program 1 times [2021-12-07 01:25:20,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:20,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192732027] [2021-12-07 01:25:20,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:20,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:20,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:20,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:20,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192732027] [2021-12-07 01:25:20,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192732027] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:20,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:20,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:25:20,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282241288] [2021-12-07 01:25:20,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:20,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:25:20,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:20,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:25:20,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:25:20,320 INFO L87 Difference]: Start difference. First operand 2762 states and 3802 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:24,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:24,805 INFO L93 Difference]: Finished difference Result 4620 states and 6400 transitions. [2021-12-07 01:25:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:25:24,805 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:25:24,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:24,809 INFO L225 Difference]: With dead ends: 4620 [2021-12-07 01:25:24,809 INFO L226 Difference]: Without dead ends: 4410 [2021-12-07 01:25:24,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:25:24,809 INFO L933 BasicCegarLoop]: 1760 mSDtfsCounter, 11955 mSDsluCounter, 5666 mSDsCounter, 0 mSdLazyCounter, 6030 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11955 SdHoareTripleChecker+Valid, 7426 SdHoareTripleChecker+Invalid, 6462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 6030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:24,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11955 Valid, 7426 Invalid, 6462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 6030 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:25:24,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2021-12-07 01:25:25,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 2762. [2021-12-07 01:25:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3944954128440368) internal successors, (3800), 2761 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3800 transitions. [2021-12-07 01:25:25,873 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3800 transitions. Word has length 132 [2021-12-07 01:25:25,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:25,873 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3800 transitions. [2021-12-07 01:25:25,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3800 transitions. [2021-12-07 01:25:25,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:25:25,875 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:25,875 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:25,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-12-07 01:25:25,875 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:25:25,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:25,875 INFO L85 PathProgramCache]: Analyzing trace with hash -839027411, now seen corresponding path program 1 times [2021-12-07 01:25:25,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:25,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829559877] [2021-12-07 01:25:25,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:25,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:25,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:25,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:25,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829559877] [2021-12-07 01:25:25,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829559877] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:25,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:25,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:25:25,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205179454] [2021-12-07 01:25:25,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:25,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:25:25,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:25,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:25:25,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:25:25,957 INFO L87 Difference]: Start difference. First operand 2762 states and 3800 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:30,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:30,556 INFO L93 Difference]: Finished difference Result 5078 states and 7037 transitions. [2021-12-07 01:25:30,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:25:30,557 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-07 01:25:30,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:30,560 INFO L225 Difference]: With dead ends: 5078 [2021-12-07 01:25:30,560 INFO L226 Difference]: Without dead ends: 4638 [2021-12-07 01:25:30,560 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:25:30,561 INFO L933 BasicCegarLoop]: 2245 mSDtfsCounter, 8280 mSDsluCounter, 6873 mSDsCounter, 0 mSdLazyCounter, 7066 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8280 SdHoareTripleChecker+Valid, 9118 SdHoareTripleChecker+Invalid, 7114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 7066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:30,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8280 Valid, 9118 Invalid, 7114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 7066 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:25:30,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4638 states. [2021-12-07 01:25:31,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4638 to 2762. [2021-12-07 01:25:31,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3937614678899082) internal successors, (3798), 2761 states have internal predecessors, (3798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3798 transitions. [2021-12-07 01:25:31,629 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3798 transitions. Word has length 132 [2021-12-07 01:25:31,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:31,630 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3798 transitions. [2021-12-07 01:25:31,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3798 transitions. [2021-12-07 01:25:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:25:31,631 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:31,631 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:31,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-12-07 01:25:31,632 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:25:31,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:31,632 INFO L85 PathProgramCache]: Analyzing trace with hash -628982034, now seen corresponding path program 1 times [2021-12-07 01:25:31,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:31,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741053631] [2021-12-07 01:25:31,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:31,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:31,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:31,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:31,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741053631] [2021-12-07 01:25:31,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741053631] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:31,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:31,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:25:31,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557996278] [2021-12-07 01:25:31,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:31,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:25:31,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:31,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:25:31,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:25:31,718 INFO L87 Difference]: Start difference. First operand 2762 states and 3798 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:36,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:36,361 INFO L93 Difference]: Finished difference Result 4457 states and 6130 transitions. [2021-12-07 01:25:36,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:25:36,361 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:25:36,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:36,364 INFO L225 Difference]: With dead ends: 4457 [2021-12-07 01:25:36,364 INFO L226 Difference]: Without dead ends: 4270 [2021-12-07 01:25:36,365 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:25:36,365 INFO L933 BasicCegarLoop]: 1614 mSDtfsCounter, 11820 mSDsluCounter, 4963 mSDsCounter, 0 mSdLazyCounter, 5727 mSolverCounterSat, 845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11820 SdHoareTripleChecker+Valid, 6577 SdHoareTripleChecker+Invalid, 6572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 5727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:36,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11820 Valid, 6577 Invalid, 6572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 5727 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:25:36,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4270 states. [2021-12-07 01:25:37,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4270 to 2762. [2021-12-07 01:25:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.393394495412844) internal successors, (3797), 2761 states have internal predecessors, (3797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3797 transitions. [2021-12-07 01:25:37,438 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3797 transitions. Word has length 133 [2021-12-07 01:25:37,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:37,438 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3797 transitions. [2021-12-07 01:25:37,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3797 transitions. [2021-12-07 01:25:37,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:25:37,440 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:37,440 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:37,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-12-07 01:25:37,440 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:25:37,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:37,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1554110209, now seen corresponding path program 1 times [2021-12-07 01:25:37,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:37,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300915030] [2021-12-07 01:25:37,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:37,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:37,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:37,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300915030] [2021-12-07 01:25:37,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300915030] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:37,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:37,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:25:37,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51461186] [2021-12-07 01:25:37,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:37,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:25:37,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:37,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:25:37,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:25:37,529 INFO L87 Difference]: Start difference. First operand 2762 states and 3797 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:42,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:42,103 INFO L93 Difference]: Finished difference Result 4456 states and 6127 transitions. [2021-12-07 01:25:42,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:25:42,104 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:25:42,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:42,107 INFO L225 Difference]: With dead ends: 4456 [2021-12-07 01:25:42,107 INFO L226 Difference]: Without dead ends: 4270 [2021-12-07 01:25:42,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:25:42,108 INFO L933 BasicCegarLoop]: 1614 mSDtfsCounter, 6383 mSDsluCounter, 4963 mSDsCounter, 0 mSdLazyCounter, 5722 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6383 SdHoareTripleChecker+Valid, 6577 SdHoareTripleChecker+Invalid, 6132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 5722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:42,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6383 Valid, 6577 Invalid, 6132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [410 Valid, 5722 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:25:42,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4270 states. [2021-12-07 01:25:43,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4270 to 2762. [2021-12-07 01:25:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3930275229357798) internal successors, (3796), 2761 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:43,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3796 transitions. [2021-12-07 01:25:43,181 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3796 transitions. Word has length 133 [2021-12-07 01:25:43,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:43,181 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3796 transitions. [2021-12-07 01:25:43,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:43,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3796 transitions. [2021-12-07 01:25:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:25:43,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:43,183 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:43,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-12-07 01:25:43,184 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:25:43,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:43,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1892448924, now seen corresponding path program 1 times [2021-12-07 01:25:43,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:43,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286636842] [2021-12-07 01:25:43,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:43,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:43,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:43,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286636842] [2021-12-07 01:25:43,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286636842] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:43,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:43,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:25:43,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585687089] [2021-12-07 01:25:43,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:43,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:25:43,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:43,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:25:43,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:25:43,282 INFO L87 Difference]: Start difference. First operand 2762 states and 3796 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:48,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:48,107 INFO L93 Difference]: Finished difference Result 4602 states and 6372 transitions. [2021-12-07 01:25:48,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:25:48,108 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:25:48,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:48,111 INFO L225 Difference]: With dead ends: 4602 [2021-12-07 01:25:48,111 INFO L226 Difference]: Without dead ends: 4410 [2021-12-07 01:25:48,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:25:48,112 INFO L933 BasicCegarLoop]: 1759 mSDtfsCounter, 11914 mSDsluCounter, 5680 mSDsCounter, 0 mSdLazyCounter, 6024 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11914 SdHoareTripleChecker+Valid, 7439 SdHoareTripleChecker+Invalid, 6456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 6024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:48,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11914 Valid, 7439 Invalid, 6456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 6024 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:25:48,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2021-12-07 01:25:49,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 2762. [2021-12-07 01:25:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3926605504587155) internal successors, (3795), 2761 states have internal predecessors, (3795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:49,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3795 transitions. [2021-12-07 01:25:49,220 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3795 transitions. Word has length 133 [2021-12-07 01:25:49,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:49,220 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3795 transitions. [2021-12-07 01:25:49,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:49,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3795 transitions. [2021-12-07 01:25:49,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:25:49,222 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:49,222 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:49,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-12-07 01:25:49,222 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:25:49,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:49,222 INFO L85 PathProgramCache]: Analyzing trace with hash -886263646, now seen corresponding path program 1 times [2021-12-07 01:25:49,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:49,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80126848] [2021-12-07 01:25:49,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:49,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:49,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:49,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80126848] [2021-12-07 01:25:49,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80126848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:49,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:49,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:25:49,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678290126] [2021-12-07 01:25:49,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:49,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:25:49,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:49,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:25:49,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:25:49,351 INFO L87 Difference]: Start difference. First operand 2762 states and 3795 transitions. Second operand has 12 states, 12 states have (on average 11.083333333333334) internal successors, (133), 11 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:58,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:58,184 INFO L93 Difference]: Finished difference Result 5942 states and 8371 transitions. [2021-12-07 01:25:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 01:25:58,184 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.083333333333334) internal successors, (133), 11 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:25:58,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:58,188 INFO L225 Difference]: With dead ends: 5942 [2021-12-07 01:25:58,188 INFO L226 Difference]: Without dead ends: 5739 [2021-12-07 01:25:58,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 01:25:58,189 INFO L933 BasicCegarLoop]: 2148 mSDtfsCounter, 14511 mSDsluCounter, 9608 mSDsCounter, 0 mSdLazyCounter, 9333 mSolverCounterSat, 1211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14511 SdHoareTripleChecker+Valid, 11756 SdHoareTripleChecker+Invalid, 10544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1211 IncrementalHoareTripleChecker+Valid, 9333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:58,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14511 Valid, 11756 Invalid, 10544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1211 Valid, 9333 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-07 01:25:58,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5739 states. [2021-12-07 01:25:59,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5739 to 2766. [2021-12-07 01:25:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2729 states have (on average 1.3920850128252107) internal successors, (3799), 2765 states have internal predecessors, (3799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:59,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3799 transitions. [2021-12-07 01:25:59,306 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3799 transitions. Word has length 133 [2021-12-07 01:25:59,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:59,306 INFO L470 AbstractCegarLoop]: Abstraction has 2766 states and 3799 transitions. [2021-12-07 01:25:59,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.083333333333334) internal successors, (133), 11 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3799 transitions. [2021-12-07 01:25:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:25:59,308 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:59,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:59,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-12-07 01:25:59,308 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:25:59,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:59,309 INFO L85 PathProgramCache]: Analyzing trace with hash 673004006, now seen corresponding path program 1 times [2021-12-07 01:25:59,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:59,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722806233] [2021-12-07 01:25:59,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:59,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:59,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:59,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722806233] [2021-12-07 01:25:59,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722806233] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:59,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:59,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:25:59,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989568181] [2021-12-07 01:25:59,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:59,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:25:59,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:59,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:25:59,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:25:59,391 INFO L87 Difference]: Start difference. First operand 2766 states and 3799 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:04,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:04,027 INFO L93 Difference]: Finished difference Result 4733 states and 6570 transitions. [2021-12-07 01:26:04,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:26:04,027 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:26:04,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:04,030 INFO L225 Difference]: With dead ends: 4733 [2021-12-07 01:26:04,031 INFO L226 Difference]: Without dead ends: 4522 [2021-12-07 01:26:04,031 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:26:04,031 INFO L933 BasicCegarLoop]: 2095 mSDtfsCounter, 10983 mSDsluCounter, 6681 mSDsCounter, 0 mSdLazyCounter, 6865 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10983 SdHoareTripleChecker+Valid, 8776 SdHoareTripleChecker+Invalid, 7074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 6865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:04,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10983 Valid, 8776 Invalid, 7074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 6865 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:26:04,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2021-12-07 01:26:05,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2762. [2021-12-07 01:26:05,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3922935779816514) internal successors, (3794), 2761 states have internal predecessors, (3794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3794 transitions. [2021-12-07 01:26:05,130 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3794 transitions. Word has length 133 [2021-12-07 01:26:05,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:05,130 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3794 transitions. [2021-12-07 01:26:05,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3794 transitions. [2021-12-07 01:26:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:26:05,132 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:05,132 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:05,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-12-07 01:26:05,132 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:26:05,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:05,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1550138053, now seen corresponding path program 1 times [2021-12-07 01:26:05,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:05,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720894064] [2021-12-07 01:26:05,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:05,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:05,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:05,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:05,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720894064] [2021-12-07 01:26:05,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720894064] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:05,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:05,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:26:05,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637641702] [2021-12-07 01:26:05,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:05,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:26:05,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:05,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:26:05,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:26:05,221 INFO L87 Difference]: Start difference. First operand 2762 states and 3794 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:10,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:10,127 INFO L93 Difference]: Finished difference Result 4602 states and 6370 transitions. [2021-12-07 01:26:10,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:26:10,127 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:26:10,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:10,130 INFO L225 Difference]: With dead ends: 4602 [2021-12-07 01:26:10,130 INFO L226 Difference]: Without dead ends: 4410 [2021-12-07 01:26:10,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:26:10,131 INFO L933 BasicCegarLoop]: 1776 mSDtfsCounter, 11811 mSDsluCounter, 5731 mSDsCounter, 0 mSdLazyCounter, 6076 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11811 SdHoareTripleChecker+Valid, 7507 SdHoareTripleChecker+Invalid, 6505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 6076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:10,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11811 Valid, 7507 Invalid, 6505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 6076 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:26:10,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2021-12-07 01:26:11,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 2762. [2021-12-07 01:26:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3919266055045871) internal successors, (3793), 2761 states have internal predecessors, (3793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3793 transitions. [2021-12-07 01:26:11,254 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3793 transitions. Word has length 133 [2021-12-07 01:26:11,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:11,254 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3793 transitions. [2021-12-07 01:26:11,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3793 transitions. [2021-12-07 01:26:11,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:26:11,256 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:11,256 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:11,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-12-07 01:26:11,256 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:26:11,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:11,257 INFO L85 PathProgramCache]: Analyzing trace with hash -530695439, now seen corresponding path program 1 times [2021-12-07 01:26:11,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:11,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861579412] [2021-12-07 01:26:11,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:11,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:11,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:11,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:11,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861579412] [2021-12-07 01:26:11,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861579412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:11,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:11,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:26:11,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229349991] [2021-12-07 01:26:11,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:11,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:26:11,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:11,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:26:11,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:26:11,344 INFO L87 Difference]: Start difference. First operand 2762 states and 3793 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:16,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:16,190 INFO L93 Difference]: Finished difference Result 4602 states and 6369 transitions. [2021-12-07 01:26:16,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:26:16,191 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:26:16,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:16,194 INFO L225 Difference]: With dead ends: 4602 [2021-12-07 01:26:16,194 INFO L226 Difference]: Without dead ends: 4410 [2021-12-07 01:26:16,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:26:16,194 INFO L933 BasicCegarLoop]: 1848 mSDtfsCounter, 11441 mSDsluCounter, 5940 mSDsCounter, 0 mSdLazyCounter, 6286 mSolverCounterSat, 425 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11441 SdHoareTripleChecker+Valid, 7788 SdHoareTripleChecker+Invalid, 6711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 425 IncrementalHoareTripleChecker+Valid, 6286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:16,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11441 Valid, 7788 Invalid, 6711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [425 Valid, 6286 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:26:16,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2021-12-07 01:26:17,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 2762. [2021-12-07 01:26:17,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3915596330275228) internal successors, (3792), 2761 states have internal predecessors, (3792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:17,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3792 transitions. [2021-12-07 01:26:17,309 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3792 transitions. Word has length 133 [2021-12-07 01:26:17,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:17,310 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3792 transitions. [2021-12-07 01:26:17,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:17,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3792 transitions. [2021-12-07 01:26:17,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:26:17,311 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:17,311 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:17,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-12-07 01:26:17,312 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:26:17,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:17,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1657087307, now seen corresponding path program 1 times [2021-12-07 01:26:17,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:17,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297398865] [2021-12-07 01:26:17,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:17,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:17,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:17,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:17,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297398865] [2021-12-07 01:26:17,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297398865] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:17,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:17,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:26:17,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234875026] [2021-12-07 01:26:17,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:17,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:26:17,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:17,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:26:17,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:26:17,402 INFO L87 Difference]: Start difference. First operand 2762 states and 3792 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:22,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:22,051 INFO L93 Difference]: Finished difference Result 4602 states and 6368 transitions. [2021-12-07 01:26:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:26:22,051 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:26:22,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:22,054 INFO L225 Difference]: With dead ends: 4602 [2021-12-07 01:26:22,055 INFO L226 Difference]: Without dead ends: 4410 [2021-12-07 01:26:22,055 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:26:22,055 INFO L933 BasicCegarLoop]: 1853 mSDtfsCounter, 8810 mSDsluCounter, 5862 mSDsCounter, 0 mSdLazyCounter, 6248 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8810 SdHoareTripleChecker+Valid, 7715 SdHoareTripleChecker+Invalid, 6566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 6248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:22,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8810 Valid, 7715 Invalid, 6566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 6248 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:26:22,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2021-12-07 01:26:23,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 2762. [2021-12-07 01:26:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3911926605504588) internal successors, (3791), 2761 states have internal predecessors, (3791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3791 transitions. [2021-12-07 01:26:23,167 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3791 transitions. Word has length 133 [2021-12-07 01:26:23,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:23,167 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3791 transitions. [2021-12-07 01:26:23,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3791 transitions. [2021-12-07 01:26:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:26:23,169 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:23,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:23,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-12-07 01:26:23,169 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:26:23,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:23,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1095824762, now seen corresponding path program 1 times [2021-12-07 01:26:23,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:23,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947448845] [2021-12-07 01:26:23,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:23,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:23,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:23,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947448845] [2021-12-07 01:26:23,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947448845] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:23,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:23,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:26:23,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700960921] [2021-12-07 01:26:23,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:23,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:26:23,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:23,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:26:23,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:26:23,267 INFO L87 Difference]: Start difference. First operand 2762 states and 3791 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:27,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:27,918 INFO L93 Difference]: Finished difference Result 4602 states and 6366 transitions. [2021-12-07 01:26:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:26:27,918 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:26:27,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:27,921 INFO L225 Difference]: With dead ends: 4602 [2021-12-07 01:26:27,921 INFO L226 Difference]: Without dead ends: 4410 [2021-12-07 01:26:27,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:26:27,922 INFO L933 BasicCegarLoop]: 1776 mSDtfsCounter, 8937 mSDsluCounter, 5731 mSDsCounter, 0 mSdLazyCounter, 6059 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8937 SdHoareTripleChecker+Valid, 7507 SdHoareTripleChecker+Invalid, 6380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 6059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:27,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8937 Valid, 7507 Invalid, 6380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 6059 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-07 01:26:27,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2021-12-07 01:26:29,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 2762. [2021-12-07 01:26:29,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3908256880733945) internal successors, (3790), 2761 states have internal predecessors, (3790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:29,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3790 transitions. [2021-12-07 01:26:29,056 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3790 transitions. Word has length 133 [2021-12-07 01:26:29,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:29,056 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3790 transitions. [2021-12-07 01:26:29,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:29,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3790 transitions. [2021-12-07 01:26:29,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:26:29,058 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:29,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:29,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-12-07 01:26:29,058 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:26:29,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:29,058 INFO L85 PathProgramCache]: Analyzing trace with hash -83861831, now seen corresponding path program 1 times [2021-12-07 01:26:29,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:29,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092539582] [2021-12-07 01:26:29,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:29,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:29,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:29,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092539582] [2021-12-07 01:26:29,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092539582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:29,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:29,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:26:29,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738188976] [2021-12-07 01:26:29,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:29,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:26:29,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:29,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:26:29,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:26:29,151 INFO L87 Difference]: Start difference. First operand 2762 states and 3790 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:33,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:33,954 INFO L93 Difference]: Finished difference Result 4602 states and 6365 transitions. [2021-12-07 01:26:33,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:26:33,954 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:26:33,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:33,957 INFO L225 Difference]: With dead ends: 4602 [2021-12-07 01:26:33,957 INFO L226 Difference]: Without dead ends: 4410 [2021-12-07 01:26:33,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:26:33,958 INFO L933 BasicCegarLoop]: 1777 mSDtfsCounter, 11802 mSDsluCounter, 5729 mSDsCounter, 0 mSdLazyCounter, 6048 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11802 SdHoareTripleChecker+Valid, 7506 SdHoareTripleChecker+Invalid, 6477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 6048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:33,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11802 Valid, 7506 Invalid, 6477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 6048 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:26:33,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2021-12-07 01:26:35,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 2762. [2021-12-07 01:26:35,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.3904587155963304) internal successors, (3789), 2761 states have internal predecessors, (3789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:35,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3789 transitions. [2021-12-07 01:26:35,080 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3789 transitions. Word has length 133 [2021-12-07 01:26:35,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:35,080 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 3789 transitions. [2021-12-07 01:26:35,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:35,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3789 transitions. [2021-12-07 01:26:35,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:26:35,081 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:35,082 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:35,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-12-07 01:26:35,082 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:26:35,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:35,082 INFO L85 PathProgramCache]: Analyzing trace with hash -435862368, now seen corresponding path program 1 times [2021-12-07 01:26:35,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:35,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396229611] [2021-12-07 01:26:35,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:35,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:35,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:35,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396229611] [2021-12-07 01:26:35,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396229611] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:35,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:35,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:26:35,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256940485] [2021-12-07 01:26:35,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:35,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:26:35,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:35,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:26:35,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:26:35,165 INFO L87 Difference]: Start difference. First operand 2762 states and 3789 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:40,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:40,087 INFO L93 Difference]: Finished difference Result 4733 states and 6563 transitions. [2021-12-07 01:26:40,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:26:40,088 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:26:40,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:40,091 INFO L225 Difference]: With dead ends: 4733 [2021-12-07 01:26:40,091 INFO L226 Difference]: Without dead ends: 4522 [2021-12-07 01:26:40,091 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:26:40,092 INFO L933 BasicCegarLoop]: 2114 mSDtfsCounter, 6858 mSDsluCounter, 6732 mSDsCounter, 0 mSdLazyCounter, 6894 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6858 SdHoareTripleChecker+Valid, 8846 SdHoareTripleChecker+Invalid, 7034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 6894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:40,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6858 Valid, 8846 Invalid, 7034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 6894 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:26:40,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2021-12-07 01:26:41,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 2758. [2021-12-07 01:26:41,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 2721 states have (on average 1.39066519661889) internal successors, (3784), 2757 states have internal predecessors, (3784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:41,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 3784 transitions. [2021-12-07 01:26:41,228 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 3784 transitions. Word has length 133 [2021-12-07 01:26:41,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:41,228 INFO L470 AbstractCegarLoop]: Abstraction has 2758 states and 3784 transitions. [2021-12-07 01:26:41,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3784 transitions. [2021-12-07 01:26:41,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:26:41,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:41,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:41,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-12-07 01:26:41,230 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:26:41,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:41,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1825938914, now seen corresponding path program 1 times [2021-12-07 01:26:41,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:41,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227352477] [2021-12-07 01:26:41,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:41,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:41,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:41,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227352477] [2021-12-07 01:26:41,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227352477] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:41,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:41,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:26:41,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441344200] [2021-12-07 01:26:41,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:41,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:26:41,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:41,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:26:41,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:26:41,315 INFO L87 Difference]: Start difference. First operand 2758 states and 3784 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:46,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:46,259 INFO L93 Difference]: Finished difference Result 4600 states and 6361 transitions. [2021-12-07 01:26:46,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:26:46,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:26:46,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:46,263 INFO L225 Difference]: With dead ends: 4600 [2021-12-07 01:26:46,263 INFO L226 Difference]: Without dead ends: 4406 [2021-12-07 01:26:46,263 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:26:46,263 INFO L933 BasicCegarLoop]: 1878 mSDtfsCounter, 8711 mSDsluCounter, 5935 mSDsCounter, 0 mSdLazyCounter, 6302 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8711 SdHoareTripleChecker+Valid, 7813 SdHoareTripleChecker+Invalid, 6619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 6302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:46,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8711 Valid, 7813 Invalid, 6619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 6302 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:26:46,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2021-12-07 01:26:47,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 2754. [2021-12-07 01:26:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2717 states have (on average 1.3908722856091278) internal successors, (3779), 2753 states have internal predecessors, (3779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:47,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3779 transitions. [2021-12-07 01:26:47,378 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3779 transitions. Word has length 133 [2021-12-07 01:26:47,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:47,379 INFO L470 AbstractCegarLoop]: Abstraction has 2754 states and 3779 transitions. [2021-12-07 01:26:47,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3779 transitions. [2021-12-07 01:26:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:26:47,380 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:47,380 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:47,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-12-07 01:26:47,381 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:26:47,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:47,381 INFO L85 PathProgramCache]: Analyzing trace with hash 196811232, now seen corresponding path program 1 times [2021-12-07 01:26:47,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:47,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993416130] [2021-12-07 01:26:47,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:47,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:47,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:47,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993416130] [2021-12-07 01:26:47,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993416130] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:47,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:47,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:26:47,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768575132] [2021-12-07 01:26:47,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:47,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:26:47,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:47,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:26:47,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:26:47,474 INFO L87 Difference]: Start difference. First operand 2754 states and 3779 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:52,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:52,418 INFO L93 Difference]: Finished difference Result 4598 states and 6358 transitions. [2021-12-07 01:26:52,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:26:52,418 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:26:52,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:52,421 INFO L225 Difference]: With dead ends: 4598 [2021-12-07 01:26:52,421 INFO L226 Difference]: Without dead ends: 4406 [2021-12-07 01:26:52,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:26:52,422 INFO L933 BasicCegarLoop]: 1802 mSDtfsCounter, 11662 mSDsluCounter, 5804 mSDsCounter, 0 mSdLazyCounter, 6108 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11662 SdHoareTripleChecker+Valid, 7606 SdHoareTripleChecker+Invalid, 6534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 6108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:52,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11662 Valid, 7606 Invalid, 6534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 6108 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 01:26:52,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2021-12-07 01:26:53,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 2754. [2021-12-07 01:26:53,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2717 states have (on average 1.3905042326094958) internal successors, (3778), 2753 states have internal predecessors, (3778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:53,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3778 transitions. [2021-12-07 01:26:53,556 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3778 transitions. Word has length 133 [2021-12-07 01:26:53,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:53,556 INFO L470 AbstractCegarLoop]: Abstraction has 2754 states and 3778 transitions. [2021-12-07 01:26:53,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:53,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3778 transitions. [2021-12-07 01:26:53,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:26:53,558 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:53,558 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:53,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-12-07 01:26:53,558 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:26:53,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:53,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1001697728, now seen corresponding path program 1 times [2021-12-07 01:26:53,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:53,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799648603] [2021-12-07 01:26:53,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:53,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:53,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:53,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:53,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799648603] [2021-12-07 01:26:53,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799648603] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:53,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:53,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:26:53,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313765276] [2021-12-07 01:26:53,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:53,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:26:53,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:53,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:26:53,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:26:53,646 INFO L87 Difference]: Start difference. First operand 2754 states and 3778 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:58,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:58,549 INFO L93 Difference]: Finished difference Result 4604 states and 6366 transitions. [2021-12-07 01:26:58,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:26:58,549 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:26:58,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:58,552 INFO L225 Difference]: With dead ends: 4604 [2021-12-07 01:26:58,552 INFO L226 Difference]: Without dead ends: 4406 [2021-12-07 01:26:58,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:26:58,553 INFO L933 BasicCegarLoop]: 1801 mSDtfsCounter, 11651 mSDsluCounter, 5806 mSDsCounter, 0 mSdLazyCounter, 6111 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11651 SdHoareTripleChecker+Valid, 7607 SdHoareTripleChecker+Invalid, 6537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 6111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:58,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11651 Valid, 7607 Invalid, 6537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 6111 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:26:58,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2021-12-07 01:26:59,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 2754. [2021-12-07 01:26:59,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2717 states have (on average 1.389768126610232) internal successors, (3776), 2753 states have internal predecessors, (3776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3776 transitions. [2021-12-07 01:26:59,712 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3776 transitions. Word has length 133 [2021-12-07 01:26:59,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:59,712 INFO L470 AbstractCegarLoop]: Abstraction has 2754 states and 3776 transitions. [2021-12-07 01:26:59,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:59,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3776 transitions. [2021-12-07 01:26:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:26:59,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:59,714 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:59,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-12-07 01:26:59,714 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:26:59,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:59,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1164088689, now seen corresponding path program 1 times [2021-12-07 01:26:59,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:59,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026658200] [2021-12-07 01:26:59,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:59,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:59,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:59,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:59,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026658200] [2021-12-07 01:26:59,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026658200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:59,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:59,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:26:59,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267948174] [2021-12-07 01:26:59,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:59,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:26:59,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:59,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:26:59,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:26:59,804 INFO L87 Difference]: Start difference. First operand 2754 states and 3776 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:27:04,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:27:04,836 INFO L93 Difference]: Finished difference Result 4604 states and 6364 transitions. [2021-12-07 01:27:04,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:27:04,837 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:27:04,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:27:04,840 INFO L225 Difference]: With dead ends: 4604 [2021-12-07 01:27:04,840 INFO L226 Difference]: Without dead ends: 4406 [2021-12-07 01:27:04,841 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:27:04,841 INFO L933 BasicCegarLoop]: 1883 mSDtfsCounter, 8681 mSDsluCounter, 5952 mSDsCounter, 0 mSdLazyCounter, 6308 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8681 SdHoareTripleChecker+Valid, 7835 SdHoareTripleChecker+Invalid, 6626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 6308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:27:04,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8681 Valid, 7835 Invalid, 6626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 6308 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:27:04,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2021-12-07 01:27:05,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 2746. [2021-12-07 01:27:05,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2709 states have (on average 1.3901808785529717) internal successors, (3766), 2745 states have internal predecessors, (3766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:27:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3766 transitions. [2021-12-07 01:27:05,997 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3766 transitions. Word has length 133 [2021-12-07 01:27:05,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:27:05,997 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 3766 transitions. [2021-12-07 01:27:05,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:27:05,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3766 transitions. [2021-12-07 01:27:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:27:05,999 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:27:05,999 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:27:05,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-12-07 01:27:05,999 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:27:05,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:27:05,999 INFO L85 PathProgramCache]: Analyzing trace with hash 430334525, now seen corresponding path program 1 times [2021-12-07 01:27:05,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:27:05,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956653389] [2021-12-07 01:27:05,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:27:05,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:27:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:27:06,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:27:06,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956653389] [2021-12-07 01:27:06,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956653389] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:27:06,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:27:06,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:27:06,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323838709] [2021-12-07 01:27:06,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:27:06,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:27:06,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:27:06,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:27:06,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:27:06,090 INFO L87 Difference]: Start difference. First operand 2746 states and 3766 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:27:11,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:27:11,073 INFO L93 Difference]: Finished difference Result 4610 states and 6367 transitions. [2021-12-07 01:27:11,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:27:11,073 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-07 01:27:11,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:27:11,076 INFO L225 Difference]: With dead ends: 4610 [2021-12-07 01:27:11,076 INFO L226 Difference]: Without dead ends: 4406 [2021-12-07 01:27:11,077 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:27:11,077 INFO L933 BasicCegarLoop]: 1891 mSDtfsCounter, 8657 mSDsluCounter, 5970 mSDsCounter, 0 mSdLazyCounter, 6320 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8657 SdHoareTripleChecker+Valid, 7861 SdHoareTripleChecker+Invalid, 6637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 6320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:27:11,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8657 Valid, 7861 Invalid, 6637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 6320 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-07 01:27:11,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2021-12-07 01:27:12,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 2738. [2021-12-07 01:27:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 2701 states have (on average 1.3905960755275824) internal successors, (3756), 2737 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:27:12,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3756 transitions. [2021-12-07 01:27:12,219 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3756 transitions. Word has length 133 [2021-12-07 01:27:12,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:27:12,219 INFO L470 AbstractCegarLoop]: Abstraction has 2738 states and 3756 transitions. [2021-12-07 01:27:12,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:27:12,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3756 transitions. [2021-12-07 01:27:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-07 01:27:12,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:27:12,221 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:27:12,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-12-07 01:27:12,221 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:27:12,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:27:12,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1661347750, now seen corresponding path program 1 times [2021-12-07 01:27:12,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:27:12,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203433234] [2021-12-07 01:27:12,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:27:12,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:27:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:27:12,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:27:12,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203433234] [2021-12-07 01:27:12,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203433234] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:27:12,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:27:12,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:27:12,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651194953] [2021-12-07 01:27:12,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:27:12,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:27:12,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:27:12,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:27:12,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:27:12,309 INFO L87 Difference]: Start difference. First operand 2738 states and 3756 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)